Design and implementation of active disturbance rejection control for the ship-borne photoelectric tracking servo system

The critical design for the control system of the ship-borne photoelectric tracking equipment is how to isolate the internal uncertainty and external disturbance. To obtain the stabilization and tracking of the target, servo control system of the photoelectric tracker becomes the key of the new designing measurement and control system. In this paper, the coordinate transformation technology is used to conduct the real-time compensation to the attitude angle caused by ship-swaying. And the multi-loop (double speed loop and a position loop) structure of servo system was modeled, and linear active disturbance rejection controller is designed to improve the anti-disturbance ability and control performance. The simulation results show that the proposed method is effective and it has better control effect and stronger anti-disturbance ability compared with traditional control method.