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Convergent cross mapping (CCM) based approach for isolating the source of plant-wide disturbances

Aftab, Muhammad Faisal; Hovd, Morten; Sivalingam, Selvanathan
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CCM_Approach_Isolating_Source_Plant-wide+Disturbances_final.pdf (363.1Kb)
URI
http://hdl.handle.net/11250/2479522
Date
2017
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  • Institutt for teknisk kybernetikk [2252]
  • Publikasjoner fra CRIStin - NTNU [21058]
Original version
10.1109/CCTA.2017.8062669
Abstract
Disturbances originating in one control loop of a large industrial plant can propagate far from the source, giving rise to plant-wide oscillations. The underlying interactions among the different control loops make it hard to identify the origin of such large scale disturbances. This paper studies the application of the convergent cross mapping (CCM) based technique to isolate the source of a plant-wide disturbance. The proposed scheme exploits the cause and effect relationships among the affected variables to find the source of disturbance. The states of the causative factors are estimated from the effect variable and the directionality of information flow is established using the correlation between the original and estimated signal. The method is applied to the industrial case study and is shown to be effective in isolating the disturbance origin.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)

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