Control loop for finding initial translator position of linear synchronous motor

Refaat, Sameh and Nahavandi, Saeid 2004, Control loop for finding initial translator position of linear synchronous motor, International journal of robotics and automation, vol. 19, no. 2, pp. 1-5, doi: 10.2316/Journal.206.2004.2.206-2631.

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Title Control loop for finding initial translator position of linear synchronous motor
Author(s) Refaat, Sameh
Nahavandi, SaeidORCID iD for Nahavandi, Saeid
Journal name International journal of robotics and automation
Volume number 19
Issue number 2
Start page 1
End page 5
Publisher ACTA Press
Place of publication Anaheim, Calif.
Publication date 2004
ISSN 0826-8185
Keyword(s) permanent magnet synchronous motors
motor control
linear motors
commutation parameter
torque angle
feedback control
Summary This article presents a simple and reliable method for controlling the relative orientation between the two magnetic fields of a permanent magnet synchronous motor. Finding the initial (at motor powering- up time) value of this relative location is essential for the proper operation of the motor. After showing the system controllability, the utilized feedback control loop finds this initial relative orientation quickly and accurately. Further, using the proposed method allows considerable cost saving, as a 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 proposed relies on a single sensor, and it was tested when a relative encoder was used.

Language eng
DOI 10.2316/Journal.206.2004.2.206-2631
Field of Research 099999 Engineering not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, ACTA Press
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