State-space models using simplified Routh approximation method

TitleState-space models using simplified Routh approximation method
Publication TypeJournal Article
Year of Publication1987
AuthorsSastry, G. V. K. R., and V. Krishnamurthy
JournalElectronics Letters
Pagination1300 -1301
Date Publishednov.
Keywordscompanion form, Markov parameters, Markov processes, matrix algebra, reduced-order models, Routh approximation method, state-space form, state-space methods, system matrices

Model reduction by the simplified Routh approximation method (SRAM) is extended to produce reduced-order models directly in state-space form from the given system matrices in companion form. The method involves only one Routh-type array, and avoids the necessity for matrix inversion and multiplication of the system matrices and the use of recursive formulas. An example demonstrates its use.


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