개통이후 KTX차량 장애통계 분석을 통한 유지보수 특성연구

This study was carried out in order to support decision making of investment to perform analysis of failure frequency of KTX in the past 10 years, and to understand the maintenance characteristics of the high-speed rolling stock, to set the severity level and frequency of failure, safe investment scale of maintenance period, maintenance parts, personnel and equipment, etc. In this case study, through a proper investment maintenance analysis, and ensure the safety of the managed time-specific, and the maintenance of operational processes with the introduction of railway vehicle for the cost structure of the system that was experienced in the introduction stage and the operational phase of the KTX vehicle to analyze the effectiveness. In addition, such as the development rail industry standard (IRIS) and the provision of safe investment indicators that can be used to predict the outlook of investment to changes in rail industry through sensitivity analysis to confirm the relationship between purchase cost and the maintenance cost, to manage to seek ways to respond to changes in the operating environment.