Subject:
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Robotics Book
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 12 May 1999 18:45:57 GMT
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Viewed:
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996 times
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Any idea on when that book is coming out? I can barely wait.
-Nick
Jonathan Knudsen wrote in message
<3.0.5.32.19990512105740.009e3ec0@m9.sprynet.com>...
> Hi Michael and everybody,
>
> I'm working on a robot (for my book)
> that uses a single motor to go forward
> and turn in place. I'm using a directional
> transmission, based on Michael Powell's
> original design:
>
> http://www.sonic.net/~rci/transmission.htm
>
> I use the outputs of the directional
> transmission to turn my drive wheels,
> which are located on either side of
> the robot. Run the motor forward, and
> both wheels go forward. Run the motor
> in reverse, and the robot spins in place (a
> zero turning radius). Of course, you can only
> turn in one direction, but this isn't much of
> a limitation, particularly in light of the
> zero turning radius. Want to turn right 90
> degrees? Fine. Want to turn left 90
> degrees? Just turn right 270 degrees (although
> you'd need to rely on timing for this,
> unless you want to get involved with
> rotation sensors).
>
> The gearing is a little tricky--I'm on my
> fourth or fifth iteration of the drivetrain.
> But it is possible, and it leaves you
> with two free outputs to do other stuff.
>
> Regards,
> Jonathan
>
> At 02:22 PM 5/12/99 GMT, Michael Gasperi wrote:
> > In lugnet.robotics, lego-robotics@crynwr.com writes:
> >
> > > > 3rd motor to drive the bot from side to side.
> > > you may need a third motor switch to do the lift/rotate function.
> >
> > I probably need the 3rd motor to power the program reading part of the • vehicle.
> > --
> > 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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