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

Safe Reinforcement Learning by Imagining the Near Future

NeurIPS 2021 · Reinforcement learning › Policy gradient and actor-critic · approach: Safety layers and shielding · 6 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
increase terminal safety cost C (ablation)SMBPO · MuJoCo safety taskssafety violations vs rewardMixed
rollout horizon H=10 instead of H=5 (ablation)SMBPO · MuJoCo safety tasksreturnHelped
add safety-violation penalty (SMBPO vs MBPO with C=0)MBPO · MuJoCo safety taskscumulative safety violationsHelped
use average over ensemble models for TD target instead of min (ablation)SMBPO · MuJoCo safety tasksperformanceHelped

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