Adaptive tracking and compensation of laser spot based on ant colony optimization

Lihong Yang; Xizheng Ke; Runbing Bai; Qidi Hu

doi:10.1117/12.828704

20 May 2009 Adaptive tracking and compensation of laser spot based on ant colony optimization

Lihong Yang, Xizheng Ke, Runbing Bai, Qidi Hu

Proceedings Volume 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 728329 (2009) https://doi.org/10.1117/12.828704
Event: AOMATT 2008 - 4th International Symposium on Advanced Optical Manufacturing, 2008, Chengdu, Chengdu, China

Abstract

Because the effect of atmospheric scattering and atmospheric turbulence on laser signal of atmospheric absorption,laser spot twinkling, beam drift and spot split-up occur ,when laser signal transmits in the atmospheric channel. The phenomenon will be seriously affects the stability and the reliability of laser spot receiving system. In order to reduce the influence of atmospheric turbulence, we adopt optimum control thoughts in the field of artificial intelligence, propose a novel adaptive optical control technology-- model-free optimized adaptive control technology, analyze low-order pattern wave-front error theory, in which an -adaptive optical system is employed to adjust errors, and design its adaptive structure system. Ant colony algorithm is the control core algorithm, which is characteristic of positive feedback, distributed computing and greedy heuristic search. . The ant colony algorithm optimization of adaptive optical phase compensation is simulated. Simulation result shows that, the algorithm can effectively control laser energy distribution, improve laser light beam quality, and enhance signal-to-noise ratio of received signal.

Citation Download Citation

Lihong Yang, Xizheng Ke, Runbing Bai, and Qidi Hu "Adaptive tracking and compensation of laser spot based on ant colony optimization", Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 728329 (20 May 2009); https://doi.org/10.1117/12.828704

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KEYWORDS

Control systems

Signal processing

Acquisition tracking and pointing

Optical tracking

Antennas

Signal detection

Evolutionary algorithms

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