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Robust identification of a single axis high precision positioning system

Raafat, Safanah M. and Martono, Wahyudi and Akmeliawati, Rini and Legowo, Ari (2009) Robust identification of a single axis high precision positioning system. In: 5th International Colloquium on Signal Processing & Its Applications, 2009. CSPA 2009. , 6-8 March 2009, Kuala Lumpur, Malaysia.

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Robust control has been studied in recent years as an efficient methodology for the design of highly performing controllers of positioning systems. However, it is necessary to provide accurate nominal model and associated uncertainty bounds to design this type of controllers. The aim of this paper is to robustly identify a single axis high precision positioning system with uncertainties. For a given data set a nominal model is identified then model error modeling techniques are used to handle uncertainties in modeling. To examine the quality of the identified nominal and modeling error models Hinfin is designed based on the identified uncertainties. Computer simulation and experimenting with the high precision positioning system verify that the obtained nominal model and modeling error model are reliable and the implemented approach can be used to develop an integrated identification and robust controller.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 5806/5370
Uncontrolled Keywords: H∞ control , identification for robust control , model error modeling , robust stability and performance analysis , servo system
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212 Control engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Prof. Dr. Rini Akmeliawati
Date Deposited: 14 Nov 2011 14:14
Last Modified: 22 Nov 2011 14:10
URI: http://irep.iium.edu.my/id/eprint/5370

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