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- W4315706522 abstract "We present a gradient-based calibration algorithm to identify the system matrices of a linear port-Hamiltonian system from given input-output time data. Aiming for a direct structure-preserving approach, we employ techniques from optimal control with ordinary differential equations and define a constrained optimization problem. The input-to-state stability is discussed which is the key step towards the existence of optimal controls. Further, we derive the first-order optimality system taking into account the port-Hamiltonian structure. Indeed, the proposed method preserves the skew-symmetry and positive (semi)-definiteness of the system matrices throughout the optimization iterations. Numerical results with perturbed and unperturbed synthetic data, as well as an example from the PHS benchmark collection demonstrate the feasibility of the approach." @default.
- W4315706522 created "2023-01-12" @default.
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- W4315706522 date "2023-01-10" @default.
- W4315706522 modified "2023-10-16" @default.
- W4315706522 title "Data-driven adjoint-based calibration of port-Hamiltonian systems in time domain" @default.
- W4315706522 doi "https://doi.org/10.48550/arxiv.2301.03924" @default.
- W4315706522 hasPublicationYear "2023" @default.
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