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Controller Development for an Automotive Shape Memory Alloy Actuator

[+] Author Affiliations
Eric A. Williams

Virginia Polytechnic Institute and State University, Blacksburg, VA

Mohammad Elahinia

University of Toledo, Toledo, OH

Thomas M. Seigler

University of Kentucky, Lexington, KY

Paper No. IMECE2007-43420, pp. 349-354; 6 pages
doi:10.1115/IMECE2007-43420
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 10: Mechanics of Solids and Structures, Parts A and B
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4304-1 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME

abstract

Shape memory alloy actuators are inherently nonlinear and require a robust control scheme to guarantee rapid tracking and sufficient position control performance. In this paper, a control scheme is developed for an automotive shape memory alloy actuator that is used to orient an external rear view mirror to match desired set-points. The formulation of appropriate models and control laws are presented. Experiments of the controller in a real-time environment are performed and results are presented.

Copyright © 2007 by ASME

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