Abstract
This paper presents a Hybrid Fuzzy Proportional Integral controller for the speed control of Brushless DC (BLDC) motor. BLDC motors have many advantages over DC motors and induction motors. A fuzzy controller offers better speed response for start-up while PI controller has good compliance over variation of load torque but has slow settling response. Hybrid controller has an advantage of integrating a superiority of these two controllers for better control performances. In this paper, the classical PI controller is integrated with Fuzzy Logic controller to make hybrid control system with merits of both. Also it presents the comparative study between PI, Fuzzy, and hybrid Fuzzy-PI controller for the same. The dynamic characteristics of BLDC Motor such as speed, torque, current and back EMF are analyzed for varied load torque conditions through simulation under MATLAB SIMULINK environment.
Published Version
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