arXiv:2608.07576cs.ROcs.CG2026-08中稿 · the 46th Annual Co…

用可自对齐的嵌套结构模块,实现机器人自动组装与重复使用。

Reconfigurable Structural Robotic Assembly: Interlocking 3D Aggregations with Self-Aligning Compound Nested Lattice Modules

  • 模块含立方截半八面体与四面体单元,支持机器人抓取与自对齐。
  • 压缩测试显示刚度4556 N/mm,最大承重3445 N,模量17.5 MPa。
  • 适合需快速搭建、拆卸与循环使用的建筑/家具系统设计。

机器人建造系统常将材料与机器人视为独立问题,将智能集中在硬件、感知、运动规划与控制上。本研究则探索如何在构型材料系统中编码几何智能,同时满足机器人抓取、自对齐、可逆连接、结构性能与三维聚合需求。提出一种自对齐的复合嵌套晶格模块,由相连的立方截半八面体-四面体单元构成。立方截半八面体部分提供机器人抓取与对齐的规则表面,四面体部分集成螺纹释放式卡扣连接器及对应凹槽。此外,采用嵌套布局实现沿x、y、z轴的互锁聚合。通过机械臂与移动装配器实现在家具与建筑尺度的结构搭建,形成座椅、跨越结构、平面与竖向框架。压缩测试显示该模块刚度为4,556 N/mm,最大载荷达3,445 N,压缩模量为17.5 MPa。模块可拆解并用于不同配置,支持可重构与循环建造。

原文摘要 · Abstract (English)

Robotic construction systems often treat the material system and the robot as separate design problems, locating intelligence primarily in hardware, sensing, motion planning, and control. This project instead investigates how geometric intelligence can be encoded within architected material systems to simultaneously address requirements for robotic grasping, self-alignment, reversible connection, structural performance, and three-dimensional aggregation. We introduce a self-aligning compound nested lattice module composed of conjoined cuboctahedral-octahedral units. The cuboctahedral features of the modules provide defined surfaces for robotic grasping and alignment, while the octahedral features incorporate screw-releasable snap-fit connectors and corresponding receptors. Additionally, we present a nested arrangement that enables interlocking aggregation along the x, y, and z axes. We demonstrate the system through furniture and architectural scale structures assembled using both a robotic arm and mobile assembler. The resulting configurations include seating, spanning structures, surfaces, and vertical frames. Compression testing of the compound module produced a stiffness of 4,556 N/mm, a maximum load of 3,445 N, and a compressive modulus of 17.5 MPa. The modules can also be disassembled and reused across different configurations, supporting reconfigurable and circular construction.

机器人建造自对齐模块可重构结构循环建造

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