Subject:
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Re: Help with my robot
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 12 Dec 2000 19:46:47 GMT
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Viewed:
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579 times
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> . No two LEGO motors will rotate at the
> same speed, so you will always encounter drift when driving a robot.
Especially when they have to turn in opposite directions, as in the case
of a standard differential drive robot (with one motor driving the left
and the other the right side of the robot)! This is because a motor is
always more efficient turning one way than the other, so even if you have
identical LEGO motors, if you make one turn the opposite direction, it
will be moving slower than its matched twin turning in its "native"
direction.
-Peter
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Message is in Reply To:
 | | Re: Help with my robot
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| (...) You will probably need a rotation sensor to ensure that the robot is travelling in a straight line. No two LEGO motors will rotate at the same speed, so you will always encounter drift when driving a robot. I can think of three solutions: 1. (...) (24 years ago, 12-Dec-00, to lugnet.robotics)
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