Abstract
PID (Proportional Integral Differential) regulator has been widely used in ship autopilot. According to the lack of overshoot, response speed in the traditional PID, a way is proposed to design ship course self-tuning fuzzy PID autopilot which combines conventional PID control and fuzzy control. Then, according to some indicators which contain overshoot, tracking response speed, control accuracy and so on, a new evaluation method which can examine the performance of autopilot has been proposed. The authors test the performance of the autopilot both by using Matlab and by using intelligent control of the ship simulation platform, which is developed by the research team to simulate. Compared with the performance of conventional PID autopilot, it is concluded that the fuzzy self-tuning PID autopilot has better performance than the conventional PID autopilot.
Published Version
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