Yuan-kun FANG, Bin-wen YUAN, Zi-yang MENG, et al. Attitude control in multi-satellite cooperative observations for distributed remote sensing[J]. Optics and precision engineering, 2019, 27(1): 58-68.
DOI:
Yuan-kun FANG, Bin-wen YUAN, Zi-yang MENG, et al. Attitude control in multi-satellite cooperative observations for distributed remote sensing[J]. Optics and precision engineering, 2019, 27(1): 58-68. DOI: 10.3788/OPE.20192701.0058.
Attitude control in multi-satellite cooperative observations for distributed remote sensing
This paper focuses on the cooperative observation problem in multiple spacecrafts. We first establish the desired attitude from the sun orientation to the target starting from the reference spacecraft. A proportional-differential (PD) controller is designed based on attitude and angular velocity deviations. Further
the Lyapunov theorem of the closed-loop system is introduced to prove the stability. Next
we establish the desired attitude for the follower spacecraft. To match the target positions in the image plane for the reference and follower spacecraft
a PD controller is proposed based on the difference of attitude between the reference and follower spacecraft. In addition
the Lyapunov stability of the closed-loop system is demonstrated. Finally
the simulation results show that the attitude control error between the reference and follower spacecraft is less than 0.01°
and the control accuracy satisfies the requirements of distributed remote sensing tasks.
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