Double prisms for two-dimensional optical satellite relative-trajectory simulator

Jianfeng Sun; Liren Liu; Maojin Yun; Lijuan Wang; Nan Xu

doi:10.1117/12.557888

20 October 2004 Double prisms for two-dimensional optical satellite relative-trajectory simulator

Jianfeng Sun, Liren Liu, Maojin Yun, Lijuan Wang, Nan Xu

Proceedings Volume 5550, Free-Space Laser Communications IV; (2004) https://doi.org/10.1117/12.557888
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

This paper presents the development of an ultra precision optical satellite relative-trajectory simulator. It is commonly known that by combining two prisms of equal apex angle in near contact and by independently rotating them about an axis parallel to the normals of their adjacent faces, a ray can be steered in any direction within a limited cone. Due to the request of high precision, we use the table-looking method rather than the conventional approximately formula to transform the angle between the azimuth and elevation angle of the relative-trajectory and the angle of the servo-motor. To achieve a stable and accurate control of the system, a Proportional-Integral-derivative (PID) controller is used and the controller was optimized use the Genetic Algorithm. Furthermore, we simulated the system with Matlab program under different bandwidth. The results demonstrate that the proposed position control system achieves a good control performance. The simulation indicates that PID controller performed well on the satellite relative-trajectory simulation.

Citation Download Citation

Jianfeng Sun, Liren Liu, Maojin Yun, Lijuan Wang, and Nan Xu "Double prisms for two-dimensional optical satellite relative-trajectory simulator", Proc. SPIE 5550, Free-Space Laser Communications IV, (20 October 2004); https://doi.org/10.1117/12.557888

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