NDLI: Comparison of several control strategies for DC brushless drives

Content Provider	IEEE Xplore Digital Library
Author	Grenier, D. Mende, R. Louis, J.P.
Copyright Year	1994
Description	Author affiliation: URA CNRS, Ecole Normale Superieure, Cachan, France (Grenier, D.; Mende, R.; Louis, J.P.)
Abstract	Two modelings for control of the DC brushless drives or more generally for synchronous motors with nonsinusoidal counter-electromotive forces are presented. Using these modelings, three different kinds of control strategies can be thought out. The reference commutation angles for 120/spl deg/ voltage control strategies are defined using the "abc" modeling and the controller is calculated in the same frame. The reference currents can be also computed using an extension of the Park's transformation. They can be either controlled in the "abc" frame or in "dq" frame. These three strategies have been implemented on the same test bed driven by a digital signal processor. Comparisons are performed with torque measurement using a quartz torque transductor. It is shown that in order to obtain a good torque quality, a 120/spl deg/ voltage control strategy with a current loop is not enough. A good position estimation is necessary and in this case the control laws in the "abc" frame give good results. This strategy does not need a very powerful microcontroller but the efficiency of the drive does not remain optimal. The best performances are obtained for "dq"-frame vector control which needs the use of a digital signal processor.
Starting Page	26
Ending Page	31
File Size	444517
Page Count	6
File Format	PDF
ISBN	0780313283
DOI	10.1109/IECON.1994.397744
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-09-05
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage control Digital signal processors Force control Synchronous motors Commutation Testing Performance evaluation Torque measurement Microcontrollers Machine vector control
Content Type	Text
Resource Type	Article

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