Thread: NI Labview PID Encoder Feedback
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Unread 25-01-2014, 22:48
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Re: NI Labview PID Encoder Feedback
Quote:
Originally Posted by Iaquinto.Joe View Post
We weren't very sure on how the time constants worked, but we all knew how the traditional constants worked.
If you take a look at the implementation, it explains how the time constants relate to the traditional ones.

Here's the overall function:


The P component (Kc * error):


I [(Kc / Ti)integral(e)]:


D (Kc * Td * d(error)/dt ):




So, if you take a simple version of the formula like below...

Then:
Kp = Kc
Ki = Kc / Ti
Kd = Kc * Td

Make sense?
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Last edited by plnyyanks : 25-01-2014 at 22:51.
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