Variable time delay-based granger causality approach integrated with dynamic coupling analysis for root cause diagnosis in chemical processes

HIGHLIGHTS

• What: In this Article a new causal analysis framework that integrates with dynamic coupling analysis on is proposed which not only fully considers the in dynamic processes but also studies the dynamic change coupling intensity. In this paper, a coupling variable time delay multivariable Granger causality (CVTD-MVGC) mothed for RCD and FPPI is proposed. The analysis results of weak to medium coupling variables are used to correct the analysis results of full variables to determine causal direction. The main contributions of this paper can be summarized as follows: A new strategy for variable time delay estimation . . .
  

   

  

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