Robert Playter
speaker
1,075 appearances
1 recordings
1 series
first heard Apr 2023
last heard Apr 2023
Robert Playter’s voice in public audio — every appearance, attributed to the second.
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And we're probably going to be in the realm of a person can't do it with the next generation.
The robots, the actuators are going to get stronger, where it really is the case that at least some of these joints, some of these motions will be stronger.
Oh yeah, and there's lots of videos of it trying and failing.
We don't always release those videos, but they're a lot of fun to look at.
Well, again, this stuff has really evolved rapidly in the last few years.
The first time we did a somersault, there was a lot of kind of manual iteration.
What is the trajectory?
You know, how hard do you throw?
In fact, in these early days, I actually would, when I'd see early experiments that the team was doing, I might make suggestions about how to change the technique.
Again, kind of borrowing from my own intuition about how backflips work.
But frankly, they don't need that anymore.
So in the early days, you had to iterate kind of in almost a manual way, trying to change these trajectories of the arms or the legs to try to get a successful backflip to happen.
But more recently, we're running these model predictive control techniques where we're able to, the robot essentially can think in advance for the next second or two about how its motion is going to transpire.
And you can solve for optimal trajectories to get from A to B. So this is happening in a much more natural way.
And we're really seeing an acceleration happen in the development of these behaviors
Again, partly due to these optimization techniques, sometimes learning techniques.
So it's hard in that there's a lot of mathematics behind it.
But we're figuring that out.
But that's the cool part, right?
So, you know.
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