磁気ギアードモータの変調波磁束に起因するトルクリップル

岡本純香, 新口昇

電気学会回転機/リニアドライブ/家電・民生合同研究会　Vol. RM-24-076,LD-24-055,HCA-24-026　p. 35-39　2024/08

12/10スイッチトリラクタンスモータのスターヘックス変換に関する考察

新口昇, 岡本純香, 鈴木寛典, 竹村望, 平田勝弘

日本AEM学会誌　Vol. 32　No. 2　p. 325-330　2024/06

磁気ギアードモータにおける振動低減

山下侑記, 平田勝弘, 新口昇

日本AEM学会誌　Vol. 32　No. 2　p. 313-318　2024/06

12/10ヘックス結線SRMと9スイッチインバータのパルス駆動に関する検討

竹村望, 平田勝弘, 新口昇

日本AEM学会誌　Vol. 32　No. 2　p. 306-312　2024/06

12/10ヘックス結線SRMのステータラジアル力に関する検討

竹村望, 新口昇

第33回MAGDAコンファレンスin東京　Vol. OS-03-12　p. 62-63　2024

磁気ギアードモータにおけるラジアル力の数学的分析

山下侑記, 平田勝弘, 新口昇

電気学会回転機/リニアドライブ/家電・民生合同研究会　Vol. RM-24-077,LD-24-056,HCA-24-027　p. 41-45　2024

Finite Element Analysis and Experimental Verifications of Low-Speed Rotor Torque of Magnetic-Geared Motor with Permanent Magnets Only in Stator

Junka Okamoto, Noboru Niguchi, Katsuhiro Hirata

Vol. 76　No. 1-2　p. 91-100　2024

Comparison of 12/10 Switched Reluctance Motors with Star and Polygon Connections

Noboru Niguchi, Katsuhiro Hirata, Hironori Suzuki, Junka Okamoto, Nozomu Takemura

International Journal of Applied Electromagnetics and Mechanics　Vol. 76　No. 1-2　p. 81-90　2024

Analysis and Experimental Verification of a Magnetic Lead Screw Actuator With Step Skew Structure

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Yuki Anraku

IEEE Transactions on Industry Applications　Vol. 59　No. 6　p. 6736-6744　2023/11　Research paper (scientific journal)

Enhanced Assemblability and Maximum Transmission Torque Controllability of Current Superimposition Magnetic-Geared Motor

Junka Okamoto, Noboru Niguchi, Katsuhiro Hirata

IEEJ Transactions on Industry Applications　Vol. 143　No. 5　p. 380-388　2023/05/01　Research paper (scientific journal)

New Rotor Structure with Draw-Out Mechanism for Variable Flux Motor

YAMAMOTO Iku, HIRATA Katsuhiro, NIGUCHI Noboru, KANESHIGE Hiroshi

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 31　No. 2　p. 66-71　2023

Development of a 12/10 Hex Connection SRM for Electric Vehicle Traction Motors

Nozomu Takemura, Katsuhiro Hirata, Noboru Niguchi, Hironori Suzuki

2022 International Conference on Electrical Machines (ICEM)　2022/09/05　Research paper (international conference proceedings)

Sensorless Position Control of Linear Electromagnetic Actuator for Gear Shift Unit

Shuto Sakamoto, Akira Heya, Katsuhiro Hirata, Noburu Niguchi, Mineo Kurita

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 30　No. 2　p. 191-196　2022/06　Research paper (scientific journal)

Triaxial Active Control Magnetic Bearing with Asymmetric Structure

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Atsushi Nakajima

IEEE Transactions on Industry Applications　Vol. 57　No. 5　p. 4675-4685　2021/09/01　Research paper (scientific journal)

Analysis Accuracy in Positioning Calculation for Three-Degree-of-Freedom Spherical Actuator

Hirotsugu Fusayasu, Yuji Masuyama, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

IEEE Transactions on Magnetics　Vol. 57　No. 6　2021/06/01　Research paper (scientific journal)

Improvement of torque performance and energy density of pm-type vernier motor utilizing saddle coil and salient pole

Sungwoo Chang, Noboru Niguchi, Je-Hoon Lee, Katsuhiro Hirata

Applied Sciences (Switzerland)　Vol. 11　No. 6　2021/03/02　Research paper (scientific journal)

Proposal of a New Coil Arrangement for a Four-Phase Switched Reluctance Motor

Noboru Niguchi, Katsuhiro None Hirata, Kazuaki Takahara, Hironori Suzuki

IEEE Transactions on Magnetics　Vol. 57　No. 2　2021/02/01　Research paper (scientific journal)

Proposal of a radially differential type magnetic-geared motor

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Hironori Suzuki, Hajime Ukaji

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering　Vol. 40　No. 2　p. 210-222　2021　Research paper (scientific journal)

Experimental verification of high winding factor model of a motor with two controllable rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

IEEJ Transactions on Industry Applications　Vol. 140　No. 11　p. 862-873　2020/11/01　Research paper (scientific journal)

2-Degree -of-Freedom Z-Theta Actuator using 5-phase Control

K. Takahara, K. Hirata, N. Niguchi

Proceedings - 2020 International Conference on Electrical Machines, ICEM 2020　p. 572-577　2020/08/23　Research paper (international conference proceedings)

Dynamic simulation method of a magnetic gear using its torque map

N. Niguchi, K. Hirata, K. Takahara, H. Suzuki, H. Daito, J. Okamoto

Proceedings - 2020 International Conference on Electrical Machines, ICEM 2020　p. 694-699　2020/08/23　Research paper (international conference proceedings)

2-controllable-rotor motor driven by a 5-phase current

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi

Proceedings - 2020 International Conference on Electrical Machines, ICEM 2020　p. 5-11　2020/08/23　Research paper (international conference proceedings)

Experimental Vertification of an Axially-Differetial Magnetic-Geared Motor

Takafumi Miyake, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara, Hironori Suzuki, Hjime Ukaji

The 32th Symposium on Electromagnetics and Dynamics　p. 347-352　2020/05

Magnetic-Geared Motor with Passively Variable Flux Characteristics

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara, Kazuaki Takahara

Proceedings of 2020 IEEE International Magnetics Conference　No. ET-11　2020/05　Research paper (international conference proceedings)

Variable Stiffness Dynamic Vibration Absorber with Magnets Rotating by Centrifugal Force

Masayuki Kato, Yasuyuki Takamura, Noboru Niguchi, Katsuhiro Hirata

Proceedings of 2020 IEEE International Magnetics Conference　No. ED-08　2020/05　Research paper (international conference proceedings)

Proposal of a New Coil Arrangement for a 4-Phase Switched Reluctance Motor

Nonoru Niguchi, Katsuhiro Hirata, Kazuaki Takahara, Hironori Suzuki

Proceedings of 2020 IEEE International Magnetics Conference　No. ED-04　2020/05　Research paper (international conference proceedings)

Analysis Accuracy of Output Torque by Magnetic Pole Structure of Spherical Actuator with Three Degrees of Freedom

Hirotsugu Fusayasu, Yuji Masuyama, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

Proceedings of 2020 IEEE International Magnetics Conference　No. CV-07　2020/05　Research paper (international conference proceedings)

2D Analysis Method for Motor with Axially-Arranged Two-Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi

Proceedings of 2020 IEEE International Magnetics Conference　No. CD-08　2020/05　Research paper (international conference proceedings)

Proposal of a 2-Degree-of-Freedom Z-Theta Actuator with High-Productivity Coils

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Hironori Suzuki

Proceedings of 2020 IEEE International Magnetics Conference　No. BD-02　2020/05　Research paper (international conference proceedings)

Transverse-Flux Type Z-θ Actuator with Double Gaps

Masahito Morita, Akira Heya, Kazuaki Takahara, Noboru Niguchi, Katsuhiro Hirata

No. 5-001　p. 1-2　2020/02

Proposal of 5-phase 3-degree-of-freedom spherical actuator with auxiliary poles

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Tomoya Amazutsumi

International Journal of Applied Electromagnetics and Mechanics　Vol. 64　No. 1　p. S179-S189　2020　Research paper (international conference proceedings)

Analysis of non-contact electromagnetic impact device connected to boosting circuit

Hiroyuki Hosokawa, Katsuhiro Hirata, Noboru Niguchi

International Journal of Applied Electromagnetics and Mechanics　Vol. 64　No. 1-4　p. 1145-1154　2020　Research paper (international conference proceedings)

LINEAR VERNIER ACTUATOR WITH TWO MOVERS

Akira Heya, Katuhiro Hirata, Noboru Niguchi

TRANSPORTATION SYSTEMS AND TECHNOLOGY　No. DOI 10.17816/transsyst20206100-00　2020/01　Research paper (scientific journal)

Variable Stiffness Dynamic Damper with Magnets Rotating by Centrifugal Force

Masayuki Kato, Yasuyuki Takamura, Noboru Niguchi, Katsuhiro Hirata

The Papers of Joint Technical Meeting on Transportation and Electric Railway and Linear Drives, IEE Japan　No. LD-20-42　p. 91-95　2020/01

Transmission Torque Investigation of a an Axially-Differential Magnetic-Geared Motor

Takafumi Miyake, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara, Hironori Suzuki, Hajime Ukaji

The Papers of Joint Technical Meeting on Transportation and Electric Railway and Linear Drives, IEE Japan　No. LD-20-30　p. 25-30　2020/01

Experimental Verification of Computed Noises of an Outer Rotor-Type Motor with measurements

Hironoti Suzuki, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Transportation and Electric Railway and Linear Drives, IEE Japan　No. LD-20-26　p. 1-5　2020/01

Proposal of a Zθ Actuator with High-Productivity Coils

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Masahito Morita

The Papers of Joint Technical Meeting on Transportation and Electric Railway and Linear Drives, IEE Japan　No. LD-20-13　p. 59-64　2020/01

Design of a Magnetic-Geared Generator for an Offshore Wind Power System

Takuya Ito, Katsuhiro Hirata, Noboru Niguchi, Hironori Suzuki, Kazuaki Takahara, Haruyuki Kometani

The Papers of Joint Technical Meeting on Transportation and Electric Railway and Linear Drives, IEE Japan　No. LD-20-7　p. 29-33　2020/01

Relationship between Torque Calculation Method and Positioning Accuracy of Multi-Degree-of-Freedom Spherical Actuators

Hirotsugu Fusayasy, Yuji Masuyama, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

The Papers of Joint Technical Meeting on Magnetics,Motor Drive and Linear Drives, IEE Japan　No. LD-19-84　p. 57-62　2019/12

Investigation of a Magnetic Interference between Rotors of a Two-Controllable-Rotor Motor Driven by a 5-Phase Inverter

Hironoti Suzuki, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Magnetics,Motor Drive and Linear Drives, IEE Japan　No. LD-19-82　p. 45-50　2019/12

Proposal of a Somple Analysis Method using 2D Model of a Two-Controllable-Rotor Motor

Hironoti Suzuki, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Magnetics,Motor Drive and Linear Drives, IEE Japan　No. LD-19-81　p. 39-44　2019/12

Vibration Comparison of a 24/20 Switched Reluctance Motor Based of its Driving Method

Noboru Niguchi, Katsuhiro Hirata, Hironori Suzuki

No. OA-3-1　p. 166-171　2019/10

A Novel Magnetic Screw Motor Utilizing a Modulated Magnetic Flux

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

No. OB-2-6　p. 132-137　2019/10

Proposal of a Two-Controllable-Rotor Motor Using a 5-Phase Inverter

Hironoti Suzuki, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

No. OA-1-4　p. 22-27　2019/10

Performance Evaluation of Vernier Motor with a Consequent Pole Rotor

Kenji Okada, Noboru Niguchi, Katsuhiro Hirata

No. OA-1-2　p. 12-17　2019/10

Intrinsic Localized Mode Using Nonlinear Magnetic Springs

Sanggook Lee, Katsuhiro Hirata, Yusuke Doi, Noboru Niguchi, Masayuki Kato

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. P2-C　2019/08　Research paper (international conference proceedings)

A Tunable Negative Stiffness Actuator for High-Static-Low-Dynamic Stiffness Isolator

Insung Choi, Katsuhiro Hirata, Noboru Niguchi

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. P3-C　2019/08　Research paper (international conference proceedings)

Design and Analysis of Torque Superimposition Magnetic-Geared Motor

Hajime Ukaj, Katsuhiro Hirata, Noboru Niguchi, Noritaka Aso

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. P2-B　2019/08　Research paper (international conference proceedings)

Design of Radially-Differential Type Magnetic Harmonic Geared Motor

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Hironori Suzuki, Tsubasa Kamigaki, Hajime Ukaji

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. P4-B　2019/08　Research paper (international conference proceedings)

Proposal of 3-Degree-of-Freedom Spherical Actuator with Auxiliary Poles

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Tomoya Amazutsumi

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. P4-C　2019/08　Research paper (international conference proceedings)

Maximum Torque Control of Magnetic-Geared Motors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguch, Akira Kohara, Kazuaki Takahara

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. P4-C　2019/08　Research paper (international conference proceedings)

High Winding Factor Model of a Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. O3-A　2019/08　Research paper (international conference proceedings)

Vibration Investigation of a 24/20 Switched Reluctance Motor Focusing on the Driving Methods

Noboru Niguchi, Katsuhiro Hirata, Hironori Suzuki

Proceedings of ISEF2019(19th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. O2-C　2019/08　Research paper (international conference proceedings)

Torque Performance Enhancement of PM-Type Vernier Motor Utilizing Saddle Coil and Salient pole

Sungwoo Chang, Katsuhiro Hirata, Noboru Niguchi

Proceeding of the 22th ICEMS2019 (International Conference on Electrical Machines and Systems), Harbin, China　Vol. 978-1-7281-3398-0/19/$31.00 c2019 IEEE　No. 157054650　2019/08　Research paper (international conference proceedings)

Development of Triaxial Active Control Magnetic Bearing with Asymmetric Structure

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Atsushi Nakajima

Proceeding of the 22th ICEMS2019 (International Conference on Electrical Machines and Systems), Harbin, China　Vol. 978-1-7281-3398-0/19/$31.00 ©2019 IEEE　No. 1570547661　2019/08　Research paper (international conference proceedings)

Design and Analysis of Surface Permanent Magnet Vernier Linear Motor Based on Air Gap Magnetic Flux Density Distribution

Hyoseok Shi, Noboru Niguchi, Katsuhiro Hirata

Proceeding of the 12th LDIA2019 Neuchatel，Switzerland　Vol. We.2　No. 978-1-5386-5804-8/19/$31.00 ©2019 IEEE　2019/07　Research paper (international conference proceedings)

Experimental Verification of a Motor with Two Controllable Rotors

Hironoti Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 27　No. 2　p. 251-257　2019/06　Research paper (scientific journal)

Development of 3 Degree-of-Freedom Spherical Actuator with Auxiliary Poles and Reduced Current Phases

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Tomoya Amazutsumi

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 27　No. 2　p. 232-238　2019/06　Research paper (scientific journal)

Proposal of a Magnetic Screw Motor Utilizing a Modulated Magnetic Flux

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

Proceeding of the 28th International Symposium on Industrial Electronics (ISIE)　No. TT12-BBF4　p. 1473-1478　2019/06　Research paper (international conference proceedings)

Experimental verification of a motor with two axially-arranged rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019　p. 1472-1478　2019/05/01　Research paper (international conference proceedings)

Analytical calculation of air gap magnetic field distribution in magnetic geared motors

Hyoseok Shi, Noboru Niguchi, Katsuhiro Hirata

Journal of Power Electronics　Vol. 19　No. 3　p. 794-802　2019/05/01　Research paper (scientific journal)

Characteristics of Radially-Differential Type Magnetic Harmonic-Geared Motor

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Hironori Susuki, Tsubasa Kamigaki, Hajime Ukaji

The 31th Symposium on Electromagnetics and Dynamics　No. 23A2-4　p. 1-6　2019/05

Study on Analysis Accuracy in Calculation of Output Torque of Multi-Degree-of-Freedom Spherical Actuators

Hirotsugu Fusayasu, Yuji Masuyama, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

The 31th Symposium on Electromagnetics and Dynamics　No. 23A1-4　p. 1-6　2019/05

Experimental Verification of a Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

Proceeding of IEMDC2019 San Diego, USA　No. SD-001961　p. 1472-1478　2019/05　Research paper (international conference proceedings)

Effect of Tooth Shape and Permanent Magnet Arrangement of Spherical Actuator on Torque

Kazufumi Ishiwatari, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

No. 5-004　p. 7-8　2019/03

Proposal of Magnetic Geared Screw Motor

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

Proceeding of IEMDC2019 San Diego, USA　No. TTSM2　p. 218-224　2019/03　Research paper (international conference proceedings)

Vector Control of a Current Superimposition Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara, Kazuaki Takahara

Vol. 27　No. 1　p. 140-145　2019/03　Research paper (scientific journal)

Torque Evaluation Method for Multi-Degree-of-Freedom Spherical Actuators Considering Cogging Torque under Current Limiting

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

Vol. 27　No. 1　p. 37-42　2019/03　Research paper (scientific journal)

Power-Saving Method of Linear Oscillatory Actuator for Mobile Haptic Device Using Mechanical Resonance

Masayuki Kato, Yoshinori Kono, Masataka Yasukawa, Katsuhiro Hirata, Noboru Niguchi

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 27　No. 1　p. 31-36　2019/03　Research paper (scientific journal)

Analytical Calculation of Air Gap Magnetic Flux Density Distribution in Magnetic Geared Motor

Hyoseok Shi, Noboru Niguchi, Katsuhiro Hirata

IEEE Region 10 Annual International Conference, Proceedings/TENCON　Vol. 2018-　p. 767-771　2019/02/22　Research paper (international conference proceedings)

Proposal of a Small Claw-Pole-Type Generator

Yuki Anraku, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

The Paper of Technical Meeting on Linear Drives,IEE Japan　No. LD-19-014　p. 1-5　2019/01

A Novel Magnetic Geared Screw Motor

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

The Paper of Technical Meeting on Linear Drives,IEE Japan　No. LD-19-010　p. 47-52　2019/01

High Winding Factor Model of a Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

The Paper of Technical Meeting on Linear Drives,IEE Japan　No. LD-19-007　p. 35-40　2019/01

Dynamic characteristics of triaxial active control magnetic bearing with asymmetric structure

Atsushi Nakajima, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato

DE GRUYTER　Vol. 16　p. 9-13　2018/12　Research paper (scientific journal)

Dynamic Modeling and Control of Three-Degree-of-Freedom Electromagnetic Actuator for Image Stabilization

Akira Heya, Katsuhiro Hirata, Noboru Niguchi

IEEE Transactions on Magnetics　Vol. 54　No. 11　p. 8207905-5　2018/11　Research paper (scientific journal)

Variable Characteristic Dynamic Damper Using Consequent-Pole Type Magnetic Coupling

Masayuki Kato, Katsuhiro Hirata, Noboru Niguchi, Hayato Endo, Yoshihiro Takikawa, Masanori Onoda, Kazuo Isogai, Shohei Tokoro

No. OS8-3　p. 168-171　2018/10

Development of 3-Degree-of-Freedom Spherical Actuator with Auxiliary Poles and Reduced Current Phases

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Tomoya Amazutumi

No. OS8-2　p. 162-167　2018/10

Study of Controll Method and Operating Area in Current Superimposition Variable Flux Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi

No. OS3-5　p. 66-67　2018/10

Experimental Verification of a Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

No. OS3-4　p. 61-65　2018/10

Hybrid Drive of a Variable Flux Reluctance Motor and Switched Reluctance Motor

N. Niguchi, K. Hirata, A. Kohara, K. Takahara, H. Suzuki

Proceedings of the International Conference on Electorical Machines　No. AF-003875　p. 238-242　2018/09　Research paper (international conference proceedings)

Vibration Comparison of Current Superimposition Variable Flux Machine and Switched Reluctance Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi

Proceedings of the International Conference on Electorical Machines　No. AF-004677　p. 2337-2342　2018/09　Research paper (international conference proceedings)

Linear Vernier Actuator with Two Movers

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi

Proceedings of The MAGLEV 2018 Conference　p. 66-66　2018/09　Research paper (international conference proceedings)

VECTOR CONTROL OF CURRENT SUPERIMPOSITION VARIABLE FLUX RELUCTANCE MOTOR

N. Niguchi, K. Hirata, A. Kohara, K. Takahara

Proceedings of APSAEM2018 (9th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)，Yogyakarta，Indonesia　p. 72-73　2018/07　Research paper (international conference proceedings)

TORQUE EVALUATION METHOD FOR MULTI-DEGREE-OF-FREEDOM SPHERICAL ACTUATORS CONSIDERING COGGING TORQUE UNDER CURRENT LIMITING

K. Takahara, K. Hirata, N. Niguch

Proceedings of APSAEM2018 (9th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)，Yogyakarta，Indonesia　p. 64-65　2018/07　Research paper (international conference proceedings)

STUDY ON ENERGY HARVESTER USING DYNAMIC VIBRATION ABSORBER FOR AUTOMOTIVE APPLICATIONS

Yasuyuki Takamura, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato, Yuki Tojima, Takeshi Tojo, Hiroki Koguchi, Keisuke Ushida

Proceedings of APSAEM2018 (9th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)，Yogyakarta，Indonesia　p. 62-63　2018/07　Research paper (international conference proceedings)

POWER-SAVING METHOD OF LINEAR OSCILLATORY ACTUATOR FOR MOBILE HAPTIC DEVICE USING MECHANICAL RESONANCE

M. Kato, Y. Kondo, M. Yaukawa, K. Hirata, N. Niguchi

Proceedings of APSAEM2018 (9th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)，Yogyakarta，Indonesia　p. 58-59　2018/07　Research paper (international conference proceedings)

Magnetic-Geared Motor with Passively Variable Flux Characteristics

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara, Kazuaki Takahara

The Papers of Joint Technical Meeting on Motor Drive, Rotating Machinery and Vehicle Technology, IEE Japan　No. RM-18-61　p. 11-16　2018/07

Vibration of Current Superimposition Variable Flux Machines and Switched Reluctance Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Hironori Suzuki

The Papers of Joint Technical Meeting on Motor Drive, Rotating Machinery and Vehicle Technology, IEE Japan　No. RM-18-53　p. 13-17　2018/07

Sensorless Position Estimation Method of 2-Degree-of-Freedom Spherical Actuator

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-18-27　p. 13-18　2018/07

N-TCharacteristics of a Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-18-26　p. 7-11　2018/07

Proposal and Control of a 2-DOF Spherical Actuator with Reduced Current Phase

Takashi Tahara, Katsuhiro Hirata, Noboru Niguchi

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 2　p. 381-386　2018/06　Research paper (scientific journal)

Performance of Interior Permanent Magnet Spherical Synchronous Actuator

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 2　p. 298-304　2018/06　Research paper (scientific journal)

Dynamic Modeling of Three-Degree-of-Freedom Actuator for Image Stabilization

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Takamichi Yoshimoto, Tomohiro Ota

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 2　p. 280-285　2018/06　Research paper (scientific journal)

Current Control Method of a Current Superimposition Variable Fliux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara, Kazuaki Takahara

The 30th Symposium on Electromagnetics and Dynamics　No. 3-4-01　p. 574-579　2018/05

Development of 2-Degree-of-Freedom Differentially-Coupled Acutuator

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani

The 30th Symposium on Electromagnetics and Dynamics　No. 2-5-02　p. 486-491　2018/05

Torque Evaluation for an Interior Permanent Magnet Spherical Actuator Using Torque Area Method

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi

The 30th Symposium on Electromagnetics and Dynamics　No. 2-5-01　p. 480-485　2018/05

Power Saving Method of Linear Oscillatory Acutuator for Mobile Haptic Device Using Resonating Drive

Yoshinori Kono, Masayuki Kato, Masataka Yasukawa, Noboru Niguchi, Katsuhiro Hirata

The 30th Symposium on Electromagnetics and Dynamics　No. 2-1-04　p. 506-509　2018/05

Characteristics Verification of a Novel Motor with Two Controllable Rotors

H. Suzuki, K. Hirata, N. Niguchi, A. Kohara

Proceedings of IEEE International Magnetics Conference　No. EG-10　p. 898-898　2018/04　Research paper (international conference proceedings)

Dynamic Modeling and Control of Three-Degree-of-Freedom Electromagnetic Actuator for Image Stabilization

A. Heya, K. Hirata, N. Niguchi

Proceedings of IEEE International Magnetics Conference　No. CG-07　p. 595-596　2018/04　Research paper (international conference proceedings)

Torque Characteristics of Interior Permanent Magnet Spherical Actuators

K. Takahara, K. Hirata, N. Niguchi

Proceedings of IEEE International Magnetics Conference　No. BG-04　p. 340-341　2018/04　Research paper (international conference proceedings)

Proposal and Control of a 2-DOF Spherical Actuator with Reduced Current Phase

Takashi Tahara, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani, Yusuke Nishiura, Tomoya Amazutumi, Kazuaki Takahara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 1　p. 41-46　2018/03　Research paper (scientific journal)

Torque Characteristics Estimation Method of Multi-Degree-of-Freedom Spherical Actuators Using Flux Linkages Variations

Kazukaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 1　p. 34-40　2018/03　Research paper (scientific journal)

Influence on the Torque Characteristics of a Non-Contact Electromagnetic Impact Device under High-Rotation Speed and its Performance Improvement

Hiroyuki Hosokawa, Noboru Niguchi, Kstsuhiro Hirata

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 1　p. 22-27　2018/03　Research paper (scientific journal)

Study on a Maximum Torque Control Magnetic-Geared Motors

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 1　p. 15-21　2018/03　Research paper (scientific journal)

Current Superimposition Variable Flux Reluctance Motor Using the 5th-Order Mgnetic Flux

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 1　p. 8-14　2018/03　Research paper (scientific journal)

Investigation of Magnetic Interference between Rotors in Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 26　No. 1　p. 2-7　2018/03　Research paper (scientific journal)

Study on Giant Magnetostrictive Actuator for a Valve Opening / Closing Control

Daisuke Ieuji, Katsuhiro Hirata, Noboru Niguchi, Masahiko Sakai

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-24　p. 55-58　2018/02

Study on Energy Harvester using Dynamic Vibration Absorber for Automotive Application

Yasuyuki Takamura, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato, Yuki Tojima, Takeshi Tojo, Hiroki Koguchi, Keisuke Ushida

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-17　p. 13-18　2018/02

Performance of Interior Permanent Magnet 2-Degree-of-Freedom Spherical Actuator

Takashi Hihara, Katsuhiro Hirata, Nobiru Niguchi, Kazuaki Takahara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-15　p. 1-6　2018/02

Study on Reduction of Engine Torque Vibration Using Magnetic Coupling

Hayato Endo, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-11　p. 49-52　2018/02

Investigation of IPM Type Structures in a Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-4　p. 13-17　2018/02

Irreversible Demagnetization of a Multipole Motor with a Consequent Pole Strucuture

Noboru Niguchi, Katsuhiro Hirata, Kazuaki Takahara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-1　p. 1-5　2018/02

Torque Control Method of Spherical Actuators Applying a Nonlinear Programming Problem

Kazukaki Takahara, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-18-5　p. 19-24　2018/02

AC/DC current ratio in a current superimposition variable flux reluctance machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

Open Physics　Vol. 16　No. 1　p. 215-218　2018　Research paper (scientific journal)

Dynamic characteristics of triaxial active control magnetic bearing with asymmetric structure

Atsushi Nakajima, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato

Open Physics　Vol. 16　No. 1　p. 9-13　2018　Research paper (scientific journal)

Analytical Calculation of Air Gap Magnetic Field Distribution in Vernier Motor

Hyoseok Shi, Noboru Niguchi, Katsuhiro Hirata

Proceedings of IEEE PEDS 2017　p. 247-251　2017/12　Research paper (international conference proceedings)

Characteristic Analysis of Surface Permanent-Magnet Vernier Motor According to Pole Ratio and Winding Pole Number

Shi Hyoseok, Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Magnetics　Vol. 53　No. 11　2017/11/01　Research paper (scientific journal)

Evaluation Method for Multidegree-of-Freedom Spherical Actuators under Power Control

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani

IEEE Transactions on Magnetics　Vol. 53　No. 11　2017/11/01　Research paper (scientific journal)

Experimental Evaluation of the Static Characteristics of Multi-Degree-of-Freedom Spherical Actuators

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani

IEEE Transactions on Magnetics　Vol. 53　No. 11　2017/11/01　Research paper (scientific journal)

Dynamic Analysis of High-Speed Three-Degree-of-Freedom Electromagnetic Actuator for Image Stabilization

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Takamichi Yoshimoto, Tomohiro Ota

IEEE Transactions on Magnetics　Vol. 53　No. 11　2017/11/01　Research paper (scientific journal)

Performance of Interior Permanent Magnet Spherical Synchronous Actuator

Kazuaki Tkahara, Katsuhiro Hirata, Noboru Niguchi

No. A4-03　p. 131-136　2017/10

Proposal and Control of a 2-DOF Spherical Actuator with Reduced Current Phase

Takashi Tahara, Katsuhiro Hirata, Noboru Niguchi

No. A4-01　p. 119-124　2017/10

Dynamic Modeling of Three-Degree-of-Freedom Actuator for Image Stabilization

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Takamichi Yoshimoto, Tomohiro Ota

No. A3-03　p. 77-82　2017/10

Hybrid Drive of a Current Superimposition Variable Flux Reluctance Motor and Switched Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara, Kazuaki Takahara

No. A3-02　p. 71-76　2017/10

AC/DC Current Ratio in a Current Superimposition Variable Flux Reluctance Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Takahara

Proceedings of ISEF2017(18th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. 0084-0411　2017/09　Research paper (international conference proceedings)

Dynamic Characteristics of Triaxial Active Control Magnetic Bearing with Asymmetric Structure

Atsushi Nakajima, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato

Proceedings of ISEF2017(18th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. 0054-0405　2017/09　Research paper (international conference proceedings)

Magnetic Interference in Novel Motor with Two Controllable Rotors

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

Proceedings of ISEF2017(18th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. 0048-0412　2017/09　Research paper (international conference proceedings)

Current Superimposition Variable Flux Reluctance Motor with 8 Salient Poles

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

Proceedings of ISEF2017(18th International Symposium on Electromagnetic Fields in Mechatronics，Electrical and Electronic Engineering)　No. 0022-0350　2017/09　Research paper (international conference proceedings)

Study of Linear Vernier Motor for Household Automatic Doors

Daichi Kameda, Katsuhiro Hirata, Noboru Niguchi

Proceedings of the 11thLDIA2017 (International Symposium on Linear Drives for Industry Applications)　No. TD-3　2017/09　Research paper (international conference proceedings)

Design and Analysis of a Linear Oscillatory Actuator for Active Control Engine Mounts

Insung Choi, Katsuhiro Hirata, Noboru Niguchi

Proceedings of the 11th LDIA2017 (International Symposium on Linear Drives for Industry Applications)　No. LA-1　2017/09　Research paper (international conference proceedings)

Performance Difference of a Current Superimposition Variable Flux Motor due to the Number of Sailent Poles

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-17-71　p. 45-49　2017/08

New Magnetic Structure with Auxiliary Poles of 3-DOF Outer Rotor Spherical Actuator

Tomoya Amazutumi, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-17-70　p. 39-44　2017/08

Novel Structure of Oscillatory Actuator for Haptic Device

Masataka Yaukawa, Katsuhiro Hirata, Masayuki Kato, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-17-69　p. 35-38　2017/08

Proposal of a Torque Superimposition Magnetic Geared Motor

Hajime Ukaji, Katsuhiro Hirata, Noboru Niguchi, Yuichi Yoshikawa

The Papers of Joint Technical Meeting on Motor Drive, Rotating Machinery and Vehicle Technology,IEE Japan　No. MD-17-65　p. 7-10　2017/07

Evaluation Method for Multi-Degree-Freedom Spherical Electromagnetics Synchronous Actuators under Allowable Current

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 25　No. 2　p. 131-136　2017/06　Research paper (scientific journal)

Proposal of a Magnetic Lead Screw Actuator without Herical Permanent Magnets

Gendai Matsuoka, Masahiko Sakai, Yoshihiro Nakata, Noboru Niguchi, Hiroshi Ishiguro, Katsuhiro Hirata

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 25　No. 2　p. 224-229　2017/06　Research paper (scientific journal)

DC Current Control Method of a Current Superimposition Variable Flux Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Kazuaki Kohara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 25　No. 2　p. 125-130　2017/06　Research paper (scientific journal)

Current Harmonics of a Current Superimposition Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 25　No. 2　p. 70-75　2017/06　Research paper (scientific journal)

Characteristics Analysis of a Novel Motor with Two Controllable Rotors Employing 3-D FEM

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

No. PD-A5-3　2017/06　Research paper (international conference proceedings)

DC Current Control Method of a Current Superimposition Variable Flux Reluctance Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi

No. PD-M3-3　2017/06　Research paper (international conference proceedings)

Three-Axis Active Control Magnetic Bearing with Asymmetric Structure for High-Temperature Machines

Atsushi Nakajima, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato

No. PB-A5-5　2017/06　Research paper (international conference proceedings)

Characteristics Analysis of High-Speed Three-Degree-of-Freedom Electromagnetic Actuator for Image Stabilizations

Akira Heya, Katsuhiro Hirata, Noboru Niguchi, Takamichi Yoshimoto

No. PB-M2-7　2017/06　Research paper (international conference proceedings)

Characteristics Investigation of a Variable Flux Magnetic-Geared Motor Using Mathematical and Numerical Methods

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara, Kazuaki Takahara

No. PA-A4-5　2017/06　Research paper (international conference proceedings)

Power Generation Performance Analysis of a Hub Dynamo Considering a Magnetic Hysteresis

Noboru Niguchi, Katsuhiro Hirata, Shugo Nobuhara, Kazuya Morita

IEEE Transactions on Magnetics　Vol. 53　No. 6　2017/06/01　Research paper (scientific journal)

Proposal and Control of a 2-DOF Spherical Actuator with Reduced Current Phase

Takashi Tahara, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani, Yusuke Nishiura, Tomoya Amazutumi, Kazuaki Takahara

The 29th Symposium on Electromagnetics and Dynamics　No. 2-5-05　p. 481-486　2017/05

Experiment Evaluation of the Static Torque of Multi-Degree-of-Freedom Spherical Acruator

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani

The 29th Symposium on Electromagnetics and Dynamics　No. 2-5-04　p. 475-480　2017/05

Influence on the Torque Characteristics of a Non-Contact Electromagnetic Impact Device under High Rotation Speed and its Performance Improvement

Hiroyuki Hosokawa, Noboru Niguchi, Katsuhiro Hirata

The 29th Symposium on Electromagnetics and Dynamics　No. 2-1-01　p. 395-400　2017/05

Study on a Maximum Torque Control of Magnetic-Geared Motors

Eiki Morimoto, Noboru Niguch, Katsuhiro Hirata

The 29th Symposium on Electromagnetics and Dynamics　No. 3-4-06　p. 365-370　2017/05

Current Superimposition Variable Flux Reluctance Motor Using the 5th-Order Magnetic Flux

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

The 29th Symposium on Electromagnetics and Dynamics　No. 3-4-05　p. 359-364　2017/05

Investigation of Magnetic Interference between Rotors in Motor with Two Controllable Rotors

Hirinori Suzuki, Katuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara

The 29th Symposium on Electromagnetics and Dynamics　No. 3-4-03　p. 347-352　2017/05

Dynamic Analysis of High-Speed Three-Degree-of-Freedom Electromagnetic Actuator for Image Stabilization

A. Heya, K. Hirata, N. Nigushi, T. Yoshimoto, T. Ota

No. GH-04　2017/04　Research paper (international conference proceedings)

Experimental Evaluation of the Static Characteristics of Multi-Degree-of-Freedom Spherical Actuators

K. Takahara, K. Hirata, N. Niguchi, Y. Nishiura, Y. Sakaidani

No. EH-10　2017/04　Research paper (international conference proceedings)

Experimental Verification of a Magnetic-CVT Motor

E. Morimoto, N. Niguchi, K. Hirata

No. CU-12　2017/04　Research paper (international conference proceedings)

Current Harmonics of a Current Superimposition VariableFlux Reluctance Motor

K. Takahara, K. Hirata, N. Niguchi, A.Kohara

No. CH-05　2017/04　Research paper (international conference proceedings)

Evaluation Method for Multi-Degree-of-Freedom Spherical Actuators under Power Control

K. Takahara, K. Hirata, N. Niguchi, Y. Nishiura, Y. Sakaidani

No. CH-04　2017/04　Research paper (international conference proceedings)

ロボットのNon-Duchenne Smileによる人との社会的結合の強化

松岡源大, 酒井昌彦, 仲田佳弘, 新口昇, 石黒浩, 平田勝弘

p. 35-44　2017/03

Performance of a current superimposition variable flux reluctance motor

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

IEEJ Transactions on Industry Applications　Vol. 137　No. 8　p. 622-630　2017　Research paper (scientific journal)

Experimental Verification of a 2-Dof Differentially Coupled Actuator

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-21　p. 113-118　2017/01

Dynamic Characteristics Analysis of a Variable Flux Motor with Two Controllable Outputs

Yuta Kizumi, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-18　p. 97-100　2017/01

Proposal of a New Motor with Two Controllable Output Shafts

Hironori Suzuki, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohoara, Yuta Koizumi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-17　p. 91-96　2017/01

Three-Axis Active Control Magnetic Bearing with Asymmetric Structure for Application to High-Temperature Machines

Atsushi Nakajima, Katsuhiro Hirata, Noboru Niguchi, Masayuki Kato, Eiki Morimoto

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-16　p. 85-90　2017/01

Voltage Allocation of a Magnetic-CVT Motor

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-12　p. 61-66　2017/01

Proposal of a Three-Dimensional Sensing System Using a Color Sensor

Shun Hayakawa, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-9　p. 47-50　2017/01

Design of a Current Superimposition Variable Flux Reluctance Motor Considering a Winding Factor

Kyousuke Terada, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-8　p. 41-46　2017/01

Evaluation of Magnetic-Geard Motors Using a Leakage Flux Coefficient

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto, Kazuaki Takahara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-6　p. 29-33　2017/01

Study on the Gear Ratio of a Small Type Magnetic-Geared Motor

Kazuaki Tkahara, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-3　p. 11-16　2017/01

Feasibility Study of a Magnetic-Geared Motor for Powered Exoskeletons Considering Axial Leakage Fluxes

Tsubasa Kamigaki, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-2　p. 5-10　2017/01

Study of a Stator Magnet Type Linear Vernier Motor

Daichi Kameda, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-17-1　p. 1-4　2017/01

Study on Auxiliary Yokes of a 2-DoF Differentially Coupled Actuator

YO SAKAIDANI, Katsuhiro HIRATA, Noboru NIGUCHI

No. OS-13-4　p. 454-459　2016/11

Proposal of a Magnetic Lead Screw Acutuator without Helical Permanent Magnets

Gendai MATSUOKA, Masahiko SAKAI, Yoshihiro NAKATA, Noboru NIGUCHI, Hiroshi ISHIGURO, Katsuhiro HIRATA

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 25　No. OS-13-2　p. 445-450　2016/11

Evaluation Method for Multi-Degree-of-Freedom Spherical Electromagnetic Synchronous Actuators under Allowable Current

Kazuaki TAKAHARA, Katsuhiro HIRATA, Noboru NIGUCHI, Yusuke NISHIURA, Yo SAKAIDANI

No. OS-10-2　p. 370-375　2016/11

DC current control method of a Current Superimposition Variable Flux Machine

Akira KOHARA, Katsuhiro HIRATA, Noboru NIGUCHI, Kazuaki TAKAHARA

No. OS-10-1　p. 365-369　2016/11

Current Harmonics of a Current Superimposition Variable Flux Reluctance Motor

Noboru NIGUCHI, Katsuhiro HIRATA, Akira KOHARA

No. OS-07-3　p. 329-334　2016/11

Power Generation Performance Analysis of a Hub Dynamo Considering a Magnetic Hysteresis

Noboru Niguchi, Katsuhiro Hirata, Shugo Nobuhara, Kazuya Morita

Proceedings of CEFC2016(17th Biennial IEEE Conference on Electromagnetic Field Computation)　No. WP061-10　2016/11　Research paper (international conference proceedings)

Performance Evaluation of a Current Superimposition Variable Flux Machine Using Permanent Magnets

Akira KOHARA, Katsuhiro HIRATA, Noboru NIGUCHI, Yuki OHNO

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 24　No. 3　p. 161-166　2016/09　Research paper (scientific journal)

Study on a Current Superimposition Variable Flux Reluctance Machine with Distributed Winding

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Yuki Ohno

Proceedings of the International Conference on Electorical Machines (ICEM2016)，Lausanne, Switzerland　Vol. SSI　No. LF-010103　p. 2500-2505　2016/09　Research paper (international conference proceedings)

Control Method for a Magnetic-CVT Motor

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

Proceedings of the International Conference on Electorical Machines (ICEM2016)，Lausanne, Switzerland　No. LF-007641　p. 998-1002　2016/09　Research paper (international conference proceedings)

Comparison of a 2-DoF Differentially Coupled Actuator with and without Auxiliary Yokes

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

Proceedings of the International Conference on Electorical Machines (ICEM2016)，Lausanne, Switzerland　No. LF-011061　p. 685-689　2016/09　Research paper (international conference proceedings)

Characteristics of a Wide Power Band Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

Proceedings of the International Conference on Electorical Machines (ICEM2016),Lausanne, Switzerland　No. LF-000361　p. 182-187　2016/09　Research paper (international conference proceedings)

Finite-element analysis and experiment of current superimposition variable flux machine using permanent magnet

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Yuki Ohno

IEEE Transactions on Magnetics　Vol. 52　No. 9　p. 8107807-8107807　2016/09/01　Research paper (scientific journal)

The development of magnetic geared motor

Tsubasa Kamigaki, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-16-091　p. 13-17　2016/08

Experimental Verification of a Magnetic-CVT Motor

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-16-090　p. 7-12　2016/08

Influence of Yokes on the Characteristics of a 2-Degree-of-Freedom Differentially Coupled Actuator

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-16-089　p. 1-5　2016/08

Modeling of Armature Reactions of a Claw-Pole Generator

Kazuya Morita, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-088　p. 117-120　2016/08

Study on Winding Factor of Current Superimposition Variable Flux Reluctance Motor

Kyosuke Terada, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-087　p. 111-116　2016/08

Comparison of Current Superimposition Variable Flux Reluctance Machines with Concentrated and Distributed Winding

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-086　p. 105-110　2016/08

Field Weakening Control of a Current Superimposition Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara, Eiki Morimoto

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-085　p. 99-104　2016/08

Three-Axis Active Control Magnetic Bearing with Five-Axis Active Control Magnetic Levitation System for High-Temperature Machines

Atsushi Nakajima, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Masayuki Kato

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-084　p. 93-98　2016/08

The study of an oscillatory actuator for haptic device

Masataka Yasukawa, Kastuhiro Hirata, Junya Nitta, Masayuki Kato, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-078　p. 67-70　2016/08

System Identification of Multi -DOF Electromagnetic Spherical Actuators

Yusuke Nishiura, Katsuhiro Hirata, Yo Sakaidani, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-077　p. 61-66　2016/08

Development of a 3-Degree-of-Freedom Outer Rotor Spherical Actuator with Reduced Current Phases

Tomoya Amazutsumi, Katsuhiro Hirata, Yusuke Nishiura, Yo Sakaidani, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-076　p. 55-60　2016/08

Optimization of Electromagnetic Pole Arrangement of 3-Degree-of-Freedom Spherical Electromagnetic Acutuator Using Torque-Output-Area Method

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-074　p. 43-48　2016/08

Proposal of a Three-Dimensional Sensing System Using Color Data

Shun Hayakawa, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-070　p. 27-30　2016/08

A Proposal of an Algorithm for LMS Adaptive Control with the Phase Compensation

Eunji Hong, Katsuhiro Hirata, Sanggook Lee, Masayuki Kato, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-068　p. 17-20　2016/08

Control of a Reluctance Linear Oscillating Actuator

Junya Nitta, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2016　No. LD-16-065　p. 1-5　2016/08

A Novel Asymmetrical Half-type IPM BLDC Motor Structure for Reducing Torque Ripple

Yosub Sim, Noboru Niguchi, Katsuhiro Hirata

The transactions of the Korean Institute of Power Electronics　Vol. 21　No. 2　p. 134-143　2016/04　Research paper (scientific journal)

Characteristics Analysis of a 2-D Differentially Coupled Magnetic Actuator

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

IEEE Transactions on Magnetics　Vol. 52　No. 3　2016/03/01　Research paper (international conference proceedings)

A New Linear Oscillatory Actuator with Variable Characteristics Using Two Sets of Coils

Fumiya Kitayama, Katsuhiro Hirata, Noboru Niguchi, Masashi Kobayashi

sensors　Vol. 16　No. 377　p. 1-8　2016/03　Research paper (scientific journal)

Flux-focusing eddy current sensor with magnetic saturation for detection of water pipe defects

Satoru Horai, Katsuhiro Hirata, Noboru Niguchi

International Journal of Applied Electromagnetics and Mechanics　Vol. 52　No. 3-4　p. 1231-1236　2016　Research paper (scientific journal)

Position control of 3-DOF spherical actuator with cogging torque compensation

Yusuke Nishiura, Katsuhiro Hirata, Yo Sakaidani, Noboru Niguchi

International Journal of Applied Electromagnetics and Mechanics　Vol. 52　No. 1-2　p. 579-589　2016　Research paper (international conference proceedings)

Proposal of new-shaped pole pieces for a magnetic-geared generator

Shugo Nobuhara, Katsuhiro Hirata, Noboru Niguchi, Hajime Ukaji

International Journal of Applied Electromagnetics and Mechanics　Vol. 52　No. 1-2　p. 763-769　2016　Research paper (international conference proceedings)

Permanent magnet synchronous motor with switchable N-T curves

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto, Yuki Ohno

International Journal of Applied Electromagnetics and Mechanics　Vol. 52　No. 1-2　p. 755-762　2016　Research paper (international conference proceedings)

Evaluation method for multi-degree-of-freedom spherical electromagnetic synchronous actuators under constant power

Kazuaki Takahara, Katsuhiro Hirata, Noboru Niguchi, Yusuke Nishiura, Yo Sakaidani, Masafumi Fujiwara

IEEJ Transactions on Industry Applications　Vol. 136　No. 11　p. 907-912　2016　Research paper (scientific journal)

Experimental verification of linear oscillatory actuator using DC motor

Masashi Kobayashi, Katsuhiro Hirata, Noboru Niguchi, Fumiya Kitayama, Sanggook Lee

IEEJ Transactions on Industry Applications　Vol. 136　No. 4　p. 285-290　2016　Research paper (scientific journal)

3-DOF outer rotor electromagnetic spherical actuator

Yusuke Nishiura, Katsuhiro Hirata, Yo Sakaidani, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 136　No. 3　p. 232-237　2016　Research paper (scientific journal)

Power-Band Characteristics of a 7-Pole-12-Slot Current Superimposition Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-29　p. 157-162　2016/01

Active Vibration Contorol with Linear Oscillatory Actuator Using DC Motor

Masashi Kobayashi, Katsuhiro Hirata, Noboru Niguchi, Fumiya Kitayama, Sanggook Lee

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-28　p. 151-156　2016/01

Optimization of a Magnetic-Geared Generator for a Hub Dynamo

Shugo Nobuhara, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-15　p. 81-85　2016/01

Development of a Claw-Pole Type Magnetic Geared Generator for Hub Dynamos

Kazuya Morita, Katsuhiro Hirata, Noboru Niguchi, Hajime Ukaji

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-14　p. 77-80　2016/01

Study on a Distributed Winding Current Superimposition Variable Flux Reluctance Motor

Kyosuke Terada, Katsuhiro Hirata, Noboru Niguchi, Akira Kohara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-13　p. 71-75　2016/01

Evaluation Method of Multi-DOF Spherical Electromagnetic Actuators

Yusuke Nishiura, Katsuhiro Hirata, Yo Sakaidani, Masafumi Fijiwara, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-10　p. 51-57　2016/01

Reduction of the Number of Coil Phases for a 3-DOF Outer Rotor Electromagnetics Spherical Actuator

Tomoya Amazutsumi, Katsuhiro Hirata, Yusuke Nishiura, Yo Sakaidani, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-9　p. 45-50　2016/01

Development of LED Light Angle Measuring Device Driven by 2-DOF Stepping Motor

Atsuki Shima, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-3　p. 9-13　2016/01

Proposal of a Variable Flux Motor with Two Controllable Output Shafts

Yuta Koizumi, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto, Akira Kohara

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-2　p. 5-8　2016/01

Characteristics Analysis of a 2-D Magnetic Differentially Coupled Actuator with Auxiliary Yokes

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　No. LD-16-1　p. 1-4　2016/01

Variable flux permanent magnet motor utilizing centrifugal force

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

International Journal of Applied Electromagnetics and Mechanics　Vol. 52　No. 1-2　p. 563-569　2016　Research paper (international conference proceedings)

Comparison Analysis of Two types of Electrical Circuits for Sensorless Brushless DC Motor Control

SIM Yosub, NIGUCHI Noboru, HIRATA Katsuhiro, KIM Cheongworl

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 23　No. 4　p. 733-741　2015/12　Research paper (scientific journal)

Performance Evaluation of a Current Superimposition Variable Flux Machine Using Permanent Magnets

Akira KOHARA, Katsuhiro HIRATA, Noboru NIGUCHI, Yuki OHNO

No. 1-3-7　p. 445-450　2015/11

Influence of a Magnetic Hysteresis on Power Generation Performance of a Hub Dynamo

Noboru NIGUCHI, Katsuhiro HIRATA, Shugo NOBUHARA, Kazuya MORITA

No. 1-3-2　p. 415-420　2015/11

Current superimposition variable flux reluctance motor

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Yuki Ohno

IEEJ Transactions on Industry Applications　Vol. 135　No. 11　p. 1077-1084　2015/11/01　Research paper (scientific journal)

Experimental Evaluation of New Magnetic Movement Converter for Linear Oscillatory Actuator

Fumiya KITAYAMA, Katsuhiro HIRATA, Noboru NIGUCHI, Tatsuro YAMADA

日本AEM学会誌　Vol. 23　No. 3　p. 527-532　2015/09　Research paper (scientific journal)

Analysis Method for Ni-Mn-Ga Magnetic Shape Memory Alloy Linear Actuator Using Play Hysteresis Operator

Kensuke MATSUNAGA, Noboru NIGUCHI, Katsuhiro HIRATA

日本AEM学会誌　Vol. 23　No. 3　p. 480-485　2015/09　Research paper (scientific journal)

PROPOSAL OF MAGNETIC-GEARED MOTOR WITH CONTINUOUSLY VARIABLE TRANSMISSION GEAR RATIO

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

Proceedings of ISEF2015(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　No. JP105　2015/09　Research paper (international conference proceedings)

LINEAR OSCILLATORY ACTUATOR WITH VARIABLE CHARACTERISTICS USING TWO SETS OF COILS

F. Kitayama, K. Hirata, N. Niguchi, M. Kobayashi

Proceedings of ISEF2015(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　No. JP059　2015/09　Research paper (international conference proceedings)

VARIABLE FLUX RELUCTANCE MOTOR USING A SINGLE SET OF COILS

Noboru Niguchi, Katsuhiro Hirata, Yuki Ohno, Akira Kohara

Proceedings of ISEF2015(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　No. JP009　2015/09　Research paper (international conference proceedings)

Flux-Focusing Eddy Current Sensor wuth Magnetic Saturation for Detection of Water Pipe Defects

Satoru HORAI, Katsuhiro HIRATA, Noboru NIGUCH

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. PS2-46　2015/09　Research paper (international conference proceedings)

Improvement of Impact Torque Generated by Non-contact Electromagnetic Impact Mechanism

Hiroyuki HOSOKAWA, Katsuhiro HIRATA, Noboru NIGUCHI

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. PS1-65　2015/09　Research paper (international conference proceedings)

Torque Control of 3-Degree-of-Freedom Spherical Actuator with Cogging Torque Compensation

Yusuke NISHIURA, Katsuhiro HIRATA, Yo SAKAIDANI, Noboru NIGUCHI

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. 1P2-B-2　2015/09　Research paper (international conference proceedings)

Variable Flux Permanent Magnet Motor Utilizing Centrifugal Force

Eiki MORIMOTO, Noboru NIGUCHI, Katsuhiro HIRATA

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. 1P1-B-2,　2015/09　Research paper (international conference proceedings)

Proposal of New-Shaped Pole Pieces for a Magnetic-Geared Generator

Shugo NOBUHARA, Katsuhiro HIRATA, Noboru NIGUCHI, Hajime UKAJI

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. 1A1-F-3　2015/09　Research paper (international conference proceedings)

Study of Ni-Mn-Ga Magnetic Shape Memory Alloy Linear Actuator Using Hybrid Magnetic Structure

Kensuke MATSUNAGA, Noboru NIGUCHI, Katsuhiro HIRATA

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. 1A1-F-2　2015/09　Research paper (international conference proceedings)

Permanent Magnet Synchronous Motor with Switchable N-T Curves

Noboru NIGUCHI, Katsuhiro HIRATA, Eiki MORIMOTO, Yuki Ohno

Proceedings of ISEM2015 (17th International Symposium on Applied Electromagnetics and Mechanics)　No. 1A1-F-1　2015/09　Research paper (international conference proceedings)

Position Control of 3-DOF Outer Rotor Electromagnetic Spherical Actuator

Yusuke Nishiura, Katsuhiro Hirata, Yo Sakaidani, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery and Linear Drives, IEE Japan　Vol. 2015　No. LD-15-64　p. 55-60　2015/09

3-DOF Outer Rotor Electromagnetic Spherical Actuator

Yusuke Nishiura, Katsuhiro Hirata, Keisuke Ohya, Yo Sakaidani, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2015　No. LD-15-053　p. 83-88　2015/08

Characteristics Analysis of a Differentially Coupled Roll-Tilt Actuator

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-051　p. 75-78　2015/08

N-T Characteristics of Magnetic-CVT Motor

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-043　p. 25-28　2015/08

Performance Evaluation of a Three Layered Permanent Magnet Magnetic-Geared Motor

Kenta Himuro, Katsuhiro Hirata, Noboru Niguchi, Yoshihiro Nakata

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-042　p. 19-24　2015/08

Investigation of the N-T Characteristics of a Magnetic-Geared Motor

Shugo Nobuhara, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-041　p. 13-18　2015/08

Development of Flux-Focusing Eddy Current Sensor with Magnetic Saturation

Satoru Horai, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-038　p. 89-92　2015/08

Characteristics Evaluation of a Permanent Magnet Assisted Current Superimposition Variable Flux Machine

Akira Kohara, Katsuhiro Hirata, Noboru Niguchi, Yuki Ohno

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-029　p. 39-42　2015/08

Investigation of the Power Band of a Current Superimposition Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Akira Kohara, Yuki Ohno

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-028　p. 33-38　2015/08

Study of a Linear Reluctance Oscillating Actuator

Junya Nitta, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-15-027　p. 27-32　2015/08

Linear Oscillatory Actuator with Variable Characteristics Using Two Coils

Fumiya Kitayama, Katsuhiro Hirata, Noboru Niguchi, Masashi Kobayashi, Sanggook Lee

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2015　No. LD-15-022　p. 1-4　2015/08

Optimization of the Stator Pole Arrangement of 3-Degree of Freedom Spherical Actuator Using Genetic Algorithm

Yusuke Nishiura, Katsuhiro Hirata, Keisuke Ohya, Yo Sakaidani, Noboru Niguchi

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 23　No. 2　p. 332-337　2015/06　Research paper (scientific journal)

Evaluation of a Magnetic-Geared Induction Motor

Noboru Niguchi, Katsuhiro Hirata, Yuki Ohno, Akira Kohara

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 23　No. 2　p. 326-331　2015/06　Research paper (scientific journal)

Simulation Based Improved Analysis of BLDC Motor by Coupling FEM Motor Model with Various Switching Patterns

Yosub Sim, Noboru Niguchi, Katsuhiro Hirata

p. 1064-1069　2015/06　Research paper (international conference proceedings)

Characteristics Analysis of a 2-D Differentially Coupled Magnetic Actuator Employing 3-D FEM

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi

No. PB4-6　2015/06　Research paper (international conference proceedings)

Accuracy Improvement of a Magnetic Sensor Signal of an Excavator Using 3-D FEM

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto, Shunta Murao

No. PA6-4　2015/06　Research paper (international conference proceedings)

A Novel Half-type Permanent Magnet Structure of IPM BLDC Motor

Y. SIM, N. NIGUCHI, K. HIRATA

No. FY-05　2015/05　Research paper (international conference proceedings)

Identification of Acoustical Noise Source for Electric Power Steering Motor Using Finite Element Method

B. YOO, N. NIGUCHI, K. HIRATA, A. ZAINI

No. GY-08　2015/05　Research paper (international conference proceedings)

Design and analysis of a new spherical actuator

J. CHU, N. NIGUCHI, K. HIRATA

No. BG-11　2015/05　Research paper (international conference proceedings)

A 2-D Differentially Coupled Magnetic Actuator

Y. SAKAIDANI, K. HIRATA, N. NIGUCHI

No. AV-10　2015/05　Research paper (international conference proceedings)

Permanent Magnet Assisted Current Superimposition Variable Flux Machine

A. KOHARA, K. HIRATA, N. NIGUCHI, Y. OHNO

No. AH-04　2015/05　Research paper (international conference proceedings)

Characteristics Evaluation of Variable Flux Permanent Magnet Motor Using Centrifugal Force

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

No. 14B17　p. 133-136　2015/05

Permanent Magnet Synchronous Motor with 2 N-T Curves

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto, Atsushi Miyagawa

No. 14B16　p. 127-132　2015/05

N-T characteristics of magnetic gear motor with inherent overload protection

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto

Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)　Vol. 191　No. 2　p. 55-62　2015/04/01　Research paper (scientific journal)

Magnetic-geared motors with high transmission torque density

Noboru Niguchi, Katsuhiro Hirata

The International Journal for Computation and Mathmatics in Electrical and Electronic Engineering　Vol. 134　No. 2　p. 428-438　2015/04　Research paper (scientific journal)

Performance analysis of the Claw Pole Magnetic-Geared Generator for Hub Dynamos by FEM

Hajime UKAJI, Katsuhiro HIRATA, Noboru NIGUCHI

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 23　No. 1　p. 29-34　2015/03　Research paper (scientific journal)

Radial Differential Magnetic Harmonic Gear

Yuki OHNO, Noboru NIGUCHI, Katsuhiro HIRATA, Eiki MORIMOTO

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 23　No. 1　p. 23-28　2015/03　Research paper (scientific journal)

Comparison of Permanent-Magnet-Type Magnetic-Geared Motors

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto, Yuki Ohno

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 23　No. 1　p. 55-61　2015/03　Research paper (scientific journal)

Proposal of New-Shaped Pole Pieces of a Magnetic-Geared Generator

Shugo Nobuhara, Katsuhiro Hirata, Noboru Niguchi

The 2015 Annual Meeting Record IEE Japan　No. 5-045　p. 82-83　2015/03

Hybrid artificial intelligent control for feedback control of outer rotor spherical actuator

J. Chu, N. Niguchi, K. Hirata

Smart Sensors, Measurement and Instrumentation　Vol. 12　p. 253-268　2015　Research paper (scientific journal)

Control of an oscillatory actuator for haptic device

Junya Nitta, Katsuhiro Hirata, Masayuki Kato, Takamichi Yoshimoto, Noboru Niguchi

The Papers of Joint Technical Meeting on Magnetics and Linear Drives, IEE Japan　No. LD-14-111　p. 91-96　2014/12

Cogging Torque Modeling of a 3-Degree-of-Freedom Spherical Actuator

Yusuke Nishiura, Katsuhiro Hirata, Keisuke Oya, Yo Sakaidani, Noboru Niguchi

The Papers of Joint Technical Meeting on Magnetics and Linear Drives, IEE Japan　No. LD-14-110　p. 85-90　2014/12

High Performance Mode of a Current Superimposition Variable Flux Reluctance Motor

Noboru Niguchi, Katsuhiro Hirata, Yuki Ohno, Akira Kohara

The Papers of Joint Technical Meeting on Magnetics and Linear Drives, IEE Japan　No. LD-14-109　p. 79-84　2014/12

Optimization of the Stator Pole Arrangement of 3-Degree of Freedom Spherical Actuator Using Genetic Algorithm

Yusuke NISHIURA, Katsuhiro HIRATA, Keisuke OHYA, Yo SAKAIDANI, Noboru NIGUCHI

No. OS8-02　p. 299-304　2014/12

Evaluation of a Magnetic-Geared Induction Motor

Noboru NIGUCHI, Katsuhiro HIRATA, Yuki OHNO, Akira KOHARA

No. OS8-01　p. 293-298　2014/12

Current Superimposition Variable Flux Machine Auxiliarily Using Permanent Magnets

Akira KOHARA, Katsuhiro HIRATA, Noboru NIGUCHI, Yuki OHNO

No. OS3-02　p. 183-187　2014/12

Coupled analysis of brushless DC motor using finite elements method & back electromotive force detecting electrical circuits

Yosub Sim, Noboru Niguchi, Katsuhiro Hirata, Cheongworl Kim

Proceedings - 2014 International Conference on Electrical Machines, ICEM 2014　p. 724-729　2014/11/17　Research paper (international conference proceedings)

Experimental verification of feedback control of a 2-DOF spherical actuator

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda

IEEE Transactions on Magnetics　Vol. 50　No. 11　2014/11/01　Research paper (scientific journal)

Design and analysis of magnetic-geared motor with field windings

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi, Yuki Ohno

IEEE Transactions on Magnetics　Vol. 50　No. 11　2014/11/01　Research paper (scientific journal)

Proposal of a Magnetic-Geared Motor with Continuously Variable Transmission Gear Ratio

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

The Papers of Technical Meeting on Rotating Machinery, IEE Japan　Vol. RM-14-148　p. 109-113　2014/10

Experimental Verification of a Claw Pole Magnetic-Geared Generator for Hub Dynamo

Hajime Ukaji, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Rotating Machinery, IEE Japan　Vol. RM-14-128　p. 97-101　2014/10

Magnetizing Directions of the Permanent Magnets of the Magnetic-Geared Motor

N. Niguchi, K. Hirata, E. Morimoto, Y. Ohno

Proceedings of the International Conference on Electorical Machines (ICEM2014), Berlin, Germany　Vol. TT4　No. GD-000981　p. 1273-1279　2014/09　Research paper (international conference proceedings)

Coupled Analysis of Brushless DC Motor Using Finite Elements Method & Back Electromotive Force Detecting Electrical Circuits

Yosub Sim, Noboru Niguchi, Katsuhiro Hirata

Proceedings of the International Conference on Electorical Machines (ICEM2014), Berlin, Germany　Vol. TT3　No. GD-005053　p. 718-723　2014/09　Research paper (international conference proceedings)

Claw Pole Magnetic-Geared Generator for Hub Dynamos

Hajime Ukaji, Katsuhiro Hirata, Noboru Niguchi

Proceedings of the International Conference on Electorical Machines (ICEM2014), Berlin, Germany　Vol. TT2　No. GD-010855　p. 411-416　2014/09　Research paper (international conference proceedings)

Continuously Variable Speed Vernier Magnetic Geared Generator

A. Zaini, N. Niguchi, K. Hirata

Proceedings of the International Conference on Electorical Machines (ICEM2014), Berlin, Germany　Vol. TT1　No. GD-008133　p. 100-105　2014/09　Research paper (international conference proceedings)

Experimental Verification of the Axial Differential Magnetic Harmonic Gear

Yuki Ohno, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-14-53　p. 63-68　2014/08

Claw Pole Inner Rotor Magnetic-Geared Generator for Hub Dynamos

Hajime Ukaji, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-14-51　p. 51-55　2014/08

Variable Flux Reluctance Machine without DC-Field Coils

Noboru Niguchi, Katsuhiro Hirata, Yuki Ohno, Akira Kohara

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　No. LD-14-48　p. 35-40　2014/08

Analysis Method for Ni-Mn-Ga Magnetic Shape Memory Alloy Linear Actuator Using Play Hysteresis Operator

K. Matsunaga, N. Niguchi, K. Hirata

Proceedings of APSAEM2014 (8th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)　p. 100-101　2014/07　Research paper (international conference proceedings)

Characteristics Comparison of Permanent-Magnet-Type Magnetic-Geared Motors

N.Niguchi, K.Hirata, E.Morimoto, Y.Ohno

Proceedings of APSAEM2014 (8th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)　p. 84-85　2014/07　Research paper (international conference proceedings)

Experimental Evaluation of New Magnetic Movement Converter for Linear Oscillatory Actuator

F. Kitayama, K.Hirata, N.Niguchi, T. Yamada

Proceedings of APSAEM2014 (8th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)　p. 82-83　2014/07　Research paper (international conference proceedings)

Radial Differential Magnetic Harmonic Gear

Y. Ohno, K. Hirata, N. Niguchi

Proceedings of APSAEM2014 (8th Asia-Pacific Symposium on Applied Electromagnetics and Mechanics)　p. 80-81　2014/07　Research paper (international conference proceedings)

Characteristics verification of an independently controllable electromagnetic spherical motor

Shuhei Maeda, Katsuhiro Hirata, Noboru Niguchi

Sensors (Switzerland)　Vol. 14　No. 6　p. 10072-10080　2014/06/10　Research paper (scientific journal)

Experiment of 1kW class Magnetic-Geared Generator

Tsubasa Oshiumi, Noboru Niguchi, Katsuhiro Hirata

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 22　No. 2　p. 183-188　2014/06　Research paper (scientific journal)

Axially Differential Magnetic Harmonic Gear

Yuki Ohno, Noboru Niguchi, Katsuhiro Hirata

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 22　No. 2　p. 108-113　2014/06　Research paper (scientific journal)

Polarity of the Stator Permanent Magnets of the Magnetic-Geared Motor

Noboru NIGUCHI, Katsuhiro HIRATA, Eiki MORIMOTO

Journal of the Japan Society of Applied Electromagnetics and Mechanics　Vol. 22　No. 2　p. 102-107　2014/06　Research paper (scientific journal)

N-T Characteristics Analysis of a Magnetic-Geared Induction Motor

Noboru Niguchi, Katsuhiro Hirata, Ariff Zaini, Eiki Morimoto, Yuki Ohno

Proceedings of CEFC2014(16th Biennial IEEE Conference on Electromagnetic Field Computation), Annecy, France　No. OF2:3　2014/05　Research paper (international conference proceedings)

Comparison of Permanent-Magnet-Type Magnetic-Geared Motors

Noboru NIGUCHI, Katsuhiro HIRATA, Eiki MORIMOTO, Yuki OHNO

Proceedings of The 26th Symposium on Electromagnetics and Dynamics　No. 22Bp2　p. 301-306　2014/05

Performance analysis of the Claw Pole Magnetic-Geared Generator for Hub Dynamos by FEM

Hajime Ukaji, Katsuhiro Hirata, Noboru Niguchi

Proceedings of The 26th Symposium on Electromagnetics and Dynamics　No. 21Aa3　p. 16-21　2014/05

Proposal of Half-Permanent-Magnet-Type Harmonic Magnetic Gear

Eiki MORIMOTO, Noboru NIGUCHI, Katsuhiro HIRATA, Yuki OHNO

Proceedings of The 26th Symposium on Electromagnetics and Dynamics　No. 21Aa2　p. 11-15　2014/05

Radial Different Magnetic Harmonic Gear

Yuki Ohno, Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto

Poceedings of The 26th Symposium on Electromagnetics and Dynamics　No. 21Aa1　p. 5-10　2014/05

Axial Differential Magnetic Harmonic Gear

Yuki Ohno, Katsuhiro Hirata, Noboru Niguchi, Eiki Morimoto

Proceedings of IEEE International Magnetics Conference, Dresden　No. FQ-13　p. 2346-2347　2014/05　Research paper (international conference proceedings)

A Novel Motor with Two Controllable Output Shafts Using Superimposed Current

Noboru Niguchi, Katsuhiro Hirata, Atsushi Miyagawa, Yo Sakaidani

Proceedings of IEEE International Magnetics Conference, Dresden　No. FQ-5　p. 2328-2329　2014/05　Research paper (international conference proceedings)

Magnetic-Geared Motor with Field Windings

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi, Yuki Ohno

Proceedings of IEEE International Magnetics Conference, Dresden　No. EQ-10　p. 1846-1847　2014/05　Research paper (international conference proceedings)

Development of Control Method for Outer Rotor Spherical Actuator

MasahitoTsukano, Katsuhiro Hirata, Shuhei Maeda, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 194　No. 2　p. 54-63　2014/04　Research paper (scientific journal)

Performance Evaluation of an Axial-Type Magnetic-Geared Motor

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 194　No. 1　p. 48-59　2014/04　Research paper (scientific journal)

Performance Investigation of a Magnet-Saving-Type and High-Torque Magnetic-Geared Motor

Eiki MORIMOTO, Katsuhiro HIRATA, Noboru NIGUCHI

Journal of the Japan Society of Applied Electromagnetics and Mechanics　2014/03　Research paper (scientific journal)

A 2-Degree-of-Freedom Stepping Actuator

Atsuki Shima, Yo Sakaidani, Keisuke Oya, Shuhei Maeda, Noboru Niguchi, Katsuhiro Hirata

The 2014 Annual Meeting Record I.E.E. Japan　2014/03

Embedded PM magnetic-geared generator

Tsubasa Oshiumi, Noboru Niguchi, Katsuhiro Hirata

International Journal of Applied Electromagnetics and Mechanics　Vol. 45　No. 1-4　p. 709-715　2014　Research paper (international conference proceedings)

Performance evaluation of an axial-type magnetic-geared motor

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 134　No. 4　p. 7-438　2014　Research paper (scientific journal)

Development of control method for outer rotor spherical actuator

Masahito Tsukano, Katsuhiro Hirata, Shuhei Maeda, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 134　No. 4　p. 2-391　2014　Research paper (scientific journal)

Claw Pole Magnetic-Geared Generator for Hub Dynamos

Hajime Ukaji, Katsuhiro Hirata, Noboru Niguchi, Tsubasa Oshiumi

The Papers of Joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2013/12

Magnetic-Geared Motor with Field Windings

Eiki Morimoto, Noboru Niguchi, Katsuhiro Hirata

The Papers of Joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2013/12

A Synchronous Magnetic-Geared Induction Motor and its Characteristics

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto

The Papers of Joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2013/12

Finite Element Analysis on Ni-Mn-Ga Magnetic Shape Memory Alloy Actuator with Hysteresis Property

Kensuke Matsunaga, Noboru Niguchi, Katsuhiro Hirata

The Papers of Joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2013/12

Load Torque and Harmonics Vibration Reductions of a Linear Oscillatory Actuator Using a DC motor

Fumiya Kitayama, Katsuhiro Hirata, Tatsuro Yamada, Noboru Niguchi

The Papers of Joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2013/12

Experiment of 1kW class Magnetic-Geared Generator

Tsubasa OSHIUMI, Noboru Niguchi, Katsuhiro HIRATA

2013/12

Axally Differential Magnetic Harmonic Gear

Yuki Ohno, Noboru Niguchi, Katsuhiro Hirata

2013/12

Analysis of Vernier Motor with an Inset Permanent Magnet Rotor

Kenji OKADA, Noboru NIGUCHI, Katsuhiro HIRATA

2013/12

Polarity of the Stator Permanent Magnets of the Magnetic-Geared Motor

Noboru NIGUCHI, Katsuhiro HIRATA, Eiki MORIMOTO

2013/12

Cogging Torque of a Magnetic-Geared Motor due to the Permanent Magnet in the Stator

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto

The Papers of Technical Meeting on Linear Drives, IEE Japan　2013/10

Design of a Non-contact Electromagnetic Impact Mechanism

Hiroyuki HOSOKAWA, Katsuhiro HIRATA, Noboru NIGUCHI, Kenji OKADA

Journal of the Japan Society of Applied Electromagnetics and Mechanics　2013/09　Research paper (scientific journal)

Proposal of an Electromagnetic Actuator for Prosthetic Knee Joints

Noboru NIGUCHI, Katsuhiro HIRATA, Ryota NAKAMURA

Journal of the Japan Society of Applied Electromagnetics and Mechanics　2013/09　Research paper (scientific journal)

A NOVEL HYBRID-TYPE MAGNETIC PARADOX PLANETARY GEAR

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi

Proceedings of ISEF2013(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　2013/09　Research paper (international conference proceedings)

OPERATING CHARACTERISTICS VERIFICATION OF AN INDEPENDENTLY CONTROLLABLE SPHERICAL ACTUATOR

Shuhei Maeda, Katsuhiro Hirata, Noboru Niguchi

Proceedings of ISEF2013(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　2013/09　Research paper (international conference proceedings)

FEEDBACK CONTROL OF THE 2-DEGREE-OF-FREEDOM OUTER ROTOR SPHERICAL ACTUATOR

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Masahito Tsukano, Shuhei Maeda

Proceedings of ISEF2013(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　2013/09　Research paper (international conference proceedings)

MAGNETIC-GEARED MOTORS WITH HIGH TRANSMISSION TORQUE DENSITY

Noboru Niguchi, Katsuhiro Hirata

Proceedings of ISEF2013(XVI International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering)　2013/09　Research paper (international conference proceedings)

Study of an Independently Controlled Dual Output Motor

Atsushi Miyagawa, Noboru Niguchi, Katsuhiro Hirata

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　2013/08

Characteristics Analysis of 3-D Outer Rotor Spherical Actuator Employing 3-D FEM

Keisuke Oya, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda, Yo Sakaidani

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2013　No. 51　p. 17-21　2013/08

Experimental Verification of a Hybrid-Type Magnetic Paradox Planetary Gear

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　Vol. 2013　No. 51　p. 7-11　2013/08

Proposal of a Magnetic-Geared Induction Motor

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto

The Papers of Joint Technical Meeting on Rotating Machinery, Linear Drives and Home and Consumer Appliances, IEE Japan　2013/08

Embedded PM Magnetic-Geared Generator

Tsubasa OSHIUMI, Noboru NIGUCHI, Katsuhiro HIRATA

Proceedings of ISEM2013 (16th International Symposium on Applied Electromagnetics and Mechanics)　2013/07　Research paper (international conference proceedings)

A Proposal of a Novel Rotary Vernier Actuator

Kenji OKADA, Noboru NIGUCHI, Katsuhiro HIRATA

The Japan Society of Applied Electromagnetics and Mechanics Publications　2013/06　Research paper (scientific journal)

A Novel Magnetic-Geared Motor

Noboru NIGUCHI, Katsuhiro HIRATA

The Japan Society of Applied Electromagnetics and Mechanics Publications　2013/06　Research paper (scientific journal)

Perhofmance Evalution of Half Permanent Magnet Type Magnetic-Geared Motor

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi

2013/05

Feedback Contorl of the 2-Degree-of-Freedom Spherical Electromagnetic Actuator

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda

2013/05

An Outer Rotor 3-D-Degree-of-Freedom Spherical Actuator

Keisuke Oya, Yo Sakaidani, Shuhei Maeda, Noboru Niguchi, Katsuhiro Hirata

2013/05

Investigation of Rotor Motions of a Magnetic-Geared Motor Using 3D-FEM Dynamic Analysis

Hiroyuki Hosokawa, Noboru Niguchi, Katsuhiro Hirata, Yoshihiro Kawase, Tadashi Yamaguchi

2013/05

Rotor Contorol of a Magnetic-Geared Motor

Noboru Niguchi, Katsuhiro Hirata

2013/05

Operating Characteristic Verification of a Spherical Electromagnetic Actuator

Shuhei Maeda, Katsuhiro Hirata, Noboru Niguchi

2013/05

An Outer Rotor 3-Degree-of-Freedom Spherical Actuator

keisuke Oya, Yo Sakaidani, Masahito Tsukano, Shuhei Maeda, Noboru Niguchi, Katsuhiro Hirata

2013/03

Study on a Dual Output Motor with Independent Control

Atsushi Miyagawa, Noboru Niguchi, Katsuhiro Hirata, Yo Sakaidani

2013/03

N-T Characteristics of a Magnetic-Geared Motor

Noboru Niguchi, Katsuhiro Hirata

The Papers of Technical Meeting on Linear Drives, IEE Japan　2013/03

Evaluation of a Hybrid-Type Magnetic Planetary Gear

Masahiko Sakai, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　2013/03

Proposal of a Magnetic-Geared Generator for Direct -Drive Systems

Tsubasa Oshiumi, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　2013/03

Experimental Verification of an Outer Rotor Spherical Actuator

Masahito Tsukano, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda, Yo Sakaidani

The Papers of Technical Meeting on Linear Drives, IEE Japan　2013/03

Feedback control of outer rotor spherical actuator using adaptive neuro-fuzzy inference system

Junghyun Chu, Noboru Niguchi, Katsuhiro Hirata

Proceedings of the International Conference on Sensing Technology, ICST　p. 401-405　2013　Research paper (international conference proceedings)

N-T characteristics of magnetic gear motor with inherent overload protection

Noboru Niguchi, Katsuhiro Hirata, Eiki Morimoto

IEEJ Transactions on Industry Applications　Vol. 133　No. 12　p. 1179-1185　2013　Research paper (scientific journal)

Electromagnetic vibration analysis and measurement of a magnetic gear

Noboru Niguchi, Katsuhiro Hirata, Ariff Zaini

IEEJ Journal of Industry Applications　Vol. 2　No. 6　p. 261-268　2013　Research paper (scientific journal)

Resonant characteristics of electromagnetic vibration of an electric power steering motor

Noboru Niguchi, Katsuhiro Hirata, Teruaki Kondo

IEEJ Transactions on Industry Applications　Vol. 133　No. 10　p. 1022-1030　2013　Research paper (scientific journal)

Resonant characteristics of electromagnetic vibration of an electric power steering motor

Noboru Niguchi, Katsuhiro Hirata, Teruaki Kondo

IEEJ Transactions on Industry Applications　Vol. 133　No. 10　p. 1022-1030　2013　Research paper (scientific journal)

High performance hybrid-type magnetic planetary gear

Noboru Niguchi, Katsuhiro Hirata, Masahiko Sakai

2013 IEEE International Conference on Mechatronics and Automation, IEEE ICMA 2013　p. 662-669　2013　Research paper (international conference proceedings)

Torque-speed characteristics analysis of a magnetic-geared motor using finite element method coupled with vector control

Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Magnetics　Vol. 49　No. 5　p. 2401-2404　2013　Research paper (scientific journal)

Dynamic analysis of an independently controllable electromagnetic spherical actuator

Shuhei Maeda, Katsuhiro Hirata, Noboru Niguchi

IEEE Transactions on Magnetics　Vol. 49　No. 5　p. 2263-2266　2013　Research paper (scientific journal)

Feedback control of the 2-DOF actuator specialized for 2-axes rotation

Yo Sakaidani, Katsuhiro Hirata, Shuhei Maeda, Noboru Niguchi

IEEE Transactions on Magnetics　Vol. 49　No. 5　p. 2245-2248　2013　Research paper (scientific journal)

Analysis of a vernier motor with concentrated windings

Kenji Okada, Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Magnetics　Vol. 49　No. 5　p. 2241-2244　2013　Research paper (scientific journal)

Analysis of 2-degree of freedom outer rotor spherical actuator employing 3-D finite element method

Masahito Tsukano, Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda, Ariff Zaini

IEEE Transactions on Magnetics　Vol. 49　No. 5　p. 2233-2236　2013　Research paper (scientific journal)

Study on starting performance of Ni-Mn-Ga magnetic shape memory alloy linear actuator

Kensuke Matsunaga, Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Magnetics　Vol. 49　No. 5　p. 2225-2228　2013　Research paper (scientific journal)

Outer rotor spherical actuator

Masahito Tsukano, Katsuhiro Hirata, Shuhei Maeda, Tong Mingyu, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 133　No. 6　p. 8-644　2013　Research paper (scientific journal)

Proposal of an Induced Current Magnetic Geared-Motor

Ariff Zaini, Noboru Niguchi, Katsuhiro Hirata

The Papers of joint Technical Meeting on Static Apparatus and Rotating Machinery, IEE Japan　2013/01

Design, optimization, and realization of salient-pole electromagnetic gear for variable-transmission applications

Mustafa Husain, Katsuhiro Hirata, Noboru Niguchi

IEEJ Journal of Industry Applications　Vol. 2　No. 1　p. 87-97　2013　Research paper (scientific journal)

2-DOF electromagnetic spherical actuator with wide rotation angle

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Mingyu Tong, Shuhei Maeda

IEEJ Transactions on Industry Applications　Vol. 133　No. 1　p. 64-68　2013　Research paper (scientific journal)

Proposal of Hybrid-Type Magnetic Paradox Planetary Gear

The Papers of joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2012/12

Pole Shape Examination of a Hybrid-Type Magnetic Planetary Gear

Masahiko Sakai, Katsuhiro Hirata, Noboru NIguchi

The Papers of joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2012/12

Enhancement of the Transmission Torque of a Magnetic-Geared Motor Using an Experimental Design Method

Eiki Morimoto, Katsuhiro Hirata, Noboru Niguchi

The Papers of joint Technical Meeting on Motor Drive and Linear Drives, IEE Japan　2012/12

A Proposal of a Novel Rotary Vernier Actuator

Kenji Okada, Noboru Niguchi, Katsuhiro Hirata

2012/11

A Novel Magnetic-Geared Motor

Noboru Niguchi, Katsuhiro Hirata

p. 41-46　2012/11

Torque-Speed Characteristics Analysis of a Magnetic-Geared Motor Using Finite Element Method Coupled with Vector Control

Noboru Niguchi, Katsuhiro Hirata

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan　2012/11　Research paper (international conference proceedings)

Dynamic Analysis of a Vernier Magnetic Gear with a Continuously Variable Gear Ratio

Ariff Zaini, Noboru Niguchi, Katsuhiro Hirata

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan,　2012/11　Research paper (international conference proceedings)

Analysis of 2-Degree of Freedom Outer Rotor Spherical Actuator Employing 3-D Finite Element Method

Masahito Tsukano, Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda, Ariff Zaini

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan,　2012/11　Research paper (international conference proceedings)

New Electromagnetic Spherical Actuator Specialized for 2-Degree-of-Freedom Rotation

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan　2012/11　Research paper (international conference proceedings)

Analysis of a Vernier Motor with Concentrated Windings

Kenji Okada, Noboru Niguchi, Katsuhiro Hirata

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan　2012/11　Research paper (international conference proceedings)

Slip Characteristics Verfication of a Magnetic-Geared Generator Using Finite Element Analysis

Noboru Niguchi, Katsuhiro Hirata, Tsubasa Oshiumi

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan　2012/11　Research paper (international conference proceedings)

Study on Starting Performance of Ni-Mn-Ga Magnetic Shape Memory Alloy Linear Actuator

Kensuke Matsunaga, Noboru Niguchi, Katsuhiro Hirata

Proceedings of 15th Biennial IEEE CEFC (Conference on Electromagnetic Field Computation), Oita, Japan　2012/11　Research paper (international conference proceedings)

Development and Controlling of an Outer Rotor Spherical Actuator "jointly worked"

Masahito Tsukano, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani, Shuhei Maeda

Vol. 2012　No. 114　p. 57-62　2012/09

Dynamic Analysis of a Non-contact Electromagnetic Impact Device under Load

Hiroyuki Hosokawa, Katsuhiro Hirata, Noboru Niguchi, Kenji Okada

Vol. 2012　No. 80　p. 57-62　2012/08

Feedback Control of a 2-Degree-of-Freedom Spherical Electromagetic Actuator "jointly worked"

Yo Sakaidani, Katsuhiro Hirata, Noboru Niguchi, Shuhei Maeda

Vol. 2012　No. 80　p. 51-55　2012/08

Position Feedback Control of an Independently Controllable Electromagnetic Spherical Actuator

Shuhei Maeda, Katsuhiro Hirata, Noboru Niguchi

Vol. 2012　No. 80　p. 35-38　2012/08

Development and Controlling of an Outer Rotor Spherical Actuator "jointly worked"

Masahito Tsukano, Katsuhiro Hirata, Noboru Niguchi, Yo Sakaidani, Shuhei Maeda

Vol. 2012　No. 80　p. 29-33　2012/08

Influence of the Auxiliary Teeth on Torque Characteristics of the Vernier Magnetic Gear "jointly worked"

Ariff Zaini, Noboru Niguchi, Katsuhiro Hirata

2012/08

Eddy Current Loss Characteristics of an Axial-Type Magnetic-Geared Motor Employing Soft Magnetic Composite Core "jointly worked"

Shingo Nagai, Katsuhiro Hirata, Noboru Niguchi

2012/08

Proposal of a Magnetic-Geared Generator with distributed winding "jointly worked"

Tsubasa Oshiumi, Katsuhiro Hirata, Noboru Niguchi

2012/08

Rotor Dynamic of a Magnetic-Geared Motor after Slipping "jointly worked"

Noboru Niguchi, Katsuhiro Hirata

Vol. 12　p. 7-12　2012/08

Development of a 2-Degree-of-Freedom Magnetic Gear "jointly worked"

Daichi Azukizawa, Katsuhiro Hirata, Noboru Niguchi

2012/08

Design of a Non-contact Electromagnetic Impact Mechanism "jointly worked"

Hiroyuki HOSOKAWA, Katsuhiro HIRATA, Noboru NIGUCHI, Kenji OKADA

2012/07　Research paper (international conference proceedings)

Study on a Vernier Motor with Concentrated Windings "jointly worked"

Kenji OKADA, Noboru NIGUCHI, Katsuhiro HIRATA

2012/07　Research paper (international conference proceedings)

Resonance Characteristics of an Electric Power Steering Motor "jointly worked"

Noboru NIGUCHI, Katsuhiro HIRATA, Teruaki KONDO

2012/07　Research paper (international conference proceedings)

Proposal of an Electromagnetic Actuator for Prosthetic Knee Joints "jointly worked"

Noboru NIGUCHI, Katsuhiro HIRATA, Ryota NAKAMURA

2012/07　Research paper (international conference proceedings)

Cogging Torque Reduction Method of a Magnetic-Geared Motor "jointly worked"

Noboru NIGUCHI, Katsuhiro HIRATA

日本AEM学会誌　2012/06　Research paper (scientific journal)

Fundamental Study on a Vernier Motor "jointly worked"

Kenji OKADA, Noboru NIGUCHI, Katsuhiro HIRATA

日本AEM学会誌　2012/06　Research paper (scientific journal)

Continuously Variable Speed Magnetic Gear "jointly worked"

Ariff ZAINI, Noboru NIGUCHI, Katsuhiro HIRATA

日本AEM学会誌　2012/06　Research paper (scientific journal)

Cogging Torque Characteristics of a Magnetic-Geared Motor "joint worked"

Noboru Niguchi, Katsuhiro Hirata

IEEJ Transactions on Industry Applications　Vol. 132　No. 6　p. 673-681　2012/06　Research paper (scientific journal)

Design of a Magnetic-Geared Motor Utilizing the Inherent Overload Protection "jointly worked"

Noboru Niguchi, Katsuhiro Hirata

2012/05

Dynamic Characterictics Analysis of Magnetic-Geared Motor "jointly worked"

Tadashi Yamaguchi, Yoshihiro Kawase, Yuki Ono, Katsuhiro Hirata, Noboru Niguchi

p. 487-488　2012/05

Proposal of an Electromagnetic Actuator for a Prosthesis Knee Joint "jointly worked"

Noboru Niguchi, Katsuhiro Hirata, Ryota Nakamura

2012/05

Proposal of Outer -Rotor-Type Electromagnetic Spherical Actuator with 3 Degrees of Freedom "jointly worked"

Yo Sakaidani, Shuhei Maeda, Katsuhiro Hirata, Masahito Tsukano, Noboru Niguchi, Mingyu Tong

2012/05

2-DOF Electromagnetic Spherical Actuator with Wide Rotation Angle

SAKAIDANI Yo

Proc. IEEE INTERMAG, 2012　2012/05　Research paper (international conference proceedings)

Continuously Variable Speed Venier Magntic Gear "jointly worked"

A. Zaini, N. Niguchi, K. Hirata

Proceedings of IEEE International Magnetics Conference, Vancouver　2012/05　Research paper (international conference proceedings)

Cogging torque analysis of magnetic gear

Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Industrial Electronics　Vol. 59　No. 5　p. 2189-2197　2012/05　Research paper (international conference proceedings)

Proposal of a Magnetic-Geared Generator "jointly worked"

Tsubasa Oshiumi, Katsuhiro Hirata, Noboru Niguchi

2012/03

Axial-type Magnetic Gear with Twin Low-Speed Rotors "jointly worked"

Shingo NAGAI, Katsuhiro HIRATA, Noboru NIGUCHI

Journal of the Japan Society of Applied Electromagnetics and Mechanics　2012/03　Research paper (scientific journal)

Transmission torque analysis of a novel magnetic planetary gear employing 3-D FEM

Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Magnetics　Vol. 48　No. 2　p. 1043-1046　2012/02　Research paper (international conference proceedings)

磁気ギアードモータのトルクリップル特性

新口昇, 平田勝弘

電気学会 マグネティクス リニアドライブ合同研究会資料　Vol. 12　p. 23-28　2012/02

Frequency response characteristics for linear actuator made by NiMnGa shape memory alloy

Atsurou Oonishi, Katsuhiro Hirata, Byungjin Yoo, Noboru Niguchi

International Journal of Applied Electromagnetics and Mechanics　Vol. 39　No. 1-4　p. 913-918　2012　Research paper (international conference proceedings)

Continuously variable speed vernier magnetic gear

Ariff Zaini, Noboru Niguchi, Katsuhiro Hirata

IEEE Transactions on Magnetics　Vol. 48　No. 11　p. 3104-3107　2012　Research paper (scientific journal)

Cogging torque characteristics of magnetic-geared motor

Noboru Niguchi, Katsuhiro Hirata

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering　Vol. 31　No. 5　p. 1470-1481　2012　Research paper (scientific journal)

Torque ripple analysis of a magnetic-geared motor

Noboru Niguchi, Katsuhiro Hirata

Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012　p. 789-794　2012　Research paper (international conference proceedings)

Proposal of an axial-type magnetic-geared motor

Noboru Niguchi, Katsuhiro Hirata, Ariff Zaini, Shingo Nagai

Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012　p. 738-743　2012　Research paper (international conference proceedings)

Independently controllable electromagnetic spherical actuator

Shuhei Maeda, Katsuhiro Hirata, Noboru Niguchi

Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012　p. 678-683　2012　Research paper (international conference proceedings)

EPSモータの電磁振動による共振特性

近藤晃明, 平田勝弘, 新口昇, 田中俊成, 上田智哉, 藤田淳, 梶信藤

電気学会 静止器 回転機合同研究会資料　2012/01

三次元有限要素法によるハイブリッド型磁気減速機の高性能化

小豆澤大地, 平田勝弘, 新口昇

電気学会 静止器 回転機合同研究会資料　2012/01

減速比を連続的に変化可能なバーニア型磁気歯車の提案

アリフザイニ,新口昇, 平田勝弘

電気学会 静止器 回転機合同研究会資料　2012/01

アキシャル型磁気ギアードモータ

長井信吾, 平田勝弘, 新口昇

電気学会 静止器 回転機合同研究会資料　2012/01

非接触磁気インパクト機構の最適化

細川博之, 平田勝弘, 新口昇, 岡田健治

電気学会 静止器 回転機合同研究会資料　2012/01

Improvement of Transmission Torque of a Hybrid-Type Magnetic Planetary Gear

2011/12

三軸独立制御可能な球面電磁アクチュエータの開発

前田修平, 平田勝弘, 新口昇

電気学会 モータドライブ リニアドライブ合同研究会資料　2011/12

磁気ギアードモータのトルクリップル解析

新口昇, 平田勝弘

電気学会 モータドライブ リニアドライブ合同研究会資料　Vol. 11　p. 49-54　2011/12

Study on Cogging Torque Reduction Method of an EPS Motor Using Protrusion on the Teeth

Kensuke Matsunaga, Noboru Niguchi, Katsuhiro Hirata

The 20th MAGDA Conference in Pacific Asia　2011/11　Research paper (international conference proceedings)

Cogging Torque Reduction Method of a Magnetic-Geared Motor

Noboru Niguchi, Katsuhiro Hirata

The 20th MAGDA Conference in Pacific Asia　2011/11　Research paper (international conference proceedings)

Fundamental Study on a Vernier Motor

Kenji Okada, Noboru Niguchi, Katsuhiro Hirata

The 20th MAGDA Conference in Pacific Asia　2011/11　Research paper (international conference proceedings)

Continuously Variable Speed Magnetic Gear

Ariff Zaini, Noboru Niguchi, Katsuhiro Hirata

The 20th MAGDA Conference in Pacific Asia　2011/11　Research paper (international conference proceedings)

磁気減速機の渦電流損失特性

新口昇, 平田勝弘

日本AEM学会誌　2011/11　Research paper (scientific journal)

アウターロータ型球面アクチュエータに関する研究

塚野聖仁, 平田勝弘, 前田修平, トウ明宇, 新口昇

電気学会 リニアドライブ研究会資料　Vol. 133　No. 6　p. 639-644　2011/10

広角駆動可能な二自由度球面電磁アクチュエータ

堺谷洋, 平田勝弘, 新口昇, トウ明宇, 前田修平

電気学会 リニアドライブ研究会資料　Vol. 133　No. 1　p. 64-68　2011/10

高速ロータにのみ永久磁石を備えた磁気ギアードモータのコギングトルク低減手法

新口昇, 平田勝弘

電気学会 リニアドライブ研究会資料　Vol. 2011　No. 55　p. 23-28　2011/10

Induced Current Magnetic Coupling

Ariff Zaini, Katsuhiro Hirata, Noboru Niguchi

Applied Electromagnetics and Mechanics　2011/09　Research paper (international conference proceedings)

Frequenccy Response Characteristics for Linear Actuator Made by Ni-MN-Ga Shape Memory Alloy

Atsurou Oonishi, Katsuhiro Hirata, Byungjin Yoo, Noboru Niguchi

Applied Electromagnetics and Mechanics　2011/09　Research paper (international conference proceedings)

Cogging Torque Characteristics of Magnetic-Geared Motor

Noboru Niguchi, Katsuhiro Hirata

XV International Symposium on Electromagnetic Fields in Mechatronics, Electrical and ectronic Engineering, ISEF2011　2011/09　Research paper (international conference proceedings)

バーニアモータに関する基礎検討

岡田健治, 平田勝弘, 新口昇

電気学会 回転機 リニアドライブ 家電・民生合同研究会資料　Vol. 2011　No. 22　p. 49-53　2011/08

高速ロータにのみ永久磁石を備えた磁気ギアードモータのコギングトルク特性

新口昇, 平田勝弘

電気学会 回転機 リニアドライブ 家電・民生合同研究会資料　Vol. 2011　No. 39　p. 13-18　2011/08

ティース先端の突起によるコギングトルク低減効果に関する検討

松永研介, 新口昇, 平田勝弘

電気学会 回転機 リニアドライブ 家電・民生合同研究会資料　Vol. 2011　No. 39　p. 7-11　2011/08

Electromagnetic Vibration Analysis of a Magnetic Gear Employing the 3-D Finite Element Method

Noboru Niguchi, Katsuhiro Hirata

18th Interational Conference on the Computation of Electromagnetic Field　2011/07　Research paper (international conference proceedings)

Transmission Torque Analysis of a Novel Magnetic Planetary Gear Employing 3-D FEM

Noboru Niguchi, Katsuhiro Hirata

18th Interational Conference on the Computation of Electromagnetic Field　2011/07　Research paper (international conference proceedings)

Proposal of a Hybrid-Type Magnetic Planetary Gear

Vol. 19　No. 2　p. 84-89　2011/06　Research paper (scientific journal)

Evaluation of Linear Magnetic Gear Employing 3-D Finite Element Method

2011/06　Research paper (scientific journal)

Proposal of a High-Torque Magnetic Gear

2011/06　Research paper (scientific journal)

ツインロータを有するアキシャル型磁気減速機

長井信吾, 平田勝弘, 新口昇

第23回「電磁力関連のダイナミクス」シンポジウム講演論文集　2011/05

三次元有限要素法による磁気波動減速機の電磁振動解析

新口昇, 平田勝弘

第23回「電磁力関連のダイナミクス」シンポジウム講演論文集　2011/05

Design and Optimization of New Electromagnetic Gear for Variable-Transmission Applications.

M. Husain, N. Niguchi, K. Hirata

IEEE International Magnetics Conference　2011/04　Research paper (international conference proceedings)

SMCを用いた小型高性能モータ設計技術の研究

新口昇, 松原健, 稲山博英

平成23年電気学会全国大会論文集　2011/03

クローポール型磁気伝達減速機の提案

早川裕一, 平田勝弘, 新口昇

平成23年電気学会全国大会　p. 36-37　2011/03

ツインロータを有するアキシャル型磁気減速機

長井信吾, 平田勝弘, 新口昇

平成23年電気学会全国大会　2011/03

埋込磁石形リニア磁気減速機の減速比による動作特性への影響

森島卓志, 平田勝弘, 井出充洋, 新口昇

平成23年電気学会全国大会　2011/03

表面磁石型磁気減速機の伝達トルク特性に関する研究

新口昇, 平田勝弘, 早川裕一

電気学会論文誌　Vol. 131　No. 3　p. 396-402　2011/03　Research paper (scientific journal)

Induced Current Magnetic Coupling

Ariff Zaini, Katsuhiro Hirata, Noboru Niguchi

The Papers of Technical Meeting on Linear Drives, IEE Japan　2011/02

Novel proposals for the realization of variable-transmission magnetic gear

Mustafa Husain, Katsuhiro Hirata, Noboru Niguchi

IEEJ Transactions on Industry Applications　Vol. 131　No. 11　p. 1263-1268　2011　Research paper (scientific journal)

ハイブリッド型磁気遊星歯車の提案

新口昇, 平田勝弘

電気学会リニアドライブ研究会資料　Vol. 19　No. 2　p. 84-89　2010/12

ハイブリッド型磁気遊星歯車の提案

新口昇, 平田勝弘

第19回MAGDAコンファレンス　Vol. 19　No. 2　p. 84-89　2010/11

高トルク磁気伝達減速機の提案

平田勝弘, 早川裕一, 新口昇

第19回MAGDAコンファレンス　p. 469-474　2010/11

三次元有限要素法によるリニア磁気減速機の特性評価

平田勝弘, 森島卓志, 井出充洋, 新口昇

第19回MAGDAコンファレンス　2010/11

表面磁石型磁気伝達減速機構に関する研究

新口昇, 平田勝弘, 村松雅理, 加藤健太

日本AEM学会誌　Vol. 18　No. 3　p. 221-226　2010/09　Research paper (scientific journal)

A Novel Design of Variable Transmission Magnetic Gear

Mustafa Husain, Katsuhiro Hirata, Noboru Niguchi

電気学会 回転機 リニアドライブ合同研究会資料　Vol. 2010　No. 30　p. 25-29　2010/08

三次元有限要素法を用いたHB型磁気伝達減速機構の渦電流解析

早川裕一, 平田勝弘, 新口昇, 村松雅理

第22回「電磁力関連のダイナミクス」シンポジウム　p. 586-591　2010/05

表面磁石型磁気伝達減速機構のコギングトルク低減に関する研究

新口昇, 平田勝弘, 村松雅理, 早川裕一

第22回「電磁力関連のダイナミクス」シンポジウム　p. 562-567　2010/05

ハイブリッド型磁気伝達減速機構のコギングトルク低減に関する研究

新口 昇, 平田勝弘, 山本優文, 村松雅理

電気学会論文誌　Vol. 130　No. 5　p. 692-698　2010/05　Research paper (scientific journal)

新構造リニア磁気伝達減速機の開発

井出充洋, 平田勝弘, 石黒浩, 仲田佳弘, 村松雅理, 新口昇

平成22年電気学会全国大会講演論文集　2010/03

三次元有限要素法を用いた新構造リニア磁気伝達減速機の動作特性解析

井出充洋, 平田勝弘, 石黒浩, 仲田佳弘, 村松雅理, 新口昇

電気学会リニアドライブ研究会研究会資料　Vol. 2010　No. 1　p. 83-88　2010/03

Transmission torque characteristics in a magnetic gear

Noboru Niguchi, Katsuhiro Hirata, Masari Muramatsu, Yuichi Hayakawa

19th International Conference on Electrical Machines, ICEM 2010　2010　Research paper (international conference proceedings)

Dynamic analysis of axial-type magnetic gear employing 3-D FEM

Noboru Niguchi, Katsuhiro Hirata, Masari Muramatsu, Yuichi Hayakawa

Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010　2010　Research paper (international conference proceedings)

Eddy current analysis of magnetic gear employing 3-D FEM

Noboru Niguchi, Katsuhiro Hirata, Masari Muramatsu, Yuichi Hayakawa

Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010　2010　Research paper (international conference proceedings)

表面磁石型磁気伝達減速機構に関する研究

新口昇, 平田勝弘, 村松雅理, 加藤健太

第18回MAGDAコンファレンス論文集　Vol. 18　No. 3　p. 221-226　2009/11

ハイブリッド型磁気伝達減速機構のコギングトルク低減に関する研究

新口昇, 平田勝弘, 山本優文, 村松雅理

平成21年電気学会産業応用部門大会論文集　Vol. 130　No. 5　p. 692-698　2009/09

表面磁石型バーニアモータの基礎研究

新口昇, 稲山博英, 森貞明, 下村昭二

平成16年電気学会全国大会論文集　Vol. 2004　No. 5　2004/03