共有ワークスペースにおけるスケーラブルな人間-ロボット協調のための分散仮想モデル制御
Distributed Virtual Model Control for Scalable Human-Robot Collaboration in Shared Workspace
仮想バネとダンパーで人間とロボットの動作を統一的に制御し、分散型のデッドロック検出と交渉で協調作業を実現するフレームワークを提案。最大4台のロボットと2人の人間の協調を実験・シミュレーションで検証した。
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著者: Yi Zhang, Omar Faris, Chapa Sirithunge, Kai-Fung Chu, Fumiya Iida, Fulvio Forni
分類: cs.RO, cs.SY, eess.SY
原文アブストラクト
We present a decentralized, agent agnostic, and safety-aware control framework for human-robot collaboration based on Virtual Model Control (VMC). In our approach, both humans and robots are embedded in the same virtual-component-shaped workspace, where motion is the result of the interaction with virtual springs and dampers rather than explicit trajectory planning. A decentralized, force-based stall detector identifies deadlocks, which are resolved through negotiation. This reduces the probability of robots getting stuck in the block placement task from up to 61.2% to zero in our experiments. The framework scales without structural changes thanks to the distributed implementation: in experiments we demonstrate safe collaboration with up to two robots and two humans, and in simulation up to four robots, maintaining inter-agent separation at around 20 cm. Results show that the method shapes robot behavior intuitively by adjusting control parameters and achieves deadlock-free operation across team sizes in all tested scenarios.
