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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue 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.
Open AccessArticle

A New Sensorless Drive Control System for Transmissionless EVs Using a Permanent-Magnet Synchronous Motor

Dept. of Electrical Engineering, Kanagawa University 3-27-1 Rokkakubashi, Kanagawaku, Yokohama 221-8686 Japan
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World Electr. Veh. J. 2007, 1(1), 1-9; https://doi.org/10.3390/wevj1010001
Published: 28 December 2007
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Abstract

One of the most important technologies for electric vehicles (EVs) will be drive control technology for main traction motors. It is desired for the drive control system to have the following characteristics: 1) it is based on vector control methods that allow quick, efficient and/or precise torque production; 2) it can produce 150-250% rated torque at standstill and can have wide driving-range, consequently can allow development of EVs with no variable-transmission; 3) it does not require a position/speed sensor for controlling motor drive, which has been mounted on a rotor shaft. This paper proposes a new sensorless drive control system for such EVs using a permanent-magnet synchronous motor as a main traction motor. Potential usefulness of the proposed drive control system is examined through the development of a prototype EV capable of driving on public road.
Keywords: electrical drive; controller and control system; synchronous motor; sensorless; transmissionless electrical drive; controller and control system; synchronous motor; sensorless; transmissionless
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Shinnaka, S.; Takeuchi, S. A New Sensorless Drive Control System for Transmissionless EVs Using a Permanent-Magnet Synchronous Motor. World Electr. Veh. J. 2007, 1, 1-9.

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