An adaptive stator resistance estimation technique for sensorless permanent magnet synchronous motor drive Online publication date: Sun, 17-May-2009
by Suman Maiti, Chandan Chakraborty
International Journal of Automation and Control (IJAAC), Vol. 3, No. 2/3, 2009
Abstract: A proper estimation of stator resistance is extremely important for various reasons in permanent magnet synchronous motor drives. The increase of the resistance is an indirect measure of the temperature rise or thermal loading of the stator. Therefore, an accurate and online estimation technique will help in condition monitoring of the machine. This paper proposes a new adaptive stator resistance estimation technique by processing the active power in the synchronously rotating reference frame. A Model Reference Adaptive System (MRAS) is formulated for this purpose. The algorithm is operated on a reactive power-based speed sensorless drive. The sensorless algorithm utilises a different MRAS using reactive power as the functional candidate in the same. The algorithm for the stator resistance estimation is applied in the steady state while the sensorless routine is always activated. The validity of the proposed technique is tested extensively in MATLAB/SIMULINK.
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Automation and Control (IJAAC):
Login with your Inderscience username and password:
Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.
If you still need assistance, please email subs@inderscience.com
Our Blog 
Follow us on Twitter 
Visit us on Facebook