An optimal preview control algorithm is applied to a two degree of freedom(dof) vehicle model travelling with constant velocity on a randomly profiled road. The road roughness is modelled as a homogeneous random process being the output of a linear first order filter to white noise. The input from the road irregularity is assumed to be measured at some distance in front of the vehicle and this measured infonnation is utilized by the active controller to prepare the system for the ensuing input. The preview control algorithm is obtained by minimizing a quadratic performance index and by describing the average behaviour of the system by the covariance matrix of the vehicle response state vector. Results are presented for full state feedback and significant improvements in sprung mass acceleration, suspension working space and road holding are observed.


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    Titel :

    Optimal Preview Control of a Two-dof Vehicle Model Using Stochastic Optimal Control Theory


    Beteiligte:
    SENTHIL, S. (Autor:in) / NARAYANAN, S. (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 25 , 6 ; 413-430


    Erscheinungsdatum :

    1996-06-01


    Format / Umfang :

    18 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




    Optimal preview control of a two-dof vehicle model using stochastic optimal control theory

    Senthil,S. / Narayanan,S. / Indian Inst.of Technology,IN | Kraftfahrwesen | 1996



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