Subject:
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Racing Line Follower
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 2 Apr 2001 13:45:35 GMT
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Original-From:
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Magnus Fasting <pleboy@online.no!spamless!>
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Viewed:
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709 times
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Hello
I've built a line follower which is quite fast (approx 4 secs per lap on
the testpad). It consists of two motors, each powering a 2/3 geared large
wheel. Two light sensors are attached to the front pivot wheel. The
distance between the sensors are 5 "lego units".
My problem is the program. I think it's too "uncomplicated". I guess i
could do more out of it, but i'm not a very good programmer.
Any suggestions to improvements in the program is appreciated.
The program:
#define white 41
task main() {
SetPower(OUT_A + OUT_C,8);
SetSensor(SENSOR_1,SENSOR_LIGHT);
SetSensor(SENSOR_3,SENSOR_LIGHT);
while(true) {
while(SENSOR_1>white && SENSOR_3>white) {
OnFwd(OUT_A + OUT_C);
}
while(SENSOR_1<white) {
Off(OUT_A);
Wait(2);
OnFwd(OUT_A + OUT_C);
}
while(SENSOR_3<white) {
Off(OUT_A);
Wait(2);
OnFwd(OUT_A + OUT_C);
}
}
}
--
Magnus Fasting
E-mail: pleboy@online.no
Icq: 28291552
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Message has 3 Replies:
 | | Re: Racing Line Follower
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| I think I would take your stop watch back to the jeweler. -- Bob Fay rfay@we.mediaone.net (URL) Fasting" <lego-robotics@crynwr.com> wrote in message news:3.0.6.32.200104...line.no... (...) (24 years ago, 2-Apr-01, to lugnet.robotics)
| | | Re: Racing Line Follower
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| In Creative Projects I make recommendations on line followers. One of them is to add a touch sensor that you can use as a trigger to grab the light levels of the line and the surface and store them in memory. Then you can use the average of those (...) (24 years ago, 2-Apr-01, to lugnet.robotics)
| | | Re: Racing Line Follower
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| (...) I've built a few line followers to see how fast I can do the test track - but I've concluded that you have a quality/speed tradeoff. I've built robots that *approximately* follow the track at these kinds of speeds - but without some kind of (...) (24 years ago, 2-Apr-01, to lugnet.robotics)
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