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Now the user can drag or place these components block on a new model page.

Shown in figure 3įigure 3 Power Electronics Components Blocks For searching power electronics components blocks the user just write the word power electronic on search Manu bar then a new page would be opened which have all the power electronics components blocks such as power diode, MOSFET and thyristors etc.

Here we want to make the closed loop control of BLDC motor circuit therefore we will have to search or choose the power electronics components blocks. For making any circuit the user will first choose or search the related components blocks. On this new blank page, the user can make any type of related circuit. But for making any new circuit or model, first the user will click on new model option then a new blank page would be opened shown in figure 2 This MATLAB Simulink library browser have different options on their Manu bar as well as this page also have different components blocks. For making a new Simulink model first they will open the MATLAB software and then click on Simulink library browser then a new page would be opened shown is figure 1 Beside this, we will also learn the user how they can make a new Simulink model in MATLAB. In this article we will learn the user how they can control the speed of BLDC motor by using PID (proportional integral derivative) controller with the help MATLAB Simulink. Beside this, the BLDC motor has high power density and high torque to weight ratio as compared to stepper and induction motor. Instead of this, we can easily control the angular position of brushed dc motor. The only difference between BLDC motor and brushed dc motor is that we can easily control the speed of BLDC motor but we can’t control the angular position of this motor. The BLDC motor is almost similar with brushed dc motor such as stepper motor. Closed Loop Control of BLDC Motor: Closed loop control of brushless direct current (BLDC) motor is a system that is used for controlling the speed of BLDC motor.