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- W4225502807 abstract "In this contribution, we propose a data-driven procedure to fit quadratic-bilinear surrogate models from data. Although the dynamics characterizing the original model are strongly nonlinear, we rely on lifting techniques to embed the original model into a quadratic-bilinear format. Here, data represent generalized transfer function values. This method is an extension of methods that do bilinear, or quadratic inference, separately. It is based on first fitting a linear model with the classical Loewner framework, and then on inferring the best supplementing nonlinear operators, in a least-squares sense. The application scope of this method is given by electrical circuits with nonlinear components (such as diodes). We propose various test cases to illustrate the performance of the method." @default.
- W4225502807 created "2022-05-05" @default.
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- W4225502807 date "2021-12-02" @default.
- W4225502807 modified "2023-09-24" @default.
- W4225502807 title "A framework for fitting quadratic-bilinear systems with applications to models of electrical circuits" @default.
- W4225502807 hasPublicationYear "2021" @default.
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