The PID autopilot control method based on the neural network is provided for ship course keeping.

提出一种基于神经网络的PID自动舵控制方法。

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GPC algorithm for ship course-keeping and turning is introduced. The parameters of the controller can be automatically adjusted on the basis of some intelligent rules.

提出了基于广义预测的船舶航向保持和转向控制算法，其中控制器参数可根据智能规则自动调整。

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By theoretical analysis and numerical simulation, it is shown that the variable structure control is correct and feasible and the control effect is better than PID control for ship course-keeping.

理论分析与仿真研究表明：对于舰船定向航行，变结构控制方案正确可行，控制效果优于PID控制方案。

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