ECONOMIC ANALYSIS OF THE LIFE-CYCLE COST STRUCTURE FOR RAILWAY TRAFFIC CONTROL SYSTEMS
Journal Title: Ekonomicko-manazerske spektrum - Year 2018, Vol 12, Issue 1
Abstract
In the case of complex technical systems that should deliver long life, high availability, safety and reliability, such as railway traffic control systems, the ownership costs many times exceed the costs of its acquisition. Therefore, infrastructure operators in order to make optimal economic decisions, regarding the systems purchase or and modernization, expect that system delivers will give complex information not only about the initial costs of purchasing the system, but also about the costs of its operation and liquidation. It allows to include in budget plans, growing requirements for the reliability availability of infrastructure as well as crucial issue - the traffic safety. Considering the widespread use of railway traffic control systems, which are part of the railway infrastructure, even small savings obtained for individual systems can be resulted into significant financial benefits for infrastructure owners and operators. One of the methods which helps to consider all of the above-mentioned types of costs is the Life Cycle Cost (LCC) analysis. In the case of railway traffic control systems it is a mandatory part of RAMS (Reliability, Availability, Maintainability, Safety) / LCC analysis. Its requirements are defined in the European Union directives, and the methodology is included in the CENELEC standards. The methodology of the LCC analysis, including economic aspects as well as safety and reliability requirements specific to railway traffic control systems was presented by the authors. LCC structure for three various examples of railway traffic control systems were considered. This economic analysis includes level crossing protection system, axle counting system and automatic block signalling. Based on these examples the differences in the LCC structure for individual systems were presented.
Authors and Affiliations
Tomasz Ciszewski, Waldemar Nowakowski
Keywords
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- EP ID EP592424
- DOI 10.26552/ems.2018.1.30-43
- Views 77
- Downloads 0
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