Research on Automatic Identification for the Leakage Signal of Petroleum Pipeline

Abstract: The waveform of dynamic pressure wave contains the safety information of petroleum pipeline. The complete automatic identification program for the leakage signal of petroleum pipeline was proposed based on the characteristics of the dynamic pressure wave signal from the point of view of the signal processing. Wavelet and empirical mode decomposition method were adopted to deny the signals collected by dynamic pressure transmitter respectively. We tried to use the statistical characteristics of the one-dimensional digital sequence to describe the signal. Support vector machine method which is suitable to small size sample was selected to automatically identify the leaked signal of petroleum pipeline. And a relatively high signal identification rate was acquired. Copyright © 2013 IFSA