Subject:
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Motors
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 17 Jun 2005 14:26:08 GMT
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Viewed:
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989 times
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Hi all,
Is it a bad idea to run motors at different power levels as in OUT_LOW,
OUT_HALF, and OUT_FULL. What I mean is, will running a motor at low power wear
it out significantly faster than running it at full power?
I have built a plotter with the basic mindstorms kit and have an "art without an
artist" algorithm I am going to write in NQC when I have some time. If anyone
has code (or code design) for a plotter that they would share I'd be interested
in seeing it. I think others do something like "draw all y for x = 0, draw all y
for x = 1, draw all y for x = 2" etc. I'm planing to do x and y together but
this involves changing motor speed. I'm not sure if motor speed can be changed
fast enough but I shall try. The plotter itself is quite small - I'm not sure if
it's possible to construct a bigger one with just the basic parts. (For info, I
only use basic parts as one of the reasons I started using mindstorms was to
encourage kids to get interested in engineering/computing/science and I don't
like saying "buy this and you can build something cool, as long as you also buy
all this extra kit...")
Thomas
www.tccards.co.uk
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Message has 1 Reply:
 | | Re: Motors
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| (...) I seriously doubt it's anything to worry about. (If you're curious, the technique it uses to change power levels is pulse-width-modulation). In some ways, I'd expect the opposite - running a motor on low greatly reduces the drain at stall, (...) (19 years ago, 18-Jun-05, to lugnet.robotics)
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