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Simplification of Models for Stability Analysis of Large-Scale Systems

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Multivariable Control

Abstract

The method of stability analysis presented in this study allows a definition to be made of a reduced order model of a high-order, Lurie-Post-nikov system. This reduced order system has two main properties for our purpose: linear conjecture can be applied to it, and the stability of its equilibrium involves the same property for the equilibrium of the original system. Moreover these stability conditions may be easily checked and they directly determine an admissible sector for variations of the non-linear static gain. A common algebraic condition appears in the different stated theorems. A section deals with solving this condition, and a method based on the use of a particular algebraic array is proposed. In order to sum up and apply these results, a methodology for systems analysis is implemented, which both computes the expression of the reduced order system and the associated stability conditions. An example of a fourth-order system is then presented to illustrate the different steps of the study.

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© 1984 D. Reidel Publishing Company, Dordrecht, Holland

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Zambettakis, I., Richard, J.P., Rotella, F. (1984). Simplification of Models for Stability Analysis of Large-Scale Systems. In: Tzafestas, S.G. (eds) Multivariable Control. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6478-5_7

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  • DOI: https://doi.org/10.1007/978-94-009-6478-5_7

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-6480-8

  • Online ISBN: 978-94-009-6478-5

  • eBook Packages: Springer Book Archive

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