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On rapid vector alignment in permanent magnet brushless motor

Refaat, Sameh, Nahavandi, Saeid and Boland, P. 2002, On rapid vector alignment in permanent magnet brushless motor, in IEEE ICIT' 02 : 2002 IEEE International Conference on Industrial Technology : productivity reincarnation through robotics & automation : 11-14 December 2002, Shangri-La Hotel, Bangkok, Thailand, IEEE Xplore, Piscataway, N.J., pp. 572-577.

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Title On rapid vector alignment in permanent magnet brushless motor
Author(s) Refaat, Sameh
Nahavandi, Saeid
Boland, P.
Conference name IEEE International Conference on Industrial Technology (2002 : Bangkok, Thailand)
Conference location Bangkok, Thailand
Conference dates 11-14 December 2002
Title of proceedings IEEE ICIT' 02 : 2002 IEEE International Conference on Industrial Technology : productivity reincarnation through robotics & automation : 11-14 December 2002, Shangri-La Hotel, Bangkok, Thailand
Editor(s) Parnichkun, Manukid
Publication date 2002
Start page 572
End page 577
Publisher IEEE Xplore
Place of publication Piscataway, N.J.
Summary A software replacement for the commutation signals of a permanent magnet brushless motor is presented. The feedback observed acceleration loop or equivalently the high-order position polynomial controller allows finding the initial relative orientation between the two magnetic fields of the motors within a fraction of a second. Also, using the proposed method allows a considerable cost saving, since the transducer that is usually used for this purpose can be eliminated. The cost saving is most obvious in the case of linear motors and angle motors with large diameters. The way the problem is posed is an essential part of this work and it is the reason behind the apparent simplicity of the solution. The method has been tested when a relative encoder was used and the motor current was regulated.
Notes This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
ISBN 0780376579
9780780376571
Language eng
Field of Research 090699 Electrical and Electronic Engineering not elsewhere classified
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2002, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30009559

Document type: Conference Paper
Collections: School of Engineering and Technology
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