Safety critical components (SCC) in the maintenance management system for railway vehicle

Abstract

Maintenance management systems have been operating in the European railway market for many years. However, implementation of the new legal regulations means that the impact of the structured system approach is constantly developing. This new approach focuses on management of the safety critical components (SCC), where the main involved parties are rolling stock manufacturers and the certified entities in charge of maintenance (ECM). The aim of this article is to present how changes to legislation affect development of the maintenance systems, both in the context of their requirements and criteria used, as well as in relation to a requirement of rolling the certification process out to all ECMs, irrespectively of the types of vehicles are used by them. Furthermore, the article focuses on critical safety components and respectively challenges faced by entities on the railway market.Therefore, the process of identifying SCC is described and analysed by providing examples of components that most frequently appear on the list of safety critical components which were developed in the Polish railway market.

Revealing patterns in the stressed-strained state of load-bearing structures in special rolling stock to further improve them

“…The advantage of our research in comparison with those highlighted in works [6,7,9,10] is that we proposed to Fig. 16.…”

“…The analysis of the maintenance management system on European railroads is carried out in work [9]. The proposed method of determining the critical elements of the rolling stock design is determined by the manufacturer of the rolling stock and the certified organizations responsible for maintenance.…”

“…The aabove review of literary sources [3][4][5][6][7][8][9][10][11][12] allows us to state that the issue of researching the stressed-strained state of load-bearing structures of special rolling stock remains unresolved. Determining the features of such a state could contribute to the improvement of the supporting structures of the special rolling stock, which would make it possible to improve the strength characteristics and contribute to the extension of the service life of the special rolling stock after the end of the period defined by the manufacturing plant.…”