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2019

A novel reluctance magnetic gear for high-speed motor

Aiso, K., Akatsu, K. & Aoyama, Y., 2019 May 1, In : IEEE Transactions on Industry Applications. 55, 3, p. 2690-2699 10 p., 28.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Selection method of controller gains for position sensorless control of IPMSM drives

Lee, D. & Akatsu, K., 2019 Jan 1, In : IEEJ Journal of Industry Applications. 8, 4, p. 720-726 7 p.

Research output: Contribution to journalArticle

Open Access

可変磁力モータの着磁制御による高速領域電圧抑制手法及び車両のトルク脈動に関する考察

Translated title of the contribution: Magnetization state manipulation method to reduce back electoromotive force in high speed region of variable flux PMSMs and a study of vehicle torque vibrationSasaki, K., Gagas, B. S., Inoue, K., Fukushige, T., Kato, T., Akatsu, K. & Lorenz, R. D., 2019 Jan 1, In : IEEJ Transactions on Industry Applications. 139, 6, p. 550-557 8 p.

Research output: Contribution to journalArticle

2018

Attenuate Influence of Parasitic Elements in 13.56-MHz Inverter for Wireless Power Transfer Systems

Trung, N. K., Ogata, T., Tanaka, S. & Akatsu, K., 2018 Apr 1, In : IEEE Transactions on Power Electronics. 33, 4, p. 3218-3231 14 p., 7934398.

Research output: Contribution to journalArticle

7 Citations (Scopus)
8 Citations (Scopus)

Multi-phase inverter-fed MATRIX motor for high efficiency driving

Hijikata, H., Sakai, Y., Akatsu, K., Miyama, Y., Arita, H. & Daikoku, A., 2018 Jan 1, In : IEEJ Transactions on Industry Applications. 138, 3, p. 257-264 8 p.

Research output: Contribution to journalArticle

Vibration Reduction by Applying Carrier Phase-Shift PWM on Dual Three-Phase Winding Permanent-Magnet Synchronous Motor

Miyama, Y., Ishizuka, M., Kometani, H. & Akatsu, K., 2018 Aug 1, (Accepted/In press) In : IEEE Transactions on Industry Applications.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2017
3 Citations (Scopus)

A research trend of electric machines with development of finite element analysis

Hijikata, H. & Akatsu, K., 2017 Jun 1, In : IEEJ Transactions on Electrical and Electronic Engineering. 12, p. S171-S176

Research output: Contribution to journalArticle

Complex vector form PI control for harmonic current control of a PMSM

Okajima, Y. & Akatsu, K., 2017, In : IEEJ Transactions on Industry Applications. 137, 3, p. 238-245 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2 Citations (Scopus)

Electromagnetic Force Acquisition Distributed in Electric Motor to Reduce Vibration

Ito, T. & Akatsu, K., 2017 Mar 1, In : IEEE Transactions on Industry Applications. 53, 2, p. 1001-1008 8 p., 7723868.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Experimental studies of variable leakage flux type IPMSM

Hijikata, H., Akatsu, K. & Kato, T., 2017, In : IEEJ Transactions on Industry Applications. 137, 9, p. 737-743 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Wide Speed Range Operation by Low-Voltage Inverter-Fed MATRIX Motor for Automobile Traction Motor

Hijikata, H., Sakai, Y., Akatsu, K., Miyama, Y., Arita, H. & Daikoku, A., 2017 Sep 11, (Accepted/In press) In : IEEE Transactions on Power Electronics.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2016
10 Citations (Scopus)
1 Citation (Scopus)

MATRIX motor with individual control capability for iron loss suppression under flux weakening control

Hijikata, H., Akatsu, K., Miyama, Y., Arita, H. & Daikoku, A., 2016, In : IEEJ Journal of Industry Applications. 5, 2, p. 176-183 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Variable Magnetization Machine in Electrified Vehicle Application

Fukushige, T., Kato, T., Akatsu, K. & Lorenz, R. D., 2016 Nov 1, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 197, 3, p. 67-75 9 p.

Research output: Contribution to journalArticle

Vector control specialized for switched reluctance motor drives

Nakao, N. & Akatsu, K., 2016 Jan 1, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 194, 2, p. 24-36 13 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Analysis and PCB design of class D inverter for wireless power transfer systems operating at 13.56 MHz

Trung, N. K., Ogata, T., Tanaka, S. & Akatsu, K., 2015, In : IEEJ Journal of Industry Applications. 4, 6, p. 703-713 11 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Controlled voltage source vector control for switched reluctance motors using PWM method

Nakao, N. & Akatsu, K., 2015 Oct 1, In : IEEJ Transactions on Industry Applications. 135, 10, p. 999-1008 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Design Methodology for Variable Leakage Flux IPM for Automobile Traction Drives

Kato, T., Minowa, M., Hijikata, H., Akatsu, K. & Lorenz, R. D., 2015 Sep 1, In : IEEE Transactions on Industry Applications. 51, 5, p. 3811-3821 11 p., 7115116.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Efficiency Contours and Loss Minimization Over a Driving Cycle of a Variable Flux-Intensifying Machine

Fukushige, T., Limsuwan, N., Kato, T., Akatsu, K. & Lorenz, R. D., 2015 Jul 1, In : IEEE Transactions on Industry Applications. 51, 4, p. 2984-2989 6 p., 07046393.

Research output: Contribution to journalArticle

46 Citations (Scopus)

Electric drive technologies contributing to low-fuel-comsumption vehicles

Mizutani, R., Tachibana, T., Morimoto, M., Akatsu, K. & Hoshi, N., 2015 Sep 1, In : IEEJ Transactions on Industry Applications. 135, 9, p. 884-891 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Proposal and machine characteristics of a single-phase srm driven by commercial AC power supply

Aiso, K. & Akatsu, K., 2015 Nov 1, In : IEEJ Transactions on Industry Applications. 135, 11, p. 1091-1099 9 p.

Research output: Contribution to journalArticle

Variable magnetization machine in electrified vehicle application

Fukushige, T., Kato, T., Akatsu, K. & Lorenz, R. D., 2015 Sep 1, In : IEEJ Transactions on Industry Applications. 135, 9, p. 922-928 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2014

Design and evaluation of a variable-flux flux-intensifying interior permanent-magnet machine

Limsuwan, N., Kato, T., Akatsu, K. & Lorenz, R. D., 2014 Jan 1, In : IEEE Transactions on Industry Applications. 50, 2, p. 1015-1024 10 p., 6560407.

Research output: Contribution to journalArticle

120 Citations (Scopus)

Rare earth reduction using a novel variable magnetomotive force flux-intensified IPM machine

Kato, T., Limsuwan, N., Yu, C. Y., Akatsu, K. & Lorenz, R. D., 2014 Jan 1, In : IEEE Transactions on Industry Applications. 50, 3, p. 1748-1756 9 p., 6607140.

Research output: Contribution to journalArticle

74 Citations (Scopus)

Suppressing pulsating torques: Torque ripple control for synchronous motors

Nakao, N. & Akatsu, K., 2014 Nov 1, In : IEEE Industry Applications Magazine. 20, 6, p. 33-44 12 p., 6891141.

Research output: Contribution to journalArticle

58 Citations (Scopus)

Vector control specialized for switched reluctance motor drives

Nakao, N. & Akatsu, K., 2014 Jan 1, In : IEEJ Transactions on Industry Applications. 134, 12, p. 1006-1015 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2013

A study of dual winding method for compound magnetomotive force motor

Hijikata, H., Shigeta, T., Kariya, N., Akatsu, K. & Kato, T., 2013 Nov 11, In : IEEJ Transactions on Industry Applications. 133, 10, p. 986-994 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A study on improvement in permanent magnet synchronous motor with high permeability magnet

Miyamasu, M., Nakamura, Y., Akatsu, K. & Masuzawa, M., 2013 Oct 7, In : IEEJ Transactions on Industry Applications. 133, 9, p. 943-951 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Basic properties of an axial-type switched reluctance motor

Arihara, H. & Akatsu, K., 2013 Jan 28, In : IEEE Transactions on Industry Applications. 49, 1, p. 59-65 7 p., 6361291.

Research output: Contribution to journalArticle

27 Citations (Scopus)
7 Citations (Scopus)
6 Citations (Scopus)

Secondary resistive losses with high-frequency injection-based self-sensing in IPM machines

Limsuwan, N., Kato, T., Yu, C. Y., Tamura, J., Reigosa, D. D., Akatsu, K. & Lorenz, R. D., 2013 Aug 5, In : IEEE Transactions on Industry Applications. 49, 4, p. 1499-1507 9 p., 6491469.

Research output: Contribution to journalArticle

19 Citations (Scopus)
2012

Investigation of locked rotor test for estimation of magnet PWM carrier eddy current loss in synchronous machines

Yamazaki, K., Fukuoka, T., Akatsu, K., Nakao, N. & Ruderman, A., 2012 Oct 30, In : IEEE Transactions on Magnetics. 48, 11, p. 3327-3330 4 p., 6333012.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Special Issue on Power Electronics

Itoh, J. & Akatsu, K., 2012, In : IEEJ Transactions on Industry Applications. 132, 10, p. 13 1 p.

Research output: Contribution to journalArticle

2011

Coupled analysis technique involving magnetic-field-control/circuit simulation and loss estimation for permanent magnet synchronous machine

Narita, K., Yamada, T., Sakashita, Y. & Akatsu, K., 2011 Dec 1, In : IEEJ Transactions on Industry Applications. 131, 11, p. 1309-1315+7

Research output: Contribution to journalArticle

7 Citations (Scopus)

Design theory of a variable characteristic motor using compound magnetomotive forces

Kato, T., Akatsu, K., Shigeta, T., Nakano, M., Tsukamoto, M. & Arimitsu, M., 2011 Sep 26, In : IEEJ Transactions on Industry Applications. 131, 8, p. 1049-1058 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Torque ripple control based on instantaneous torque estimation in PMSMs

Nakao, N. & Akatsu, K., 2011 Dec 1, In : IEEJ Transactions on Industry Applications. 131, 9, p. 1120-1127+4

Research output: Contribution to journalArticle

7 Citations (Scopus)

Principle of a Variable Characteristics Motor with Compound Magnetmotive Forces

Kato, T., K, K., Akatsu, K., Shigeta, T., M.Nakano, M. N., Tsukamoto, M. & Arimitsu, M., 2010 Jun 23, In : The 2010 International Power Electronics Conference –ECCE ASIA- (IPEC2010).

Research output: Contribution to journalArticle

Self-Sending Comparison of Fractional Slot Pitch Winding Versus Distributed Winding for FW- and FI-IPMSMs Based on Carrier Signal Injection at Very Low Speed

Reigosa, D., Akatsu, K., Limusuwan, N., Shibukawa, Y. & Lorenz, R. D., 2010 Nov 1, In : IEEE Transaction on Industry Applications. 46, p. 2467-2474

Research output: Contribution to journalArticle

Self-sensing comparison of fractional slot pitch winding versus distributed winding for FW- and FI-IPMSMs based on carrier signal injection at very low speed

Reigosa, D. D., Akatsu, K., Limsuwan, N., Shibukawa, Y. & Lorenz, R. D., 2010 Nov 1, In : IEEE Transactions on Industry Applications. 46, 6, p. 2467-2474 8 p., 5565474.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2009

Comparing coupled analysis with experimental results for an interior PM machine

Akatsu, K. & Lorenz, R. D., 2009 Feb 12, In : IEEE Transactions on Industry Applications. 45, 1, p. 178-185 8 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2008
1 Citation (Scopus)

Position and speed estimation methods of SPMSMs using a hall effect sensor

Akatsu, K., Mitomo, N. & Wakui, S., 2008 Dec 1, In : IEEJ Transactions on Industry Applications. 128, 2, p. 125-130+6

Research output: Contribution to journalArticle