NDLI: Adaptive disturbance accommodating controller for nonlinear stochastic systems

Content Provider	IEEE Xplore Digital Library
Author	George, J. Singla, P. Crassidis, J.L.
Copyright Year	2012
Description	Author affiliation: Dept. of Mech. & Aerosp. Eng., State Univ. of New York at Buffalo, Amherst, NY, USA (Singla, P.; Crassidis, J.L.) \|\| U.S. Army Res. Lab., Adelphi, MD, USA (George, J.)
Abstract	This paper presents the the formulation of an adaptive disturbance accommodating controller for nonlinear stochastic systems with unknown nonlinearities and external disturbances. The disturbance accommodating control scheme presented here utilizes an estimator to determine the corrections to the nominal control input required to minimizes the effects of both unknown system nonlinearities and external disturbances on the controlled system. Similar to the disturbance accommodating controller for linear systems, performance of the nonlinear disturbance accommodating controller depends on the accuracy of the assumed disturbance model. The proposed formulation indicates that an adaptive law can be developed for updating the process noise covariance matrix associated with the disturbance model online so that the controlled system is stable.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	1003
Ending Page	1010
File Size	449575
Page Count	8
File Format	PDF
ISBN	9781457710957
ISSN	07431619
e-ISBN	9781457710964
e-ISBN	9781467321020
DOI	10.1109/ACC.2012.6314675
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Noise Noise measurement Control systems Adaptive systems Xenon Process control Covariance matrix
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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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