Abstract
Aiming at the special new structure of the fan-shaped superfluid interference grating gyro, the total output angular velocity noise of the gyro was modeled and analyzed. Firstly, the principle equation of the gyro's angular velocity detection is constructed for the special structure of the gyro; secondly, the main noise source of the gyro is analyzed, and the mathematical model of the gyro's total output angular velocity noise is constructed; finally, the new fan-shaped superfluid interference grating gyro is simulated The noise variation characteristics and amplitude range of the total output angular velocity noise reveal the key factors that affect the total output angular velocity noise of the gyroscope, and provide certain engineering guidance significance for the design and use of the gyroscope.
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