Composite compensation method to improve the image registration based on MSCMG

被引：0
作者：
Shu S. [1 ,2 ,3 ,4 ]
Fang J. [1 ,2 ,3 ]
Zhang W. [4 ]
Liu G. [1 ,2 ,3 ]
Qian Y. [4 ]
Zhang J. [4 ]
Cui P. [1 ,2 ,3 ]
机构：
[1] School of Instrument Science and Opto-electronics Engineering, Beiing University of Aeronautics and Astronautics, Beijing
[2] Novel Inertial Instrument & Navigation System Technology Key Laboratory of Fundamental Science for National Defense, Beijing
[3] Inertial Technology Key Laboratory, Beijing
[4] Shanghai Institute of Satellite Engineering, Shanghai
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2019年 / 41卷 / 12期
关键词：
Attitude control; Bore-sight pointing; Composite compensation control; Image registration; Magnetically suspended control moment gyros;
D O I：
10.3969/j.issn.1001-506X.2019.12.22
中图分类号：
学科分类号：
摘要：
Focusing on improving image registration precision of the high precise remote sensing satellite due to the camera motion disturbance. The composite compensation method to improve the image registration based on magnetically suspended control moment gyros (MSCMG) is proposed. Firstly, the traditional attitude feedback control system avoiding the complexity of the feed forward control method and its disturbance is used in terms of MSCMG actuators, and the control attitude precision of to 5.8×10-5 (°)/s can be achieved. Then, the integration compensation method is put forward according to attitude control and camera pointing control in order to compensate the attitude residual error due to the constriction of the control band width of the control system. Finally, the simulation is done and the results show that not only the precision of elevation is improved from 6 μrad before compensated to 0.36 μrad after compensated, but also the precision of the scanning angle enhances as well from 0.6 μrad to 0.45 μrad, which boosts the pointing stability of bore sight evidently. Research results can be used as a reference for image registration design for the very high precised remote sensing satellites. © 2019, Editorial Office of Systems Engineering and Electronics. All right reserved.
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页码：2827 / 2834
页数：7
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