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Fast Robot Prototyping

Lana writes "This article walks you through various materials and techniques you can use to physically build a robotic prototype. See how to build a fast and easy prototype that can be disassembled, reconfigured, and reassembled. This article builds on a previous articles, entitled 'How to drive your wireless robot.'"

56 comments

  1. Next article in the series by Anonymous Coward · · Score: 5, Funny

    "How to make love to your robot"

  2. Robots and cars by zegebbers · · Score: 5, Insightful

    are excellent for getting kids interested in science/engineering. These sorts of things can be modified and are fun to learn so they're perfect. The prices are also relatively modest compared to other expenses.

    1. Re:Robots and cars by fastgood · · Score: 3, Insightful
      Robots and cars ... are excellent for getting kids interested in science/engineering"

      Give a kid a fish and he eats for a day.
      Give a kid a car, and he gets interested in everything *but* science and engineering...

      --
      Fourth post, Fourth post, Fourth post.
      Mod me up from all these 0/1 comments.
      Robots miss articles greater than one.

    2. Re:Robots and cars by $RANDOMLUSER · · Score: 4, Funny
      You misquoted it.

      Build a man a fire, and you'll keep him warm for the night.
      Set a man on fire, and you'll keep him warm for the rest of his life.

      --
      No folly is more costly than the folly of intolerant idealism. - Winston Churchill
    3. Re:Robots and cars by Pneuma+ROCKS · · Score: 0

      I agree. I think constructing with LEGOs were a great incentive for me as a child. It really helps you build some basic scientific skills, such as following specifications, perfect model vs imperfect reality, as well as testing and some experimentation and creativity. Some kids love it, some hate it. Giving it a shot is something that has little to lose and quite a lot to gain.

      --
      Favorite quote: "
    4. Re:Robots and cars by jcostantino · · Score: 1
      I thought it was this:

      Give a man a fish and you feed him for a day.

      Teach a man to fish and you give up your monopoly on fisheries.

      --
      Reviews with a twist! http://www.sardonicbastard.com
  3. For knives and stabbing weapons... by JoshRoss · · Score: 4, Funny

    My rapid prototyping machine is the T-1000. The biggest problem is that it can't form complex machines. Guns and explosives have chemicals, moving parts. It doesn't work that way.

    1. Re:For knives and stabbing weapons... by focitrixilous+P · · Score: 1

      Don't let it catch you drinking milk from the carton. It hates that.

      --
      SAILING MISHAP
  4. Beautiful... by RedNovember · · Score: 5, Interesting

    I have to say, this is one of the most useful things I've seen on Slashdot in a while. For getting kids interested: my old middle school used to participate in a robotics league, which really got me interested in the whole idea of AI and computer programmming. There was too much demand: we could only send 16 people (8 per team) and every year 50 kids would show up. Let's get some schools to join...

    --
    "MY APOCALYPTIC TENOR HAS NOT BEEN DISPELLED!" - T-Rex, qwantz.com
    1. Re:Beautiful... by ZachPruckowski · · Score: 2, Insightful

      and I think that kids interested in science is something we really need. I mean, if we want to keep a strong science industry going, we need the future generation, basically anyone my age or younger (18), to not only use computers and techno-toys, but understand them to some degree.

  5. Yeah, but... by r2tincan · · Score: 1

    These sorts of things can be modified and are fun to learn so they're perfect.

    Sure, it all seems like fun and games until the damn things become sentinent.

    --
    "Lead my skeptic sight."
  6. Hold on... by RedNovember · · Score: 1, Informative

    Let's not forget the first article in the series...

    Overall, it's not a bad primer on the field of robotics. The entire series is a refreshing read for beginners.

    --
    "MY APOCALYPTIC TENOR HAS NOT BEEN DISPELLED!" - T-Rex, qwantz.com
  7. You build one of those... by r2tincan · · Score: 1

    ...and your parents are already dead.

    --
    "Lead my skeptic sight."
    1. Re:You build one of those... by RedNovember · · Score: 1

      At least they don't have to bother killing you for being an idiot... You'll have done it yourself.

      Hey... self-fulfilling Darwin Award!

      "My parents will kill me..."

      *BANG!*

      --
      "MY APOCALYPTIC TENOR HAS NOT BEEN DISPELLED!" - T-Rex, qwantz.com
  8. Excellent technique by Anonymous Coward · · Score: 4, Interesting

    While it may look Mickey Mouse, building a prototype with Lego can save a huge amount of time. It is very easy to get a working system using Lego. I've had students build pick and place robots and conveyer systems with Lego. That's step one. At that point you have a working system consisting of mechanical parts, electrical parts, driver circuits and software.

    Step two is to replace part of the system with the real item. Repeat step two until you have a complete system comprised of 'real' parts. Then, you're done.

    The beauty of this approach is that you are always dealing with a working system. If you build a part and it doesn't work, then that's what you have to fix. The alternative, where you build all the parts and assemble them and hope it all works, doesn't give you that advantage. If the system doesn't work, you don't know which part to fix first.

  9. Is this a really a robot? by rufusdufus · · Score: 4, Interesting

    I saw my first homemade robot well before the PC ever came out. It was made by a guy with only rudimentary electronics skill; he used a blow torch as a soldering iron. The thing didn't do much, drove around and moved its arm up and down and it had a great gripping arm. But from what I see on this page, it did a lot more than this "robot" from the year 2005 can do.
    Is this thing anything more than a very expensive remote-control car minus the remote? I don't see any reference to sensors and feedback. Without some sort of sensor/feedback mechanism, some sort of intelligent behavior, I wouldnt call it a robot.

    1. Re:Is this a really a robot? by RedNovember · · Score: 1

      I have to assume it's building up to that. If you haven't built robots before, maybe you don't want to start fiddling with sensors until you've got motors down.

      --
      "MY APOCALYPTIC TENOR HAS NOT BEEN DISPELLED!" - T-Rex, qwantz.com
    2. Re:Is this a really a robot? by kfg · · Score: 1

      Is this thing anything more than a very expensive remote-control car minus the remote?

      Well, it is only the second installment of a teaching series of articles, which ends by noting that this is not a complete robot, but only a prototype needing further development.

      Without some sort of sensor/feedback mechanism, some sort of intelligent behavior, I wouldnt call it a robot.

      Yep, a robot is as a robot does. You recognize them by their behavior.

      And you've just described your home heating system's thermostat. They're already with us and working for us in our daily lives.

      KFG

    3. Re:Is this a really a robot? by Anonymous Coward · · Score: 1, Funny

      The thing didn't do much, drove around and moved its arm up and down and it had a great gripping arm.

      I dunno, sounds like the average slashdotter would put a pink bow on its head, call it "Natalie" and marry it.

  10. Re:Public Alphas by Anonymous Coward · · Score: 2, Insightful

    I'm all for it. I'm 24 and, thank the FSM, was given Legos to play and for some years basically grew up on a construction site. I'm now an electrical engineering student. I have some ME majors come to me for help with prototyping stuff -- we're talking about people who can use a CAD/CAM system like gods but can't operate a drill press.

    Anything that gets people to build stuff instead of playing xbox is good.

  11. Lego Mindstorms by endlessoul · · Score: 4, Informative

    After skimming TFA, this idea seems all well and good. However, this immediately brought to mind Lego Mindstorms.

    Besides, with Legos, you don't have to have power tools. Just your handy dany digits.

    1. Re:Lego Mindstorms by PromANJ · · Score: 2, Interesting

      Yeah, mindstoorm is nice, but the different engines and stuff looks a bit clumpsy. It would be great if they made some proper servos (like in those humanoid robot kits).

      An artificial muscle system would be great too, using their pneumatics systems perhaps? I doubt they'll do it though, you can't even order individual parts from Lego. You have to order them from people that buy stuff and sort all the parts.

      As for lego mecha builders, check out these crazy talented japanese builders Nakany, Zizy etc.. It would be awesome if these people could submit their designs to lego along with a description of the parts, and then Lego has a robot that collects the parts, packages etc. Lego kits on demand.

      So, Servos, pneumatic controller, individual part ordering, fan made kits. Those are my demands!

    2. Re:Lego Mindstorms by cr0sh · · Score: 1
      I doubt they'll do it though, you can't even order individual parts from Lego.

      Of course you can...

      They used to be called "Pitsco-Lego-Dacta", but apparently (recently?) they spun off their Lego Educational stuff into a separate site and store (Pitsco sells a lot of science educational stuff, not just Lego) - and finally, you can buy the blue tanks (for the pneumatics)!!!

      --
      Reason is the Path to God - Anon
  12. most useful thing for physical prototyping by Mungkie · · Score: 5, Informative

    Some stuff called polymorph (a trade name I think?) it's a thermo plastic that becomes maleable in boiling water and sets tougher than most other plastics. Perfect for making parts for almost anything that is not heated above 50'C.

    Tools wise a dremmel type drill, lathe, set of files, hacksaw, and a screwdriver.

    1. Re:most useful thing for physical prototyping by Anonymous Coward · · Score: 0
      Some stuff called polymorph...

      Apparently also called "Friendly Plastic" (!?!?) and readily available in crafts stores.

    2. Re:most useful thing for physical prototyping by Shotgun · · Score: 2, Informative

      Use a paper cutter for the aluminum sheet to get straight cuts.

      Build a brake with a couple door hinges and 3 pieces of wood so that you can put in straight bends.

      --
      Aah, change is good. -- Rafiki
      Yeah, but it ain't easy. -- Simba
  13. Johnny 5 Alive! by Mr.Progressive · · Score: 5, Funny

    See how to build a fast and easy prototype that can be disassembled

    No disassemble!

    --
    Okay, so a philosopher, a philologist, and a philatelist walk into a bar...
    1. Re:Johnny 5 Alive! by vlad30 · · Score: 1

      Actually not quite, but some are trying http://systemtek.co.uk/teamrobotics/index.php see here for a set of opensource plans

      --
      Your'e all thinking it, I just said it for you
  14. A new RoR by mios · · Score: 1

    I'd like to announce a new RoR framework -- Robots On Rails -- it's a full stack, open source, robotics framework.

    We model a robot based on a real human sample .. no tricky programming ... no need to bother yourself with the hum-drum responses to sensory inputs ...

    So bring your buttler down and we'll auto-generate a butler robot based on the human model's attributes instrinsic to their DNA sequence ... all you need to do is extend the base DNActiveRecord

    Bring some extra 2x4's and I-Beams, and you'll get some quick scaffolding up which you can customize later tailor to your *specific* robot's aesthetic needs ... because at the very core, all robots are the same.

    Our Motto will always be "No heuristics, no problem!"
    We're putting together the final touches on our 20min tutorial video as we speak ... keep on the lookout.

  15. How about wife prototyping? by No2Gates · · Score: 1

    They need to do this for spouse prototyping. Would save a fortune on divorces. You would see a lot of lawyers homeless. Is there a downside to this???

    --
    Every time you call tech support, a little kitten dies.
  16. Fast robotic prototypes one day... by cuteseal · · Score: 1
    Yeah yeah, fast robotic prototypes one day, Skynet the next.

    I for one, welcome our new killer robotic overlords!

  17. OMNI Magazine story on prototype robots in '81 by RancidPickle · · Score: 4, Interesting

    Back in the early 1980-1981 era, OMNI magazine had a great artical on building prototype robots that thought like insects. The gent in charge of the program at MIT decided that it would be a good idea to begin a robotic life at the insect level, then build (evolve?) from there. He used toy cars from Radio Shack, and they had programmed responses, such as flee when the lights came on, following tail-lights, and setting up a territory.

    When the robots started doing odd things, they learned quite a lot. One thing that was programmed into the bugs was to defend a territory. The bugs would run a perimeter, and if another robot had tresspassed, they would park and shine their headlights on each other. Theoretically, they should have stayed locked this way, but sometimes one would give up and stake out a new territory.

    They were using this for prototyping, and I wonder how far they've come since 1981.

    --
    "First things first, but not necessarily in that order."
    - Doctor Who
    1. Re:OMNI Magazine story on prototype robots in '81 by tpearson · · Score: 3, Informative

      I believe you're talking about Mark Tilden and B.E.A.M. robotics. IIRC, he now works (worked?) at Los Alamos with his bottom-up approach.

    2. Re:OMNI Magazine story on prototype robots in '81 by SnowZero · · Score: 1

      I think he's referring to Rodney Brooks. Along with much of the robotics community, Tilden was heavily influenced by Brooks in the late 80s (see this article). Brooks preached an approach of building and evolving robot designs, starting with simple "insects" first. Tilden has taken the simple-only approach a bit further than anyone else though, and remains pretty controversial in his ideas.

    3. Re:OMNI Magazine story on prototype robots in '81 by FleaPlus · · Score: 1

      I believe you're talking about Mark Tilden and B.E.A.M. robotics. IIRC, he now works (worked?) at Los Alamos with his bottom-up approach.

      Nowadays, Mark Tilden actually develops robots for WowWee Toys. He's responsible for that RoboSapien thing you see all the time in toy stores, and he's curently working on a number of robots to succeed it.

    4. Re:OMNI Magazine story on prototype robots in '81 by Anonymous Coward · · Score: 2, Funny

      >> They were using this for prototyping, and I wonder how far they've come since 1981.

      Doing fine thanks! Read slashdot regularly, and have tried to get first post, but there must be faster models out there than me..
      I look back at my territory-defending, headlight-flashing days and just laugh now!

  18. Awesome by Kickboy12 · · Score: 1

    Maybe I should build myself a robot one of these days, would be fun. Too bad that 'battle of the robots' TV-craize died out, even though those shows were dumb and pointless.

  19. Old news... by IronMagnus · · Score: 1

    " See how to build a fast and easy prototype that can be disassembled, reconfigured, and reassembled."

    They're called legos....

  20. Coral Cache by Anonymous Coward · · Score: 0
  21. Such a shame, really by Anonymous Coward · · Score: 0

    Well that's sad, this discussion looks like it really got looked over. I found it interesting that most of the people that posted in this discussion has an older UID. It's a shame that a topic about ad blocking gets more attention.

    Anyways, I've been reading about Digital Circuits and using TTL chips, howstuffworks.com has some great resources, does anyone know of any other great resources, for a young person that is near broke and can't afford to go to school at the moment, on basic digital circuity?

  22. If the robot needs a brain by Anonymous Coward · · Score: 1, Informative

    http://www.scn.org/~mentifex/mind4th.html is a free artificial intelligence for your robot

    http://mind.sourceforge.net/m4thuser.html is the User Mainual of the free AI Brain for robots.

    http://en.wikipedia.org/wiki/Connectionism#Spreadi ng_activation is the principle of operation of the free AI Mind for robots.

    http://doi.acm.org/10.1145/307824.307853 is an ACM paper on the AI Brain from 1998.

    http://doi.acm.org/10.1145/1052883.1052885 is an ACM follow-up paper from 2004.

    http://www.914pcbots.com is where robot-builders discuss the AI Brain in the A.I. Zone forum. See you there.

  23. ugly by jotux · · Score: 1

    See how to build a fast and easy and ugly prototype that can be disassembled, reconfigured, and reassembled.

  24. Re:Public Alphas by h0tr0d · · Score: 2, Insightful
    Anything that gets people to build stuff instead of playing xbox is good.
    Exaclty how I feel. That's why when my 7 year old expressed interest in robots when he was 5 I jumped at the opportunity to start teaching him how to build things. He's got a collection of Lego Galidor space robots he started building, morphing, and even hacking when he was 5. This summer he moved up to building a working model of an internal combustion engine and helped me build a mousey junkbot. I'm taking advantage of his interest to make sure gets a well rounded skill set to include both the mechanical and electronic.

    I worked for a small firm a few years ago and spent more time doing mechanical engineering stuff than electronic. I was the only one in the office who had any idea how to prototype the mechanical side of our electronic products and who could design them in CAD to produce the necessary blueprints to send to production.

  25. Article reminded me of a robot I made... by digitaldc · · Score: 2, Interesting

    When I was around 13 years old, a friend and I built a robot out of a yellow plastic garbage can for the body, a paint can for the head, and red and green lights for the eyes and nose. It was assembled using some basic switches and alligator clips we got at Radio Shack. It basically did nothing more than light up as 'yes' and 'no' responses, make some noises and provided hours of enjoyment for some bored kids.

    --
    He who knows best knows how little he knows. - Thomas Jefferson
  26. Re:Now I can own my own robot! by Anonymous Coward · · Score: 0

    Do, or do not.

  27. Oblig. Simpsons by Damien+Conlon · · Score: 1

    Now that we've actually built a starter robot, we're in a great position to talk about programming and wireless technology issues in future articles.

    See all that stuff in there Homer? That's why your robot never worked.

  28. Re:More information.... by technoextreme · · Score: 1
    I think he's referring to Rodney Brooks. Along with much of the robotics community, Tilden was heavily influenced by Brooks in the late 80s (see this article). Brooks preached an approach of building and evolving robot designs, starting with simple "insects" first. Tilden has taken the simple-only approach a bit further than anyone else though, and remains pretty controversial in his ideas.

    W. Grey Walters/Braitenberg begot Brooks which begot Tilden. W. Grey Walters built his robots out of vacuum tubes in order to conduct experiments into the human mind. Braitenberg had a series of thought experiments involving robots and how they can respond using complex stimuli (essentialy some of his ideas are now BEAM robots). Eventually, all of his designs were built and tested by MIT where they worked.
    --
    Ooo man the floppy drive is broken. No wait. The computer is just upside down.
  29. Oblig. South Park by Lester67 · · Score: 1

    It's AWESOM-O!

    Butters would be thrilled.