Observer design for active suspension system using sliding mode control

The purpose of this paper is to describe the designing method of an observer for active suspension system by using sliding mode control (SMC). In this regard, for a controlling strategy, the sliding mode has been chosen, and the observer design is used for road profile estimation. It is demonstrated...

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Bibliographic Details
Main Authors: Akbari, E, Farsadi, M, Mat Darus, Intan Z, Ghelichi, R
Format: Conference Proceeding
Language:English
Subjects:
active suspension system
component
Computational modeling
Computers
linear quadratic regulator
Mathematical model
observer
sliding mode control
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Summary:The purpose of this paper is to describe the designing method of an observer for active suspension system by using sliding mode control (SMC). In this regard, for a controlling strategy, the sliding mode has been chosen, and the observer design is used for road profile estimation. It is demonstrated theoretically and by computer simulations that the proposed controller will enhance the road handling performances for the active suspension system compared with the passive suspension system. Comparison between the efficiency of the final controller and linear quadratic regulator embedded in Matlab-Simulink is made. The mathematical modelling and simulation studies proved that SMC with disturbance observer strategy has better performance than LQR control system and the ability to absorb disturbance for SMC is much better than LQR controller.
DOI:10.1109/SCORED.2010.5704003