This Robot Hangs From the Ceiling Like a Room-Cleaning Spider
The whole “physical AI” trend of the past couple of years has largely focused on humanoid robots that can inhabit spaces designed for people. And though there is wisdom in that, humanoid robots are very difficult to build and very expensive. This robot, designed by Nathaniel Nifong, is more like a spider than a human, and it is much more accessible.
This robot is called Stringman and it is a CDPR (cable-driven parallel robot). That means it hangs from cables anchored to the corners of the room. The anchors can spool or unspool the cables on-demand, adjusting the cable lengths. By coordinating the relative cable lengths, it can move the end effector (called the Arpeggio gripper) to any point in 3D space within the envelope of the room.
The “Pilot” anchors contain NEMA 17 stepper motors and MKS42C controllers to actuate their spools. They also have integrated cameras to...
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