File: other—F-chemicals-Thornhill-2003.csv
Type of measurement: Level
Industry: Chemicals
Data length: 8640
Sampling rate: 20 seconds
Company: Eastman Chemical Company
Normalised: Yes
Contributor: Nina F. Thornhill, Imperial College London
Year of origin: 2003
First appearance in publication: Thornhill, N.F., Cox, J.W., and Paulonis, M., 2003, Diagnosis of plant-wide oscillation through data-driven analysis and process understanding, Control Engineering Practice, 11, 1481-1490.
Description: A second disturbance is also present in Column 3 (Tags 23-28 and Tag 30, given in this data set) in the form of non-periodic transient excursions. It enters with the direct injection of steam into the column (flow measurement recorded here), and propagates from the bottom to the top of the column.