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This paper presents a design of the fuzzy logic control for a permanent magnet DC motor. The main objective is to achieve a robust controller under disturbances and unmodeled dynamics acting, such as load torque, dead zone, measurement noise and nonlinearities. The whole system contains the DC motor, driver, tachogenerator, external load and microprocessor based system (dSPACE CLP1004). This system...
Aiming at the rapidity control problem of direct drive electro-hydraulic (DDEH) servo rotary vane steering gear, a design method of adaptive fuzzy sliding mode control with friction torque dynamic compensation is presented. The friction torque dynamic compensation method is introduced to enhance the response of the system. The adaptive fuzzy controller is introduced to solve the problem of the uncertain...
Based on analysis to the performance requirements of the modulation rotary steerable drilling tool (MRST) stabilized platform controlling system, traditional PID and fuzzy adaptive PI-variable damping control schemes are studied contradistinctively to better solve the control problem. The simulation results show that the traditional PID control method only caters to one working condition of the controlling...
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