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Unsupervised deviation detection by GMM - A simulation study
Volvo Technology.
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Intelligent systems (IS-lab).ORCID iD: 0000-0001-5163-2997
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Intelligent systems (IS-lab).
Volvo Technology.
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2011 (English)In: SDEMPED 2011: 8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives : September 5-8, 2011, Bologna, Italy, Piscataway, N.J.: IEEE Press, 2011Conference paper, Published paper (Refereed)
Abstract [en]

A new approach to improve fault detection of electrical machines is proposed. The increased usage of electrical machines and the higher demands on their availability requires new approaches to fault detection. In this paper we demonstrate that it is possible to detect a certain fault on a PMSM (Permanent Magnet Synchronous Machine) by using multiple similar motors, or a single motor, to build a norm of expected behavior by monitoring signal relations. This means that the machine is monitored in an unsupervised way. Four levels of an increased temperature in the rotor magnets have been investigated. The results are based on simulations and the signals used (for relation measurements) are available in a real motor installation. The method shows promising results in detecting two of the temperature faults. © 2011 IEEE.

Place, publisher, year, edition, pages
Piscataway, N.J.: IEEE Press, 2011.
Keyword [en]
Data mining, fault detection, machine learning, mechatronics, PMSM
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-16167DOI: 10.1109/DEMPED.2011.6063601Scopus ID: 2-s2.0-81255176446ISBN: 978-142449303-6 OAI: oai:DiVA.org:hh-16167DiVA: diva2:439142
Conference
8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives, SDEMPED 2011, Bologna, Italy, 5-8 September, 2011
Available from: 2011-09-06 Created: 2011-09-06 Last updated: 2013-10-15Bibliographically approved

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Svensson, MagnusRögnvaldsson, ThorsteinnByttner, Stefan
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CiteExportLink to record
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