NDLI: Offset compensation in the estimation of flux in induction machines

Content Provider	IEEE Xplore Digital Library
Author	Seyoum, D. McKinnon, D. Rahman, M.F. Grantham, C.
Copyright Year	2003
Description	Author affiliation: Sch. of Electr. Eng. & Telecommun., New South Wales Univ., Sydney, NSW, Australia (Seyoum, D.; McKinnon, D.; Rahman, M.F.; Grantham, C.)
Abstract	Pure integrators pose a problem in the flux estimation of induction motors. The performance of the induction machine control mainly depends on the accuracy of the estimated flux. Error in the flux estimation system comprises of a drift produced by the integrator as a consequence of initial conditions and a drift produced by an offset error present in the back electromotive force (emf) due to terminal voltage and/or phase current sensor measurement offset error. The method proposed in this paper provides a simple and effective solution to these problems. The method compensates the error produced by the inherent problem in the pure integrator and measurement error. It can easily be applied in a DSP based induction machine control system for flux estimation. The computation burden is light and as such execution time remains low.
Sponsorship	IEEE Industrial Electronics Soc
Starting Page	1715
Ending Page	1720
File Size	368438
Page Count	6
File Format	PDF
ISBN	0780379063
DOI	10.1109/IECON.2003.1280316
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-11-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Induction machines Force measurement Induction motors Phase estimation Force sensors Voltage Sensor systems Current measurement Phase measurement Measurement errors
Content Type	Text
Resource Type	Article

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