Accurate wheel speed measurement for sensorless ABS in electric vehicle

Dadashnialehi, A, Bab-Hadiashar, A, Cao, Z and Kapoor, A 2012, 'Accurate wheel speed measurement for sensorless ABS in electric vehicle', in Tankut Acarman (ed.) Proceedings of the 2012 IEEE International Conference on Vehicular Electronics and Safety, ICVES 2012, Istanbul, Turkey, 24-27 July 2012, pp. 37-42.


Document type: Conference Paper
Collection: Conference Papers

Title Accurate wheel speed measurement for sensorless ABS in electric vehicle
Author(s) Dadashnialehi, A
Bab-Hadiashar, A
Cao, Z
Kapoor, A
Year 2012
Conference name ICVES 2012
Conference location Istanbul, Turkey
Conference dates 24-27 July 2012
Proceedings title Proceedings of the 2012 IEEE International Conference on Vehicular Electronics and Safety, ICVES 2012
Editor(s) Tankut Acarman
Publisher IEEE
Place of publication United States
Start page 37
End page 42
Total pages 6
Abstract The In-Wheel technology is emerging as the dominant drive system for electric vehicles. The existence of an electric motor at each wheel provides opportunities for development of efficient intelligent brakes for In-Wheel cars. This paper considers the practical realization of a sensorless ABS for In-Wheel Electric Vehicles. In the proposed braking system, the wheel speed is estimated from the back EMF of the In-Wheel motor, which makes the conventional wheel speed sensor redundant. The paper also introduces an effective denoising method using the wavelet packet technique, to increase the accuracy of the wheel speed measurement by the back EMF signal of the In-Wheel motor. The proposed strategy has also been implanted on a conventional ABS braking test rig. The experimental results showed that the proposed system can adequately replace the conventional ABS wheel speed sensor.
Subjects Automotive Mechatronics
Signal Processing
Keyword(s) Back-emf
braking system
denoising methods
drive systems
in-wheel
in-wheel motor
practical realizations
sensorless
test rigs
wavelet packet
wheel speed
wheel speed sensors
DOI - identifier 10.1109/ICVES.2012.6294313
Copyright notice © 2012 IEEE
ISBN 9781467309929
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