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Material Feedback in Robotic Production

Plastic and Elastic Formation of Materials for Reusable Mold-Making
  • Felix RaspallEmail author
  • Felix Amtsberg
  • Stefan Peters
Chapter

Abstract

The success of CAD/CAM in architecture relies on the consistency between geometric information, material processes, and physical results. However, when material processes exceed a level of imprecision, the correlation between intended geometry and physical output cannot be secured and, therefore, conventional workflows are inadequate. This research investigates the expansion of one-way design-to-fabrication processes (from digital to physical) through the addition of feedback control. It develops methods to adjust fabrication instructions while it is occurring, in order to guide imprecise production into useful outputs. Experiments using feedback control to produce clay molds and to adjust a universal formwork are discussed.

Keywords

Robotic fabrication Real-time feedback Casting On-line robotic control Computer Vision 

Notes

Acknowledgments

The research is supported by the Design Robotic Group at GSD Harvard and the ITE at TU Graz. Assistance from Panagiotis Michalatos, from Harvard GSD, was essential in the programming of the different components of the process.

Projects from the master studio Faksimile presented in the chapter are the result of the work by Gerda Villagrater, Martin Bratkovics, Pia Pöllauer, Lukas Jakober and Florian Landsteiner.

Programming during this research involves a variety of free and academic-licensed software, including Grasshopper, Kinect SDL, EMGU and OpenCV. In early experiments, Thibault Schwartz’ HAL (2013) was instrumental to create the robot motions.

References

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Graduate School of DesignHarvard UniversityCambridgeUSA
  2. 2.Institute for Structural DesignGraz University of TechnologyGrazAustria

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