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A Complete Model Characterization Of Brushless Dc Motors, N. Hemati, Ming-Chuan Leu
A Complete Model Characterization Of Brushless Dc Motors, N. Hemati, Ming-Chuan Leu
Mechanical and Aerospace Engineering Faculty Research & Creative Works
The modeling problem associated with brushless DC motors (BLDCMs) with nonuniform air gaps which operate in a range where magnetic saturation may exist is addressed. The mathematical model, includes the effects of reluctance variations and magnetic saturation to guarantee proper modeling of the system. An experimental procedure is developed and implemented in a laboratory environment to identify the electromagnetic characteristics of a BLDCM in the presence of magnetic saturation. It is demonstrated that the modeling problem associated with this class of BLDCM can be formulated in terms of mathematically modeling a set of multidimensional surfaces corresponding to the electromagnetic torque …