Optimization algorithm for anti-collision planning of fiber elements based on divide-and-conquer weighting

Xin Xu; Zhigang Liu

doi:10.1117/12.2656654

9 January 2023 Optimization algorithm for anti-collision planning of fiber elements based on divide-and-conquer weighting

Xin Xu, Zhigang Liu

Author Affiliations +

Proceedings Volume 12507, Advanced Optical Manufacturing Technologies and Applications 2022; and 2nd International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2022); 125072O (2023) https://doi.org/10.1117/12.2656654
Event: 2nd International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2022), 2022, Changchun, China

Abstract

Lamost can precisely locate 4,000 optical fibers according to the star catalog position within a few minutes, which greatly improves the observation efficiency. There is no blind area, and the observation area of the fiber optic unit must be overlapped, but this will cause the adjacent units to collide during the movement process. Once the collision occurs, the observation accuracy and service life of the unit will be reduced. In order to solve the collision problem between optical fiber units, this paper proposes an anti-collision planning scheme for optical fiber units based on the idea of divide and conquer weighting. This scheme simplifies the overall collision problem into a small set of collision problems. The unit sequential is adjusted, and simulation experiments show that, compared with the commonly used path planning scheme, this method can better improve the observation efficiency of astrological phenomena and reduce the processing times of the unit.

Citation Download Citation

Xin Xu and Zhigang Liu "Optimization algorithm for anti-collision planning of fiber elements based on divide-and-conquer weighting", Proc. SPIE 12507, Advanced Optical Manufacturing Technologies and Applications 2022; and 2nd International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2022), 125072O (9 January 2023); https://doi.org/10.1117/12.2656654

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KEYWORDS

Optical fibers

Optics manufacturing

Optimization (mathematics)

Fiber optics

Astronomy

Spectroscopy

Stars

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