Modified integrator for voltage model flux estimation of induction motors
Hinkkanen, M.
Luomi, J.
Power Electron. Lab., Helsinki Univ. of Technol., Finland;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Aug. 2003
Volume: 50,
Issue: 4
On page(s): 818- 820
ISSN: 0278-0046
INSPEC Accession Number: 7708563
Digital Object Identifier: 10.1109/TIE.2003.814996
Current Version Published: 2003-07-28
Abstract
This letter deals with voltage model flux estimators for sensorless induction motor drives. In order to eliminate the drift problems, the pure integrator of the voltage model is replaced with a first-order low-pass filter, and the error due to this replacement is compensated in a very simple way.
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