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Designing of Closed Loop Speed Control for BLDC Motor

International Journal of Emerging Trends in Science and Technology

Volume 5 Issue 2

Published: 2019
Author(s) Name: A. Saranya and P. L. Somasundaram | Author(s) Affiliation: Dept. of Electrical and Electronics Engineering, M. Kumarasamy Collg. of Engg, Tamil Nadu
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Abstract

Brushless Less DC motors has a specific characteristics like high starting torque, high efficiency and it has long life it has also termed as permanent magnet synchronous motor. Due to the construction that suitable for the critical application it is widely used in the industrial area. By comparing BLDC motor with the induction motor and DC motor it has several advantage such as long life and no need of mechanical commutation. In order to make the system stable in these project we have used the Proportional Integral Derivative controller and the fuzzy logic controller. In the BLDC Motor for giving the gate signal the angle value of theta is given. In order to find the error in the output side the feedback controller is used and it is directly connected to the multilevel inverter for getting the desired output the feedback is given to input. By using the MATLAB Simulation the BLDC motor characteristics such as back emf, speed, current has been determined.

Keywords: BLDC motor, Fuzzy logic controller, Inverter circuit model, PID controller.

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