Reinforcement Learning with Adaptive Regularization for Safe Control of Critical Systems
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Abstract (arXiv)
Reinforcement Learning (RL) is a powerful method for controlling dynamic systems, but its learning mechanism can lead to unpredictable actions that undermine the safety of critical systems. Here, we propose RL with Adaptive Regularization (RL-AR), an algorithm that enables safe RL exploration by combining the RL policy with a policy regularizer that hard-codes the safety constraints. RL-AR performs policy combination via a "focus module," which determines the appropriate combination depending on the state--relying more on the safe policy regularizer for less-exploited states while allowing unbiased convergence for well-exploited states. In a series of critical control applications, we demonstrate that RL-AR not only ensures safety during training but also achieves a return competitive with the standards of model-free RL that disregards safety.
Key facts. Cited by 6 papers in the map (data through 7 Oct 2026). Builds on 23 of its 54 references that are in the map. First posted on arXiv 23 Apr 2024.
Builds on
23 of 54 references.
References · 23
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11 more
- 2019Data-driven Economic NMPC using Reinforcement Learningcited by 55
- 2022Reachability Constrained Reinforcement Learningcited by 52
- 2020Neurosymbolic Reinforcement Learning with Formally Verified Explorationcited by 49
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Built on by
Citing papers per year: 2025: 3; 2026: 3.
6 papers.
- 2026Can RL Improve Generalization of LLM Agents? An Empirical Studycited by 4
- 2025A Novel Framework for Uncertainty-Driven Adaptive Explorationcited by 1
- 2025Mission-Aligned Learning-Informed Control of Autonomous Systems: Formulation and Foundationscited by 0
- 2025Constraint-Aware Reinforcement Learning via Adaptive Action Scalingcited by 0
- 2026Safe Online Learning via Smooth Safety-Structured Policy Compositioncited by 0
- 2026HetGPS: Scalable Graph Multi-Agent Reinforcement Learning with Physics-Anchored Adaptive Safety for EV Chargingcited by 0
- 2026HetGPS: Scalable Graph Multi-Agent Reinforcement Learning with Physics-Anchored Adaptive Safety for EV Charging1 Aug 2026
- 2026Safe Online Learning via Smooth Safety-Structured Policy Composition30 Jun 2026
- 2026Can RL Improve Generalization of LLM Agents? An Empirical Study12 Mar 2026
- 2025Constraint-Aware Reinforcement Learning via Adaptive Action Scaling13 Oct 2025
- 2025A Novel Framework for Uncertainty-Driven Adaptive Exploration3 Sep 2025
- 2025Mission-Aligned Learning-Informed Control of Autonomous Systems: Formulation and Foundations6 Jul 2025