钟形振子式角速率陀螺振型特性仿真研究

doi:10.16182/j.issn1004731x.joss.201810031

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (10): 3853-3860.doi: 10.16182/j.issn1004731x.joss.201810031

钟形振子式角速率陀螺振型特性仿真研究

刘宁¹, 苏中^1,2

1. 北京信息科技大学高动态导航技术北京市重点实验室,北京 100101;
2. 北京理工大学自动化学院,北京 100184

收稿日期:2016-08-24 修回日期:2016-12-11 出版日期:2018-10-10 发布日期:2019-01-04
作者简介:刘宁(1986-),男,北京,博士,助研,研究方向为谐振陀螺、惯性器件和高动态IMU的研究。
基金资助:
国家自然科学基金(61471046), 北京市教委市属高校创新能力提升计划项目(TJSHG201510772017), 高动态导航技术北京市重点实验室开放课题

Research on Mode shape Characteristics Simulation of Bell-shaped Vibratory Angular Rate Gyro

Liu Ning¹, Su Zhong^1,2

1. School of Automation, Beijing Information Science & Technology University, Beijing 100101, China;
2. Institute of Intelligence Control, Beijing Information Science & Technology University, Beijing 100184, China;

Received:2016-08-24 Revised:2016-12-11 Online:2018-10-10 Published:2019-01-04

摘要/Abstract

摘要： 针对钟形振子式角速率陀螺(Bell-shaped vibratory angular rate gyro)振子的振型特性进行仿真研究,提出一种金属壳谐振陀螺的振型特性分析方法,并给出求解过程与仿真分析结果。在Kirchhoff-Love假设的前提下,通过数值解析方法,求解出钟形振子的振型函数,找到钟形振子基本低阶振型的分布规律;通过与有限元仿真结果进行综合分析,对钟形振子振型特性进行总体评估,有效的分析了钟形振子的振型特性。通过理论推导与仿真分析相结合的方式,验证了理论推动振型函数的正确性,为钟形振子式角速率陀螺的研制奠定理论基础。

关键词: 钟形振子式角速率陀螺, 钟形振子, 振型函数, 有限元方法

Abstract: It presents the analysis method of metal shell vibratory gyro’s mode shape for simulation research on Bell-shaped vibratory angular rate gyro, and gives the solution process and result of simulation analysis. Based on the Kirchhoff-Love assuming, by numerical methods to solve mode shape functions of bell-shaped resonator, the low-order modes of bell-shaped resonator is given through comprehensive analysis and finite element simulation results. The mode shaped characteristics of bell-shaped resonator is analyzed effectively through this method. Theory and simulation methods verify the correctness of the theory and promote modal, and lay the bell-shaped vibratory angular rate gyro development of theoretical basis.

Key words: Bell-shaped vibratory gyro, Bell-shaped resonator, mode shape function, finite element

中图分类号:

TP212.1

刘宁, 苏中. 钟形振子式角速率陀螺振型特性仿真研究[J]. 系统仿真学报, 2018, 30(10): 3853-3860.

Liu Ning, Su Zhong. Research on Mode shape Characteristics Simulation of Bell-shaped Vibratory Angular Rate Gyro[J]. Journal of System Simulation, 2018, 30(10): 3853-3860.

参考文献

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钟形振子式角速率陀螺振型特性仿真研究

Research on Mode shape Characteristics Simulation of Bell-shaped Vibratory Angular Rate Gyro

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