Speed Control Using Fuzzy Controller for a Four Switch Sensorless BLDC Motor


Authors : Niba Shoby; Deepika Vasanthakumar; Anupama P K

Volume/Issue : Volume 5 - 2020, Issue 8 - August

Google Scholar : http://bitly.ws/9nMw

Scribd : https://bit.ly/35HqcZY

DOI : 10.38124/IJISRT20AUG689

- Brushless Direct Current (BLDC) motors are highly efficient motors with high reliability and a longer life span. The advent of sensor less technology has improved the performance and reliability of BLDC motor drives. This work is to analyze a drive system for BLDC motor with Four-Switch Three-Phase Inverter (FSTPI). Back Electromotive Force (EMF) Zero Crossing Detection (ZCD) method is used to estimate the rotor position. Speed control of motor is achieved by using Fuzzy Logic Controller (FLC) based closed loop control system. The Simulation was carried out using MATLAB software and motor the performance was analyzed with FLC for motor speed regulation.

Keywords : Brushless Direct Current Motor, Electromotive Force , Four switch Three Phase Inverter, Back EMF, Zero Crossing Detection, Fuzzy Logic Controller

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