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
Event21st IEEE International Conference on Electronics Circuits and Systems - Marseille, France
Duration: 7 Dec 201410 Dec 2014

Conference

Conference21st IEEE International Conference on Electronics Circuits and Systems
CountryFrance
CityMarseille
Period07/12/201410/12/2014

Keywords

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

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