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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...
This paper provided a novel magnet arrayed permanent magnet synchronous motor with self-starting function and high efficiency. The magnetic pole which is affixed in rotor surface is composed of a number of small array magnetic blocks; its width, height and the interval between arrayed magnets meet a modulation relationship. So magnetic field generated by arrayed magnets more closely to sinusoidal...
In the paper, an approach of place distributed magnetic pole on the surface of the rotor iron core of permanent magnet motor is proposed. This method uses the center area equivalent principle in the power electronics technology and achieves sine pole width modulation permanent-magnet rotor structure. According to the different modulation scheme, the magnetic field simulation and analysis is researched...
The non-interacting control method of permanent-magnet synchronous motor (PMSM) is proposed by using exact linearization via state variable feedback. The conditions of exact linearization are discussed with differential geometry method based on PMSM mathematic model. The PMSM linearization and non-interacting control design had been completed in the entire state variable space by state coordinates...
The method of chaos anti-control for permanent- magnet synchronous motor (PMSM) is proposed by using model matching and time delayed state feedback. The PMSM chaotic restrictions were discussed with model matching theory based on mathematic model. Chaotic reference model was produced using stable linear system by time-delay feedback sinusoidal function. Then match controlled system that can't exact...
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