Abstract
According to the poor tracking accuracy of periodic signals for continuous rotary electro-hydraulic servo motor, the mathematic model of the electro-hydraulic position servo system of the continuous rotary motor was established, a composite control strategy combining with proportion controller and adaptive zero phase error tracking controller was designed. The working principle of composite strategy was given, and the composite strategy was verified on Co-simulation of MATLAB and AMESim platform. The simulation result shows that the amplitude attenuation and phase delay of the tracking curve which excitated by the sinusoidal signal 0.5degree and 10Hz for continuous rotary motor is less than 1.2% and 1.08°respectively, and the efficiency of the composite controller is verified through simulation.
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