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Risk-Based Maintenance Optimization of Metro Vehicle Door System

  • Xiang Guo
  • Lisha Pan
  • Limin Jia
  • Yuan Zhang
  • Zongyi Xing
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 288)

Abstract

Traditional maintenance of door system has not taken the risk of operating failure into consideration. So a risk-based maintenance strategy is developed and applied to maintenance decision of door system. First, the EDCU unit is identified as the key subsystem of door based on the FMEA method. Then, risk assessment of the EDCU is carried out in accordance with cost. Finally, the rule of age reduction and increasing failure rate is applied to establish the model of the maintenance cycle optimization. The experiment result shows that optimal maintenance cycle of the door system is 57 days, which is verified by expert engineers.

Keywords

Maintenance cycle optimization Door system Risk-based maintenance Age reduction factor 

Notes

Acknowledgments

This research is supported by National High-tech R&D program of China (863 Program, No.2011AA110501) and National Technology R&D Program of China (No. 2011BAG01B05). The supports are gratefully acknowledged.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Xiang Guo
    • 1
  • Lisha Pan
    • 2
  • Limin Jia
    • 3
  • Yuan Zhang
    • 3
  • Zongyi Xing
    • 1
  1. 1.School of Mechanical EngineeringNanjing University of Science and TechnologyNanjingChina
  2. 2.Engineering Technology Research CenterGuangzhou Metro CorporationGuangzhouChina
  3. 3.State Key Laboratory of Rail Traffic Control and SafetyBeijing Jiaotong UniversityBeijingChina

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