Title :
An application of sensorless drive technology to a three-phase hybrid stepping motor drive
Author :
Ogasawara, Satoshi
Author_Institution :
Dept. of Electr. Eng., Okayama Univ., Japan
Abstract :
This paper presents a three-phase hybrid stepping motor drive system to which sensorless drive technology of brushless DC motors is applied. The drive system is characterized by measurement of back EMF in the motor windings. As a result, the drive system can damp rotor natural vibration of the three-phase hybrid stepping motor. Moreover, an acceleration and deceleration pattern is proposed to suppress undesirable transient vibration in acceleration, deceleration, and positioning operations. Some experimental results show that the experimental system can damp the rotor natural vibration even if the rotor inertia varies
Keywords :
AC motor drives; damping; rotors; stepping motors; vibrations; acceleration pattern; back EMF measurement; brushless DC motors; commutation signals; deceleration pattern; drive system; motor windings; pulse pattern; rotor inertia; rotor natural vibration damping; sensorless drive technology; three-phase hybrid stepping motor drive; undesirable transient vibration suppression; Acceleration; Brushless DC motors; Circuits; Commutation; DC motors; Motor drives; Open loop systems; Rotors; Sensorless control; Vibration control;
Conference_Titel :
Power Conversion Conference, 2002. PCC-Osaka 2002. Proceedings of the
Conference_Location :
Osaka
Print_ISBN :
0-7803-7156-9
DOI :
10.1109/PCC.2002.998099
