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I ordered a Lego Mindstorms System recently. But now, when I read all your mails, I wonder if its really a toy for our eleven year old boy or if its a toy for me. ___...___ More than just email--Get your FREE Netscape WebMail account today at (URL) (26 years ago, 23-Dec-98, to lugnet.robotics)
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| | Re: toy for children or adults
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(...) Most of the adults that have children ask the same question... Laurentino Martins *<||:-) [mailto:lau@mail.telepac.pt] [(URL) (26 years ago, 23-Dec-98, to lugnet.robotics)
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| | Re: toy for children or adults
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(...) I would say it definitely serves both purposes equally well. An eleven year old would most likely love the toy, as would most post-30 year old adults I associate with. :-) -brian (26 years ago, 23-Dec-98, to lugnet.robotics)
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| | Re: toy for children or adults
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In article <4.1.19981223140235....1.90.220>, Laurentino Martins <lmartins@marktest.pt> writes (...) You got that the wrong way. Most children that have 'adults' ask that question (8-)# (26 years ago, 23-Dec-98, to lugnet.robotics)
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| | Re: toy for children or adults
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(...) Yes. Slightly more seriously, the joy of Lego, IMHO, is the joy of building, of creating. That's something everyone should enjoy regularly, throughout life. Dave Taira | Broken pipes, broken tools, people bending broken rules / | Hired Gun | (...) (26 years ago, 23-Dec-98, to lugnet.robotics)
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| | Re: toy for children or adults
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Dave Taira schrieb in Nachricht ... (...) your (...) a (...) | (...) broken | (...) | It´s like a model railway, intended for the children, used by daddy..... Joer (25 years ago, 31-Dec-98, to lugnet.robotics)
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| | RE: Seeking Strategies on Humanoid Robots/Walkers
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Greetings Lego Fans - I am seeking tips/tricks/hints on building humanoid characters with the RCX designed for movement (2 legs, 2 arms, 1 torso, and 1 head). Ideally, it would be capable of mimicking at least 2 joints per limb (say, elbow and wrist (...) (25 years ago, 31-Dec-98, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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(...) I am playing with a similar project in my spare time, I have found that your first step should probably be to write a MEL script that outputs a text file with all of your rotational data (this is easier if you are not using IK, but can be done (...) (25 years ago, 31-Dec-98, to lugnet.robotics)
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| | RE: Seeking Strategies on Humanoid Robots/Walkers
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Interesting !! Nice to have someone else tackling the problem, I guess if your on the Internet your never alone :) That is a good idea about using MEL, it should be possible to construct a file, perhaps even standardize a format to it and then read (...) (25 years ago, 31-Dec-98, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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(...) I wish I had the time to do this, but all my modeling time gets taken up by work. (...) My solution on the Maya side of things, is to setup all the gears with a series of "Driven Keys" so that each gear in turn forces the appropriate movement (...) (25 years ago, 31-Dec-98, to lugnet.robotics)
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| | RE: Seeking Strategies on Humanoid Robots/Walkers
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L. M. Lloyd said, Unfortunately I do not have this tool. How much does it cost? Where can I get more info on it? This plug-in is in a set of plugins called KPT and they are (gasp) FREE (this is unheard of using an SGI for those of you who aren't (...) (25 years ago, 1-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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(...) What is Maya? Cheers, Ben. (25 years ago, 1-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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(...) Maya is a high end 3D animation application made by a company named Alias|Wavefront which is a subsidiary of Silicon Graphics. -- ___...___ L. M. Lloyd lee@advfilms.com SGI Animator ADV Films USA ___...___ -- Did you check the web site first?: (...) (25 years ago, 1-Jan-99, to lugnet.robotics)
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| | RE: Seeking Strategies on Humanoid Robots/Walkers
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(...) Maya is a high end 3D animation application made by a company named Alias|Wavefront which is a subsidiary of Silicon Graphics. -- And the reason we are getting excited about this with the robotic legos is that Maya generates (or can be told to (...) (25 years ago, 1-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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(...) This sounds very cool - but ... how will you stop it from falling over? Cheers, Ben. (25 years ago, 1-Jan-99, to lugnet.robotics)
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| | RE: Seeking Strategies on Humanoid Robots/Walkers
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Well, that is the million dollar question, so to speak :) There really is no predetermined requirement that says the figure HAS to be humanoid, so I suppose a four or six legged creature (or even a creature with no legs) would work just as well, and (...) (25 years ago, 2-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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My untested theory for the balance issue involves a Lego Gyroscope to maintain the balance. I have yet to complete the design of the Gyro, but I will.. If the Gyro were small and light, you would need a high rate of speed (20k+RPM?) to maintain the (...) (25 years ago, 4-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers [DAT]
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(...) I seem to recall that noone has succesfully solved the problem of artificial biped locomotion even in traditional robotics, let alone within the constraints of LEGO. Basically, what you need is a system that can sense very delicate shifts in (...) (25 years ago, 19-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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Jasper Janssen wrote in message <36a3ca48.45364286@l...et.com>... (...) This problem has been solved with both fuzzy logic and neural network control systems. I believe that a traditional control system approach to this problem has yielded poor (...) (25 years ago, 21-Jan-99, to lugnet.robotics)
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| | Re: Seeking Strategies on Humanoid Robots/Walkers
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Patrick Gili wrote in message ... (...) Actually, they can be built with *relatively* simple, active-feedback systems for the balance and control. Simple legged robots (one leg is actually easier than two to control) have been around since ~1980. (...) (25 years ago, 21-Jan-99, to lugnet.robotics)
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