The Proceedings of Conference of Kanto Branch
Online ISSN : 2424-2691
ISSN-L : 2424-2691
2004.10
Session ID : 07306
Conference information
Damage detection and gain-scheduled control in the metal core assisted piezoelectric fiber embedded in CFRP composite
Kiyoshi TAKAGIHiroshi SATO
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Abstract
This paper deals with damage detection and vibration control of a new smart board designed by mounting the piezoelectric fibers with metal core on the surface of the CFRP composite. The damage of the board is identified on the assumption that the piezoelectric fibers using a sensor and actuators are broken at the damaged location simultaneously. A finite element model a CFRP cantilever is established and the damage location is identified using the input-output signals. Furthermore, the liner fractional transformation (LFT) is formulated considering the damage location and the gain-scheduled controller considering the location is designed. The control performance of the proposed method is verified by simulation.
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© 2004 The Japan Society of Mechanical Engineers
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