Harmonic control to reduce torque pulsations in brushless dc motor drives
Abstract
The brushless direct current (dc) machine theoretically offers wide speed range torque characteristics like unto the commutator dc machine. However, in brushless dc motor drive systems there exists a performance deficiency in that at near zero speeds driven mechanical loads can respond to the pulsating component of developed torque when simple rotor position-activated switching is utilized. This report analytically develops a pulse width modulation control philosophy that reduces torque pulsations to an acceptable level.
- Publication:
-
Final Report
- Pub Date:
- March 1984
- Bibcode:
- 1984kyu..rept.....C
- Keywords:
-
- Direct Current;
- Harmonic Control;
- Pulse Position Modulation;
- Torque Motors;
- Armed Forces (United States);
- Computer Programs;
- Electric Contacts;
- Mechanical Drives;
- Numerical Control;
- Phase Modulation;
- Reduction;
- Research;
- Electronics and Electrical Engineering