Comments on “Model Reduction Using the Routh Stability Criterion”

A. S. Rao, S. S. Lamba, S. V. Rao

Research output: Contribution to journalComment/debate

4 Scopus citations


A model reduction technique suggested in the above paper1 is discussed. Although the proposed method is very simple and devoid of any tedious calculations it is shown that the applicability of the technique is restricted. For those cases for which the procedure works the reduced order model matches the low-frequency response rather poorly. The proposed method is thus not suitable for the analysis and design of control systems.

Original languageEnglish
Pages (from-to)518
Number of pages1
JournalIEEE Transactions on Automatic Control
Issue number3
StatePublished - Jun 1979


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