Active vibration reduction for lightweight structures has attracted more and more attention in automotive industries. In this paper, reduced-order controllers are designed based on H∞ techniques to realize vibration reduction. A finite element model of piezo-based smart structure is constructed from which a nominal model containing 5 modes and validation model containing 10 modes are extracted. A mixed-sensitivity robust H∞ controller is firstly designed based on the nominal structural model. Considering the ease of controller deployment, an order reduction for the controller is then exploited using balanced truncation method. The effectiveness of the reduced-order controller is finally verified on the validation model via system simulations.


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    Title :

    Reduced-Order Robust Controller Design for Vibration Reduction


    Additional title:

    Sae Technical Papers



    Conference:

    9th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference ; 2016



    Publication date :

    2016-06-15




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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