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Disney’s new robot is a cartoon came to life


An adorable new Disney robot may be the most lifelike and expressive bot ever made by the entertainment giant.

It was developed in a fraction of the usual time, thanks to a combination of 3D printing, off-the-shelf parts, and computer simulations, and researchers think it could be just the first of many personable robots to come.

Charm-bots: Teaching a robot to walk on two legs is notoriously tricky, but designers building bots for Disney theme parks and attractions have an even greater challenge: because those robots are supposed to be characters, they need to walk with personality.

“[O]ur robots may have to strut, prance, sneak, trot, or meander to convey the emotion that we need them to,” Morgan Pope, a Disney research scientist, told IEEE Spectrum.

Pope recently took the stage at the 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) to co-present a new Disney robot, along with Moritz Bächer, who led the bot’s development.

“[O]ur robots may have to strut, prance, sneak, trot, or meander to convey the emotion that we need them to.”

Morgan Pope

As others have pointed out, the toddler-sized bot appears to be based directly on Star Wars’ CGI robot BD-1, and in demo videos, it truly looks like an animated character come to life, with a bouncy walk and expressive antennae.

Perhaps even more impressive than the bot’s emotive movements, though, is the new pipeline used to create it, which Bächer told IEEE Spectrum slashes the amount of time it takes to build a new Disney robot from years to just months.

Building a bot: One major time saver in robot development for Disney: using off-the-shelf actuators and 3D-printed parts, which can be modified or replaced far more quickly than traditionally manufactured hardware.

Computer simulations and a trial-and-error-based AI training technique called “reinforcement learning” hastened the process even more dramatically.

Making a new Disney robot is a back-and-forth process between animators, who come up with ideas for how the bot should look and move, and engineers, who need to build something that can actually navigate reality.

“In general, animation tools don’t have physics built into them,” said Bächer. “So that makes it hard for artists to design animations that will work in the real world.”

To speed up this process, the team added computer simulations that do replicate the physics of the real world to the workflow. The animator can then see the difference between their vision for how the bot should move and how physics dictates it’ll actually move. They then have the opportunity to tweak their animations before a single robot part is actually built.

“If we wanted to … make an entirely new character with a completely different morphology, we can rapidly teach it new behaviors.”

Moritz Bächer

Using these computer simulations and reinforcement learning, the team can teach the AI that will eventually control the robot how it should move while navigating a variety of real-world situations, such as slippery or uneven terrain, without ever breaking character.

“The idea is that this is a platform that’s hardware agnostic,” said Bächer. “So if we wanted to add more legs, or add arms, or make an entirely new character with a completely different morphology, we can rapidly teach it new behaviors.”

Looking ahead: There’s no word on what’s next for this adorable new Disney robot, but according to Bächer, the approach his team developed to create the bot can be used to quickly create others.

“The off-the-shelf actuators, the 3D-printed components, our adaptable reinforcement-learning framework — these can all be applied to robots that are widely different in how they look and move,” he said. “This robot is a promising first step on that journey.”

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Leah Sirama
Leah Sirama
Leah Sirama, a lifelong enthusiast of Artificial Intelligence, has been exploring technology and the digital realm since childhood. Known for his creative thinking, he's dedicated to improving AI experiences for all, making him a respected figure in the field. His passion, curiosity, and creativity drive advancements in the AI world.
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