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.
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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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Guo, X., Pan, L., Jia, L., Zhang, Y., Xing, Z. (2014). Risk-Based Maintenance Optimization of Metro Vehicle Door System. In: Jia, L., Liu, Z., Qin, Y., Zhao, M., Diao, L. (eds) Proceedings of the 2013 International Conference on Electrical and Information Technologies for Rail Transportation (EITRT2013)-Volume II. Lecture Notes in Electrical Engineering, vol 288. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-53751-6_31
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DOI: https://doi.org/10.1007/978-3-642-53751-6_31
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