Abstract:
An automatic mode-matching circuit and scale factor adjustable detection system for force to rebalance cobweb-like disk resonator gyroscopes (DRG) are presented in this w...Show MoreMetadata
Abstract:
An automatic mode-matching circuit and scale factor adjustable detection system for force to rebalance cobweb-like disk resonator gyroscopes (DRG) are presented in this work. The mode-matching circuit uses a phase detection system to track and control phase difference between output signal of drive mode and quadrature error to match the mode resonance frequencies, which results in a significant performance improvement. Besides, a new scale factor adjustment method is proposed, which could be used in force to rebalance detection system of cobweb-like DRG. The experimental results show that the scale factor of gyroscope with closed loop controlled sense mode improves from 7.9mV/°/s to 19.1mV/°/s, and the bias instability improves from 11.19°/hr to O.43°/hr.
Published in: 2018 IEEE SENSORS
Date of Conference: 28-31 October 2018
Date Added to IEEE Xplore: 27 December 2018
ISBN Information: