Subject:
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Re: That doesn't totally seem right.
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 1 Dec 2004 18:33:08 GMT
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Viewed:
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1418 times
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In lugnet.robotics, Steve Hassenplug wrote:
> If you're storing this all in the datalog, you should be able to go much farther
> than 27 times through the loop. Try storing a couple hundred values (how big is
> the datalog?)
The datalog was 27 but is now 100 (I was pushed for time earlier).
> Then, you should see the time-between-changes get bigger.
That's exactly what happens now.
> Also, it seems odd that almost every other value is zero. I'm sure that has
> something to do with the timing of everything. I suspect the sensor value is not
> updated every time it goes throught the loop.
I can now see that the zero's fade over time.
Here's the latest results.
Variable 4: 1
Variable 4: 5
Variable 4: 0
Variable 4: 4
Variable 4: 1
Variable 4: 6
Variable 4: 1
Variable 4: 4
Variable 4: 0
Variable 4: 7
Variable 4: 1
Variable 4: 5
Variable 4: 0
Variable 4: 7
Variable 4: 2
Variable 4: 5
Variable 4: 2
Variable 4: 7
Variable 4: 0
Variable 4: 6
Variable 4: 0
Variable 4: 9
Variable 4: 2
Variable 4: 7
Variable 4: 0
Variable 4: 9
Variable 4: 3
Variable 4: 6
Variable 4: 1
Variable 4: 10
Variable 4: 2
Variable 4: 9
Variable 4: 2
Variable 4: 14
Variable 4: 2
Variable 4: 8
Variable 4: 7
Variable 4: 15
Variable 4: 9
Variable 4: 10
Variable 4: 11
Variable 4: 23
Variable 4: 18
Variable 4: 36
I think what the results say are, that little speed is burnt off initially but
then the drop is quite sharp. The mass involved is rather large by lego
standards.
I'm will try next to average the results as they come in to produce a smooth
curve.
Steve
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Message is in Reply To:
 | | Re: That doesn't totally seem right.
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| (...) If you're storing this all in the datalog, you should be able to go much farther than 27 times through the loop. Try storing a couple hundred values (how big is the datalog?) Then, you should see the time-between-changes get bigger. Also, it (...) (20 years ago, 1-Dec-04, to lugnet.robotics)
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