Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Model Reduction Method Preserving the Steady-State Gain and Its Application to Electric Power Systems
Joe KUWABARATakuma HOSOKAWAYoshio EBIHARATomomichi HAGIWARAYasuo MORIOKA
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2003 Volume 16 Issue 9 Pages 476-483

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Abstract

This paper is concerned with a model reduction method taking account of the steady-state gain, while keeping the H norm of the associated error system as small as possible with the LMI optimization technique. Taking account of the steady-state gain leads to decreasing the integrated square error between the step response of the original system and that of the reduced order system. The proposed method is applied to the reduction of the model of a multi-machine electric power system to demonstrate its effectiveness.

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