A Modified Discrete Binary Ant Colony Optimization and Its Application in Chemical Process Fault Diagnosis

  • Ling Wang
  • Jinshou Yu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4247)


Considering fault diagnosis is a small sample problem in real chemical process industry, Support Vector Machines (SVM) is adopted as classifier to discriminate chemical process steady faults. To improve fault diagnosis performance, it is essential to reduce the dimensionality of collected data. This paper presents a modified discrete binary ant colony optimization (MDBACO) to optimize discrete combinational problems, and then further combines it with SVM to accomplishing fault feature selection. The tests of optimizing benchmark functions show the developed MDBACO is valid and effective. The fault diagnosis results and comparisons of simulations based on Tennessee Eastman Process (TEP) prove the feature selection method based on MDBACO and SVM can find the essential fault variables quickly and exactly, and greatly increases the fault diagnosis correct rates as irrelevant variables are eliminated properly.


Support Vector Machine Feature Selection Fault Diagnosis Feature Selection Method Benchmark Function 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Ling Wang
    • 1
  • Jinshou Yu
    • 1
  1. 1.Research Institution of AutomationEast China University of Science & TechnologyShanghaiChina

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