Modeling and Simulation of BLDC Motor for Minimizing the Cogging Torque, Harmonics and Torque Ripples

M. Arun Noyal Doss(1*), Velappa Ganapathy(2), V. Marthandan(3), D. Mahesh(4)

(1) SRM University, Chennai, India
(2) SRM University, Chennai, India
(3) SRM University, Chennai, India
(4) SRM University, Chennai, India
(*) Corresponding author


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Abstract


This paper proposes an improved methodology to minimize the cogging torque, harmonics and torque ripples in Brushless DC (BLDC) motor. First off, the cogging torque is reduced by designing the BLDC motor with bifurcated active surface area using Finite Element Analysis (FEA). The harmonics and torque ripple is minimized using PI and Fuzzy controllers. These controllers are analyzed to bring out an optimal solution. The effectiveness and flexibility of the individual techniques of proposed control method is verified through simulations [Matlab Simulink].
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Keywords


Brushless DC Motor (BLDCM); Cogging Torque; Fuzzy Controller; Stator Current Torque Ripple

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References


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