Design and assembly automation of the Robotic Reversible Timber Beam

Anja Kunic, Roberto Naboni*, Aljaz Kramberger, Christian Schlette

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Abstrakt

The field of architecture is more and more referring to wood as a sustainable solution for satisfying the need of new buildings while offsetting carbon emissions. In parallel, the research in Robotic Timber Construction (RTC) has evolved rapidly, focusing both on fabrication and assembly processes in order to improve the productivity of the construction industry and extend the production digital chain. This paper presents an original workflow for the automation from design to layered robotic assembly of reversible timber structures, aided by human-robot collaboration. An advanced digital design workflow for non-standard timber structures is established, shifting the focus towards the assembly of a kit of discrete wood elements into larger configurations that can be reconfigured in time. Linked to this, collaborative robots are employed for grasping, positioning and fixing of discrete timber elements, with the introduction of a multi-phase end effector that connects wood elements through reversible joinery. As such, the work introduces fundamental design and manufacturing concepts for an automated construction process that extends the material life cycle of wood, and consequently, its carbon store. The enhancement of robotic assembly is here achieved with the (1) integration of a feedback system based on location and force signals, and (2) human collaboration to provide immediate assistance to the robot in the case the signals do not match the defined assembly conditions. The various developments are applied to a research demonstrator which crystallizes the various design, constructional, and manufacturing inputs into a physical output, which is discussed from multiple viewpoints, in order to delineate relevant areas for future studies.

OriginalsprogEngelsk
Artikelnummer103531
TidsskriftAutomation in Construction
Vol/bind123
Antal sider8
ISSN0926-5805
DOI
StatusUdgivet - mar. 2021

Bibliografisk note

Funding Information:
This research has been developed with an interdisciplinary collaboration between the CREATE Group and SDU Robotics from the University of Southern Denmark. The work was carried out with the support of the SDU Industry 4.0 Lab, and the Section for Civil and Architectural Engineering. The authors also wish to thank Takwa ElGammal and Luca Breseghello for their contribution to the development and fabrication processes.

Publisher Copyright:
© 2020 Elsevier B.V.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

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