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The effect of half-shaft torsion dynamics on the performance of a traction control system for electric vehicles

Sorniotti, A (2012) The effect of half-shaft torsion dynamics on the performance of a traction control system for electric vehicles Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 26 (9). pp. 1145-1159.

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Abstract

This article deals with the dynamic properties of individual wheel electric powertrains for fully electric vehicles, characterised by an in-board location of the motor and transmission, connected to the wheel through half-shafts. Such a layout is applicable to vehicles characterised by significant power and torque requirements where the adoption of in-wheel electric powertrains is not feasible because of packaging constraints. However, the dynamic performance of in-board electric powertrains, especially if adopted for anti-lock braking or traction control, can be affected by the torsional dynamics of the half-shafts. This article presents the dynamic analysis of in-board electric powertrains in both the time domain and the frequency domain. A feedback control system, incorporating state estimation through an extended Kalman filter, is implemented in order to compensate for the effect of the half-shaft dynamics. The effectiveness of the new controller is demonstrated through analysis of the improvement in the performance of the traction control system.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
AuthorsEmailORCID
Sorniotti, AUNSPECIFIEDUNSPECIFIED
Date : September 2012
Identification Number : 10.1177/0954407012440526
Additional Information : Published in Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 26 (9) 2012. Copyright 2012 Sage Publications.
Depositing User : Symplectic Elements
Date Deposited : 25 Feb 2014 18:46
Last Modified : 25 Feb 2014 18:46
URI: http://epubs.surrey.ac.uk/id/eprint/795426

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