The Design of Extended Bandwidth Shape Memory Alloy Actuators

Extending the usable bandwidth of shape memory alloy actuators for vibration control is investigated, both analytically and experimentally. The differential actuator, which uses SMA wires in agonist-antagonist pairs, is a potential solution. Simulation shows that only modest power requirements are n...

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Bibliographic Details
Published in:Journal of intelligent material systems and structures 1996-11, Vol.7 (6), p.635-645
Main Authors: Ditman, Jason B., Bergman, Lawrence A., Tsao, Tsu-Chin
Format: Article
Language:English
Subjects:
Exact sciences and technology
General equipment and techniques
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
Transducers
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Summary:Extending the usable bandwidth of shape memory alloy actuators for vibration control is investigated, both analytically and experimentally. The differential actuator, which uses SMA wires in agonist-antagonist pairs, is a potential solution. Simulation shows that only modest power requirements are necessary to achieve bandwidths between 10 and 20 Hz.
ISSN:1045-389X
1530-8138
DOI:10.1177/1045389X9600700603