Nowadays, Brushless DC motors are in high demand due to its high efficiency and other significant features. As there is no use of brushes, this type of motor is having many advantages like high torque to inertia ratio, high speed, and power density and low cost compared to conventional brushed motors. This paper determines speed-torque characteristics of brushless dc motor with different load variation by using the proposed method and the developed controller. The variation in motor speed-torque characteristics for half load, full-load, and overloading condition is analyzed. This research has been conducted to analyze the model and compared with the simulation results which are very useful in studying the performance of motor system. The simulation is carried out in MATLAB/Simulink environment.
BLDC Motor; PI Controller; Hall Sensors; Speed Torque Characteristics; MATLAB/SIMULINK
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