BotJunkie
Legs are great for adaptive walking over uneven surfaces, but moving fast on legs takes a lot of skill and coordination. Wheels, on the other hand, are good at moving quickly when it’s generally flat and level, but they don’t handle variable terrain all that well.
So the obvious thing would be to combine walking legs and rolling wheels, right? Right. Enter the leg-wheel hybrid walking vehicle “Roller-Walker,” developed by Hirose-Fukushima Robotics Lab. It has four articulated legs with round footpads that are able to pivot 90 degrees and turn into wheels.
The wheels are passive (no motors), but the robot has no trouble rolling around in the same manner as you do while wearing rollerblades. It can roll uphill, and even stop itself without brakes. [Leia+]
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