Four-legged robot ANYmal-D plays badminton with humans using AI technology

In the ETH Zurich robotic systems laboratory, engineers have created anything four -legged robots that could play feather with people.

This project combines robots, artificial intelligence Sports, which shows how advanced robots can take fast -line dynamic games.

The design and capabilities of Anymal-D opens new possibilities for human cooperation in sports and abroad.

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How does anything play the feather with humans?

Badmother is a game that requires quick works, quick reactions, and accurate eye format. To give a robot opportunity on the field, Eth Zurich Team It is equipped on any legs for stability and fitness, a dynamic arm for the racket swing, and a stereo camera to track shuttle. The robot uses a learning control unit, which allows it to predict and respond to the actual time. Anymal-D can move all over the stadium, adjust its position, and the time of its fluctuations, while maintaining marches with human players for up to 10 shots.

Not the tennis partner? Don’t worry about this robot artificial intelligence

Technology

Anymal-D Stereo camera works as her eyes, as it is constantly monitoring Shutttlecock. Robot The “perception model” is used to compare what he sees with data from his training, which helps him to track Shutttlecock even when he moves unexpectedly. A robot can expose his body to keep the Shutttlecock in mind, simulating how a human player can tend to a difficult shot.

Anymal-D, four-legged robots can play feathers with people (Eth Zurich)

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Learn unified reinforcement to completely control the body

Coordination of legs and arm is difficult for any robot. The ETH Zurich team has developed a unified control policy using reinforcement learning, allowing Anymal-D to move and swing as a coordinator. This was the system TractTherefore, the robot learns how to deal with a wide range of shots and positions before moving to a real court.

Anymal-D’s planning drawing, a four-legged robot that can play feathers with people (Eth Zurich)

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Device integration: What is inside the robot?

Anymal-D combines a strong quad base with Dynaarm, and its racket is set at an angle of 45 degrees for effective beating. Robot condition estimates at 400 Hz, control policy updates at 100 Hz, and the perception system works at 60 Hz. All this works on the Jetson Agx Orin unit, which makes the robot responding and ready to work.

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Anymal-D, four-legged robots can play feathers with people (Eth Zurich)

Challenges to play feathers with a robot

Getting robot legs and its arm to work together smoothly is a great challenge. Most of the robots deal with these tasks separately, but this limits light movement. By combining movement and controlling arm in one system, Anymal-D can adjust the position and walk based on the shuttecock path, which moves more like the human player.

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Anymal-D, four-legged robots can play feathers with people (Eth Zurich)

Active perception: How to see anything the game

Robots have no human eyes, so they can fight their cameras with tire rates and vision field. Anymal-D’s perception control unit keeps the camera to move smoothly, and always follow Shuttlecock. The visualization noise model helps to bridge the gap between the simulation and real matches, making the robot more reliable during games.

What is artificial intelligence (AI)?

Anymal-D, four-legged robots can play feathers with people (Eth Zurich)

Publishing the real world: Bring the robot to the court

Bringing anything from the laboratory to the Badmother Court means dealing with practical cases such as the limits of power and delaying communications. Despite these challenges, the robot enables to keep up with human players, respond to different shot speeds and drop situations, and maintain the gatherings that have offered their ability to adapt and their skills.

Anymal-D, four-legged robots can play feathers with people (Eth Zurich)

Anymal-D Fear: What did the tests show?

In cooperative games with amateur players, any case was tracked, followed, objected, and the shuttle was restored with impressive consistency. On average, it took about 0.357 seconds to treat the Shutttlecock path after a humanitarian blow, leaving slightly more than half a second to reach its location and perform the shot. Although not every snapshot, the robot’s ability to maintain gatherings and adapting to the pace of the game highlights the arrival of robots in dynamic sports scenarios.

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Anymal-D, four-legged robots can play feathers with people (Eth Zurich)

Kurt fast food

Anymal-D really explains the arrival of robots, especially when it comes to working alongside people in quick-footed activities such as feathers. It is interesting to see a robot not only keeping up with the stadium, but in reality it gathered with human players and adapting to the game as it reveals. With the continued improvement in these technologies, it is easy to photograph more robots that join us in all kinds of sports and activities, which makes play and teamwork more enjoyable for everyone.

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