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A new type of PMSM with double rotors, used in underwater vehicle, makes the propulsion devices become simpler and more efficient. The structure of this motor is greatly different with the conventional ones, and the study of control strategy for this motor is on the primary stage. In this paper, the structure of the motor which is used in underwater vehicle system is introduced. To control the speed...
Because of its unique properties, such as brushless structure, high torque and power density, the claw pole motor will have widely application foreground. This paper introduces a new type of permanent magnet claw pole motor (PMCPM) with outer rotor. The electrical circuit model of this kind of motor have been built, The operation characteristics are simulated by means of powerful simulation software...
In order to reduce the effect of the parameters uncertainties and load disturbances on the brushless doubly-fed motor (BDFM), a Hinfin speed controller is designed by the mixed sensitivity control theory. The proposed Hinfin controller combined with the selection of mixed sensitivity weighting functions is better in robustness, and raises the respond speed of the system to the input signal. Simulation...
The disk brushless doubly-fed machine (DBDFM) is the most effective type of electrical machine suitable for driving windmill or water pump to perform speed-adjusting and energy-saving operation. Therefore, it has further application prospects. In this paper, the investigation of appropriate pole number combination for disk brushless doubly-fed machine has been made. The simulation of the DBDFM has...
After introducing simply the structure and operation theory of doubly-fed brushless machine (DFBM), the coupling parameters between main winding and auxiliary winding are analyzed. The mathematics model of the DFBM is derived and constant power angle control strategy in the real coordinate is also put forward in this paper. Based on SIMULINK technology, the common simulation module of DFBM has been...
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