テレ走破性:遠隔操作ロボットの地形ナビゲーションにおける走破性評価の再考
Tele-Traversability: Rethinking Traversability for Teleoperated Ground Robots in Terrain Navigation
遠隔操作ロボットの地形ナビゲーションにおいて、人間の認知状態(注意、作業負荷、リスク許容度)を考慮した「テレ走破性」という概念を提案し、人間中心の遠隔操作システムに向けた課題と展望を論じた。
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?
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著者: Lewei Feng, Qi Chen, Wenshuo Wang, Xianghao Meng, Minh Kieu, Haijie Guan, Jin Wu, Fuchun Sun, Junqiang Xi
分類: cs.RO
原文アブストラクト
Teleoperation, a human-in-the-loop control scheme, allows a human operator to remotely command and guide a mobile robot to navigate in off-road environments, yet fluent and user-friendly tele-navigation requires an alignment of traversability evaluation between human and robot. In the teleoperation system, the human operator typically utilizes off-site incomplete and delayed feedback via a human-machine interface to make a judgment of traversability, while the robot makes such an evaluation based on in situ onboard sensory information, which could cause divergent traversability estimation and thus generate mismatched decisions and actions. Existing approaches for traversability modeling, estimation, and prediction are mainly derived from the view of robots, i.e., robot-centric, and are practically suitable for fully autonomous mobile robots, but neglect the influence of human operators. To address this problem, this paper extends the concept of traversability from robot-centric to human-centric by accounting for the operator's cognitive states, such as attention, workload, and risk tolerance or awareness, termed tele-traversability. We first revisit the definitions and roles of traversability in robotics and then extend them to teleoperation settings. Finally, we highlight future trends and open challenges of tele-traversability toward human-centric teleoperation systems.