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Characterisation of the mechanical motor parameters for a permanent magnet synchronous motor using induced torque harmonics

Heins, Greg, De Boer, Friso G. and Vafi, Sina (2007). Characterisation of the mechanical motor parameters for a permanent magnet synchronous motor using induced torque harmonics. In: AUPEC 07. Australasian Universities Power Engineering Conference, Perth, WA, 9-12 December 2007.

Document type: Conference Paper
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IRMA ID 78223132xPUB3
Author Heins, Greg
De Boer, Friso G.
Vafi, Sina
Title Characterisation of the mechanical motor parameters for a permanent magnet synchronous motor using induced torque harmonics
Conference Name AUPEC 07. Australasian Universities Power Engineering Conference
Conference Location Perth, WA
Conference Dates 9-12 December 2007
Conference Publication Title Magnet synchronous motor using induced torque harmonics: Proceedings of AUPEC 2007
Publisher IEEE Conference Publishing
Publication Year 2007
ISBN 978-0-646-49488-3   (check CDU catalogue open catalogue search in new window)
Start Page 484
End Page 488
Total Pages 5
HERDC Category E1 - Conference Publication (DEST)
Abstract Determination of mechanical motor parameters is often desirable for accurate control of permanent magnet synchronous motors. A good example where these parameters are needed is when the torque is reconstructed from velocity measurements. The method proposed in this paper allows the determination of the mechanical motor parameters while the motor is operating. This is done by inducing torque harmonics at frequencies that are not excited by the normal operation of the motor and measuring the velocity response. By using the reference current waveform methods this excitation can be done without the use of a torque sensor. Results show that the determined moment of inertia varies by a standard deviation of less than 1% over the operating range. The viscous friction, once normalised by the velocity and torque setpoints also varies by a standard deviation of less than 1%. The accuracy of this method has been further demonstrated by comparing the torque reconstructed using the determined parameters with the measured torque.
Additional Notes DOI: 10.1109/AUPEC.2007.4548073
Description for Link Link to published version
URL http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4548073
 
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