Drones build the future of architecture in Zurich

Drones build the future of architecture in Zurich
15:34 3 May 2016
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Researchers in Zürich believe drones can give rise to a new breed of architectural design and they have started by building bridges – literally.

The team at ETH Zürich’s Institute for Dynamic Systems and Control has been researching ways in which flying construction robots can be programmed to autonomously build tensile structures. They recently revealed a rope bridge built by drones that can support the weight of an adult human.

A fleet of quadcopters equipped with motorized spools moved autonomously between two scaffolds, laying out stretches of a light-but-strong rope made of Dyneema – ultra-high molecular weight polyethylene. While the locations of the scaffold at either end of the bridge were measured manually, the quadcopters were responsible for constructing the rest of the structure without human intervention. This involved weaving knots, links and braids with 120 m of rope across nine segments for a total bridge length of 7.4 m. Computer algorithms spat out commands and sent them to the drones over a wireless network, while a motion capture system allowed FLIGHT paths to be adjusted on-the-fly.

The team has partnered with ETH Zürich Chair of Architecture and Digital Fabrication to investigate the kinds of structures drones might be capable of building. Benefits of using drones include their ability to fly, their maneuverability in hard to reach spaces, and the ability to interact and collaborate with other machines.

"Aerial robots are generic and can be equipped with different tools to transport and manipulate material in different ways, but a key subject hereby is weight," Ammar Mirjan, a researcher at the Chair of Architecture and Digital Fabrication, said. "This motivates the investigation into lightweight construction systems. We are particularly interested in the fabrication of tensile structures such as cable-net structures and three-dimensional suspension structures that could not be built with other fabrications methods. Since it will be difficult to imitate existing construction processes because the tools are so radically different, it is likely that the conditions of how things are designed and built will be altered. History suggests that new tools and technologies often shift existing processes. Drones in construction will enable architectural materialization in ways we cannot imagine."





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