Abstract
This paper presents the optimal proportional-integral-derivative (PID) controller design for the brushless direct current (BLDC) motor speed control system by using the Levy-flight intensified current search (LFICuS). Based on modern optimization, the LFICuS is one of the most powerful metaheuristic optimization techniques developed from the electric current flowing through the electric networks. The error between the referent speed and actual speed is set as the objective function to be minimized by the LFICuS according to the constraint functions formed from the design specification. As results, it was found that the PID controller can be optimally achieved by the LFICuS. The speed responses of the BLDC motor speed controlled system are very satisfactory according to the given design specification.
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