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Proceedings Paper

Research on distributed curvature modal sensors with optical fiber on vibration measurement for thin structures
Author(s): Ling Zhou; Yang Li; Zhong Situ; Zhizhong Luo
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Paper Abstract

Thin structures have been applied widely in different areas of engineering. They are prone to elastic vibration when submit to external dynamic excitations or interference, which will not only lower system stability, but also threaten the people's lives. Thus, it is significant to research this topic in depth. Generally, many acceleration sensors are put on the cover of the structure to measure the vibrations. Also, strain sensors have been recently used for measuring vibration. However, strain is difficult to measure in thin structures and there are also limitations when applying multi-spot distributed measurement method. Based on the theory that the vibration of practical structure can be decoupled into multiple vibration modes, a new concept of curvature modal sensors with optical fiber is proposed to measure vibration modes.

Paper Details

Date Published: 2 September 2003
PDF: 5 pages
Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); doi: 10.1117/12.521758
Show Author Affiliations
Ling Zhou, Guangdong Univ. of Technology (China)
Yang Li, Guangdong Univ. of Technology (China)
Zhong Situ, Guangdong Univ. of Technology (China)
Zhizhong Luo, Guangdong Univ. of Technology (China)


Published in SPIE Proceedings Vol. 5253:
Fifth International Symposium on Instrumentation and Control Technology
Guangjun Zhang; Huijie Zhao; Zhongyu Wang, Editor(s)

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