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Research Output 1997 2019

  • 1279 Citations
  • 16 h-Index
  • 131 Conference contribution
  • 70 Article
  • 1 Conference article
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Article
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

Gears
Rotors
Magnets
Eddy currents
Power transmission

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
Synchronous motors
Permanent magnets
Electromotive force
Rotors
Controllers

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

Magnetization
Torque
Fluxes
Permanent magnets
Trajectories
2018
4 Citations (Scopus)

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

Networks (circuits)
Printed circuit boards
Damping
Switching frequency
Signal interference
4 Citations (Scopus)
Circuit simulation
Synchronous motors
Permanent magnets
Fluxes
Finite element method

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

Torque
Iron
Fluxes
Gear teeth
Synchronous motors
2 Citations (Scopus)

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

Synchronous motors
Phase shift
Pulse width modulation
Permanent magnets
Vector spaces
2017
2 Citations (Scopus)
Torque control
Synchronous motors
Permanent magnets
Simulators
Finite element method

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

Electric machinery
Finite element method
Torque
Magnetic fields

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

Electric current control
Transient analysis
Controllers
Permanent magnets
Poles
2 Citations (Scopus)
Variable speed drives
Reluctance motors
Controllability
Pulse width modulation
Hysteresis
7 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

Electric motors
Stators
Torque
Reluctance motors
Strain gages
2 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

Synchronous motors
Fluxes
Permanent magnets
Traction motors
Automobiles
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

Traction motors
Automobiles
Electric potential
Torque
2016
10 Citations (Scopus)
Torque control
Electric current control
Simulators
Synchronous motors
Permanent magnets
1 Citation (Scopus)
Reluctance motors
Magnetic materials
Fluxes
Composite materials
5 Citations (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

Iron
Fluxes
Synchronous motors
Permanent magnets
Stators

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

Magnetization
Rotors (windings)
Magnetic circuits
Electric vehicles
Stators
2 Citations (Scopus)

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

Reluctance motors
Torque
Torque control
Electric current control
Control theory
2015
21 Citations (Scopus)

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

Networks (circuits)
Inductance
2 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

Variable speed drives
Reluctance motors
Controllability
Pulse width modulation
Hysteresis
14 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

Automobiles
Fluxes
Permanent magnets
Energy utilization
Torque
38 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

Magnets
Magnetization
Fluxes
Coercive force
Permanent magnets
8 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

Electric drives
Fuel economy
Internal combustion engines

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

Reluctance motors
Switching circuits
Induction motors
Sensors
Experiments
3 Citations (Scopus)

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

Magnetization
Rotors (windings)
Magnetic circuits
Electric vehicles
Stators
2014
100 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Permanent magnets
Fluxes
Coercive force
Magnets
Magnetization
68 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, In : IEEE Transactions on Industry Applications. 50, 3, p. 1748-1756 9 p., 6607140.

Research output: Contribution to journalArticle

Rare earths
Permanent magnets
Magnets
Fluxes
Coercive force
48 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

Torque control
Synchronous motors
Torque
Analytical models
Reluctance motors
4 Citations (Scopus)

Vector control specialized for switched reluctance motor drives

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

Research output: Contribution to journalArticle

Reluctance motors
Torque
Torque control
Electric current control
Control theory
2013
2 Citations (Scopus)

A study of dual winding method for compound magnetomotive force motor

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

Research output: Contribution to journalArticle

Magnets
Poles
Electric potential
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, In : IEEJ Transactions on Industry Applications. 133, 9, p. 943-951 9 p.

Research output: Contribution to journalArticle

Synchronous motors
Permanent magnets
Magnets
Eddy currents
Torque
24 Citations (Scopus)

Basic properties of an axial-type switched reluctance motor

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

Research output: Contribution to journalArticle

Reluctance motors
Torque
Air
Inductance
Finite element method
Circuit simulation
Permanent magnets
Magnetic fields
Iron
Fluxes
7 Citations (Scopus)
AC motors
Brushless DC motors
Machine design
Electric potential
Synchronous motors
6 Citations (Scopus)
Synchronous motors
Permanent magnets
Power electronics
Electronic equipment
Torque
19 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, In : IEEE Transactions on Industry Applications. 49, 4, p. 1499-1507 9 p., 6491469.

Research output: Contribution to journalArticle

Permanent magnets
Magnets
Eddy currents
Iron
Fluxes
2012
17 Citations (Scopus)

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, In : IEEE Transactions on Magnetics. 48, 11, p. 3327-3330 4 p., 6333012.

Research output: Contribution to journalArticle

Eddy currents
Pulse width modulation
Magnets
Rotors
Finite element method

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

Power electronics
2011
7 Citations (Scopus)
Circuit simulation
Permanent magnets
Magnetic fields
Iron
Fluxes
2 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, In : IEEJ Transactions on Industry Applications. 131, 8, p. 1049-1058 10 p.

Research output: Contribution to journalArticle

Electric current control
Synchronous motors
Permanent magnets
Magnets
Poles
7 Citations (Scopus)

Torque ripple control based on instantaneous torque estimation in PMSMs

Nakao, N. & Akatsu, K., 2011, In : IEEJ Transactions on Industry Applications. 131, 9

Research output: Contribution to journalArticle

Torque control
Synchronous motors
Permanent magnets
Feedforward control
Torque

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

13 Citations (Scopus)

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, In : IEEE Transactions on Industry Applications. 46, 6, p. 2467-2474 8 p., 5565474.

Research output: Contribution to journalArticle

Stators
Permanent magnets
Rotors
Fluxes
2009
13 Citations (Scopus)

Comparing coupled analysis with experimental results for an interior PM machine

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

Research output: Contribution to journalArticle

Torque
Finite element method
Circuit simulation
Electric potential
Pulse width modulation
2008
1 Citation (Scopus)

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

Akatsu, K., Mitomo, N. & Wakui, S., 2008, In : IEEJ Transactions on Industry Applications. 128, 2

Research output: Contribution to journalArticle

Hall effect
Sensors
Speed control
Electric potential
Experiments