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Proceedings Article

Low-cost piezocomposite actuator for structural control applications

[+] Author Affiliations
William K. Wilkie, Robert G. Bryant, James W. High, Robert L. Fox, Richard F. Hellbaum, Anthony Jalink, Jr., Bruce D. Little, Paul H. Mirick

NASA Langley Research Ctr. (USA)

Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, 323 (June 12, 2000); doi:10.1117/12.388175
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From Conference Volume 3991

  • Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies
  • Jack H. Jacobs
  • Newport Beach, CA | March 06, 2000

abstract

The design, manufacture, and testing of a low-cost, flexible, planar composite piezoceramic actuator device will be presented. The actuator uses interdigitated electrodes for poling and subsequent actuation of an internal layer of machined piezoceramic fibers. The fiber sheets are formed from monolithic piezoceramic wafers and conventional computer controlled wafer-dicing methods. The fabrication and use of fiber sheets allows precise handing and alignment of piezoceramic fibers during subsequent phases of actuator assembly. Test show that the actuator is capable of producing large, directional in-plane strains; on order of 2000 parts-per-million under a 4000 V peak-to-peak applied voltage cycle. Preliminary endurance testing indicates that the device is relatively durable, with no reductions in free-strain performance up to 90 million electrical cycles.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

William K. Wilkie ; Robert G. Bryant ; James W. High ; Robert L. Fox ; Richard F. Hellbaum, et al.
"Low-cost piezocomposite actuator for structural control applications", Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, 323 (June 12, 2000); doi:10.1117/12.388175; http://dx.doi.org/10.1117/12.388175


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