 | | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) I guess we're talking different things here. You were telling me to use all three motor/sensors. I claim I only need two for my Quad242. I have to see WWW to know what you are talking about I guess, or else you lost me. Static balance requires (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been donebefore/etc?
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(...) Doug Carlson has working examples: (URL) (...) I understand it. (...) Kevin (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Well I was restricting the discussion to modifying my Quad242. I think you are talking about something else. I think you were proposing using all three inputs and outputs to run the motors and control switches. I was proposing using less of (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | RE: an idea, can someone tell me if this is possible/been donebefore/etc?
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<SNIP> (...) Look up Tri-Star Wheel. Instead of driving wheels, drive gears that move legs (or pneumatic pumps). Remember that a Tri-Star Wheel uses a differential. When the input shaft is turned, it spins the body of the differential which turns (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Bad assumption but it would work, the RCX is too limited on I/O to be doing that sort of stuff except in the case of simple rollers/walker. Since legs have symmetry it's silly not to take advantage of it here, you've got to use it to keep the (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Nope, it's actually pretty easy. Sel-Syn. It's been used on naval ships to control guns since sometime in the mid-1800's. -- -- Open Forge, LLC 24/365 Onsite Support for PCs, Networks, & Game Consoles 512-695-4126 (Austin, Tx.) (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) A man after my own heart ;) It seems to be the way nature works too, start simple only add complexity when a energy capture issue arises and forces an adaptive response. Most adaptions are neutral, despite the dribble they teach all the way up (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: Broken Mindstorms motors
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(...) Call "LEGO Shop at Home" and get four replacement motors. I just called them about a broken motor and a broken "pneumatic double acting cylinder". I called them pistons, but when she finally found them in 8455, she made sure I knew they were (...) (22 years ago, 2-Dec-03, to lugnet.robotics.rcx)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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That's "scene analysis", not "seen analysis". I knew I had a typo like that, but could not find it. ----- Original Message ----- From: "Gordon Elliott" <gelliott@csisc.cc> To: <lego-robotics@crynwr.com> Sent: Tuesday, December 02, 2003 2:21 PM (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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Earlier, Jim Choate said: (...) I think it is important to understand both simplicity and complexity here. For example a fluidic (e.g. pneumatic) cylinders have the potential for redistribution between cylinders of load force. This is equivalent to (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) When driving I'm sometimes not where I want to be but am rarely lost. When lost I have no problem asking directions :^) When it comes time to make complicated robots out of LEGO I'm often lost and don't like to ask directions! I know this post (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) What if we assume that each output drives a motor, through a differential which drives a pneumatic switch and a compressor. The compressor does not care which rotational direction it is driven, but the switch does. When we are mostly up to (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) I gotta see the movie to really appreciate what you'd like to see. (...) The foot on the obstacle is not in the air but on the ground. If you mean that one foot is on the obstacle and the other can't reach the ground, I see your point. I was (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) One of my design goals when making robots is to not use the RCX unless it is needed. I program computers and debug hardware all day at work, so I can write NQC programs in my sleep. For me it is much more of a challenge (and therefore more (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: Search algorithms
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(...) A* works just fine under legOS. I haven't tried it in NQC, where I'd expect to have some minor issues with the list management. - Alex (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: NQC's future
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In lugnet.robotics.rcx.nqc, John Hansen wrote: John, thanks for taking on the maintenance and improvement of NQC. (...) I'd definitely like to see this one implemented, when you can find the time. :-) Mark (22 years ago, 2-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | NQC's future
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I'm very interested in hearing from NQC users what their needs/wishes are for future enhancements. Here's my current list of updates/enhancements that I am working on. 1. Built-in and documented Spybot API. 2. Fast firmware download via USB tower (...) (22 years ago, 2-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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On "complexity", I would point out that the computational power of the neural pathways of the house fly thoroughly exceeds the computational throughput of our most massive supercomputer clusters at the moment. True "adaptation" would require (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Just checked, yep. Not counting this one I sent three responses to -your- request for input on your project. -ALL- of them went to the list. Me thinks he protest too much. -- -- Open Forge, LLC 24/365 Onsite Support for PCs, Networks, & Game (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Nothing, you asked a question and I explained the situation. (...) I have no interest in your mental state. (...) I've actually sent you nothing I didn't CC to the group as far as I'm aware. (...) -technical- toys. (...) You asked a question, (...) (22 years ago, 2-Dec-03, to lugnet.robotics)
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