New adaptive sliding observers for position- andvelocity-sensorless controls of brushless DC motors
Chen, Z.
Tomita, M.
Doki, S.
Okuma, S.
Dept. of Electr. Eng., Nagoya Univ.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Jun 2000
Volume: 47,
Issue: 3
On page(s): 582-591
ISSN: 0278-0046
References Cited: 11
CODEN: ITIED6
INSPEC Accession Number: 6624307
Digital Object Identifier: 10.1109/41.847899
Current Version Published: 2002-08-06
Abstract
A new adaptive sliding observer is proposed for position- and
velocity-sensorless controls of a cylindrical brushless DC motor.
Stability of the proposed observer is guaranteed easily, because it is
based on a linear model of the motor. Sliding mode is applied for the
current estimation. Under the sliding mode, the order of the observer's
error equation is reduced. This makes the stability analysis easier, so
that robust position and velocity estimations might be achieved by the
pole assignment. Experimental results show that the proposed method is
very effective
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