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An improved speed and position estimator for salient permanent-magnet synchronous motors
2005 (English)In: IEEE transactions on industrial electronics (1982. Print), ISSN 0278-0046, E-ISSN 1557-9948, Vol. 52, no 1, 255-262 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, an improved phase-locked-loop-type speed and position estimator for permanent-magnet synchronous motor (PMSM) drives is considered. Particular attention is put on salient-rotor PMSMs with fast mechanical dynamics. A method is presented, whereby significantly improved tracking is achieved. While saliency makes nominal-speed stability more difficult to guarantee (an analysis of this is presented), a benefit is that signal-injection methods can be used at low speeds for accurate position estimation, which is also included in the modified estimator.

Place, publisher, year, edition, pages
2005. Vol. 52, no 1, 255-262 p.
Keyword [en]
permanent-magnet synchronous motor (PMSM), phase-locked loop, position estimation, sensorless control, signal injection, speed estimation, sensorless control
Identifiers
URN: urn:nbn:se:kth:diva-14498DOI: 10.1109/TIE.2004.841088ISI: 000226755900029OAI: oai:DiVA.org:kth-14498DiVA: diva2:332539
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Wallmark, Oskar

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