NDLI: Integrated uncertainty model identification and robust control synthesis for linear time-invariant systems

Content Provider	IEEE Xplore Digital Library
Author	Rodonyi, G. Bokor, J.
Copyright Year	2006
Description	Author affiliation: Syst. & Control Lab., Hungarian Acad. of Sci., Budapest (Rodonyi, G.; Bokor, J.)
Abstract	Given a nominal model, an integrated uncertainty model identification and mu-synthesis algorithm is presented for linear time-invariant (LTI) systems. The goal is 1) to construct an uncertainty model set characterized by parameterized weighting functions of dynamic perturbations and disturbances in the general linear fractional transformation (LFT) form - customary representation in modern robust control and 2) to select from this set according to closed-loop control objectives. The motivation is the simultaneous model validation and model optimization with respect to closed-loop requirements. The algorithm works on sampled, bounded-energy experimental data on the frequency-domain and integrates nominal model invalidation, uncertainty model construction and control synthesis in order to achieve robust performance. Standard D-K iteration steps are combined with an optimization step on a group of selected data. The method is demonstrated on a simple numerical example, where the results are comparable with analytic computations
Starting Page	1
Ending Page	6
File Size	180128
Page Count	6
File Format	PDF
ISBN	0978672011
DOI	10.1109/MED.2006.328815
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-28
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	MEDITERRANEAN CONTROL ASSOCIATION
Subject Keyword	Robust control Process design Uncertainty Automation Control design Laboratories Control system synthesis Automatic control Control systems Frequency domain analysis
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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