A compact, structural analysis amenable, port-Hamiltonian circuit analysis

06/04/2020

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by   John D. Pryce, et al.

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This article presents a simple port-Hamiltonian formulation of the equations for an RLC electric circuit as a differential-algebraic equation system, and a proof that structural analysis always succeeds on it for a well-posed circuit, thus providing a correct regularisation for numerical solution. The DAE is small - its number of variables/equations is at most the number of edges in the circuit graph.