Logical Control of Permanent Magnet Brushless DC Motor

Abstract

The paper presents the simplest method for dominant the speed of PMDBLDC motor in which the switch of 3-? Bridge is completed by the output of hall sensors themselves. This is achieved by giving the output of hall sensors to the combinational logic circuit that decides the switch combos for electronic commutation of PMBLDC motor. For controlling the speed of motor the gate pulses of higher 3 switches area unit modulated exploitation PWM technique and then fed to the motive force. The PWM technique gives the swish variation of input voltage to the motor for dominant the speed.