tail | GIZMODO.cz

The tiny Tailbot robot relies on a tail to control its balance. Now, the creators of the Tailbot and the RHex hexapod robot have teamed up to make the X-RHex Lite. The difference between this robot and the original Tailbot is that the XRL is about 60 times bigger, weighing 8.1 kilograms compared to the tiny Tailbot which only weighed 177 grams.
tailbot
The tail works just like it would on a cat. It lets the robot right itself when falling and flying through the air. Thus, it recovers easily from crashes that turn it over. Even when it’s dropped, the legs are springy and act like shock absorbers. All of this means that it would take quite a lot to not land upright.

And that is important because robots aren’t useful on their backs. Great for search and rescue ‘bots or any robot that does alot of jumping.

[via IEEE Spectrum via Geek]

By far the greatest challenge for robots with legs is staying upright when the going gets rough. A team at the University of Pennsylvania's Kod*lab has a hunch that we don't need extra smarts to make that happen -- just an extra appendage. The upgraded X-RHex Lite (XRL) carries a tail that will swing in the right direction to keep the robot upright if it's caught out by a fall, much like a cat. That's impressive for a nearly 18-pound robot (the previous Tailbot was 0.4 pounds), but we're pretty sure no feline has six springy legs; the XRL can crash to the ground and still get back up like it ain't no thing, which gives it a fudge factor others don't have. We don't know if the hexapod critter will lead to more than further experiments. If there are fewer stuck rovers on future exploration missions, though, we'll know who to thank.

Continue reading X-RHex Lite robot grows a tail, always lands on its feet (video)

Filed under: Robots, Science

X-RHex Lite robot grows a tail, always lands on its feet (video) originally appeared on Engadget on Mon, 30 Jul 2012 22:41:00 EDT. Please see our terms for use of feeds.

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