Subject:
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Re: Contest
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 23 Feb 1999 19:20:16 GMT
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Original-From:
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Alan G. Smith <innovate@innovatus.com^IHateSpam^>
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Viewed:
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999 times
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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, backwards operates grabber
Motor II - Drives right tread frowards, backwards operates something
else.
Unfortunately both of these methods keep you from backing up straight, but
that can be worked around.
Any other ideas?
--Alan
+---------------
| Alan G. Smith
| ags@poboxes.com
| http://www.innovatus.com/ags
On Tue, 23 Feb 1999, David Ungaro wrote:
> 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
> (http://www.dprg.org/CanCan.htm) looked pretty good to me.
>
> It is an interesting problem to drive the bot and pick up the can with only 2
> motors... Tough...
>
> Cheers,
> David
>
> Dan McCabe wrote:
>
> > An interesting proposal.
> >
> > Joel Shafer wrote:
> >
> > >
> > > By the way, I'm open to extra kits or sensors being used, I just suggested
> > > extra points being given for an RIS only solution.
> >
> >
> > 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 indented ot hollow
> > robot and push it out of the room.
> >
> > Cheers,
> > danm
> > --
> > Did you check the web site first?: http://www.crynwr.com/lego-robotics
>
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: Contest: two motor idea
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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)
| | | Re: Contest: two motor idea
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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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Message is in Reply To:
| | Re: Contest
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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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