MODELLING AND DEVELOPMENT OF CONTROLLER FOR BLDC MOTOR

Now-a-days Brush Less DC (BLDC) motors are extensively used in industrial applications because of their simplicity, feasibility and high-power density. Generally, DC motors dominate their use in various position control plants but they need periodical brush and commutator maintenance. Hence BLDC motors are used as they have electronic commutation. The BLDC motor speed control is done using different techniques using PWM, sensor less speed control. Different controllers are used for the speed control of BLDC motor. Most widely used controllers are PI and PID. This paper will discuss about the Electrical characteristic modelling of BLDC motor. This paper demonstrates MATLAB/Simulink model for speed control of BLDC motor using ZieglerNichol's method for tuning PID controller.