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Intelligent sensorless ABS for regenerative brakes

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4 Author(s)
Amir Dadashnialehi ; Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn 3122, Victoria, Australia ; Zhenwei Cao ; Ajay Kapoor ; Alireza Bab-Hadiashar

The emergence of In-Wheel technology and the fact that an electric machine is embedded in each corner of an Electric Vehicle (EV) has profound effect on vehicle design. An electric motor is now available at each wheel and we show that the output of those motors can be used to eliminate the wheel speed sensor of a conventional ABS design. The paper analyses the transient behavior of the back EMF signal of the In-Wheel motor for a range of challenging braking scenarios using the wavelet technique. The analysis showed that the proposed method is capable of extracting important features related to changes in road conditions during the activation of ABS.

Published in:

Electric Vehicle Conference (IEVC), 2012 IEEE International

Date of Conference:

4-8 March 2012