Enhancement of the least-squares Padé method for discrete systems

Enhancement of the least-squares Padé method for discrete systems

Abstract The least-squares Padé method for discrete system order reduction is further enhanced. First, it is shown how the method may be extended to produce true least-squares approximations between the time responses of the full and reduced models. Second, it is shown how different stable reduced d...

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Veröffentlicht in:Proceedings of the Institution of Mechanical Engineers. Part I, Journal of systems and control engineering Journal of systems and control engineering, 2000-03, Vol.214 (2), p.139-148
1. Verfasser: Lucas, T N
Format: Artikel
Sprache:eng
Schlagworte:
Discrete systems
Least squares
Markov processes
Mechanical engineering
Model reduction
Set theory
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Zusammenfassung:Abstract The least-squares Padé method for discrete system order reduction is further enhanced. First, it is shown how the method may be extended to produce true least-squares approximations between the time responses of the full and reduced models. Second, it is shown how different stable reduced degree denominator polynomials can be generated from subsets of the system Markov parameters. Examples are given to illustrate these enhancements to the method.
ISSN:0959-6518
2041-3041
DOI:10.1243/0959651001540861