Sliding Mode Variable Structure Control for Electric Power Steering System

Abstract:

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There are many uncertain factors because of the nonlinearity of system and the road surface interference in the electric power steering system (EPS), and a PID controller is only used suitably when the system is a linear system and the system parameters are certain. A sliding mode variable structure controller which is based on the exponential approach law is proposed for EPS for the nonlinear system and the road surface disturbance. Simulation shows that the proposed controller has the steady performance and the dynamic performance, and its sliding mode is absolutely self-adaptive, so the sliding mode controller can be used to robust control for electric power steering system.

Info:

Periodical:

Edited by:

Ran Chen

Pages:

1056-1060

DOI:

10.4028/www.scientific.net/AMM.44-47.1056

Citation:

P. L. Shi et al., "Sliding Mode Variable Structure Control for Electric Power Steering System", Applied Mechanics and Materials, Vols. 44-47, pp. 1056-1060, 2011

Online since:

December 2010

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Price:

$35.00

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