NDLI: A robust field-weakening control strategy for surface-mounted permanent-magnet motor drives

Content Provider	IEEE Xplore Digital Library
Author	Ching-Tsai Pan Jenn-Horng Liaw
Copyright Year	1986
Abstract	In this paper, a novel robust field-weakening control strategy is proposed for surface-mounted permanent-magnet motor drives to achieve fast dynamic response and minimum copper loss over four-quadrant operation regions. First, a closed-form solution of the maximum available torque-producing current is proposed for calculating the corresponding bounds in real time to achieve both fast response and automatic field-weakening control. Second, the partial field-weakening concept and the classification of ten operation regions for four-quadrant operations are proposed. It is seen that consideration of the stator resistance is crucial to achieve the fastest response. Third, a robust tuner based on the proposed virtual maximum phase voltage amplitude together with a minimum copper-loss controller based on the partial field-weakening concept is proposed to achieve minimum copper loss over the entire operating range. Fourth, a dc-link voltage sensorless control version is also proposed which is very useful in electrical vehicle applications. Finally, a digital-signal-processor-based prototype driver is also constructed to verify the validity of the proposed control strategy.
Sponsorship	IEEE Power Engineering Society
Starting Page	701
Ending Page	709
Page Count	9
File Size	946286
File Format	PDF
ISSN	08858969
Volume Number	20
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control Permanent magnet motors Sensorless control Automatic control Copper Vehicle dynamics Closed-form solution Torque control Stators Tuners surface-mounted permanent-magnet (PM) synchronous motor Field-weakening control minimum copper loss
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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