Research of calibration method for optical axis pointing error included angle measuring system on high orbit remote sensing satellite

被引：0
|
作者：
Li Y. [1 ]
Zhu L. [1 ,2 ]
Zhang X. [1 ]
Xin J. [1 ,2 ]
Zhuang W. [1 ,2 ]
机构：
[1] Beijing Laboratory of Optical Fiber Sensing and System, School of Instrument and Opto Electronic Engineering, Beijing Information Science & Technology University, Beijing
[2] Beijing Key Laboratory of Optoelectronic Measurement Technology, School of Instrument and Opto Electronic Engineering, Beijing Information Science & Technology University, Beijing
来源：
Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument | 2023年 / 44卷 / 05期
关键词：
angle calibration; autocollimation method; included angle measuring system; spacecraft structural deformation;
D O I：
10.19650/j.cnki.cjsi.J2310991
中图分类号：
学科分类号：
摘要：
A calibration method of the included angle measuring system based on the autocollimation contrast system is proposed. This method is used to improve the accuracy of the included angle measuring system. Therefore, it can accurately measure the deformation of the spacecraft structure in the space environment. The calibration coefficient is achieved by calibrating the included angle measuring system, and the coefficient is evaluated by simulation data. Results shows that the measuring range of the included angle measuring system can be up to ± 25′ and the measuring resolution can be up to 0. 1″. Experimental results show that the calibration method is simple and convenient with high accuracy. It proves that the measurement accuracy of the angle measuring instrument reaches ± 0. 2″ by computing the absolute value of the difference between the measured results and certified value. In general, the accuracy of the angle measuring instrument after calibration meets the requirements of satellite utilization. This method can provide technical support for the study of micro deformation of satellite structures in orbit. © 2023 Science Press. All rights reserved.
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页码：160 / 166
页数：6
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