Friday, September 17, 2021

Dalhousie University’s AI robotics team wins gold in RoboCup

The Dalhousie University’s AI robotics team, CYRUS, has become the first Canadian team to win gold in the international RoboCup competition.

Team CYRUS, led by research assistant Nader Zare and PhD student Mahtab Sarvmaili, both in the Faculty of Computer Science, was able to use AI and machine learning to create autonomous robot soccer players in various positions for the two-dimensional competition.

Nader Zare and Mahtab Sarvmaili.

According to Sarvmaili, the RoboCup competition is divided into two leagues: the Hardware League and the Software League.

“The software league is more like a simulation of these robotic competitions,” she said. “For example, we have the rescue league that are like these firefighters, kind of agents. Or we have the soccer league which we are competing in.”

The main focus of the software league, according to Sarvmaili, is to train and design the behaviour of an agent, or in this case, the soccer player.

Team CYRUS focused on designing its robots to mimic soccer greats Lionel Messi and Cristiano Ronaldo.

“When we started, it was more like classic machine learning algorithms. But today, we are migrating to deep learning methods… A specific example is deep learning and reinforcement learning for training the behaviour of a goalkeeper, and deep learning for the prediction of the opponent’s behaviour in the field,” Sarvmaili said.

The robotics team also uses a search algorithm to predict the best action in the field.

Sarvmaili said the two-dimensional simulation of soccer focuses more on decision-making and producing autonomous players.

Check out CYRUS beat Japan’s HELIOS2021 to win the two-dimensional soccer simulation final.

To advance their research, Team CYRUS joined forces with soccer teams Halifax Wanderers and Dalhousie University Varsity to improve their soccer techniques, especially at a time when in-person activities are limited.

According to Sarvmaili, Team CYRUS acts as assistant coach to the Halifax Wanderers, helping them develop new potential soccer plays and work on their offensive and defensive play. Team CYRUS creates simulations for the soccer team.

“For example, if they’re playing against a soccer team from Alberta, what would be the best strategy? Or how can [they] set the players in the field for the highest performance against their opponent?” she said.

By 2050, the RoboCup aims to have a complete team of autonomous robots with body structures similar to those of human players, playing against that year’s FIFA champion.

Looking into the future of robotics in the team-based sports industry, Sarvmaili said she thinks robots could play a support role in sports like hockey or basketball, similar to the way Team CYRUS supports the Halifax Wanderers.

Apart from that, she sees opportunities for Team CYRUS’s research in the field of video games.

“The thing that pops into my mind is video games. This would be really interesting for applying our models in video games. For example, FIFA uses a centralized controller that controls all of the agents [in] the game, but this game is fully automated…So if we could apply our models on the player, you can create a very distributed, fully autonomous video game, that would be more challenging and more interesting for the gamers,” she said.

Finally, she said that robots can generally be used in other areas as well. For example, robotic technology could be used to control traffic.

“We could create a very well-organized system that doesn’t involve doesn’t require any humans to be involved to control the traffic,” she said.

She also believes that the healthcare industry could benefit from some robotic technology and that robots could play a major role in cleaning up the environment.

This win for Team CYRUS helps enhance Canada’s place in the robotics industry.

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