Stiffness-Mass Decoupled Honeycomb-like Disk Resonator Gyroscope

被引：0

作者：

Xu, Yi ^{[1
]}

Li, Qingsong ^{[1
]}

Zhou, Xin ^{[1
]}

Gao, Kai ^{[1
]}

Wang, Peng ^{[1
]}

Zhang, Yongmeng ^{[1
]}

Hou, Zhanqiang ^{[1
]}

Wu, Xuezhong ^{[1
]}

Xiao, Dingbang ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Intelligent Sci, Changsha, Peoples R China

来源：

2019 IEEE 32ND INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS) | 2019年

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1109/memsys.2019.8870838

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：

We report, for the first time, the overall performance of a novel stiffness-mass decoupled honeycomb-like disk resonator gyroscope (HDRG). Compared with the former HDRG, this new design significantly increases the quality factor and effective mass of the resonator through hanging lumped masses on certain rings and arcs. The quality factor of the optimized resonator is 171.6k, more than twice the amount of the former design 81.1k. The bias instability of the gyroscope reaches 0.11 degrees/h at room temperature without any compensation, more than eighty times smaller than the former design, exhibiting significant performance improvement. Moreover, ranging from -40 degrees C to 60 degrees C, the temperature coefficient of scale factor is 0.188%/degrees C, and the maximum variations of zero offset and bias instability over temperature are 40 degrees/h and 0.12 degrees/h respectively, showing good robustness to environment disturbance.

引用

页码：656 / 659

页数：4

共 30 条

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