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Digital twins of nonlinear dynamical systems: A perspective (2309.11461v1)

Published 20 Sep 2023 in cs.LG, math.DS, nlin.CD, and physics.data-an

Abstract: Digital twins have attracted a great deal of recent attention from a wide range of fields. A basic requirement for digital twins of nonlinear dynamical systems is the ability to generate the system evolution and predict potentially catastrophic emergent behaviors so as to providing early warnings. The digital twin can then be used for system "health" monitoring in real time and for predictive problem solving. In particular, if the digital twin forecasts a possible system collapse in the future due to parameter drifting as caused by environmental changes or perturbations, an optimal control strategy can be devised and executed as early intervention to prevent the collapse. Two approaches exist for constructing digital twins of nonlinear dynamical systems: sparse optimization and machine learning. The basics of these two approaches are described and their advantages and caveats are discussed.

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Authors (1)
  1. Ying-Cheng Lai (115 papers)
Citations (2)
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