A High-Precision Mode Matching Method for Rate-Integrating Honeycomb Disk Resonator Gyroscope

被引：5
|
作者：
Yu, Sheng [1 ]
Wu, Xuezhong [1 ]
Xi, Xiang [1 ]
Sun, Jiangkun [1 ]
Li, Qingsong [1 ]
Xiao, Dingbang [1 ]
Zhang, Yongmeng [1 ]
机构：
[1] Natl Univ Def Technol, Coll Intelligence Sci & Technol, Changsha 410073, Peoples R China
来源：
2021 IEEE 16TH INTERNATIONAL CONFERENCE ON NANO/MICRO ENGINEERED AND MOLECULAR SYSTEMS (NEMS) | 2021年
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
D O I：
10.1109/NEMS51815.2021.9451462
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a precise mode matching method based on the quadrature control forces for the honeycomb disk resonator gyroscope working on the rate-integrating mode. Rate-integrating gyroscope (RIG) allows the pattern angle to precess freely to observe the output forces of quadrature control loop in specific directions which contains the full information of frequency mismatch for mode matching process. This method is proved by experiments to be highly effective and precise, reducing the frequency mismatch from 4Hz to about 5mHz. And the gyroscope achieves an angle-dependent bias drift (ADB) of 0.05 degrees/s and a threshold value of less than +/- 0.005 degrees/s after mode matching. Such tuning voltages are also suitable for the MEMS rate gyroscope (RG).
引用
收藏
页码：1579 / 1582
页数：4
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