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Safe Exploration in Reinforcement Learning: A Generalized Formulation and Algorithms

NeurIPS 2023 · Reinforcement learning › Policy gradient and actor-critic · approach: Safety layers and shielding · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use MASE with GP-based safety estimation and TRPO policy optimization instead of Sauté RLSafety Gym PointGoal1 and CarGoal1 · Safety GymCumulative reward during trainingHelped
Use MASE with GP-based safety estimation and TRPO policy optimization instead of baseline algorithmsSafety Gym PointGoal1 and CarGoal1 · Safety GymSafety constraint violationsHelped
Use MASE with GP-based safety estimation and TRPO policy optimization instead of baseline algorithmsSafety Gym CarGoal1 · Safety Gym, converged performanceRewardHurt
Use MASE's preemptive emergency stop instead of ET-MDP's termination after a safety violationSafety Gym PointGoal1 and CarGoal1 · Safety GymSafety constraint violationsHelped
Use MASE instead of SNO-MDPGrid-world · Grid-world, time-invariant and time-variant safety thresholdsReward and safety violationsMixed
Use a safety-agnostic or expected-cost baseline instead of MASETRPO, TRPO-Lagrangian, and CPO · Safety GymSafety constraint violationsHurt

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