Preprocess Data
Ways to Preprocess Data
In PID Tuner, you can preprocess plant data before you use it for estimation. After you
import I/O data, on the Plant Identification tab, use the Preprocess menu to select a
preprocessing operation.
- “Remove Offset” on page 7-86 — Remove mean values, a constant value, or an initial
value from the data. - “Scale Data” on page 7-86 — Scale data by a constant value, signal maximum value,
or signal initial value. - “Extract Data” on page 7-87 — Select a subset of the data to use in the. You can
graphically select the data to extract, or enter start and end times in the text boxes. - “Filter Data” on page 7-87 — Process data using a low-pass, high-pass, or band-pass
filter. - “Resample Data” on page 7-87 –– Resample data using zero-order hold or linear
interpolation.