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Proceedings Paper

Electrical and mechanical field interactions of piezoelectric systems: foundation of smart-structure-based piezoelectric sensors and actuators, piezotransformers, and free-fall sensors
Author(s): Chih Kung Lee; Yu Hsiang Hsu; Wendy Wen-Hsin Hsiao; Jeremy W. J. Wu
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Paper Abstract

A series of new design viewpoints for piezoelectric systems are detailed which integrates a method that can introduce no-phase delay filters into finite structures as well as which extends the distributed sensor concept to the design of traditional point sensors can be shown to expand the design freedom of piezoelectric sensors and actuators. An inertia-based free-fall sensor that can measure the start of free-fall motion as well as a piezoelectric transformer with a voltage conversion efficiency higher than 99% are two of the examples used to demonstrate the wide applicability of these new concepts.

Paper Details

Date Published: 14 August 2003
PDF: 15 pages
Proc. SPIE 5054, Smart Structures and Materials 2003: Industrial and Commercial Applications of Smart Structures Technologies, (14 August 2003); doi: 10.1117/12.510378
Show Author Affiliations
Chih Kung Lee, National Taiwan Univ. (Taiwan)
Yu Hsiang Hsu, National Taiwan Univ. (Taiwan)
Wendy Wen-Hsin Hsiao, Advance Wave Technology, Inc. (Taiwan)
Jeremy W. J. Wu, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 5054:
Smart Structures and Materials 2003: Industrial and Commercial Applications of Smart Structures Technologies
Eric H. Anderson, Editor(s)

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