Quantization-Based Simulation of Differential Algebraic Equation Systems

doi:10.1177/0037549703038881

Quantization-Based Simulation of Differential Algebraic Equation Systems

2003-07-01

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DOI：10.1177/0037549703038881

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The author studies the use of first-and second-order quantized state systems methods (QSS and QSS2) in the simulation of differential algebraic equation (DAE) systems. A general methodology to obtain the QSS and the QSS2 approximations of a generic DAE of index 1 is provided, and their corresponding discrete event system (DEVS) implementations are developed. Furthermore, an alternative method is given based on the block-by-block translation from block diagrams containing algebraic loops into coupled DEVS representations of the corresponding QSS and QSS2 approximations. The author shows that the main advantages provided by the quantization-based methods in the simulation of ordinary differential equations—stability properties, reduction of computational costs, sparsity exploitation, and so on—are still verified in DAEs. These advantages are illustrated and discussed in the simulation of two examples that show the main features of the methodology.

Quantization-Based Simulation of Differential Algebraic Equation Systems

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