Approach to parameter estimation of unstable systems

Raol, JR and Gopalratnam, G (1996) Approach to parameter estimation of unstable systems. Institution of Engineers (India) Journal-EL, 77 . pp. 207-211.

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Abstract

In this paper, the problem of parameter estimation of highly unstable system is addressed. A technique of transformation of input/output data of a linear continuous time unstable system is presented. The transformation parameter selection is based on the real part of the largest unstable eigenvalue of the system. The numerical divergence problem associated with the identification of unstable systems is thus greatly alleviated. Results of numerical validation using simulated data are presented to support the claim.

Item Type: Journal Article
Uncontrolled Keywords: Eigenvalues;Transformed data;Numerical validation;Vector parameters
Subjects: AERONAUTICS > Aircraft Stability and Control
Division/Department: Flight Mechanics and Control Division, Flight Mechanics and Control Division
Depositing User: M/S ICAST NAL
Date Deposited: 07 Mar 2008
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4514

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