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To solve the shortcomings of large dependence on the parameters and need accurate cancellation the dynamic when using exact linearization method to nonlinear system, this paper introduced the Kalman filter to linear decoupling control to observe the load torque change of induction motor. At the same time, use reactive power model based on MRAS to identification rotor time constant of induction motor...
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...
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