閉所空間におけるスキューバダイバーの移動を支援する水中ロボット
Towards Physical Underwater Robotic Assistance for Scuba Diver Movement in Confined Spaces
ダイバーが海底構造物との距離を保つための装着型ロボットを開発し、単眼深度推定とスラスタの力覚フィードバックで方向を誘導する。8名のダイバーを対象に感度閾値や距離維持の実験を行い、低推力で誘導可能なことを示した。
詳しい要約
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2. 先行研究と比べてどこがすごい?
3. 技術・手法の肝は?
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著者: Demetrious T. Kutzke, Junaed Sattar
分類: cs.RO
原文アブストラクト
Scuba divers are taught to control their depth to avoid rapid ascents and descents, which could result in serious injuries such as gas embolisms and barotrauma. However, many underwater tasks necessitate lateral control, maintaining distance between subsea structures such as coral reefs, submerged drilling instrumentation, or unexploded ordnance. In this work, we discuss a first-of-its-kind wearable robotic solution providing thruster-actuated directional guidance to a diver, as distinct from prior propulsive-assistance exoskeletons. We introduce ``Robotic Assisted Diver Movement in Confined Spaces'' (RADMCS), a wearable robot that assists divers in maintaining a fixed distance from subsea structures by leveraging perception techniques in monocular depth estimation and force-feedback from submersible thrusters to provide haptic feedback. Its small and compact form factor creates a foundational platform that could be expanded to include more sophisticated control and navigation behaviors. We present results from Institutional Review Board (IRB) in-water studies with eight human scuba diver participants on threshold sensitivity tests in both a closed-water swimming facility and ocean environments; distance-maintaining experiments in a closed-water facility; and form, fit, and function testing in the ocean. We demonstrate that relatively low thrust values (10 percent of maximum) allow robotic direction of a human's movement using the physical sensation of the robot's guidance.