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Musk previews Tesla's humanoid robot, but cautions it is not ready just yet

Musk previews Tesla's humanoid robot, but cautions it is not ready just yet

This screengrab taken from Tesla's AI Day 2022 livestream shows the prototype robot Bumble C walking on stage in Palo Alto, California, on Sep 30, 2022. (Screengrab: AFP/Tesla)

SAN FRANCISCO: Tesla CEO Elon Musk on Friday (Sep 30) showed off a prototype of humanoid robot Optimus, predicting that the electric vehicle maker would be able to produce millions of them and sell them for under US$20,000 - less than a third of the price of a Model Y.

"There's still a lot of work to be done to refine Optimus and prove it," Musk said at the electric vehicle maker's AI Day event being held at a Tesla office in Palo Alto, California, where the robot was showcased.

A prototype model that Tesla said was developed in February walked out to wave at the crowd on Friday, and Tesla showed a video of it doing simple tasks, such as watering plants, carrying boxes and lifting metal bars at a production station at the company's California plant.

The team rolled out the more streamlined current generation bot on a cart and Musk said he hoped that it would be able to walk itself soon.

He said that existing humanoid robots are "missing a brain" - and the ability to solve problems on their own. By contrast, he said, Optimus would be an "extremely capable robot" that Tesla would aim to produce in the millions.

He said he expected it would cost less than US$20,000.

Musk and Tesla representatives acknowledged that there was a lot of work to be done to achieve the goal of a mass-produced, low-cost robot using Tesla-designed technology that would be capable of replacing humans at work.

Other automakers, including Toyota and Honda, have developed humanoid robot prototypes capable of doing complicated things like shooting a basketball, and production robots from ABB and others are a mainstay of auto manufacturing.

But Tesla is alone in pushing the market opportunity for a mass-market robot that could also be used in factory work.

Tesla's bot will use Tesla-designed components, including a 2.3kWh battery pack carried in its torso, a chip system and actuators to drive its limbs. The robot is designed to weigh 73kg.

"It wasn’t quite ready to walk. But I think it will walk in a few weeks," Musk said.

Musk has described the event as intended to recruit workers, and the engineers on stage catered to a technical audience. They detailed the process by which Tesla designed robot hands and used crash-simulator technology to test the robot’s ability to fall on its face without breaking.

Musk, who has spoken before about the risks of artificial intelligence, said that the mass roll-out of robots had the potential to "transform civilisation" and create "a future of abundance, a future of no poverty". But he said he believed it was important that Tesla shareholders had a role in vetting the company’s efforts.

"If I go crazy, you can fire me," Musk said. "This is important."

Many reactions on Twitter were positive, focusing on the speed of Tesla's development effort since August last year, when Tesla announced its project with a stunt that had a person in a white suit simulate a humanoid robot.

Henri Ben Amor, a robotics professor at Arizona State University, said that Musk's price target of US$20,000 was a "good proposition", since current costs are about US$100,000 for humanoid robots.

"There's some discrepancy between sort of the ambition and what they have presented," he said. "When it comes to dexterity speed, the ability to walk in a stable fashion and so on, there's still a lot of work to be done."

Aaron Johnson, a mechanical engineering professor at Carnegie Mellon University, also said that the robot's need was debatable.

"What is really impressive is that they got to that level so quickly. What is still a little murky is what exactly the use case is for them to make millions of these," Johnson said.

Tesla also discussed its long-delayed self-driving technology at the event. Engineers working on the auto self-driving software described how they trained software to choose actions, such as when to merge into traffic, and how they sped up the computer decision-making process.

In May, Musk said that the world's most valuable car maker would be "worth basically zero" without achieving full self-driving capability, and it faces growing regulatory probes, as well as technological hurdles.

Musk has said that he expects Tesla will achieve full self-driving this year and mass produce a robotaxi with no steering wheel or pedals by 2024.

At an event in 2019, Musk promised 1 million robotaxis by 2020, but has yet to deliver such a car.

Source: Reuters/kg
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