意図した未来へ世界行動モデルを導く段階認識フレームワーク
Plausible Future, Wrong Choice: Steering World-Action Models toward Intended Future
長期的なマニピュレーションで生じる「段階混同」を防ぐため、モードトークンと状態トークンでタスク要件と実行進捗を表現し、世界行動モデルを意図した未来へ導くTaskWAMを提案した論文。
詳しい要約
1. どんなもの？
2. 先行研究と比べてどこがすごい？
3. 技術・手法の肝は？
4. どうやって有効だと検証した？
5. 議論はある？
6. 次に読むべき論文は？
※ AIが要旨から生成した要約です。正確性は原文をご確認ください。
著者: Zhuohao Li, Jiawei He, Yuxuan Yan, Lang Zhou, Yinghao Li, Yanrui Li, Tianyu Zhang, Yi-Yang Song, Xirui Wu andYi-Lin Wei, Fating Hong, Qing Zhang, Zhilin Zhao, Jingdong Wang, Wei-Shi Zheng
分類: cs.RO, cs.AI
原文アブストラクト
World-Action Models (WAMs) have emerged as a promising paradigm for embodied generalist policies by jointly modeling future world evolution and robot actions across diverse manipulation tasks. However, representing diverse futures is only the first step: a capable WAM must also generate futures that match the requirements of the current task and execution progress. In long-horizon manipulation where similar observation-action segments occur across different tasks and stages, existing approaches may generate locally plausible yet misdirected rollouts to drift toward wrong task stage, i.e., a phenomenon we term Stage Confusion. To address this problem, we propose TaskWAM, a closed-loop, stage-aware framework that represents fine-grained task requirements with Mode Tokens and tracks execution progress with State Tokens, forming a structured task state to steer world--action generation toward intended future. We further introduce StageBench, a controlled multi-stage manipulation benchmark with parameterized stage variations and automated evaluation.Extensive experiments on both simulation benchmarks and real-world tasks demonstrate that TaskWAM effectively reduces confusion and achieves competitive performance with state-of-the-art methods. Moreover, TaskWAM provides strong plug-and-play transfer across heterogeneous WAM architectures and robot embodiments, including single-arm robots, dual-arm grippers, dexterous hands, and humanoid robots.