Development of an Improved Frequency Limited Model Order Reduction Technique and Error Bound for Discrete-Time Systems
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Date
2021-12
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Mark
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Společnost pro radioelektronické inženýrství
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Abstract
Frequency limited model order reduction algorithm presented by Wang & Zilouchian for discrete-time systems provide unstable reduced-order models and also do not provide a priori error bound formula. Many stability-preserving model order reduction algorithms were presented; however, these methods produce significant approximation errors in the desired frequency interval. An improved algorithm of model order reduction for the discrete-time systems is presented. The proposed technique gives the stable reduced-order model and also provides less approximation error as compared with other algorithms and also provides the formula for the frequency response a priori error bound. Numerical examples provided at the end of the section show the efficacy of the proposed technique.
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Radioengineering. 2021 vol. 30, č. 4, s. 729-738. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2021/21_04_0729_0738.pdf
https://www.radioeng.cz/fulltexts/2021/21_04_0729_0738.pdf
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Peer-reviewed
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en