Title :
The design of small high speed brushless DC drives with precise speed stability
Author :
Jack, A.G. ; Acarnley, P.P. ; Jowett, P.T.
Author_Institution :
Newcastle upon Tyne Univ., UK
Abstract :
Consideration is given to the design of small brushless DC drives for applications such as laser scanners or gyros in which high speeds are coupled with the requirement for precise speed stability. The design features of these drives are discussed with attention being given to minimization of torque ripple and the control strategies necessary to limit speed oscillations, inherent in this type of drive, to give speed stability to better than five parts per million. Experimental results for speed stability for a commercially available drive are presented and a prototype drive for the application is described.<>
Keywords :
DC motors; electric drives; small electric machines; velocity control; control strategies; gyros; laser scanners; precise speed stability; small high speed brushless DC drives; speed oscillations; torque ripple; Drives; Laser applications; Laser stability; Optical coupling; Optical design; Prototypes; Torque control;
Conference_Titel :
Industry Applications Society Annual Meeting, 1988., Conference Record of the 1988 IEEE
Conference_Location :
Pittsburgh, PA, USA
DOI :
10.1109/IAS.1988.25107
