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CausalWorld: A Robotic Manipulation Benchmark for Causal Structure and Transfer Learning

ICLR 2021 · Reinforcement learning › Visual and representation RL · approach: Dexterous manipulation transfer · 30 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Randomize goal position and orientation each episode instead of keeping the default task fixedCausalWorld pushing agents · Pushing, goal-pose evaluation (P5)fractional successHelped
Train with full randomization of all task variables instead of a fixed taskCausalWorld pushing agents · Pushing, training environmentsfractional successHurt
Train on a fixed default taskCausalWorld pushing agents · Pushing, initial-pose evaluation (P4)fractional successHelped
Train on a fixed default task rather than randomizing goal posesCausalWorld pushing agents · Pushing, goal-pose evaluation (P5)fractional successHurt
Use a hand-designed dense reward instead of sparse reward onlyPPO, SAC, and TD3 in CausalWorld · Pushing, Picking, Pick and Place, and Stacking2fractional successHelped
Train model-free RL methods on single-block tasksPPO, SAC, and TD3 in CausalWorld · Pushing, Picking, and Pick and Placefractional successHelped
Train model-free RL methods on two-block stackingPPO, SAC, and TD3 in CausalWorld · Stacking2fractional successHurt

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