1 code implementation • NeurIPS 2023 • Petar Bevanda, Max Beier, Armin Lederer, Stefan Sosnowski, Eyke Hüllermeier, Sandra Hirche
Many machine learning approaches for decision making, such as reinforcement learning, rely on simulators or predictive models to forecast the time-evolution of quantities of interest, e. g., the state of an agent or the reward of a policy.
no code implementations • 27 Jan 2022 • Petar Bevanda, Max Beier, Shahab Heshmati-Alamdari, Stefan Sosnowski, Sandra Hirche
To utilize it for efficient LTI control design, we learn a finite representation of the Koopman operator that is linear in controls while concurrently learning meaningful lifting coordinates.
1 code implementation • 8 Dec 2021 • Petar Bevanda, Max Beier, Sebastian Kerz, Armin Lederer, Stefan Sosnowski, Sandra Hirche
System representations inspired by the infinite-dimensional Koopman operator (generator) are increasingly considered for predictive modeling.
no code implementations • 15 Oct 2021 • Petar Bevanda, Johannes Kirmayr, Stefan Sosnowski, Sandra Hirche
We present a novel data-driven approach for learning linear representations of a class of stable nonlinear systems using Koopman eigenfunctions.
no code implementations • 4 Feb 2021 • Petar Bevanda, Stefan Sosnowski, Sandra Hirche
The Koopman operator allows for handling nonlinear systems through a (globally) linear representation.