摘要
高动态金属壳谐振陀螺的进动特性,是敏感结构实现角速率信息有效提取的关键。针对金属壳谐振陀螺的进动特性进行研究,首先分析了金属壳谐振陀螺的总体研究思路,明确其工作原理;建立敏感结构的动力学方程和进动因子表达式;利用数值分析方法,对进动因子进行分析,得出金属壳谐振陀螺进动因子经验公式;最后对其进动特性进行综合分析。
The precession feature of high dynamic metal shell vibratory gyroscope is the key to realize the angular rate information extracted effectively. It focuses on the precession of metal shell vi bratory gyroscope. Firstly, the overall research ideas of metal shell vibratory gyroscope and working principle are analyzed. Then the sensitive structure dynamics equations and the expression of precession factor are proposed. The method of numerical analysis is used to analyze the precession factor. The metal shell vibratory gyroscope precession factor empirical formula is achieved. Finally, the precession characteristics of the metal shell vibratory gyroscope are analyzed comprehensively.
作者
刘宁
邓志红
LIU Ning DENG Zhi-hong(Beijing Key Laboratory of High Dynamic Navigation Technology, Beijing Information Science Technology University, Beijing 100101, China School of Automation, Beijing Institute of Technology, Beijing 100081, China)
出处
《导航定位与授时》
2017年第2期86-92,共7页
Navigation Positioning and Timing
基金
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
关键词
高动态金属壳谐振陀螺
敏感结构
哥氏定理
High dynamic metal shell vibratory gyroscope
Sensitive structure
Coriolis theorem
