Controlling the relative orientation between the two magnetic fields of a synchronous motor
Refaat, Sameh and Nahavandi, Saeid 2001, Controlling the relative orientation between the two magnetic fields of a synchronous motor, in 2001 IEEE International Conference on Systems, Man & Cybernetics : e-systems and e-man for cybernetics in cyberspace : October 7-10, 2001, Tucson Convention Center, Tucson, Arizona, United States, IEEE Xplore, Piscataway, N.J., pp. 3169-3174.
2001 IEEE International Conference on Systems, Man & Cybernetics : e-systems and e-man for cybernetics in cyberspace : October 7-10, 2001, Tucson Convention Center, Tucson, Arizona, United States
IEEE International Conference on Systems, Man, and Cybernetics
Start page
3169
End page
3174
Publisher
IEEE Xplore
Place of publication
Piscataway, N.J.
Summary
A simple and reliable method for controlling the relative orientation between the two magnetic fields of a permanent magnet synchronous motor is presented. Finding the initial (at motor powering-up time) value of this relative location is essential for the proper operation of the motor. The feedback control loop used finds this initial relative orientation quickly. 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 relied upon a single sensor, and it has been tested when a relative encoder was used
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