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μ-Analysis of indirect self control of an induction machine
KTH, School of Electrical Engineering (EES), Automatic Control. Bombardier Transportation, Sweden.
2005 (English)Conference paper (Refereed)
Abstract [en]

Robust stability and performance of an induction machine controlled with Indirect Self Control (ISC) are examined through μanalysis. The analysis indicates poor robust performance at higher rotor speeds. Using reasonable parameter deviations between plant and controller, the predicted bad performance is however hard to verify through simulations. The tested parameter variations seem not to generate the worst case model errors. in simulations, the ISC therefore outperforms linear controllers optimized with respect to the robust performance criterion (at dispense of nominal performance). The large predicted sensitivity to model errors however explains the large impact on performance due to seemingly small differences in the implementation of the ISC control.

Place, publisher, year, edition, pages
2005. 25-30 p.
, IFAC Proceedings Volumes (IFAC-PapersOnline), ISSN 1474-6670 ; 16
Keyword [en]
Control applications, H-infinity control, Motor control, Robustness, Stability analysis, Indirect self controls, Induction machines, Linear controllers, Model errors, Parameter deviations, Parameter variation, Robust performance, Robust stability and performance, Rotor speed, Worst-case models, Automation, Control, Errors, Linear control systems, Speed control, Controllers
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-157082ScopusID: 2-s2.0-79960704824ISBN: 008045108XISBN: 9780080451084OAI: diva2:772207
16th Triennial World Congress of International Federation of Automatic Control, IFAC 2005; Prague; Czech Republic; 3 July 2005 through 8 July 2005

QC 20141216

Available from: 2014-12-16 Created: 2014-12-05 Last updated: 2014-12-16Bibliographically approved

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