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Policy Learning for Robust Markov Decision Process with a Mismatched Generative Model

AAAI 2022 · Reinforcement learning › MDPs and planning · approach: Robust MDP policy gradient · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use generative-model samples and solve for a Nash equilibrium against an adversarial perturbationRMDP policy learning · Toy two-layer RMDP under worst-case perturbationsrobust policy successHelped
Train only for the optimal policy in the training MDP, without accounting for perturbationsToy two-layer RMDP · Worst-case perturbationsrobust policy errorHurt
Use online RQ-learning or RSARSA rather than generative-model samplingToy two-layer RMDP · Worst-case perturbationsrobust policy errorHurt
Account for perturbation risk with a robust policyRMDP policy learning · Toy two-layer RMDP under random perturbationsexpected rewardHelped
Use a small TVDC radius, u≤ ε/(16H^2)Pair-wise NE solver · TVDC RMDPsamples per state-action pair for Err(π̂*) ≤ εHelped

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