Peng Wang, Yi Xu, Guoxiong Song, Qingsong Li, Yulie Wu, Xuezhong Wu, D. Xiao
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Calibration and Compensation of The Misalignment Angle Errors For The Disk Resonator Gyroscopes
This paper reports a new method of calibration and compensation for the misalignment angle between the pickoff axis and the forcing directions of the disk resonator gyroscopes. With this error eliminated, the driving control loop will be free of the disturbance from the couple of the angular velocity. Meanwhile, the scale factor nonlinearity could be obviously improved from approximate 140ppm to less than 14 ppm. This method could be applied to other gyroscopes with the same structure like disk resonator gyroscopes.(Abstract)
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