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    Commutation of permanent-magnet synchronous AC motors for military and traction applications

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    Authors
    Stewart, Paul cc
    Kadirkamanathan, Visakan
    Affiliation
    University of Sheffield
    Issue Date
    2003-06-05
    
    Metadata
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    Abstract
    The permanent-magnet ac (PMAC) motor requires accurate position information to be supplied to the controller so that the applied currents can be modulated in synchronism with the rotor. In the flux-weakening region of operation, accurate rotor position information is critical to control the relative phase of the applied stator voltages. The design of controllers, which can operate without direct position feedback, have been the subject of intense development. The most commonly cited justifications for the elimination of the absolute position encoder are those of cost, and the reduction of the overall dimensions of the motor. However, certain military specifications apply stringent constraints to the use of both sensors and estimation techniques. Absolute encoders are frequently prohibited for applications such as tank turret drives due to their relatively fragile nature. Fully sensorless operation has been the focus of development for all classes of electric motors, but again is precluded not only in certain military applications, but also in traction applications for a number of manufacturers.
    Citation
    Stewart, P. and Kadirkamanathan, K. (2003) 'Commutation of permanent-magnet synchronous AC motors for military and traction applications', IEEE Transactions on Industrial Electronics, 50 (3):629
    Publisher
    Institute of Electrical and Electronic Engineers
    Journal
    IEEE Transactions on Industrial Electronics
    URI
    http://hdl.handle.net/10545/621525
    DOI
    10.1109/TIE.2003.812459
    Additional Links
    http://ieeexplore.ieee.org/document/1203015/
    Type
    Article
    Language
    en
    ISSN
    02780046
    ae974a485f413a2113503eed53cd6c53
    10.1109/TIE.2003.812459
    Scopus Count
    Collections
    Institute for Innovation in Sustainable Engineering

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