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Communication Dans Un Congrès Année : 2011

Algebraic characterization of the invariant zeros structure of LTV bond graph models

Résumé

In this paper, invariant zeros structure of linear time varying systems modeled by bond graph is derived by using module theory. Infinite structure of the bond graph model is used to get the number of invariant zeros. In the linear time invariant case, null invariant zeros can be directly pointed out, it is no more true for linear time varying models. A new rule based on the finite structure of the bond graph model is given. Algebraic calculations of torsion modules clarify this difference. Based on a simple modified RLC circuit, different comparative approaches are proposed. A theoretical form based on Jacobson forms of system matrices is proposed and developed with a Maple programm. Some simulations with 20-sim illustrate the results.
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Dates et versions

hal-00749595 , version 1 (07-11-2012)

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  • HAL Id : hal-00749595 , version 1

Citer

Christophe Sueur, Geneviève Dauphin-Tanguy, Dapeng Yang. Algebraic characterization of the invariant zeros structure of LTV bond graph models. 5th International Conference on "Integrated Modeling and Analysis in Applied Control and Automation" IMAACA'11, part of I3M2011 "International Mediterranean and Latin American Modelling Multiconference, Sep 2011, rome, Italy. pp.cd rom. ⟨hal-00749595⟩
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