Robust-fusion optic fiber distance and orientation integrated sensing technology

Gui-xiong Liu; Yong-cong Kuang; Jing Xu; Xia-ni Li

doi:10.1117/12.570371

14 February 2005 Robust-fusion optic fiber distance and orientation integrated sensing technology

Gui-xiong Liu, Yong-cong Kuang, Jing Xu, Xia-ni Li

Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.570371
Event: Photonics Asia, 2004, Beijing, China

Abstract

A robust-fusion optic fiber sensor technology of proximity distance and orientation integration is studied in this paper. A novel optic fiber sensing head with redundant information, which can measure distance and orientation in any pose as well as compensate fluctuation caused by changing parameters such as surface reflectivity, light intensity and characteristic shifting from photoelectric-converter device, is proposed. The implement method of sensor network compensation is introduced. An improved BP network arithmetic, which can enhance the dynamic characteristic and measurement accuracy of the sensing system, is presented. To speed up the convergence rate of BP network training, GA -BP training method is applied. An intelligent signal detecting and processing system based on DSP is designed, the strong data processing ability of DSP makes the system hardware structure simplified. The method of moderate output light power control is put forward for enlarging the measuring range. Experiment result shows that robust-fusion optic fiber proximity sensor system has the distance measuring range of 0.1~19.9mm and the orientation measuring range of 0~25°. The measuring time of each point is 92.5ms.

Citation Download Citation

Gui-xiong Liu, Yong-cong Kuang, Jing Xu, and Xia-ni Li "Robust-fusion optic fiber distance and orientation integrated sensing technology", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.570371

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KEYWORDS

Signal detection

Sensors

Digital signal processing

Distance measurement

Fiber optics sensors

Head

Integrated optics

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