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In lugnet.org.ca.rtltoronto, Wayne Young wrote:
<snip>
>
> Are you thinking the robot could adjust its direction on the fly? In my limited
> experience, precision matters when the robot is close to the TO, especially if
> it can cover a lot of ground in the time it takes for the sensors to come back
> with a reading (or to average a series of readings in my case).
>
> Since I'm taking the time to delurk, I'd like to give a shout out to David K. I
> abandoned my previous 'bot platform (AB with castors), in favour of Dave's AB
> skid steer with 4 driven wheels and 4 motors after reading his posts. The
> castors were throwing off my aim and it was making me wonder if my software was
> faulty. There's only one light sensor and the algorithm was stop, scan, drive.
> If the 'bot doesn't drive towards the light with the new platform, I know it's
> the software, instead of trying to factor out the castors.
Yeah, castors are harsh. I tried a nice little 2 wheeled beast with castors,
thinking that I'd save room in the 'bot, but the castors threw the 'bot off so
much, especially right after a turn.
Thanks for the shout-out, Wayne!
Dave K
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Message has 1 Reply:
 | | Re: Gear lash....
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| (...) Hear hear on that. Castors are evil. If you rotate and get lined up then drive forward, the castors will twist just enough to pull you off line. ...that could be contributing to the drunken lurching effect... I might have to try 4 wheel skid (...) (19 years ago, 2-Mar-06, to lugnet.org.ca.rtltoronto)
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Message is in Reply To:
| | Re: Gear lash....
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| (...) Are you thinking the robot could adjust its direction on the fly? In my limited experience, precision matters when the robot is close to the TO, especially if it can cover a lot of ground in the time it takes for the sensors to come back with (...) (19 years ago, 2-Mar-06, to lugnet.org.ca.rtltoronto)
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