Brushless motors have come to monopolize over many applications such as automobile industries, medical instruments, aerospace applications etc. The features such as high power density, high reliability, compact size, wide range of speed control etc make brushless dc (BLDC) motor distinct from other motors. The ordinary control methods of BLDC conduce high ripples in torque and speed. Here an unaccustomed method is used for controlling the BLDC motor. A firefly algorithm technique with proportional-integral-derivative (PID) controller is used to elevate the dynamic control of BLDC motor. Compared to any other optimization techniques, firefly algorithm (FA) is most effective tool and it gives surpassing performance in the field of optimization. Here PID controller based FA technique is used, which results in torque and speed ripple reduction, and gives a better output.

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