HRG动力学模型分析与试验

2006 1st International Symposium on Systems and Control in Aerospace and Astronautics Pub Date : 2006-05-08 DOI:10.1109/ISSCAA.2006.1627712

Qian Yang, G. Yi, Bochang Shen, Henian Wang

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引用次数: 4

摘要

本文研究了半球形谐振陀螺的岁差现象和动力学模型。并在样机(HRG-14)上进行了实验，测量了陀螺的零点漂移和比例因子。从粒子力的角度提出了一种新的旋进分析方法。采用薄壳理论和虚位移原理推导了半球形壳体的动力学模型。作为模型的近似解，分析了壳体几何参数对壳体固有频率和进动速率的影响。利用ANSYS有限元分析软件，通过对初等模型得到的9个模型的比较，分析了壳体几何参数对各自由频率的影响

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Kinetic model analysis and testing of HRG

The precessional phenomenon and the dynamical model of hemispherical resonator gyro are investigated in this paper. And experiments are performed on a specimen gyro (HRG-14) to measure its zero drift and scale factor. A new analysis of precession in the view of particle force is proposed. Thin shell theory and virtual displacement principle are employed to derive the dynamical model of the hemispherical shell. The influence of shell's geometry parameters on its natural frequency and precession rate is analyzed as the approximate solution of the model. Depending on ANSYS - finite element analyzer, by comparisons among nine models gained from the elementary model, the influence of the shell's geometry parameters on each free frequency is analyzed

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2006 1st International Symposium on Systems and Control in Aerospace and Astronautics

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