In this paper, an algorithm for computing timing relationship among each link of the process object is proposed, and the validity of the algorithm is proved through the theoretical analysis. The algorithm is designed based on statistical time distance among extremum points of sampling data set of the process industry, can calculate the delay time between any two time series, and then get timing relationship between any two links. At the same time, experiments with sampling data set of the process industry demonstrates that the algorithm can obtain the delay time interval among time series and the timing relationship between each link of process object.
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