scholarly journals Trajectory Tracking Control for Electro-Optical Tracking System Using ESO Based Fractional-Order Sliding Mode Control

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Xinli Zhou ◽  
Xingfei Li
Keyword(s):  
Sliding Mode Control ◽  
Fractional Order ◽  
Trajectory Tracking ◽  
Tracking Control ◽  
Sliding Mode ◽  
Tracking System ◽  
Optical Tracking ◽  
Trajectory Tracking Control ◽  
Optical Tracking System ◽  
Mode Control

scholarly journals Research of Sliding Mode Control in Electro-Optical Tracking System

2013 ◽  
Vol 756-759 ◽  
pp. 403-406 ◽  
Author(s):  
Zi Peng Guo ◽  
Chao Ming Xie ◽  
Yong Jun Xiao
Keyword(s):  
Sliding Mode Control ◽  
Pid Controller ◽  
Sliding Mode ◽  
Tracking System ◽  
Variable Structure ◽  
Mathematic Model ◽  
Optical Tracking ◽  
Communication Link ◽  
Optical Tracking System ◽  
Mode Control

as the foundation and critical part of the free Space optical communication, the electro-optical tracking system is a typical nonlinear system. However, the angular accuracy should be better than a few micro-radians to meet the requirement of the communication link construction between two terminals. To get more control precision, the mathematic model of the coarse pointing system is founded, and sliding mode variable structure controller with approach law is designed. Finally, the simulation is done separately for a typical PID controller and the variable structure controller. Simulation results are showed that the sliding mode control can finely control the attitude of coarse pointing system, and can get higher precision by contrasted to the conventional PID controller.

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