Reduced-Order modeling of flexible structures

Jayant V. Ramakrishnan, S. Vittal Rao, Leslie R. Koval

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


An alternate procedure for deriving a reduced-order model is presented. The Routh expansion method is used and preserves the original system impulse response energy. This procedure does not acquire knowledge of the system eigenvalues/eigenvectors and guarantees a stable reduced-order model if the original system is stable. The method is illustrated on a simply supported beam subjected to moment excitation. A comparison is made with reduced-order models obtained using other methods.

Original languageEnglish
Pages (from-to)459-464
Number of pages6
JournalJournal of Guidance, Control, and Dynamics
Issue number5
StatePublished - 1988


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