Subject:
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Re: problem with control speed using NQC
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Wed, 21 Jul 1999 19:12:41 GMT
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Viewed:
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2234 times
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I think that output power effects the modulation of the motor power. The
motor power cycles on and off with the off time being longer at lower power
settings. As David stated, this results in the same speed of the motor
when it is unloaded for all power settings. The torque of the motor
changes with the power settings. I haven't found this very useful yet.
At 05:36 PM 7/21/99 +0000, you wrote:
> I've had the same result. It seems an **unloaded** motor always runs at full
> speed.
>
> To explain it to myself, I've theorized that the 'p' (power) in Fwd() and
> OutputPower() is more akin to force and does not directly control velocity.
>
> Waiting for someone with deeper knowledge to chime in,
> David
>
>
> Ben Fleskes wrote:
> >
> > Okay, need some more help.
> >
> > I have the following code running. My expectation is that the speed of the
> > motor would increase but the integer value in the 'Fwd' command doesn't • seem
> > to make any difference. The motor always runs at full speed.
> >
> > Fwd(OUT_A+OUT_C,1);
> > Sleep(50);
> > Fwd(OUT_A+OUT_C,3);
> > Sleep(50);
> > Fwd(OUT_A+OUT_C,5);
> > Sleep(50);
> > Fwd(OUT_A+OUT_C,7);
> > Sleep(50);
> >
> > What am I missing?
> >
> > Thanks for your help.
> >
> > Ben
Joel Shafer joel@connect.net
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Message is in Reply To:
 | | problem with control speed using NQC
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| Okay, need some more help. I have the following code running. My expectation is that the speed of the motor would increase but the integer value in the 'Fwd' command doesn't seem to make any difference. The motor always runs at full speed. (...) (25 years ago, 21-Jul-99, to lugnet.robotics.rcx.nqc)
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