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A robot completes a marathon without recharging the battery, a world first
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A robot completes a marathon without recharging the battery, a world first

RAIBO2 robot dog became the first quadruped robot to complete a full marathon in an official event (KAIST)

RAIBO2 robot dog became the first quadruped robot to complete a full marathon in an official event (KAIST)

A robot dog in Korea became the first four-legged robot to run a full marathon without needing to recharge its batteries.

The RAIBO2 robot dog completed the 42-kilometer (26-mile) course in four hours and 20 minutes, seven minutes faster than the average time for mass participation in the event. London Marathon last year.

Built by engineers from the Korea Advanced Institute of Science and Technology (KAIST), the robot dog used reinforcement learning algorithms to navigate the difficult terrain of the Sangju Dried Persimmon Marathon, which includes two mountain climbs. 50 meters.

Engineers were able to improve the walking efficiency and minimize the quadruped robot’s energy loss, allowing it to complete the marathon on a single charge.

A special articulation mechanism also allowed the RAIBO2 robot to recover energy when descending the course’s slopes.

“Through the marathon project, we demonstrated that RAIBO2 has the walking performance to stably perform services such as delivery and patrolling in urban environments with many people and random objects,” said Choongin Lee, doctoral student at KAIST, who participated in the development. of RAIBO2.

“In further research, we will add autonomous navigation functions to RAIBO and strive to achieve the world’s best walking performance in mountainous and disaster environments. »

Quadruped robots have become an increasingly popular way to perform dangerous tasks, such as patrolling security perimeters or inspecting disaster areas.

Earlier this month, a robot dog built by a US robotics company Boston Dynamics was seen carrying out security duties at the Florida residence of US President-elect Donald Trump.

Capable of walking up and down stairs, opening doors and reaching places humans can’t reach, the high-tech security robot plays an important role in ‘safeguarding the president-elect,’ according to a service spokesperson American secrets.

“While we cannot go into specific capabilities, the robotic dogs are equipped with surveillance technology and an array of advanced sensors that support our protection operations,” the spokesperson added.

Elon Musk also used Boston Dynamics’ dogs to inspect the launch site of its Starship rocket following explosions at the company’s Starbase facility in Texas, while the US military tasked the quadruped robots with various roles .