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Research Output 1997 2019

  • 1279 Citations
  • 16 h-Index
  • 131 Conference contribution
  • 70 Article
  • 1 Conference article
2019

A method to suppress vibration due to fabrication tolerance by using triple three-phase winding motor

Yang, K., Akatsu, K., Miyama, Y. & Okazaki, K., 2019 May 1, 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019. Institute of Electrical and Electronics Engineers Inc., p. 1863-1868 6 p. 8785114. (2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019).

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

Fabrication
Degradation
Stators
Permanent magnets
Rotors

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

Design challenges for 13.56MHz 10 kW resonant inverter for wireless power transfer systems

Trung, N. K. & Akatsu, K., 2019 May 1, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 8796928. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

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

Topology
Optimal design

Detection of static eccentricity on multi-three-phase permanent magnet synchronous motors by the harmonics of no-load stator voltages

Okazaki, K., Miyama, Y. & Akatsu, K., 2019 May 1, 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019. Institute of Electrical and Electronics Engineers Inc., p. 671-677 7 p. 8785146. (2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019).

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

Synchronous motors
Stators
Permanent magnets
Electric potential
Torque

Investigation of Current Measurement Method of Bonding Wire by using GMR Sensor

Tamori, T. & Akatsu, K., 2019 May 1, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., p. 1990-1995 6 p. 8796967. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

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

Electric current measurement
Wire
Sensors
Heat generation

Optimal carrier phase-shift angle on dual three-phase windings permanent magnet synchronous motor

Miyama, Y. & Akatsu, K., 2019 May 1, 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019. Institute of Electrical and Electronics Engineers Inc., p. 1362-1367 6 p. 8785258. (2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019).

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

Synchronous motors
Phase shift
Permanent magnets
Torque
Electric potential

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

Study of High Speed SRM Using Vector Control for Electric Vehicle

Aiso, K., Takahashi, M. & Akatsu, K., 2019 May 1, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 8797052. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

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

Reluctance motors
Electric vehicles
Switching frequency
Acoustic noise
Vibrations (mechanical)

The Study on Position Sensor Fault Detection and Algorithm Transition from Sensored to Sensorless Control for IPMSM

Lee, D. & Akatsu, K., 2019 May 1, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 8797094. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

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

Synchronous motors
Fault detection
Permanent magnets
Sensors
Deceleration

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

An improved speed and position estimator for transient performance of back-EMF self-sensing for IPMSM

Lee, D. & Akatsu, K., 2018 Dec 26, Proceedings: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society. Institute of Electrical and Electronics Engineers Inc., p. 397-402 6 p. 8591825. (Proceedings: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society).

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

Electromotive force
Synchronous motors
Permanent magnets
Phase locked loops
Rotors

A novel flux switching magnetic gear for high speed motor system

Aiso, K., Akatsu, K. & Aoyama, Y., 2018 Dec 26, Proceedings: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society. Institute of Electrical and Electronics Engineers Inc., p. 337-342 6 p. 8591753. (Proceedings: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society).

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

Gears
Fluxes
Strength of materials
Torque
Rotors

A Novel Magnetic Multiple Spur Gear for High Speed Motor System

Aiso, K., Akatsu, K. & Aoyama, Y., 2018 Dec 3, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 3310-3316 7 p. 8557627

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

Spur gears
Gears
Fluxes
Modulation
Eddy currents

A Novel Self Cooling SRM for Electric Hand Tools

Koinuma, K., Aiso, K. & Akatsu, K., 2018 Dec 3, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 6116-6120 5 p. 8557901

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

Electric tools
Hand tools
Reluctance motors
Synchronous motors
Cooling
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
4 Citations (Scopus)

Carrier Harmonic Loss Reduction Technique on Dual Three-Phase Permanent-Magnet Synchronous Motors with Phase-Shift PWM

Miyama, Y., Kometani, H. & Akatsu, K., 2018 Oct 22, 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., p. 711-717 7 p. 8508020

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

Synchronous motors
Phase shift
Pulse width modulation
Permanent magnets
Fluxes

Efficiency Improvement for Multi-Position of Receiver in 13.56 MHz Wireless Power Transfer Coupling System

Tri, C. N. & Akatsu, K., 2018 Dec 26, Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018. Institute of Electrical and Electronics Engineers Inc., 8590220. (Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018).

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

Electric vehicles
Transmitters
Magnetic resonance

Extremely compact half-bridge SiC power modules built into EV in-wheel motor

Tanimoto, S., Hara, A., Yamashita, M., Suzuki, T., Araki, S., Sato, S. & Akatsu, K., 2018 Jan 1, Silicon Carbide and Related Materials, 2017. Dudley, M., Lelis, A., Stahlbush, R., Neudeck, P., Bhalla, A. & Devaty, R. P. (eds.). Trans Tech Publications Ltd, p. 849-853 5 p. (Materials Science Forum; vol. 924 MSF).

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

wheels
Wheels
Electric vehicles
vehicles
pulses

Larger Torque Production Method for Multi-Phase MATRIX Motor Using Online Air-Gap Flux Density Control

Sakamoto, S., Okajima, Y. & Akatsu, K., 2018 Nov 27, ICEMS 2018 - 2018 21st International Conference on Electrical Machines and Systems. Institute of Electrical and Electronics Engineers Inc., p. 1213-1217 5 p. 8549399

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

Torque
Fluxes
Electric motors
Air
Stators

Minimization of torque ripple in an inset type magnet reluctance motor with square wave current

Ito, Y. & Akatsu, K., 2018 Oct 24, Proceedings - 2018 23rd International Conference on Electrical Machines, ICEM 2018. Institute of Electrical and Electronics Engineers Inc., p. 1593-1597 5 p. 8506913

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

Reluctance motors
Magnets
Torque
Synchronous motors
Magnetic flux

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

Scalability and Key Tradeoffs of Variable Flux PM Machines for EV Traction Motor Systems

Athavale, A., Reigosa, D., Akatsu, K., Sakai, K. & Lorenz, R. D., 2018 Dec 3, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 2292-2299 8 p. 8558007

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

Traction motors
Permanent magnets
Scalability
Fluxes
Finite element method

Study of Inverter Integrated SRM with Vector Control

Matsumoto, M. & Akatsu, K., 2018 Nov 27, ICEMS 2018 - 2018 21st International Conference on Electrical Machines and Systems. Institute of Electrical and Electronics Engineers Inc., p. 1169-1174 6 p. 8549077

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

Reluctance motors
Vector spaces
Microcomputers
Pulse width modulation
Controllers

Study of Switched Reluctance Motor Directly Driven by Commercial Three-phase Power Supply

Takahashi, M., Aiso, K. & Akatsu, K., 2018 Oct 22, 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., p. 3186-3191 6 p. 8507682

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

Reluctance motors
Induction motors
Diodes
Torque
Rotors
1 Citation (Scopus)

Technical Arrangement of High-Performance Techniques Achieved by Multi-Phase Permanent Magnet Synchronous Motor Systems

Miyama, Y. & Akatsu, K., 2018 Dec 3, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 1574-1580 7 p. 8557439

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

Synchronous motors
Permanent magnets
Torque
High performance
4 Citations (Scopus)

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
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
4 Citations (Scopus)

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
2 Citations (Scopus)
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

Networks (circuits)
Electric potential
Experiments
3 Citations (Scopus)

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
11 Citations (Scopus)

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
4 Citations (Scopus)

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

Wheels
Cooling systems
Heat problems
Heat sinks
Electric vehicles

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
2 Citations (Scopus)

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

High electron mobility transistors
Circuit simulation
Topology
Experiments
6 Citations (Scopus)

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

Switching frequency
Networks (circuits)
Topology
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

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

Neural networks
Controllers

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
Stators
Magnets
Magnetic fields
Coercive force
4 Citations (Scopus)

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

Gears
Fluxes
Rotors
Permanent magnets
Magnets
2 Citations (Scopus)

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
2 Citations (Scopus)

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

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)