Stable reduced-order models using Padé-type approximations

1 October 1974

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Automatic Control

Vol. 19 (5) , 615-616
https://doi.org/10.1109/tac.1974.1100661

Abstract

An algorithm is introduced which ensures that the reduced-order model derived by equating time-moments and by continued fraction synthesis will be stable, assuming the high-order system is stable.

Keywords

REDUCED ORDER SYSTEMS
POWER SYSTEM MODELING
TRANSFER FUNCTIONS
EQUATIONS
MOMENT METHODS
POWER ENGINEERING AND ENERGY
POLES AND ZEROS

This publication has 4 references indexed in Scilit:

Minimum realizations and system modeling. I. Fundamental theory and algorithms
AIChE Journal, 1972
Model stability in use of moments to estimate pulse transfer functions
Electronics Letters, 1971
A novel approach to linear model simplification
International Journal of Control, 1968
A method for simplifying linear dynamic systems
IEEE Transactions on Automatic Control, 1966