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Towards Probabilistic Safety Guarantees for Model-Free Reinforcement Learning
Fraunhofer-Gesellschaft
2023
,
Schmoeller da Roza, Felippe
,
Roscher, Karsten
,
Günneman, Stephan
Improving safety in model-free Reinforcement Learning is necessary if we expect to deploy such systems in safety-critical scenarios. However, most of the existing constrained Reinforcement Learning methods have no formal guarantees for their constraint satisfaction properties. In this paper, we show the theoretical formulation for a safety layer that encapsulates model epistemic uncertainty over a distribution of constraint model approximations and can provide probabilistic guarantees of constraint satisfaction.