Nonmagnetic driver for piezoelectric actuators

Marzieh Ekhtiari

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    Abstract

    Piezoelectric actuator drive aims to enable reliable motor performance in strong magnetic fields for magnetic res- onance imaging and computed tomography treatment tables. There are technical limitations in operation of these motors and drive systems related to magnetic interference. Piezoelectric actuator drive is the only form-fit continuous drive solution currently available for the development of high performance nonmagnetic motors. In this research focus will be on the non magnetic compact high efficiency driver for the piezo actuators and on employing energy recovery from the capacitive actuators. Therefore, piezoelectric transformer-based power converters are used for driving piezoelectric actuator drive motor in the presence of high electromagnetic field.
    Original languageEnglish
    Title of host publicationProceedings of ICECS 2014
    Number of pages2
    PublisherIEEE
    Publication date2014
    Publication statusPublished - 2014
    Event2014 IEEE 21st International Conference on Electronics Circuits and Systems - Marseille, France
    Duration: 7 Dec 201410 Dec 2014
    Conference number: 21
    https://ieeexplore.ieee.org/xpl/conhome/7041007/proceeding

    Conference

    Conference2014 IEEE 21st International Conference on Electronics Circuits and Systems
    Number21
    Country/TerritoryFrance
    CityMarseille
    Period07/12/201410/12/2014
    Internet address

    Keywords

    • PAD motor
    • Switch mode power supply
    • Piezo-electric actuator
    • Piezoelectric transformer

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