Paper Title:
A PCA Based Fault Detection and Isolation Method for Train Locating System
  Abstract

Fault tolerance is crucial to the operating safety and performance of train locating system. Based on the requirements of reliability and safety for train locating, the fault characteristics of location measuring sensors are analyzed. Based on the structure of the train locating system, the fault-tolerant design of the system is given with the location filtering module for case, in which six fault detectors are employed to determine the configuration of the module. Then a PCA based fault detection and isolation method is proposed with Hawkins T2 statistics and the corresponding control limit. By dynamically adjusting the efficiency factors, fault could be detected and isolated as prior defined isolating strategies, and then the fault tolerant performance will be guaranteed. Simulation results demonstrate the high fault tolerant ability of the proposed approach and certain practical application value.

  Info
Periodical
Edited by
Qi Luo
Pages
688-693
DOI
10.4028/www.scientific.net/AMM.20-23.688
Citation
J. Liu, B. G. Cai, T. Tang, J. Wang, "A PCA Based Fault Detection and Isolation Method for Train Locating System", Applied Mechanics and Materials, Vols. 20-23, pp. 688-693, 2010
Online since
January 2010
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$32.00
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