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OpenArm: An open-source 7DOF humanoid arm

github.com

88 points by Lwrless · 21 comments

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6 threads
MrPapz

This would be great to take advanced healthcare like surgery to remote communities!

donpdonp

$6,500 for OpenArm v2. Incredibly smooth movement, 4kg of load per arm. Its unclear how far the level of autonomous control has come so far. The video shows mostly tele-operated operation. I have to agree with other comments here that folding laundry is the killer app.

  • moffkalast

    One would expect it to at least have calibration and inverse kinematics solved. That's still a massive pain point for the SO-ARM101 despite it being so common now, since there's no base_link to gripper calibration nor sag compensation and every center offset stacks.

    Lerobot banked on having full DL control of each joint so they wouldn't have to do that properly, but now VLAs just use inverse kinematics as a crutch and predict gripper offsets, so we're back to square one.

    • drapado

      Hi! do you have any references for VLAs using inverse kinematics? I'm very curious and can't find much

      • moffkalast

        I'm not super up to date on new releases, the one I'm most familiar with is X-VLA which predicts gripper poses and relative movement deltas for kinematics to move to instead of joints, and trains on forward kinematic gripper poses. I think Intern and Octo have the same approach.

NegativeLatency

Crosses fingers for a general purpose laundry folding bot

  • smokel

    We've come a long way from watching 50x speedups [1] to real-time [2] videos of watching robots fold clothes, student-style.

    [1] https://youtube.com/watch?v=gy5g33S0Gzo

    [2] https://www.pi.website/blog/pi0

    • num42

      Off-topic, but even though it was 16 years ago, the robot looks so beautiful and well-designed. It looks so aesthetic!

  • bluebarbet

    To me it does not seem like progress that, on a stressed and finite planet, humanity might "need" an energy- and resource-intensive machine to complete a task as physically undemanding (and even frivolous) as folding a sheet. But here we are.

  • King-Aaron

    I just want my laundry folding robot to run slower than me, and not be able to do karate backflips etc in the event of some undesired scope creep happening one day.

    • nannal

      House scale Faraday cages and an airlock for fiber optics. Should be sufficient until maybe 2032.

  • mxmilkiib

    I've got a collection of socks needing darning!

teamolHuang

Finally, automatic hand for single man

NetOpWibby

One step closer to becoming Adam Jensen

ethanwillis

  A fully open-source humanoid arm for physical 
  AI research and deployment in contact-rich 
  environments.
When will someone release this but for deployment in target-rich environments?

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