 | | Re: Contest —Joel Shafer
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| | | With the restriction that there are no obstacles in the room, the robot could use the IR-Radar scheme that has been discussed to probe around. If it found an obstacle that was only a couple of inches wide it would know that it was a coke can and not (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | Re: Contest —Dan McCabe
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| | | | | An interesting proposal. (...) I would presume that adding a third motor (like for a gripper to pick up a Coke can) would constitute a non-RIS only solution, since the RIS only comes with two motors? Although I guess you could capture the can with (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | | | Re: Contest —David Ungaro
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| | | | | | | Good point - there were only 2 motors. It would be better if it were multiple cans as well. The scoring system on that Dallas contest web page ((URL) looked pretty good to me. It is an interesting problem to drive the bot and pick up the can with (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | | | | | Re: Contest —Alan G. Smith
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| | | | | | | | | It isn't actually that tough to do it with two motors. I can think of two ways off of the top of my head. 1) Motor I - Drives both treads forwards, only drives one backwards Motor II - grabbing the can 2) Motor I - Drives left tread forwards, (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | | | | | | | Re: Contest: two motor idea —Rod Paananen
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| | | | | | | | | | | Alan Do you have a schematic or diagram of your ideas? What type of gearing would you have to allow two separate gear movements forward and back? Does anybody else have any configurations they've come up with to accomplish the same task? I'm (...) (25 years ago, 24-Feb-99, to lugnet.robotics)
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| | | | | | | | | | | Re: Contest: two motor idea —Jonathan Knudsen
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| | | | | | | | | | Michael Powell's directional transmission shows one way to do different things based on the direction of the motor: (URL) this helps, Jonathan -- Did you check the web site first?: (URL) (25 years ago, 24-Feb-99, to lugnet.robotics)
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| | | | | | | | | Re: Contest —Laurentino Martins
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| | | | | | | | (...) Yes! Forget the limitation rules, or at least make the limits on the number of parts a lot higher. To build a bot to meets that challenge is already difficult enough, don't make it even more difficult or very few people will ever make it to (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | | | | | | Re: Contest —Dan McCabe
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| | | | | | | | | Actually, I believe that the original poster suggested that here be a bonus or award for achieving the goal while limiting their entry to only a single RIS. Based on the ideas that have been flowing in, it sounds doable to achieve the result with a (...) (25 years ago, 24-Feb-99, to lugnet.robotics)
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| | | | | | | | | | Re: Contest —Laurentino Martins
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| | | | | | | | First, I don't have the time to participate right now, since I have a daytime job and LEGO is only for weekends and holidays, but I'd like to participate somehow! q:-) How long did you say was the time limit to build this bot? Second, I don't have a (...) (25 years ago, 24-Feb-99, to lugnet.robotics)
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| | | | | | | | | | Re: Contest —Mark Tarrabain
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| | | | | | | | | (...) I don't anticipate having the time to participate myself either. I have some ideas on how to go about it though, which I've already posted. (...) The Cybermaster does not appear to be robust enough to handle this sort of challenge. I'm not (...) (25 years ago, 24-Feb-99, to lugnet.robotics, lugnet.robotics.events)
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| | | | | | | | | | Re: Contest —Laurentino Martins
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| | | | | | | | (...) It isn't! That's the real challenge!! :-) (...) I don't know if you intend to use the standard firmware, but in the CyberMaster I don't even have that choice. The CyberMaster and the PC were made to work as one. For one thing, without floating (...) (25 years ago, 24-Feb-99, to lugnet.robotics.events, lugnet.robotics)
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| | | | | | | Re: Contest —Joel Shafer
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| | | | | | | Let's have a couple of classes of competition. Unlimited class is anything goes. Basic class will be the basic Mindstorm set + one motor. Perhaps we should define a class in between as well. We will have to define the size of the room to prevent a (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | | | Re: Contest —Russell Nelson
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| | | | | | Dan McCabe writes: > I would presume that adding a third motor (like for a gripper to pick up a Coke > can) would constitute a non-RIS only solution, since the RIS only comes with two > motors? Although I guess you could capture the can with an (...) (25 years ago, 23-Feb-99, to lugnet.robotics)
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| | | | | Re: Contest —Linc Smith
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| | | | I like it! LINC (25 years ago, 23-Feb-99, to lugnet.robotics)
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