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Poprawna komutacja silnika PM BLDC wymaga informacji o położeniu wirnika. Do jej uzyskania wystarczające jest zastosowanie czujników położenia wirnika, zabudowanych w silniku. Uszkodzenie tych elementów obniża niezawodność i pogarsza funkcjonowanie systemu napędowego. W pracy przedstawiono układ sterowania silnikiem PM BLDC oraz omówiono wpływ wybranych uszkodzeń czujników na przebiegi prądów fazowych...
In this paper, skewing effect is analyzed in permanent magnet Brushless Direct Current motor (BLDC). Skewing is a common used method especially for reducing cogging torque. Test motor is an interior type BLDC motor with 24 slots and 4 poles. In this work, Test BLDC motor is analyzed for different skewing angles (2.5, 5, ...,15 degrees) at stator to find an optimum skew angle for reducing the cogging...
Usually speed and position of a permanent magnet brushless direct current motor (PMBLDCM) rotor is controlled in a conventional cascade structure. The inner current control loop runs at a larger bandwidth than the outer speed control loop to achieve an effective cascade control. This paper proposes a multirate based general predictive control (GPC) law performed for the conventional cascaded PI-PI...
Based on the simulation of electric vehicle (EV), the parameter design methods and winding switch characteristics on the driving permanent magnet brushless direct current motor (BDCM) are studied. First of all, the mathematical model of the BDCM when used to drive the EV is established, then effects of the EV velocity and the motor's leakage inductances on the current trace ability, torque production...
This paper presents a circuit model of permanent magnet brushless direct current motor in which it is possible to simulate the phase open circuit faults and access the center of star-connected three-phase winding. The remedial strategies are introduced for the open-circuit of phase and power switch disconnection. The control system with two added electronic switches to the inverter can control the...
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