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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Previous articles were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
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Article

Advanced Redundancy Technology for a Drive System Using In-Wheel Motors

by
Kiyomoto Kawakami
1,*,
Hidetoshi Tanabe
2,
Hiroshi Shimizu
1 and
Hiroichi Yoshida
1
1
Keio University, 144-8 Ogura, Saiwai-ku, Kawasaki, 212-0054, Japan
2
Keio Research Institute at SFC, 144-8 Ogura, Saiwai-ku, Kawasaki, 212-0054, Japan
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2007, 1(1), 46-53; https://doi.org/10.3390/wevj1010046
Published: 28 March 2008

Abstract

In electric vehicles that use in-wheel motors, the right and left traction forces become unbalanced if a motor malfunctions by motor lock or loss of traction, generating yaw moment. Control methods were designed to reduce this effect by stopping the motor output on the opposite side of the same axle. By using a prototype “Eliica” car, the maximum yaw rate and lateral acceleration were compared for a breakdown of one motor with the results from the “Sensitivity to lateral wind” indicated in Z108-76 of the Japanese Automobile Standards Organization. Under redundancy control, the test results were confirmed to be below the tolerance limits
Keywords: Wheel Motor; Inverter, Control System; Vehicle Stability; Safety Wheel Motor; Inverter, Control System; Vehicle Stability; Safety

Share and Cite

MDPI and ACS Style

Kawakami, K.; Tanabe, H.; Shimizu, H.; Yoshida, H. Advanced Redundancy Technology for a Drive System Using In-Wheel Motors. World Electr. Veh. J. 2007, 1, 46-53. https://doi.org/10.3390/wevj1010046

AMA Style

Kawakami K, Tanabe H, Shimizu H, Yoshida H. Advanced Redundancy Technology for a Drive System Using In-Wheel Motors. World Electric Vehicle Journal. 2007; 1(1):46-53. https://doi.org/10.3390/wevj1010046

Chicago/Turabian Style

Kawakami, Kiyomoto, Hidetoshi Tanabe, Hiroshi Shimizu, and Hiroichi Yoshida. 2007. "Advanced Redundancy Technology for a Drive System Using In-Wheel Motors" World Electric Vehicle Journal 1, no. 1: 46-53. https://doi.org/10.3390/wevj1010046

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