Flying Robot Bird Unveiled
mikejuk writes "Festo, well known for their biologically inspired robots, have a new creation called SmartBird. It is amazing to watch and all the more amazing when you realize that it flaps its wings and all of the control is via a torsion drive which twists the wings during each flap. The whole thing depends on the constant intervention of the software to keep it under control."
...targeted bird droppings.
Well beyond humanoids.
It's so beautiful, interesting, and yet creepy in a way.
Humanity's advances in certain areas (like robotics) are amazing. The sad part is that we are way ahead in certain areas, but way behind in other three key areas:
a) Energy:
We still have to crack the energy issue. We lack both reliable ways to gather energy, and reliable ways to store it.
b) AI
We are still in diapers in weak AI, and not even started in strong AI.
c) Economy
We are still based on the stupid principle of scarcity. Until we realize that we can produce as much as we need of just about anything, and that we are limiting ourselves by creating artificial scarcity to keep alive a system that's been dead for a long time, we won't make that breakthrough into what we thought the year 2000 was going to be.
WTF am I doing replying to an AC at 5 A.M on a Friday night?
This is quite simply amazing. And even though it's not perfect, can you imagine the implications of this? Everything from weaponization to ornithology. Imagine being able to observe a flock of birds on a migratory route as part of the flock! It's really quite stunning.
it fills me with joy. I wonder if other birds will attack it.
Why do no ornithopters employ feather analogs? They all have solid wings. Flight feathers form a check valve, letting air through the wing on the upstroke, and capturing it on the downstroke. This arrangement allows the bird to put a lot less energy into the upstroke (and thus not lose as much altitude). With a solid wing, you wind up pushing the craft down on the upstroke almost as much as you lift it on the downstroke.
When our name is on the back of your car, we're behind you all the way!
I'm surprised they let Uwe Boll rob Hitchcock's grave.
About the word? Ba-ba-ba-... *ahem*... I, for one, welcome our new cybornithological overlords.
Really?
I've never seen a bird break the sound barrier.
Fighters already exceed the capability of the pilot in terms of maneveuring - it doesn't matter if you make the planes even better the pilot will still black out/die anyway.
And also, real bird also depend on constant intervention of the software, i.e brain. Usually when birds lose their heads, they stop flying. Or so I've heard.
Whenever in an argument, remember this.
I'm not saying you're wrong,but the point of flapping is thrust not lift.
horror vacui
I don't think so. Most of the 'stabilization hard- and software' of the birds is probably built-in into the autonomous neurological network, just like a human is able to walk/run/jump upright - which is inherently unstable - without having to consciuously micromanage all muscles that are involved.
I'm not a coward by any name.
I'm not saying you're wrong,but the point of flapping is thrust not lift.
It's both, actually. However, a wing is probably not going to generate a lot of lift on the upstroke, so why pour a lot of energy into it? When you look at bird musculature, they have huge muscles for pulling the wing down, but for pulling it up - not so much.
When our name is on the back of your car, we're behind you all the way!
I watched the video, and it reminds me a lot of the Tim bird: http://www.amazon.com/Schylling-NTN-Tim-Bird/dp/B000ELORZO.
Not to take away from what they've done, but it really does seem to fly like Tim. So basically the Tim toy with an electric motor instead of a wound up rubber band, and maybe remote control to help steer. Ok, granted it looks like the head moves but I wasn't blown away.
Still its pretty cool, but I didn't see them do anything awesome. How about gliding? Seems pretty basic to me, flap, flap flap, glide like a real bird.
I'm not an expert on flapping-wing aircraft, but you can also acheive low drag on upstroke by rotating the wing so it has the lowest angle-of-attack, and then turning it back so it blocks the most wind on the downstroke.
Birds, having been created by the blind idiot-god evolution, favored (in the appropriate non-intelligent sense) wings that didn't have to do such tricks -- like you say, with feathers, you need a relatively simple flapping motion because they automatically reduce profile on the upstroke and increase it on the downstroke.
Whether the rotating option is better depends on the specifics of the system, and the designers probably found that they could get a better overall structure by not having feathers and optimizing for the no-feather case by having more complicated wing motion (and more complicated software to handle it).
Information theory is life. The rest is just the KL divergence.