The optimal control system of the ship based on the linear quadratic regular algorithm

In this paper, the authors propose an optimal controller for the ship motion. Firstly, the model and dynamic equations of the ship motion are presented. Basing on the motion equations of ship model, the authors build the linear quadratic regular algorithm-based control system of ship motion to minimize difference between the response coordinate and the setting-coordinate. The task of the controller is controlling the ship coordinate to coincide with the desired coordinate. The ship model and controller are built to investigate the system quality through Matlab-Simulink software. The results show the high quality of the control system. The coordinate of a ship always follows the desired coordinate with very small errors