Boston Dynamics Spotによる自律レンガ積みの試み
Towards Autonomous Bricklaying Using Boston Dynamics Spot
四足歩行ロボットSpotにマニピュレータを搭載し、CADで指定した位置にレンガを自動積み上げるシステムを構築。曲線4層壁の積み上げで平均10mm未満の位置誤差を達成し、屋外・階段環境でも動作を検証した。
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著者: Karl-Johan Sorensen, Nico vom Hofe, Frank H. P. Fitzek
分類: cs.RO
原文アブストラクト
Mobile legged robots offer unique advantages for on-site construction, including the ability to traverse unstructured terrain, climb stairs, and operate independently between spatially separated work zones. This paper presents a proof-of-concept system for autonomous brick stacking using a Boston Dynamics Spot quadrupedal robot equipped with a manipulator arm. The system operates between a supply area and an assembly area, using AprilTag fiducials for localization and autowalk missions for navigation. Target brick positions and orientations are specified in CAD software and exported directly for robotic execution. We evaluate placement accuracy through ten repeated assemblies of a curved four-layer wall comprising 14 wooden bricks. Results show mean translation errors below 10 mm and mean yaw errors below 1.5 degrees, while the overall RMSE across all runs is 27.72 mm (translation) and 2.06 degrees (rotation). The system was also tested outdoors with stairs between the two areas. The workflow is modular and easily extendable to different wall geometries.