Review of position-sensorless operation of brushless permanent-magnet machines

The operation of a brushless permanent-magnet machine requires rotor-position information, which is used to control the frequency and phase angle of the machine's winding currents. Sensorless techniques for estimating rotor position from measurements of voltage and current have been the subject...

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Bibliographic Details
Published inIEEE transactions on industrial electronics (1982) Vol. 53; no. 2; pp. 352 - 362
Main Authors Acarnley, P.P., Watson, J.F.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.04.2006
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Brushless machines
Cost function
Current measurement
Electric potential
estimation
Flux
Force sensors
Inductance
Industrial electronics
Linkages
Machine windings
Motional
Optical devices
permanent-magnet (PM) machines
Position measurement
reviews
Rotors
Sensorless control
State of the art
Voltage
Voltage measurement
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ISSN0278-0046
1557-9948
DOI10.1109/TIE.2006.870868

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Summary:The operation of a brushless permanent-magnet machine requires rotor-position information, which is used to control the frequency and phase angle of the machine's winding currents. Sensorless techniques for estimating rotor position from measurements of voltage and current have been the subject of intensive research. This paper reviews the state of the art in these sensorless techniques, which are broadly classified into three types: motional electromotive force, inductance, and flux linkage.
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ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2006.870868