This document describes modeling and simulation of a brushless DC motor using PWM control. It presents the mathematical model of a BLDC motor and discusses speed control techniques using a closed loop system with a PI controller. Simulation results in Simulink show the motor maintaining a set speed of 1650 rpm even when a load torque is applied, demonstrating effective speed regulation. Back EMF, phase voltages, phase currents, speed, and torque waveforms are presented. The paper concludes the PWM control method provides high accuracy speed control of the PMBLDC motor.