Narrow bridges

A four-legged robot “Ninja walks” across very narrow bridges

A team of engineers have created a four-legged robot called HyQ, and it “walks” on two legs on narrow bridges, according to a video posted Friday on YouTube.

RELATED: THIS AWESOME FOUR LEGGED ROBOT DOES BACKFLIPS AT MIT

The “ninja walk” of a four-legged robot with only two legs

Weighing 90 kilograms (198.4 pounds), this “ninja” robot can balance itself on a support line and recover from small slips and jolts. Using a balance controller, the robot adapts to changes in posture, including varying heights achieved by adjusting the angle of its leg joints.

To cross narrow bridges 6 centimeters (2.3 inches) up to 1.5 meters (4.9 feet), the robot does a “ninja” walk – using a motion generator to traverse the narrow line with a fantastic precision.

The robot takes precarious steps, two legs at a time. Source: Dynamic Leg Systems Laboratory / YouTube

New balance controller gives ninja robot skills

At the heart of this futuristic feat is a new balance controller designed for legged robots. It uses pointy feet, which – since smaller foot areas require more balance to walk without falling – create serious challenges not only for the robots themselves, but also for engineers who need to orient themselves. in an environment constrained with mathematics, metal and silicon.

“We present a balance controller that has the potential to achieve in-line walking for quadrupedal robots. Our early experiments show the 90kg HyQ robot balancing on two feet and recovering from external thrusts, as well as some changes in posture obtained without losing balance, “said a representative of the design team at Istituto Italiano Di Tecnologia, in a report of the magazine IEEE spectrum.

We’ve seen robots climb obstacle-filled stairs like action heroes, pull micro-influencers on rickshaws, and even robots perform backflips, but tightrope walking like a ninja is a must-have for robot enthusiasts. We wonder what lies ahead for the future of robotic movement.


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