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TECHNICAL BRIEFS

Experimental Study of the Robust Tracking Control of a Shape Memory Alloy Wire Actuator

[+] Author and Article Information
G. Song

Department of Mechanical Engineering, University of Houston, Houston, TX 77204-4006 e-mail: gsong@uh.edu

D. D. Quinn

Department of Mechanical Engineering, University of Akron, Akron, OH 44325

J. Dyn. Sys., Meas., Control 126(3), 674-677 (Dec 03, 2004) (4 pages) doi:10.1115/1.1792652 History: Online December 03, 2004
Copyright © 2004 by ASME
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References

Figures

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The single SMA wire test stand
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Hysteresis loop of the SMA wire actuator
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Desired and actual displacements
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Position error (RMS error: 0.063 mm)
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Applied voltage (top) and current (bottom)
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Desired and actual displacement in case of nonlinear sliding surface
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Position error (RMS error: 0.046 mm) in case of nonlinear sliding surface
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Applied voltage (top) and current (bottom) in case of nonlinear sliding surface

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