Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
H2-optimal controller reduction by frequency-weighted balanced realization
Tsutomu NAGADOEtsujiro SHIMEMURATsutomu ISHIDAKenko UCHIDA
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1997 Volume 10 Issue 1 Pages 18-25

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Abstract

In this paper, we propose a new controller reduction method which considers maintaining the index value of H2-optimal controller. In the method, a frequency-weighted balanced realization technique developed by Enns is employed to obtain low order controllers. The fractional representation is used to reduce the order of unstable controllers effectively. To illustrate the effectiveness of our method, two numerical examples are presented.

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