| Citation: | ZHANG D B，WANG L X，LI C. Simulation analysis of reduction effect of symmetrical winding method for multi-polar fiber ring on Shupe error[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（7）：1715-1721 （in Chinese） doi: 10.13700/j.bh.1001-5965.2021.0530
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The Shupe bias error is one of the biggest bottleneck problems in the engineering application of interferometric fiber optic gyroscope (IFOG). A turn-by-turn finite element model for fiber coils is established in this article. Based on this model, analyze the temperature performance of the 8 level, 16 level and 32 level symmetric winding method are analyzed under different temperature excitations. The results show that compared with octupolar symmetrical winding methods, the 16-polar and 32-polar symmetrical winding methods can effectively reduce the thermally induced gyro drift, and that the 16-polar symmetrical winding methods have the best temperature performance among the three methods. This conclusion provides guidance for the selection of fiber coil winding method for high precision IFOG.
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