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Research map / Reinforcement learning / Policy gradient and actor-critic

Conservative Safety Critics for Exploration

ICLR 2021 · Reinforcement learning › Policy gradient and actor-critic · approach: Safety layers and shielding · 39 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use a conservative safety critic and reject actions whose estimated failure probability exceeds a thresholdCSC · Five simulated robotic control domainscatastrophic failures during training: up to 50%Helped
Use CSC instead of prior safe exploration methodsCSC · Five simulated robotic control domainstask performanceMixed
Use a stricter safety threshold (ablation)CSC · Five simulated robotic control domainsaverage failures per episodeHelped
Use a stricter safety threshold (ablation)CSC · Five simulated robotic control domainstask reward convergence rateHurt

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