上半身と下半身を分離したヒューマノイドの移動操作フレームワークDUET
DUET: Decoupled Upper- and Lower-Body Execution for Task-Agnostic Humanoid Loco-Manipulation
脚と腰を制御する強化学習ポリシーと任意の腕操作ポリシーをロボット側で組み合わせ、再学習なしに多様な操作タスクを実現する分離型実行フレームワークを提案。
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: Kapalik Khanal, Biswash Khatiwada, Stephen Afrifa, Fan Wu, Ramesh Bahadur Bist
分類: cs.RO, cs.LG
原文アブストラクト
Changing a humanoid robot's manipulation policy should not require retraining the controller that maintains the robot's balance. This study introduces DUET, a decoupled execution framework that enables locomotion and manipulation controllers to operate simultaneously by combining their commands only at the robot interface. A reinforcement-learning locomotion policy controls the 12 leg joints and a waist yaw joint, tracking planar velocity, turning rate, and pelvis height from deep crouching to upright standing on a 23-degree-of-freedom Unitree G1. The 10 arm joints are excluded from the action space, while their positions and velocities are included only as observations, so that any compatible manipulation policy that generates arm-joint targets can control the upper body, and the locomotion policy keeps the lower body stable without requiring shared training or direct coordination. This study demonstrates the modular approach on hardware by pairing the same locomotion checkpoint with two different vision-language-action models, GR00T N1.7 and pi0.5. In simulation evaluation, the locomotion controller kept the robot's lower body stable with no falls while tracking the commanded planar velocity, yaw rate, and pelvis height with errors of 0.186 m/s, 0.142 rad/s, and 0.016 m, respectively. Ablation studies identify the upper-body pose curriculum as the dominant component, and removing this training step reduces episode survival from 20.0 to 7.4 seconds and increases the fall rate to 6.06 per environment minute. Robustness tests show no falls under pushes of up to 1.0 m/s within the trained payload range, and no falls at twice the payload limit for pushes below 0.7 m/s. These results show that a manipulation policy can be exchanged without retraining, restarting, or otherwise touching the layer that keeps the robot upright.
関連論文
- キモード・ポリシー:ヒューマノイドの移動操作のための運動学的アクションモデル学習ヒューマノイド/移動操作
- SUGARv2: 合成インタラクション参照から多様な視覚ヒューマノイド移動操作スキルを学習ヒューマノイド/移動操作
- 行動条件付き潜在予測によるヒューマノイドの移動操作の協調ヒューマノイド/移動操作
- 力で操るヒューマノイドの移動操作フレームワークCtrl-Fヒューマノイド/移動操作
- MOTIO:実世界接地型ヒューマノイド移動操作のためのエージェント型スキル工学ヒューマノイド/移動操作
- MotionWAM: 実時間ヒューマノイド移動操作のための基盤ワールドアクションモデルヒューマノイド/移動操作
