南京航空航天大学学报（英文版）2007，Vol.24Issue(1)：17-24,8.
超导陀螺转子偏移建模与测试方案
MODELING OF SCG ROTOR DRIFT AND MEASURING SCHEME
汤继强 1房建成 1张延顺1
作者信息
- 1. 北京航空航天大学仪器科学与光电工程学院,北京,100083,中国
- 折叠
摘要
Abstract
Based on micro-displacement measurement principles of the spherical differential capacitance sensor, the relationship between the capacitance variation and the micro-displacement of each pair of detecting electrodes for the superconducting gyroscope(SCG) with eight detecting electrodes is analyzed. The model of the SCG rotor drift is established through dimensionless processing, linearization within micro-displacement and the least-square approach. Both the measurement scheme of the SCG rotor drift based on the model and its parameter relationship are presented. To guarantee the potential of the suspension rotor to be zero, the distributing scheme of four pairs of detecting electrodes is presented. The scheme can measure the magnitude and the direction of the rotor drift. The negative factors for affecting the measurement precision of the SCG rotor drift and simulation results of the total effects are given. Simulation results show that the distributing capacitance of these differential capacitance sensors, the zero potential of the rotor and the model error are the major negative factors. The methods for eliminating those negative factors and the application range of the model are given. The model ensures the relationship between the output voltage and the rotor drift be linear.关键词
超导陀螺/悬浮转子/偏移/球形差动电容/微位移Key words
superconducting gyroscope/suspension rotor/drift/spherical differential capacitance/micro-displacement分类
信息技术与安全科学引用本文复制引用
汤继强,房建成,张延顺..超导陀螺转子偏移建模与测试方案[J].南京航空航天大学学报（英文版）,2007,24(1):17-24,8.
