OPTIMAL DESIGN OF BLDC MOTOR USING ABO (AFRICAN BUFFALO OPTIMIZATION) ALGORITHM TO MINIMIZE COGGING TORQUE
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Abstract
The use of BLDC motors in recent years has shown rapid development. This is motivated by efforts to reduce pollution with renewable energy. On the other hand, the advantages of BLDC motors have their own appeal so that they are widely applied not only in the automotive, health but also in the fields of aerospace and household appliances. The BLDC motor design that uses permanent magnets makes it produce good characteristics in power distribution, torque, and efficiency. However, it is not uncommon for the BLDC motor design to also create ripples in torque caused by cogging torque, causing unsmooth torque distribution, vibration and noise. The stator design in BLDC motors is the main factor causing the high cogging torque that occurs. This is due to the difference in flux density in the air gap and the interaction of magnets with the stator surface. This research focuses on reducing cogging torque by optimizing these parameters using the African Buffalo Optimization (ABO) method. The research was conducted by modeling the phenomenon of cogging torque through mathematical calculations and optimization through MATLAB. The optimized parameters are then simulated with MOTOR-CAD software to be analyzed and evaluated.
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