 | | Re: Complete instructions for Linux?
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(...) $ tar xvzf brickos.tar.gz $ make or $ apt-get install brickos #for debian user ;-) nanobapt (22 years ago, 4-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Search algorithms
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The main problem is of course memory. Under standard firmware, with 32 variables, you're not going to be able to do an A* on much of a grid - 7x7 is about the max, and even then you'd have to fiddle around and store two cells values in a single (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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"Gordon Elliott" <lego-robotics@crynwr.com> wrote in message news:0f7901c3b9c8$84...gateway... (...) i can see jim's doing good job !!! he's humiliating almost everyone here keep doing jim!!! maybe you will achieve that your posts will go to null (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) That's nonsense! You are working on the very naive assumption that nothing in the environment is moving except your robot. If your strategy is to reverse direction when the robot bumps into something in *any* direction - then things will go (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Complete instructions for Linux?
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Is there a complete instruction for installing BrickOS on Linux? I'm particularly interested in details involving creating a cross-compiler and getting the USB tower to work. I've looked at the windows instructions, and have tried to work from them, (...) (22 years ago, 4-Dec-03, to lugnet.robotics.rcx.legos)
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| | Bump switches and "aggression"
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To my thinking there are two approaches to this, really two levels of difficulty, - Make it deterministic, in that if a switch is bumped invert your current trajectory axis, if going forward then reverse, if going R then go L. - Make it more (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | RE: Bump switches and "aggression"
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(...) <SNIP> (...) I think that your example indirectly shows that there are two things to be aware of. Survival is one. Obstacle detection/avoidance is the other. In thinking about it, I can see where there is a fine line between the two. Consider (...) (22 years ago, 3-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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(...) So the pneumatic switch acts as a pneumatic touch sensor and stops the leg from extending fully. I'll keep that in mind. (...) I understand. Thanks for the explanation. (...) Kevin (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) Oh I wish I had some of those touch sensors! One person from rtlToronto has a set and there is much envy from me to him. Right now I'm using lamp bricks, which isn't that great, really, but does work :) Thanks for the heads-up! Dave K (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) go (...) 'bumper'. (...) my (...) me, (...) alternative. (...) There is one solution for staying 100% Lego and putting 4 sensors on the same RCX input. Therefor you should be able to sense which direction you were getting bumped. Lego made (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) <snip> (...) <snip> I'm very new to this particular thread, but I like Gordon's approach--directional sensors are needed. If I'm travelling forward and something bumps me from behind, I need to know that--If my conditional response is to do (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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----- Original Message ----- From: "Jim Choate" <ravage@einstein.ssz.com> (...) was (...) ## The original request was to catalog opinions on bump sensors, a "state of the art". Remember the original question was: ** ... and I'm curious if anyone (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) You should watch my three dogs hunt. If all you've ever seen is a single dog hunt then you know nothing of how dogs actually hunt. They're pack animals, a single dog can't survive in the wild more than a few weeks. Yet three sub-200lb dogs can (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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----- Original Message ----- From: "Jim Choate" <ravage@einstein.ssz.com> To: <lego-robotics@crynwr.com> ... (...) think (...) ### I think this is an interesting question, relating to complexity and emergent and evolutionary behavior which has been (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) How exactly, do you want to trigger this 'fight or flight'? It seems to me that a rabbit (for example) would use both of the methods above. If it's running along, and it's nose smacks into a tree (I mean bumps into a tree) the behavior is very (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Strange BrickOS Timing
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Hi Dietmar, (...) Of course :-) Ciao, Guido (22 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Guido, (...) That patch referes to an older transfer-protocol. The one we are using now, does not need SUCH a stable timing. But the Output from BrickOS is a lot worse than it was in older versions. I thing Gunther can explain this better, but I (...) (22 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Bump switches and "aggression"
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I mentioned a 'reference platform' for the H18 group I've been working on in a previous post, and I'm curious if anyone will share their views on how they view bump switches and 'behavior'. I'm not interested in a debate but rather a 'collection'. (...) (22 years ago, 3-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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"Kevin L. Clague" <kevin_clague@yahoo.com> wrote in message news:HpAAsB.1Kpo@lugnet.com... (...) hmm my english is not very well so i'm explaining in weak way let's say your q242 is walking on a flat surface everything is quite well now ahead q242 (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Roll up, roll up!
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Sunday - December 14 - WAMALUG meeting at GMU - Light Weight Sumo! WAMALUG get togethers are always fun. The upcoming December meeting will be great because we're having a light-weight Sumo contest. Competing 'bots will be subject to a one pound (...) (22 years ago, 3-Dec-03, to lugnet.general, lugnet.robotics, lugnet.org.us.wamalug)
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