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FlyCroTug Drones Work In Teams Now

These tiny drones can do more than you might think; they're opening new doors. Drones take a cue from wasps to manipulate objects 40 times their own mass.

In a move inspired by natural engineering, robotics researchers have demonstrated how tiny palm-size drones can forcefully tug objects 40 times their own mass by anchoring themselves to the ground or to walls. It’s a glimpse into how small drones could more actively manipulate their environment in a way similar to that of humans or larger robots.

“Teams of these drones could work cooperatively to perform more complex manipulation tasks,” says Matt Estrada, a Ph.D. student in mechanical engineering at Stanford University. “We demonstrated opening a door, but this approach could be extended to turning a ball valve, moving a piece of debris, or retrieving an object of interest from a disaster zone.”

...In a move inspired by natural engineering, robotics researchers have demonstrated how tiny palm-size drones can forcefully tug objects 40 times their own mass by anchoring themselves to the ground or to walls. It’s a glimpse into how small drones could more actively manipulate their environment in a way similar to that of humans or larger robots.

“Teams of these drones could work cooperatively to perform more complex manipulation tasks,” says Matt Estrada, a Ph.D. student in mechanical engineering at Stanford University. “We demonstrated opening a door, but this approach could be extended to turning a ball valve, moving a piece of debris, or retrieving an object of interest from a disaster zone.”

Each FlyCroTug drone has a specialized attachment at the end of a long cable that can be paid out and then pulled back in through a winch. That means the drones can attach one end of their cable to an object, fly off, land, and anchor themselves before hauling the heavy load toward them.

(Via IEEE Spectrum.)


(FlyCroTug robot drone)

In his 1979 novel The Two Faces of Tomorrow, science fiction author James P. Hogan describes service drones:

A sudden rushing sound, like that of high-velocity ducted air, mixed with a fainter electric whine, came from halfway up the wall to their right... It was an array of open compartments that looked like pigeon holes for mail, except that each was a foot or more square...

The noise was coming from one of these objects. The object that it was coming from was a dull-gray cylinder about six inches across, lying on its side on top of a flat tubular framework that contained a mass of tightly packed gadgetry and wiring. The near end of the cylinder was distinctly insectlike, with a profusion of miniature probes and jointed arms, and a circle of recessed windows that could have been lens apertures.

There was no need for Hayes to explain what had happened. It didn't take much thought to see that other wasps, equipped with suitable tools and carrying the right selection of parts, could replace far more things than just electronic microcartridges, provided of course that the equipment being serviced had been designed for it...

(Read more about service drones)

Science fiction writers have described a number of different ideas about how robots might work together. See the repair robots from The Well-Oiled Machine (1950) by H.B. Fyfe, Self-Maintaining Circuit Monitoring and Repair from Gramp and his Dog (1952) by Frank Quattrocchi, the self-repairing robot from Accidental Flight (1952) by W.F. Wallace, the blue collar robot from The Velvet Glove (1956) by Harry Harrison and the repair drone from Neuromancer (1984) by William Gibson.

Scroll down for more stories in the same category. (Story submitted 8/17/2023)

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