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Title: Operation of a sensorless PMSM drive without additional test signal injection
Authors: Raute, Reiko
Caruana, Cedric
Spiteri Staines, Cyril
Cilia, Joseph
Sumner, Mark
Asher, Greg M.
Keywords: Permanent magnets
Pulse-duration modulation
Vector control
Variable speed drives
Issue Date: 2008
Publisher: Institute of Electrical and Electronics Engineers Inc.
Citation: Raute, R., Caruana, C., Staines, C. S., Cilia, J., Sumner, M., & Asher, G. (2008). Operation of a sensorless PMSM drive without additional test signal injection. 4th IET International Conference on Power Electronics, Machines and Drives, York. 616-620.
Abstract: The operation of a novel sensorless technique measuring the current derivative during the zero voltage vectors, without the need of injection of extra test signals or modification of the fundamental switching pattern, is investigated. The algorithm uses the back EMF and rotor saliency of a permanent magnet synchronous machine (PMSM). This paper focuses on extending the sensorless operation to all four quadrants. It is shown that as the back EMF component is obtained independently of voltage sensing, it is useable down to significant low speed, even allowing correct initialization of the algorithm.
Description: The authors would like to acknowledge the support provided by the European Commission under a Marie Curie Research Training Network for realizing this work under the MEST-CT-2004-504243 Research Project.
Appears in Collections:Scholarly Works - FacEngIEPC

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