Set of q-Markov covariance equivalent models of discrete systems
- 1 July 1987
- journal article
- research article
- Published by Taylor & Francis in International Journal of Control
- Vol. 46 (1) , 1-12
- https://doi.org/10.1080/00207178708933879
Abstract
One criterion that has been developed for obtaining reduced-order models is the matching of a finite number of terms in the impulse and autocorrelation sequences. In this paper a model-reduction technique which preserves the first q-Markov parameters and covariances is developed for discrete systems. This method obtains a set of reduced-order models by projection and contains earlier models as a special case.Keywords
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