Design of Displacement-Amplified Induced-Strain Actuators for Maximum Energy Output

[+] Author and Article Information
V. Giurgiutiu, C. A. Rogers

University of South Carolina, 300 S. Main St., Columbia, SC 29208

Z. Chaudhry

United Technologies Research Center, 411 Silver Lane, MS 129-73, East Hartford, CT 06108

J. Mech. Des 119(4), 511-517 (Dec 01, 1997) (7 pages) doi:10.1115/1.2826397 History: Received January 01, 1996; Revised July 01, 1997; Online December 11, 2007


General stiffness concepts for effective use of induced strain principles as they apply to quasi-static actuation of structures and devices are presented. The conventional induced-strain actuator is first reviewed. The effect of structural elasticity is then discussed. Basic principles of displacement amplification are presented. The influences of structural and amplification elasticity are then discussed. An example of effective induced-strain actuator design with displacement amplification is provided.

Copyright © 1997 by The American Society of Mechanical Engineers
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