Abstract
Applying mathematics model of nonlinear ship main engine control and the wave disturbances to the design of electronic governor, and considering the uncertainty of model parameters and the characteristics of servo-system makes the model have the unmatched uncertainty correspondingly. In order to solve the difficulty,an active disturbance rejection nonlinear control strategy is proposed,and a ship main engine ADRC controller is designed. The simulation results of ship main engine (ME) speed tracking and keeping show that the controller has good adaptabilities on the system nonlinearity and strong robustness to parameter perturbations of the ship and environmental disturbances. And the speed switching is fast and smooth with small throttle turning volume, thus achieved high-accurate ship ME speed control.
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