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Summary form only given. This paper describes average-value modeling of brushless DC motor-inverter systems, which is challenging due to the complicated switching patterns of the stator currents. A new average-value model which appropriately includes commutation and conduction subintervals of the brushless DC motor with a 120-degree inverter is presented. The proposed model is explicit and uses a...
Average-value modeling is indispensable for large and small-signal analysis of electromechanical systems with power electronic drives. Development of accurate analytical average-value models for the brushless DC motor with 120-degree inverter systems is particularly challenging due to the complicated commutation-conduction patterns of the stator currents. This paper extends a recently proposed approach...
Brushless dc motors with Hall sensors are widely used in various electromechanical applications. These machines have been often considered in the literature, under one common assumption - ideal placement of the sensors, which is often not true, especially for the low-precision motors. The misalignment of Hall sensors leads to unbalanced operation of the inverter and motor phases, which in turn results...
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