Abstract
As a new generation of INS products, high-precision FOG has been widely used. High precision fiber coil is the sensitive core of high precision fiber optic gyro. Its performance and reliability index determine the performance and reliability of high precision fiber optic gyro. In this paper, the key process methods and parameters that affect the performance and reliability of optical fiber coil are studied. Firstly, the process flow chart of high-precision fiber optic gyroscope is drawn, and every process link of high-precision fiber optic coil manufacture is deepened. Through theoretical analysis, the key process and process parameters affecting the performance and reliability of high-precision fiber optic coil are identified. Then carry out the corresponding process validation test at the same time, through the analysis of the test results to verify the previous theoretical analysis. Then the optimization design and reliability growth research are carried out for the key process, and the control of the key process is strengthened to improve the performance and reliability index of the coil from the process link.
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