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Quality Control of Robotics Made Timber Plates (7472)

Annette Schmitt and Volker Schwieger (Germany)
Ms. Annette Schmitt
Research Associate
Institute of Engeneering Geodesy
University of Stuttgart
Geschwister-Scholl-Straße 24D
Stuttgart
70174
Germany
 
Corresponding author Ms. Annette Schmitt (email: annette.schmitt[at]ingeo.uni-stuttgart.de, tel.: 0049 711 685 84065)
 

[ abstract ] [ paper ] [ handouts ]

Published on the web 2015-03-31
Received 2014-11-01 / Accepted 2015-02-07
This paper is one of selection of papers published for the FIG Working Week 2015 in Sofia, Bulgaria and has undergone the FIG Peer Review Process.

FIG Working Week 2015
ISBN 978-87-92853-35-6 ISSN 2307-4086
http://www.fig.net/resources/proceedings/fig_proceedings/fig2015/index.htm

Abstract

Wood is one of the oldest construction materials which human beings use. Nowadays it is getting more popular because wood is renewable. On the other hand there are new developments in fabrication and design. However, an industrial robot can be used in timber construction. Researchers from University of Stuttgart started a project to develop a wooden prototype building prefabricated by robotics. There is a low level of experience about how accurate wood can be processed. For that reason one part of the project is the quality control of the prefabricated plates. 24 of 243 wooden plates are measured by a laser tracker. A fabrication accuracy of 0.4 mm in 2D is achieved. Statistical tests show that there are up to 4% of the measurements differ significantly from the CAD model. To make a statement about the behavior of the plate during storage, four plates are measured two additional times, once before the transport to the building site and once after one night at the building side. In this paper an example for one plate is given. This plate shows no deformations between production and after one night at the building side.
 
Keywords: Positioning; Engineering survey; Deformation measurement; Laser tracker; robotics; timber construction; quality control; deformation analysis

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