Design of a piezoelectric rotation actuator

Jan Holterman, Theo J.A. de Vries, Bayan Babakhani, Dannis M. Brouwer

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    Abstract

    In order to facilitate active damping within a linear motion system, a self-sensing piezoelectric rotation actuator has been designed. The rotation actuator consists of two piezoelectric stacks that function as linear actuators, embedded in a mechanical interface with several elastic elements, thus allowing for an efficient transformation of linear deformation into rotational motion. Each stack consists of a d33 ceramic multilayer actuator and a d33 ceramic single layer sensor. Key issues in the design are - the trade-off between strength and stiffness of the elastic elements on the one hand and actuator stroke at the other hand - appropriate integration of piezoelectric force sensors so as to allow for active damping based on collocated control - practical mechanical considerations e.g. gluing, preloading, stroke limitation so as to ensure correct loading of the piezoelectric actuators The rotation actuator as such comprises many of the typical design trade-offs as encountered when using piezoelectric elements in a mechatronic application.
    Original languageEnglish
    Pages92-92
    Number of pages1
    Publication statusPublished - 27 Jun 2012
    EventElectroceramics XIII 2012 - University of Twente, Enschede, Netherlands
    Duration: 24 Jun 201227 Jun 2012
    Conference number: 13

    Conference

    ConferenceElectroceramics XIII 2012
    CountryNetherlands
    CityEnschede
    Period24/06/1227/06/12

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  • Cite this

    Holterman, J., de Vries, T. J. A., Babakhani, B., & Brouwer, D. M. (2012). Design of a piezoelectric rotation actuator. 92-92. Abstract from Electroceramics XIII 2012, Enschede, Netherlands.