Sliding Mode Variable Structure Control for Electric Power Steering System

Pei Lin Shi; Guan Lin Xu; Shao Feng Tang; Jun Jie Tang

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

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Sliding Mode Variable Structure Control for...

Sliding Mode Variable Structure Control for Electric Power Steering System

Abstract:

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.

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Periodical:

Applied Mechanics and Materials (Volumes 44-47)

Pages:

1056-1060

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.1056

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Online since:

December 2010

Authors:

Pei Lin Shi, Guan Lin Xu, Shao Feng Tang, Jun Jie Tang

Keywords:

Electric Power Steering System, Exponential Approach Law, Sliding Mode Variable Structure Control

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References

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