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The direct torque control Based on position sensor less control method and fuzzy controller was carried out aiming at the interior permanent magnet synchronous motor (IPMSM) in this paper. To the consideration of electric vehicle space is limited and to reduce the controller size to save space, this paper studied the sensor less control. Hysteresis comparator of direct torque control easily results...
The method of solving the time-delayed parameter difficult choice in controlling chaos was proposed in this paper. The fuzzy control method was applied into chaotic control by time-delayed feedback. The quadrature-axis stator voltage was used as the manipulated variable. The input of the fuzzy controller was the system error. Fuzzy controller searched the optimum time parameter according to the error...
Meeting with high efficiency permanent magnet motor developing, a hybrid algorithm of PSO (particle swarm optimization) and chaos is proposed to solve magnet optimization problems. It is used the fast convergence of PSO and ergodicity, randomicity, and regularity of chaotic motion in the spinning motor magnet optimization, and validated by practice application. The designed motors have carried out...
The problem of the delay-time parameter difficult to be determined in controlling chaos was considered in this paper. The quadrature-axis stator voltage was used as the manipulated variable. Applied the fuzzy control method into chaotic control by time-delayed feedback. The input of the fuzzy controller was the difference between the feedback of output and the set value of system. Fuzzy controller...
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