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Research Output 1997 2018

  • 940 Citations
  • 14 h-Index
  • 112 Conference contribution
  • 66 Article
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

Electric inverters
Printed circuit design
Electromagnetic pulse
Electric power systems
Electric network analysis
Automobile drivers
Timing circuits
Digital storage
Circuit simulation
Synchronous motors

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

Electric inverters
Bridge circuits
Electric drives
Synchronous motors
Permanent magnets

The study on gain selecting method of position sensorless control algorithm for IPMSM

Lee, D. & Akatsu, K. 2018 Feb 9 2017 IEEE 12th International Conference on Power Electronics and Drive Systems, PEDS 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-December, p. 728-733 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Synchronous motors
Electromotive force
Permanent magnets
Rotors
Mathematical models
2017
4 Citations

A built-in high temperature half-bridge power module with low stray inductance and low thermal resistance for in-wheel motor application

Suzuki, T., Yamashita, M., Mori, T., Araki, S., Tanimoto, S., Iizuka, S., Niitsuma, Y. & Akatsu, K. 2017 Silicon Carbide and Related Materials 2016. Trans Tech Publications Ltd, Vol. 897 MSF, p. 677-680 4 p. (Materials Science Forum; vol. 897 MSF)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

thermal resistance
wheels
Heat resistance
inductance
Inductance
Torque control
Synchronous motors
Permanent magnets
Simulators
Finite element method

An examination of optimizing input impedance for wireless power transfer operating with high power condition

Uchida, K. & Akatsu, K. 2017 Jul 25 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 633-637 5 p. 7992112

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric power systems
Networks (circuits)
Inductive power transmission
Electric potential
Experiments

A novel magnetic gear for high speed motor system

Aiso, K., Akatsu, K. & Aoyama, Y. 2017 Aug 3 2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017. Institute of Electrical and Electronics Engineers Inc., 8002311

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gears
Rotors
Permanent magnets
Magnets
Torque
2 Citations

A novel reluctance magnetic gear for high speed motor

Aiso, K. & Akatsu, K. 2017 Feb 13 ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854742

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gears
Rotors
Magnets
Eddy currents
Permanent magnets
3 Citations

A practical approach for electromagnetic analysis with the effect of the residual strain due to manufacturing processes

Sano, H., Narita, K., Zeze, E., Yamada, T., Kazuki, U. & Akatsu, K. 2017 Feb 13 ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854757

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel sheet
Finite element method
Degradation
Machine design
Materials properties

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

A thermal dissipation characteristics of integrated in-wheel motor using SiC power module

Iizuka, S. & Akatsu, K. 2017 Jul 25 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 1251-1255 5 p. 7992222

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Automobile cooling systems
Thermoelectric equipment
Electric inverters
Control system synthesis
Silicon compounds

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
Variable speed drives
Reluctance motors
Controllability
Pulse width modulation
Hysteresis

Design 13.56MHz 10 kW resonant inverter using GaN HEMT for wireless power transfer systems

Trung, N. K. & Akatsu, K. 2017 Nov 3 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January, p. 955-960 6 p. 8095888

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric inverters
Vanadium compounds
Gallium nitride
Circuit simulation
High electron mobility transistors
3 Citations

Design high power and high efficiency inverter operating at 13.56MHz for wireless power transfer systems

Trung, N. K. & Akatsu, K. 2017 Feb 13 ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7855017

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High electron mobility transistors
Networks (circuits)
Experiments

Driver design for 3kW 13.56 MHz multiphase resonant inverter

Trung, N. K. & Akatsu, K. 2017 Jul 25 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 170-174 5 p. 7992437

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Integrated circuit manufacture
Energy transfer
Topology
Switching frequency
Networks (circuits)

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

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

Five phase multi-layer drive with fault tolerant neuro-fuzzy features for safety critical applications

Di Tullio, A., Tursini, M., Parasiliti, F. & Akatsu, K. 2017 Oct 2 2017 20th International Conference on Electrical Machines and Systems, ICEMS 2017. Institute of Electrical and Electronics Engineers Inc., 8056487

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Safety engineering
Electric machinery
Control nonlinearities
Electric drives
Three term control systems

Operating point estimation for permanent magnet of electric motor under load-condition

Yoneyama, K. & Akatsu, K. 2017 Jan 30 19th International Conference on Electrical Machines and Systems, ICEMS 2016. Institute of Electrical and Electronics Engineers Inc., 7837217

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric motors
Equivalent circuits
Permanent magnets
Magnetic circuits
Synchronous motors

Principle verification of magnetization reversal motor

Murakami, T. & Akatsu, K. 2017 Nov 6 2017 19th European Conference on Power Electronics and Applications, EPE 2017 ECCE Europe. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January, 8099270

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetization reversal
Electric motors
Power electronics
Stators
Permanent magnets

Reluctance magnetic gear and flux switching magnetic gear for high speed motor system

Aiso, K., Akatsu, K. & Aoyama, Y. 2017 Nov 3 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January, p. 2445-2452 8 p. 8096470

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetism
Energy conversion
Permanent magnets
Magnets
Gears

Study of high-speed SRM with amorphous steel sheet for EV

Ueta, K. & Akatsu, K. 2017 Jan 30 19th International Conference on Electrical Machines and Systems, ICEMS 2016. Institute of Electrical and Electronics Engineers Inc., 7837228

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel sheet
Traction motors

The study on transient performance improvement of position sensorless control algorithm for IPMSM

Lee, D. & Akatsu, K. 2017 Oct 20 Conference Proceedings - 2017 8th International Symposium on Sensorless Control for Electrical Drives, SLED 2017. Institute of Electrical and Electronics Engineers Inc., p. 67-72 6 p. 8078432

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electromotive force
Position control
Synchronous motors
Phase locked loops
Permanent magnets
1 Citations

Vibration reduction by applying carrier phase-shift PWM on dual three-phase windings permanent-magnet synchronous motor

Miyama, Y., Ishizuka, M., Kometani, H. & Akatsu, K. 2017 Aug 3 2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017. Institute of Electrical and Electronics Engineers Inc., 8002021

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Synchronous motors
Phase shift
Pulse width modulation
Permanent magnets
Vibrations (mechanical)

Wide driving range realization by multi-layer multi-phase motor for electric vehicle

Shoyama, T. & Akatsu, K. 2017 Oct 2 2017 20th International Conference on Electrical Machines and Systems, ICEMS 2017. Institute of Electrical and Electronics Engineers Inc., 8056450

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric windings
Electric traction
Electric machinery
Synchronous motors
Electric vehicles

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

A design method of switched reluctance motor for automobile auxiliary motors driven by a voltage single pulse drive

Aiso, K. & Akatsu, K. 2016 Jan 18 2015 18th International Conference on Electrical Machines and Systems, ICEMS 2015. Institute of Electrical and Electronics Engineers Inc., p. 1817-1823 7 p. 7385336

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reluctance motors
Automobiles
Electric potential
Electromotive force
Torque
6 Citations
Torque control
Electric current control
Simulators
Synchronous motors
Permanent magnets

Advanced torque control of permanent magnet synchronous motor using finite element anasysis based motor model with a real-time simulator

Tanabe, R. & Akatsu, K. 2016 Jan 25 IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society. Institute of Electrical and Electronics Engineers Inc., p. 4430-4435 6 p. 7392789

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque control
Synchronous motors
Permanent magnets
Simulators
Torque
1 Citations

A new motor with stator magnet using the magnetization reversal technique

Yamada, Y. & Akatsu, K. 2016 Nov 2 Proceedings - 2016 22nd International Conference on Electrical Machines, ICEM 2016. Institute of Electrical and Electronics Engineers Inc., p. 60-65 6 p. 7732506

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetization reversal
Stators
Magnets
Coercive force
Poles
1 Citations

Design of axial type slot-less PMSM and systems for electric wheelbarrow

Okada, K. & Akatsu, K. 2016 Jan 18 2015 18th International Conference on Electrical Machines and Systems, ICEMS 2015. Institute of Electrical and Electronics Engineers Inc., p. 830-835 6 p. 7385149

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque
Finite element method
Reluctance motors
Magnetic materials
Fluxes
Composite materials
2 Citations

Design of Switched Reluctance Motors for electric hand tools

Mashiko, H. & Akatsu, K. 2016 Nov 2 Proceedings - 2016 22nd International Conference on Electrical Machines, ICEM 2016. Institute of Electrical and Electronics Engineers Inc., p. 1572-1576 5 p. 7732733

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric tools
Hand tools
Reluctance motors
Torque
Permanent magnets

Electromagnetic force acquisition distributed in electric motor to reduce vibration

Ito, T. & Akatsu, K. 2016 Jan 18 2015 18th International Conference on Electrical Machines and Systems, ICEMS 2015. Institute of Electrical and Electronics Engineers Inc., p. 1329-1333 5 p. 7385245

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric motors
Stators
Reluctance motors
Strain gages
Poles

Harmonic current control for Interior Permanent Magnet Synchronous Machines applying current controller design method by using complex vectors

Okajima, Y. & Akatsu, K. 2016 Dec 21 Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society. IEEE Computer Society, p. 2815-2820 6 p. 7793428

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric current control
Permanent magnets
Controllers
Control systems
Transient analysis
1 Citations

Larger torque production strategy of multi-phase inverter-fed MATRIX motor using air-gap flux density

Hijikata, H., Sakai, Y., Akatsu, K. & Miyama, Y. 2016 Nov 2 Proceedings - 2016 22nd International Conference on Electrical Machines, ICEM 2016. Institute of Electrical and Electronics Engineers Inc., p. 1092-1097 6 p. 7732661

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque
Fluxes
Air
Traction motors
Electric motors
4 Citations

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
1 Citations

Study of high torque density interior permanent magnet synchronous motor with flexible orientation Nd2Fe14B sintered magnet

Akune, R., Akatsu, K., Fujihara, M. & Yamamoto, T. 2016 Nov 2 Proceedings - 2016 22nd International Conference on Electrical Machines, ICEM 2016. Institute of Electrical and Electronics Engineers Inc., p. 578-584 7 p. 7732584

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Synchronous motors
Permanent magnets
Magnets
Torque
Demagnetization
1 Citations

Study of switching method for MATRIX motor realizing variable characteristic

Sakai, Y., Hijikata, H., Akatsu, K., Miyama, Y. & Arita, H. 2016 Jul 13 2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016. Institute of Electrical and Electronics Engineers Inc., p. 3012-3017 6 p. 7512776

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric network topology
Electric potential
Traction motors
Electric current control
Automobiles

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
1 Citations

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
5 Citations

An accurate iron loss evaluation method based on finite element analysis for switched reluctance motors

Narita, K., Asanuma, T., Semba, K., Sano, H., Yamada, T., Aiso, K. & Akatsu, K. 2015 Oct 27 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., p. 4413-4417 5 p. 7310283

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reluctance motors
Iron
Finite element method
Eddy currents
Hysteresis loops
16 Citations

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

An examination of impedance matching in receiving side of wireless power transfer system operating at 13.56MHz

Sato, M., Trung, N. K. & Akatsu, K. 2015 Dec 18 2015 IEEE 2nd International Future Energy Electronics Conference, IFEEC 2015. Institute of Electrical and Electronics Engineers Inc., 7361563

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harmonic distortion
Networks (circuits)
Diodes

A novel single phase SRM simply driven by commercial AC power supply

Aiso, K. & Akatsu, K. 2015 Oct 27 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., p. 3878-3885 8 p. 7310208

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reluctance motors
Rotors (windings)
Domestic appliances
Fans
Diodes
1 Citations

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
7 Citations

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
1 Citations

Direct torque control of permanent magnet synchronous motor using real-time simulator with FEA based motor model

Tanabe, R. & Akatsu, K. 2015 Oct 27 2015 17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015. Institute of Electrical and Electronics Engineers Inc., 7309273

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque control
Synchronous motors
Permanent magnets
Simulators
Finite element method