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HAOTING LIU1,* , YUZHOU MA2, WEI WANG3, BEIBEI YAN3
- eijing Engineering Research Center of Industrial Spectrum Imaging, School of Automation and Electrical Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District,
- Beijing Aerospace Times Optical-electronic Technology Co., Ltd., No. 1 Fengying East Road, Haidian District, Beijing, China, 100094
- Beijing Institute of Aerospace Control Device, No. 52 Yongding Road, Haidian District, Beijing, China, 100854
Because many assembly faults, such as the improper layout or the human error-caused problem, cannot be avoided, the optical path of Interferometric Fiber Optic Gyroscope (IFOG) may be damaged. To conquer that problem, the optical path is divided into the front-end optical path, the back-end optical path, and the inner side of fiber optic coil; and three non-destructive testing methods are developed: the laser injection method, the Optical Time Domain Reflectometer (OTDR) method, and the infrared image analysis method. The support vector machine is utilized to assess the assembly quality. Many practical applications have manifested the effectiveness of proposed method..
IFOG Optical path, Non-destructive testing, Assembly quality evaluation.
Submitted at: Nov. 15, 2017
Accepted at: April 8, 2019
HAOTING LIU, YUZHOU MA, WEI WANG, BEIBEI YAN, Non-destructive testing and assembly quality evaluation of IFOG optical path, Journal of Optoelectronics and Advanced Materials Vol. 21, Iss. 3-4, pp. 171-179 (2019)
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