Subject:
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Re: Straight moving with only one rotation sensor
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Thu, 10 Jun 2004 05:19:18 GMT
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Viewed:
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4779 times
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In lugnet.robotics.rcx.nqc, Nicolas Alvarez wrote:
> Hi
>
> I saw in the LEGO Mindstorms Web Page that many people made their robots with 2
> motors go straight using one rotation sensor on each wheel and stopping the
> correct motor until both sensors were equal.
>
> I got Ultimate Accessory Set as a present some months ago and I wanted to make
> robots go straight using only one rotation sensor. I made it using a
> differential.
>
> Here is the unfinished NQC program for it:
>
> --
> - Nicolas Alvarez
> nicoalvar0.no.spam@hotmail.com
Sounds good. I use a CyberMaster for the movement part of the robot because it
has tachos on each internal motor. I modify the power settings for the motors
to keep the robot (reasonably) straight, rather than stop and start them. If
you tried that what sort of results did you get?
For the CyberMaster I get good results for drives of about 20cm+ - shorter
drives tend not to balance out.
Of course, getting the wheels on each side to travel the same distance doesn't
mean you've gone straight :-)
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 | | Straight moving with only one rotation sensor
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| Hi I saw in the LEGO Mindstorms Web Page that many people made their robots with 2 motors go straight using one rotation sensor on each wheel and stopping the correct motor until both sensors were equal. I got Ultimate Accessory Set as a present (...) (20 years ago, 10-Jun-04, to lugnet.robotics.rcx.nqc)
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