Network-based controller design for ship course control
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Aimed at the nonlinear problem of ship course control and based on Lyapunov stability theory,the networked control technology was introduced to controller design of ship autopilot.Taking into account of the actual characteristics of ship system,the problems of ship course and control were investigated and a novel strategy of autopilot was then designed by employing the stability analysis method of networked control system.This control made a feature of quicker response strategy to the variation of target parameters and quicker adaptation to the unforeseen circumstances with fast convergence speed and less computation labor.The simulation results showed that this control strategy could provide not only a better control performance but also quick computation speed fulfilling the requirement of real-time control for ship steering.