TMS320F2812 BASED IMPLEMENTATION OF SENSORLESS CONTROL FOR BLDC MOTOR

摘要

The paper attempts to develop a novel sensorless control scheme suitable for brushless dc permanent magnet (BLDC-PM) motor with a view to elaborate its flexible operating status. It orients its focus to detect the zero crossing instant of the back emf and there from assuage a methodology to control the speed of the motor. The state of the art technology facilitates the use of a powerful processor to realize the strategy in real time. It includes MATLAB simulation to evaluate its performance and seeks the role of DSP (Digital Signal Processor) TMS320F2812 controller to validate the same using a prototype. The results illustrate the ability of the proposed technique to improve the input power factor in addition to regulating the speed of the motor.