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Pre-Optimization of Brushless PM Motor Design using Interval Arithmetic

These days, the desperate need for energy, provoked the requirement of energy efficient and ergonomic electrical machines suitable for propulsion, wind power applications, etc. This forces a machine designer to their extreme limits in designing their customized machine suitable for their application. Thus, in this quest for energy efficient electrical machines, there came into existence many new design based theories. In this research work the authors sincerely attempt to identify and segregate the Brushless PM motor design parameters from CAD point of view and apply the concept of Interval Arithmetic; so that a valid range(bounds) of the design parameter(s) can be determined and acknowledged before going into a suitable optimization technique for optimizing them. With the help of MATLAB ® CLI the bounds for the motor design parameters can be determined in which the optimal design solution lies. Keywords—Brushless PM Motor, Computer Aided Design (CAD), Design Parameters, Interval Arithmetic, Designer Fixed Parameter, Designer Variable Parameters