Modern control techniques for semi-active suspension systems are compared in this paper in a new generalized framework regarding the experimental validation and the performance evaluation. Especially the performance of a hybrid model predictive controller is analyzed and it is shown that it is resembled by a clipped optimal controller even if a realistic nonlinear damper characteristic is considered. In order to take the dissipative nature of the semi-active damper into account the clipped optimal controller design is furthermore extended by a dissipativity constraint for the damper force. The control concepts are compared with skyhook based techniques using a quarter-vehicle test rig for the experimental validation. Thereby it is shown that in the realistic experimental setup, model based control approaches offer a performance improvement over conventional skyhook algorithms.


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    Title :

    Benchmark of semi-active suspension controllers in real-time application


    Contributors:


    Publication date :

    2011


    Size :

    12 Seiten, 5 Bilder, 4 Tabellen, 19 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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