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Hardware Hacking Robotics Build Technology

Quadrocopters Throwing and Catching an Inverted Pendulum 103

Posted by Soulskill
from the next-up:-catching-baseballs dept.
derGoldstein writes "We've seen some very impressive aerobatics performed by quadrocopters before, but this is getting ridiculous. Robohub points to the latest advancement from the Flying Machine Arena, which developed algorithms that allow quadrocopters to juggle an inverted pendulum. One of the researchers working on it said, 'We started off with some back-of-the-envelope calculations, wondering whether it would even be physically possible to throw and catch a pendulum. This told us that achieving this maneuver would really push the dynamic capabilities of the system. As it turned out, it is probably the most challenging task we've had our quadrocopters do. With significantly less than one second to measure the pendulum flight and get the catching vehicle in place, it's the combination of mathematical models with real-time trajectory generation, optimal control, and learning from previous iterations that allowed us to implement this.'"

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Quadrocopters Throwing and Catching an Inverted Pendulum

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  • Re:science (Score:2, Insightful)

    by Anonymous Coward on Friday February 22, 2013 @12:18PM (#42981329)

    This was a triumph!
    I'm making a note here:
    "HUGE SUCCESS!!"

    It's hard to overstate
    my satisfaction.

    Aperture Science:
    We do what we must
    because we can.

    For the good of all of us.
    Except the ones who are dead.

    But there's no sense crying
    over every mistake.
    You just keep on trying
    till you run out of cake.
    And the science gets done.
    And you make a neat gun
    for the people who are
    still alive.

    I'm not even angry...
    I'm being so sincere right now-
    Even though you broke my heart,
    and killed me.

    And tore me to pieces.
    And threw every piece into a fire.
    As they burned it hurt because
    I was so happy for you!

    Now, these points of data
    make a beautiful line.
    And we're out of beta.
    We're releasing on time!
    So I'm GLaD I got burned-
    Think of all the things we learned-
    for the people who are
    still alive.

    Go ahead and leave me...
    I think I'd prefer to stay inside...
    Maybe you'll find someone else
    to help you?
    Maybe Black Mesa?
    Find More lyrics at www.sweetslyrics.com
    That was a joke Haha! Fat Chance!

    Anyway this cake is great!
    It's so delicious and moist!

    Look at me: still talking
    when there's science to do!
    When I look out there,
    it makes me GLaD I'm not you.

    I've experiments to run.
    There is research to be done.
    On the people who are
    still alive.
    And believe me I am
    still alive.
    I'm doing science and I'm
    still alive.
    I feel fantastic and I'm
    still alive.
    While you're dying I'll be
    still alive.
    And when you're dead I will be
    still alive.

    Still alive.

    Still alive.

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