Class-D amplifier design and performance for driving a Piezo Actuator Drive servomotor.

Tiberiu-Gabriel Zsurzsan, Zhe Zhang, Michael A. E. Andersen, Nils Axel Andersen

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    Abstract

    This paper investigates the behavior of piezoelectric stacks in a Piezoelectric Actuator Drive (PAD) motor, which shows non-linear equivalent impedance and has a dramatic impact on the overall system performance. Therefore, in this paper, the piezo stackt’s model is discussed and an improved large signal model is proposed and verified by measurement. Finally, a Class-D amplifier as a power driver and its associated closed-loop control are implemented and tested to control PAD drive effectively.
    Original languageEnglish
    Title of host publicationProceedings of 2016 IEEE International Conference on Industrial Technology
    PublisherIEEE
    Publication date2016
    Pages1068-1072
    ISBN (Print)978-1-4673-8074-4
    DOIs
    Publication statusPublished - 2016
    Event2016 IEEE International Conference on Industrial Technology - Howard Plaza Hotel, Taipei, Taiwan, Province of China
    Duration: 14 Mar 201617 Mar 2016
    https://ieeexplore.ieee.org/xpl/conhome/7468873/proceeding

    Conference

    Conference2016 IEEE International Conference on Industrial Technology
    LocationHoward Plaza Hotel
    Country/TerritoryTaiwan, Province of China
    CityTaipei
    Period14/03/201617/03/2016
    Internet address

    Keywords

    • Piezoelectricity
    • Motor
    • Control

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