Dachuan Liu, X. Chi, J. Cui, Longtao Lin, Qiancheng Zhao, Zhenchuan Yang, G. Yan
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Research on temperature dependent characteristics and compensation methods for digital gyroscope
In recent years, MEMS gyroscope which is a kind of angular-rate-sensor has been improved greatly. In this paper, the effect of temperature changing on MEMS gyroscope is analysed. An evaluation and compensation platform based on the MCU and PC software has been fabricated. The temperature tests were done and some novel compensation algorithms were presented to fit the temperature curve. The thermal bias drift of the gyroscope compensated by the platform was reduced to 0.0667deg/s/degC compared with 0.618deg/s/degC before compensation.
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