Context-aware controller inference

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• Benjamin Peherstorfer (Courant Institute of Mathematical Sciences)
• Monday 24 April 2023, 10:00-11:00
• Seminar Room 1, Newton Institute.

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DDEW03 - Computational Challenges and Emerging Tools

This work introduces a data-driven control approach for stabilizing high-dimensional dynamical systems from scarce data. The proposed context-aware controller inference approach is based on the observation that controllers need to act only on unstable dynamics to stabilize systems under mild assumptions. This means it is sufficient to learn the unstable dynamics alone, which are typically confined to much lower dimensional spaces than the high-dimensional state spaces of all system dynamics and thus few state observations are sufficient to identify them. Numerical experiments demonstrate that context-aware controller inference learns stabilizing controllers from orders of magnitude fewer state observations than traditional data-driven control techniques and variants of reinforcement learning. The experiments further show that the low data requirements of context-aware controller inference are especially beneficial in data-scarce engineering problems with complex physics, for which learning complete system dynamics is often intractable in terms of data and training costs.

This talk is part of the Isaac Newton Institute Seminar Series series.

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