[FRIAM] Dancing Robots

Sat Apr 3 14:57:18 EDT 2021

For all the hype, robots are limited in what they can do in your home - The Washington Post<https://www.washingtonpost.com/technology/2021/03/23/future-robots-home-jetsons/>

From: Friam <friam-bounces at redfish.com> On Behalf Of Frank Wimberly
Sent: Saturday, April 3, 2021 11:24 AM
To: The Friday Morning Applied Complexity Coffee Group <friam at redfish.com>
Subject: Re: [FRIAM] Dancing Robots

You darned cynics

https://spectrum.ieee.org/automaton/robotics/humanoids/darpa-selects-boston-dynamics-humanoid-for-robotics-challenge

https://www.themarlincompany.com/blog-articles/more-robots-workplace/

https://youtu.be/JGNopwFcz3A

I'll find some aiding-the-handicapped examples if you like.

Frank
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Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM

On Sat, Apr 3, 2021, 10:46 AM Steve Smith <sasmyth at swcp.com<mailto:sasmyth at swcp.com>> wrote:

The "dancing" robots certainly are compelling to view, though I can see why Gary asked if it was real or memorex (CGI)... there was enough uncanny valley going on in their moves to make it clear that they were following a prescribed choreography.   The miniscule detail in the dance moves is what I *think* makes it impressive.   I am doubting that the proportions and range of motion/etc of the robotic humanoids is as close to humans' as implied by the constraints (in software, in choreography) imposed.

I also wonder how much of this is essentially driven by something like MoCap that is then tweaked to match the dynamical performance envelope/constraints of the robot simulacrum?   Or by derivation, ws ther some kind of machine learning going on on a *suite* of human MoCap data sets.   Or is there a very capable cyber-choreographer who implicitly understands the robot's "coupled impedance elements" in a way that allows them to hack/hint/nuance the instructions down to this level of performance?

Are these class of robots targeted for mission-spec autonomy or are they more targeted to default to being Waldos with some self-driving constraints?

I haven't tracked whether the Laban Notation movement has actually been useful to extend into robotic-motion...  it starts to seem relevant once humanoid Robots are presented dancing human-dances.

https://en.wikipedia.org/wiki/Laban_movement_analysis

The "impressive illusion" is that these Robots are responding to the music itself and to one another (couples dancing) in  a way that seems highly doubtful.   They appear to be merely very artful puppets with wireless "strings".    No small feat, bringing them to this point, but the most interesting/impressive aspects are likely careful bit-chiseling on the instruction sets.

It would be more impressive if they were helping an elderly person go to the bathroom.   Chasing a person in irregular terrain would be convincing too.

On Apr 3, 2021, at 9:00 AM, Gary Schiltz <gary at naturesvisualarts.com><mailto:gary at naturesvisualarts.com> wrote:

Thanks for letting me know. In that case, it is truly mind blowing. I had no idea robotic tech had come so far.

On Sat, Apr 3, 2021 at 10:57 AM Frank Wimberly <wimberly3 at gmail.com<mailto:wimberly3 at gmail.com>> wrote:
Real!!
---
Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM

On Sat, Apr 3, 2021, 9:50 AM Gary Schiltz <gary at naturesvisualarts.com<mailto:gary at naturesvisualarts.com>> wrote:
Serious question, since I didn't make it to vfriam yesterday. With the advances in CGI these days, I don't know if this is computer generated or real. Which is it?

On Sat, Apr 3, 2021 at 10:02 AM Frank Wimberly <wimberly3 at gmail.com<mailto:wimberly3 at gmail.com>> wrote:
For those who haven't seen the video that was mentioned in yesterday's meeting:

https://youtu.be/fn3KWM1kuAw

Marc has accomplished a lot since this:

  *   Raibert, M. H., Wimberly, F. C. 1984. Tabular control of balance in a dynamic legged system. IEEE Trans. Systems, Man, and Cybernetics 14:334--339.

---
Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM
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