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Article
1997

Sensorless Speed Estimation of Primary and Secondary Resistance and Output Voltage Compensation of Induction Motor

K.Akatsu, K. A., A.Kawamura, A. K. & Akatsu, K., 1997 Jan 1, In : Conference Record of PCC 97. p. 73-78

Research output: Contribution to journalArticle

Simultaneous Estimation of the Speed and the Secondary Resistance under the Transient State of Induction Motor

K.Akatsu, K. A., A.Kawamura, A. K. & Akatsu, K., 1998 Jun 1, In : Conference Record of ICPE 98. p. 298-303

Research output: Contribution to journalArticle

4 Citations (Scopus)
2000

Online rotor resistance estimation using the transient state under the speed sensorless control of induction motor

Akatsu, K. & Kawamura, A., 2000 Dec 3, In : IEEE Transactions on Power Electronics. 15, 3, p. 553-560 8 p.

Research output: Contribution to journalArticle

66 Citations (Scopus)
66 Citations (Scopus)
78 Citations (Scopus)

Zero Speed Sensorless Control of Induction Motor with Ideal Voltage Source

Akatsu, K. & Kawamura, A., 2000, In : IEEJ Transactions on Industry Applications. 120, 12, p. 1408-1418 11 p.

Research output: Contribution to journalArticle

2004
Open Access

Automatic Design Method for PM Motor which satisfies the Output NT Requirements

Akatsu, K., Wakui, S. & Arimitsu, M., 2004 Sep 1, In : IEEJ Transactions on Industry Applications. 124, 9, p. 946-955 10 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Development of velocity sensor with high frequency band using inverse notch filter

Wakui, S., Noda, A., Akiyama, T. & Akatsu, K., 2004 Dec, In : Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 70, 12, p. 3427-3433 7 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Optimum design method for PM motor from the required output NT characteristics

K.Akatsu, K. A., S.Wakui, S. W. & Akatsu, K., 2004 Sep 3, In : Conference Record of EPE-PEMC 2004. p. A51250

Research output: Contribution to journalArticle

2005

Field intensify controlled IPMSM with normal saliency

K.Akatsu, K. A., S.Wakui, S. W., M.Arimitsu, M. A. & Akatsu, K., 2005 Apr 1, In : Conference Record of IPEC 2005. p. S35-1

Research output: Contribution to journalArticle

Low voltage output compensation of PWM inverter adding a DC-converter

M.Shibanuma, M. S., K.Akatsu, K. A., S.Wakui, S. W. & Akatsu, K., 2005 Apr 1, In : Conference Record of IPEC 2005. p. S18-4

Research output: Contribution to journalArticle

2006
2 Citations (Scopus)

Comparing Coupling Analysis with Experimental Results for an Interior PM Machine

K.Akatsu, K. A., Lorenz, R. D. & Akatsu, K., 2006 Nov 1, In : International Conference on Electric Machines and Systems 2006. p. LS2A-1

Research output: Contribution to journalArticle

Design and control of a field intensified interior permanent magnet synchronous machine

Akatsu, K., Arimitsu, M. & Wakui, S., 2006 Jul 14, In : IEEJ Transactions on Industry Applications. 126, 7, p. 827-834 8 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Design and Control of a Field Intensify Interior Permanent Magnet Synchronous Machine

Akatsu, K., Arimitsu, M. & Wakui, S., 2006 Jul 1, In : IEEJ Trans. on IAS. 126, p. 827-834

Research output: Contribution to journalArticle

Torque and Power Density Comparison between Fractional-slot Concentrated Winding SPMSMs

K.Akatsu, K. A., S.Wakui, S. W. & Akatsu, K., 2006 Nov 1, In : International Conference on Electric Machines and Systems 2006. p. DS3F1-11

Research output: Contribution to journalArticle

2007

A design method of fractional-slot concentrated winding SPMSM using winding factor and inductance factor

Akatsu, K. & Wakui, S., 2007 Dec 1, In : IEEJ Transactions on Industry Applications. 127, 11, p. 1171-1179+9

Research output: Contribution to journalArticle

9 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

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)

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)
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)
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

18 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

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)
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

75 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

61 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)
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

47 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