Learning of Switched Nonlinear Dynamical Systems
Cyber-physical systems can be found in various applications and identifying their hybrid dynamics from data is a challenging task due to the complexity of capturing both continuous and discrete components. Most hybrid system identification methods rely on passive learning, thus considering a fixed dataset without interacting with the system-under-learning. Active learning of hybrid systems remain less explored. In this talk we present a learning approach for nonlinear switched systems where switchings are state-dependent. This approach combines passive and active learning. The passive method involves solving an optimisation problem over a dataset, while the active method incrementally learns the hybrid dynamics by leveraging equivalence queries to locate discrepancies between the learned model and the true system and by exploiting counterexamples to refine the model.
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Thao Dang of Laboratory VERIMAG
Address:Grenoble, France