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Message ID: 2101
Entry time: Fri Feb 23 07:49:50 2018
In reply to: 2092
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Author: |
rana |
Type: |
DailyProgress |
Category: |
TempCtrl |
Subject: |
New PID beta python script and tuning BN frequency PID |
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Something new in PID loops ! Awesome. Let's see some before/after comparison time series and spectra.
Quote: |
The differential term is approximated by the backward difference (see ch 10, Åström and Murray). For the case where the derivative is filtered with the characteristic time Tf the D term is given by

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