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《Electronics Optics & Control》 2011-07
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A Servo System Based on a Novel Active-Disturbance-Rejection Controller

HOU Hong,LI Janjun,WANG Long(Luoyang Optoelectro Technology Development Center,Luoyang471009,China)  
Based on the characteristics of servo system,a novel Active-Disturbance-Rejection Controller(ARDC) was designed to control positional loop.By making use of genetic algorithm to optimize the parameters,the disturbances such as load torque and model parameters' variation were compensated.Simulation results showed that the ARDC servo system can meet the need of design.Compated with the error subsection PD controller,it has smaller phase difference and magnitude attenuation in dynamic response,and the ripple frequency over large dynamic load is decreased.The servo system is rapid and robust when the parameters such as stator resistor and rotor inertia are varied.
【CateGory Index】: TJ765.2
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