自诊断自适应智能复合材料结构系统的研究

Journal of Applied Sciences ›› 1999, Vol. 17 ›› Issue (1): 1-8.

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A Smart Composite Structure System of Self-Diagnostic and Self-Adaptive Strength

TAO BAOQI, SHI LIHUA, XIONG KE, LIANG DAKAI, YUAN SHENFANG

Research Institute of Smart Material and Structure Nanjing University of Aeronautics and Astronautics, Nanjing 210016

Received:1997-10-11 Online:1999-03-31 Published:1999-03-31

Abstract

Abstract: A smart composite structure system with embedded sensors and actuators is developed to realize the function of self-diagnostic and self-adaptive strength. Sensory systems employing optic fibers and piezoelectric elements are investigated. A frame type Shape Memory Allory(SMA) actuator is designed. The smart system can identify loads and damages of the structure by using artificial neural networks and initiate adaptive control to the embedded SMA to improve the structural strength.

Key words: composites, sensor, actuator, smart structure

TAO BAOQI, SHI LIHUA, XIONG KE, LIANG DAKAI, YUAN SHENFANG. A Smart Composite Structure System of Self-Diagnostic and Self-Adaptive Strength[J]. Journal of Applied Sciences, 1999, 17(1): 1-8.

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A Smart Composite Structure System of Self-Diagnostic and Self-Adaptive Strength

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