What question did this study set out to answer?

The review aims to explore techniques in safe reinforcement learning, focusing on Lyapunov and barrier functions for ensuring stability and safety constraints.

July 2, 2026Artificial Intelligence ReviewOpen Access

A review on safe reinforcement learning using Lyapunov and barrier functions

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Authors

DKDhruv Singh KushwahaUniversity of Florida ZBZoleikha Abdollahi BironUniversity of Florida

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Implication

This review examines safe reinforcement learning techniques ensuring system stability and constraint satisfaction in complex environments, emphasizing recent trends and challenges.

Key Points

The review aims to explore techniques in safe reinforcement learning, focusing on Lyapunov and barrier functions for ensuring stability and safety constraints.
Analyzed the shift from model-based to model-free approaches in safe reinforcement learning since 2017.
Identified and defined open problems related to function approximation and distribution shifts in Lyapunov methods.
Discussed challenges related to deployment in high-dimensional and partially observable settings.
Model-free formulations, especially CLF-CBF combinations, have gained traction since 2017, with significant interest observed post-2022.
Open problems regarding certificate validity and feasibility for Lyapunov and barrier methods highlight key research gaps.
Scalability to complex, high-dimensional environments remains a prominent challenge across all discussed methods.

Cite This Study

Kushwaha et al. (2026) studied this question.

synapsesocial.com/papers/6a45fecd9ed134303130f736 https://doi.org/10.1007/s10462-026-11611-9

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Implication

This review examines safe reinforcement learning techniques ensuring system stability and constraint satisfaction in complex environments, emphasizing recent trends and challenges.

A review on safe reinforcement learning using Lyapunov and barrier functions

Discussion

Member takes

Implication

Key Points

Cite This Study

A review on safe reinforcement learning using Lyapunov and barrier functions

Discussion

Member takes

Implication

Key Points

Cite This Study

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