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L. B. SHEN, Z. M. ZHAO1,* , W. J. ZHANG1
- College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing City, Jiangsu Province 210016, People’s Republic of China
A self-healing system for fiber optic smart structure based on fuzzy control algorithm is presented. The system consists of light source, the liquid-core fiber optic smart structure, photoelectric detection circuit, A/D convertor, relay and micro controller. Light source contains communication light and repair light. The smart structure is made up of the composite embedded with the homemade liquid-core fiber. It plays a vital role in the system. The liquid is mix of oligomer, reactive diluent, photo initiator and auxiliary. Photoelectric detection circuit is used to convert the light signal into electrical signal. Micro-controller is responsible for collecting and processing photoelectric signal. The system software is designed using fuzzy inference algorithm to derive electromagnetic relay to control the switch between the communication light and repair light. Experiments are carried out by destroying the composite structures. The results show that the system is stable and reliable. It realizes the aim of damage self-repairing for composites..
Micro-controller, Optical fiber sensor, Fuzzy algorithm, Smart structure, Self-healing.
Submitted at: Jan. 24, 2016
Accepted at: April 6, 2017
L. B. SHEN, Z. M. ZHAO, W. J. ZHANG, A self-healing system for a new type fiber optic smart structure based on fuzzy control algorithm, Journal of Optoelectronics and Advanced Materials Vol. 19, Iss. 3-4, pp. 153-160 (2017)
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