Comparison of several stochastic parallel optimization control algorithms for adaptive optics system

yang hui-zhen; li xin-yang; jiang wen-han

Volume 20 Issue 01

Jan. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(01): 0-

huang zu xin, jiang xiao dong, ren huan, et al. Effect of beam diameter for high accuracy laser damage testing[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

yang hui-zhen, li xin-yang, jiang wen-han. Comparison of several stochastic parallel optimization control algorithms for adaptive optics system[J]. High Power Laser and Particle Beams, 2008, 20.

huang zu xin, jiang xiao dong, ren huan, et al. Effect of beam diameter for high accuracy laser damage testing[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

yang hui-zhen, li xin-yang, jiang wen-han. Comparison of several stochastic parallel optimization control algorithms for adaptive optics system[J]. High Power Laser and Particle Beams, 2008, 20.

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Comparison of several stochastic parallel optimization control algorithms for adaptive optics system

1.
Institute of Optics and Electronics,Chinese Academy of Sciences,P.O.Box 350,Chengdu 610209,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2008-01-15

Abstract

Abstract

Optimizing the system performance metric directly is an important method for correcting wave-front distortions in adaptive optics(AO) systems. Appropriate stochastic parallel optimization control algorithm is the key to correcting distorted wave front successfully. Based on several stochastic parallel optimization control algorithms, an adaptive optics system with a 32-element deformable mirror was simulated. Genetic algorithm(GA), the unilateral perturbation stochastic parallel gradient descent (SPGD), the bilateral perturbation SPGD and simulated annealing(SA) were compared in convergence speed, correction capability and local maximum. The results show that because of the unaceptable convergence speed, GA is not suitable for the control of real-time AO system; the bilateral perturbation
- adaptive optics system,
- stochastic parallel gradient descent algorithm,
- simulated annealing,
- genetic algorithm,
- numerical simulation

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