This paper presents an approach to design a delay-dependent non-fragile H/L2–L static output feedback (SOF) controller for active suspension with input time-delay. The control problem of quarter-car active suspension with actuator time-delay is formulated to a H/L2–L control problem. By employing a delay-dependent Lyapunov function, new existence conditions of delay-dependent non-fragile SOF H controller and L2–L controller are derived, respectively, in terms of the feasibility of bilinear matrix inequalities (BMIs). Then, a procedure based on linear matrix inequality optimisation and a hybrid algorithm of the particle swarm optimisation and differential evolution is used to solve an optimisation problem with BMI constraints. Design and simulation results of non-fragile H/L2–L controller for active suspension show that the designed controller not only can achieve the optimal performance and stability of the closed-loop system in spite of the existence of the actuator time-delay, but also has significantly improved the non-fragility characteristics over controller perturbations.


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    Titel :

    Non-fragile multi-objective static output feedback control of vehicle active suspension with time-delay


    Beteiligte:
    Kong, Yongsu (Autor:in) / Zhao, Dingxuan (Autor:in) / Yang, Bin (Autor:in) / Han, Chenghao (Autor:in) / Han, Kyongwon (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 52 , 7 ; 948-968


    Erscheinungsdatum :

    03.07.2014


    Format / Umfang :

    21 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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