Subject:
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Re: Balancing Bots
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 6 Jan 2000 12:45:20 GMT
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Original-From:
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Andy Gombos <gombos@ne.infi.NOSPAMnet>
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Viewed:
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760 times
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Not if you scale it up(alot).The higher the gear ratio, the higher the virtual
accuracy.
I hope I said that right, it sorta doesn't sound right.. If this is wrong the
plaese correct me.
Andy
> How did you construct the angle sensor? It must be pretty accurate - a
> standard LEGO rotation sensor is out of the question - the scale is to
> coarse.
>
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Message has 1 Reply:
 | | Re: Balancing Bots
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| (...) Of course you are right, but there are some problems: It depends on the quality of the gearing. The problem here is backlash - it doesn't help much to have 1/10 deg. resolution if you have 5 deg. backlash in the gearing. Another problem is (...) (25 years ago, 6-Jan-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: Balancing Bots
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| (...) It's an inverted pendulum - right? (...) I made such a project at university, but it didn't involve LEGO. I was working with a group and we tried different approaches. Our best solution was a Fuzzy-PD controller. The differential angle part is (...) (25 years ago, 4-Jan-00, to lugnet.robotics)
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