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Fuzzy Preview Control for Half-vehicle Electro-hydraulic Suspension System

Hyun Duck Choi, Chang Joo Lee, and Myo Taeg Lim*
International Journal of Control, Automation, and Systems, vol. 16, no. 5, pp.2489-2500, 2018

Abstract : "This paper proposes a new fuzzy preview control method for an electro-hydraulic suspension system to further improve the suspension performance and extend the results to practical situations that use the actual actuator in a preview suspension system. A new augmented system that includes hydraulic actuators and preview information of road disturbances is proposed and described by the T-S fuzzy system. Based on the parallel distributed compensation (PDC) and multi-objective H∞=GH2 control design scheme, the fuzzy preview controller is designed for a newly obtained model in which the closed-loop suspension system is asymptotically stable with guaranteed robust performance in the H∞ sense. The simulation results clearly validate the effectiveness of the proposed controllers in terms of its suspension performance."

Keyword : "Electro-hydraulic suspension system, fuzzy preview control, half-vehicle suspension system, multiobjective H∞=GH2 control, parallel distributed compensation (PDC), Takagi-Sugeno (T-S) fuzzy systems."

 
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