Reliability Analysis of the Rolling Stock Industry: A Case Study
Volume 5, Number 2, January 2009 - Paper 6 - pp. 167 - 175
S.M. REZVANIZANIANI1, J. BARABADY2, M. VALIBEIGLOO1, M. ASGHARI1, and U. KUMAR31RAJA Passenger Trains Company, Iran
2Tromsø University College, Norway
3Luleå University of Technology, Sweden
(Received on September 7, 2008, revision available on December 21, 2008)
Provision of reliable rolling stock and infrastructure equipment is an important part in achieving high levels of safety. Therefore, the railway industry uses different methods and tools to improve the performance of different subsystems in order to ensure safety and reliability, which are the important factors for passengers and cargo transportation. Hence, reliability analysis is required to identify the bottlenecks in the system and find the components or subsystems with low reliability for a desired level of performance. This paper focuses on collection and analysis of field failure data over a period in Raja Passenger Train Company of Iran. The results of data analysis show that wheel sets is the bottleneck, and it utilizes the historical data of wheel sets to determine the reliability function. Thereafter, the reliability of each type of wheel sets are identified over different time intervals and which can be used to determine the appropriate time of preventive maintenance tasks.
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