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《Laser & Infrared》 2017-01
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Fine tracking system of space laser communication using active disturbance rejection control

PENG Xiao-feng;LIU Shi-tao;CAO Yang;ZHANG Xun;School of Electronic Information and Automation,Chongqing University of Technology;  
The premise of the laser communication link establishment is the optical axis stabilization for space laser communication.Because the optical axis stabilization error caused by the nonlinear perturbation of the communication terminal carriers and the unknown perturbation model is greater,the active disturbance rejection control method is designed,and related parameters of the nonlinear state error feedback are adaptively adjusted by the fuzzy control method.The experimental results show that,compared with the adaptive PID control method,the fuzzy active disturbance rejection control method can effectively restrain the nonlinear disturbance of the platform,also has better fast response speed and stronger robustness,and it can meet the steady-state accuracy requirements of the system.
【Fund】: 重庆教委科学技术研究项目(No.KJ120827;No.KJ1500934)资助
【CateGory Index】: TN929.1
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