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A Hybrid Actuation System Demonstrating Significantly Enhanced Electromechanical PerformanceA hybrid actuation system (HYBAS) utilizing advantages of a combination of electromechanical responses of an electroactive polymer (EAP), an electrostrictive copolymer, and an electroactive ceramic single crystal, PZN-PT single crystal, has been developed. The system employs the contribution of the actuation elements cooperatively and exhibits a significantly enhanced electromechanical performance compared to the performances of the device made of each constituting material, the electroactive polymer or the ceramic single crystal, individually. The theoretical modeling of the performances of the HYBAS is in good agreement with experimental observation. The consistence between the theoretical modeling and experimental test make the design concept an effective route for the development of high performance actuating devices for many applications. The theoretical modeling, fabrication of the HYBAS and the initial experimental results will be presented and discussed.
Document ID
20040055982
Acquisition Source
Langley Research Center
Document Type
Other
Authors
Su, Ji
(NASA Langley Research Center Hampton, VA, United States)
Xu, Tian-Bing
(National Inst. of Aerospace Research Hampton, VA, United States)
Zhang, Shujun
(Pennsylvania State Univ. University Park, PA, United States)
Shrout, Thomas R.
(Pennsylvania State Univ. University Park, PA, United States)
Zhang, Qiming
(Pennsylvania State Univ. University Park, PA, United States)
Date Acquired
September 7, 2013
Publication Date
February 19, 2004
Subject Category
Nonmetallic Materials
Report/Patent Number
LAR-16698-1
Report Number: LAR-16698-1
Meeting Information
Meeting: SPIE 11th Annual International Symposium on Smart Structures and Materials
Location: San Diego, CA
Country: United States
Start Date: March 14, 2004
End Date: March 18, 2004
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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