For the first time, a robot has successfully assembled part of a structure in space without astronauts, demonstrating a technology that could dramatically change how large spacecraft and scientific instruments are built.
The robotic system was developed by researchers at the California Institute of Technology (Caltech) with funding from the Defense Advanced Research Projects Agency (DARPA). It is part of DARPA's Novel Orbital and Moon Manufacturing, Materials, and Mass-efficient Design (NOM4D) program, an initiative exploring ways to manufacture and assemble enormous structures directly in space.
Rather than relying on astronauts to connect individual pieces, the robot uses an automated arm to retrieve structural tubes and connecting joints from nearby storage dispensers. It then joins the components into repeating sections, called bays, that form a larger supporting framework known as a truss.
"This is the first time that a structure has been autonomously constructed in space," says Sergio Pellegrino, the Joyce and Krent Kresa Professor of Aerospace and Civil Engineering, the Lynn Booth and Kent Kresa Department of Aerospace Leadership Chair, the executive officer for aerospace, and a senior research scientist at JPL, which Caltech manages for NASA.\
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