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.
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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.
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Raspall, F., Amtsberg, F., Peters, S. (2014). Material Feedback in Robotic Production. In: McGee, W., Ponce de Leon, M. (eds) Robotic Fabrication in Architecture, Art and Design 2014. Springer, Cham. https://doi.org/10.1007/978-3-319-04663-1_23
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DOI: https://doi.org/10.1007/978-3-319-04663-1_23
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