Tesla's humanoid robot takes two steps and can grab things

Machine Heart Report

Editors: Xiaozhou, Ziwen

Take two steps, take two steps if you have nothing to do.

In the field of robotics, Tesla’s humanoid robots have always attracted much attention.

In 2021, at the "Tesla AI Day", Musk released Tesla's universal robot plan and used pictures to show the general shape of the humanoid robot Tesla Bot.

In 2021, Musk showed the general shape of Tesla Bot at the "Tesla AI Day".

But at that time, Tesla Bot was just a concept. The action display part consisted of staff wearing special tight-fitting costumes and performing a dance pretending to be a robot. A year later, at the 2022 "Tesla AI Day", the humanoid robot Optimus made its physical appearance, slowly walked out and greeted the audience.

Optimus will be unveiled at "Tesla AI Day" in 2022.

Optimus, who made his debut, could only take a few simple steps without a connection or backup. Recently, at the Tesla shareholder meeting, Musk demonstrated the latest progress of Tesla Bot. Now Tesla Bot can walk smoothly:

You can also have several robots walking forward together:

In addition to walking, Tesla’s humanoid robot can now flexibly grab and put down objects:

From concept to the basic ability to walk and grab objects, let’s take a look at the technical improvements Tesla has made in the past two years.

Technical method

In the latest video released by Tesla, we can find that Tesla has used some technical methods to improve the movement and control of humanoid robots, including motor torque control, environment discovery and memory, and training robots based on human demonstrations.

Motor torque control

First, the research team used motor torque control to control the movement of the humanoid robot's legs to keep the robot's "foot down" gentle.

This video shows that using this control method, the robot's movements cannot even break eggs, which shows that the robot's "steps are very light":

Environmental Discovery and Memory

For a robot, it is very important to observe or perceive the surrounding environment. Tesla added the ability of environmental discovery and memory to humanoid robots. The humanoid robot can now roughly model its surroundings:

Training robots based on human demonstrations

Tesla’s humanoid robot has a body structure similar to humans. Tesla's research team trained the robot using extensive human demonstrations, particularly in hand movements, with the goal of equipping it with human-like object grasping capabilities:

Show an easy grab object:

At present, Tesla has demonstrated the basic capabilities of the humanoid robot, including walking and grabbing objects. The company will make more technical improvements to the robot and is expected to put it into mass production in the near future.

Reference link:

https://www.theverge.com/2023/5/16/23726139/tesla-robot-update-video-shareholder-meeting

https://www.youtube.com/watch?v=XiQkeWOFwmk

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