Robust H infinity control of hysteresis in a piezoelectric stack actuator

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    9 Citations (Scopus)

    Abstract

    This paper describes a method for controlling a piezoelectric stack actuator with hysteresis nonlinearity. The actuator used is a high-performance monolithic multilayer piezo actuator. The proposed control method involves a circuit, which was built with a capacitor in series with the piezo actuator to provide a measured output voltage which is proportional to the charge on the piezo actuator.The controller is designed based on a model of the hysteresis nonlinearity constructed using experimental data. The paper considers a robust H infinity tracking controller to control the piezoelectric actuator. The controller is designed using an uncertain system model. Simulation results show that the controller can significantly reduce the effect of the hysteresis nonlinearity.

    Original languageEnglish
    Title of host publicationProceedings of the 17th World Congress, International Federation of Automatic Control, IFAC
    Edition1 PART 1
    DOIs
    Publication statusPublished - 2008
    Event17th World Congress, International Federation of Automatic Control, IFAC - Seoul, Korea, Republic of
    Duration: 6 Jul 200811 Jul 2008

    Publication series

    NameIFAC Proceedings Volumes (IFAC-PapersOnline)
    Number1 PART 1
    Volume17
    ISSN (Print)1474-6670

    Conference

    Conference17th World Congress, International Federation of Automatic Control, IFAC
    Country/TerritoryKorea, Republic of
    CitySeoul
    Period6/07/0811/07/08

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