Abstract
The ultimate goal of developing the future of Reliability Centered Maintenance is to introduce the RCM3 methodology, applied in this article to the cooling system of high-performance military armored vehicles fleet, used in current operation theaters. This methodology is not only more advanced and aligned with the international standards for physical asset management and risk management, but also allows users to fully understand and quantify the associated risks, focused on the reliability of the systems. The case study aims to obtain a proposed maintenance plan to the vehicle’s cooling system. Methods such as the distribution of Weibull applied to reliability and Right Censored Data, were used for the calculation of MTBF (Mean Time Between Failures). The results of the study confirm the possibility of using the proposed methodology to evaluate the operational reliability of the high-performance military armored vehicles fleet in any armed forces. The maintenance plan obtained with RCM3 proves to be more suitable and capable of reducing the risk associated with the system failure modes.
Highlights
The process of commercial vehicle exploitation can be analysed both in road transport companies, which operate in market conditions, as well as in rescue services and other services responsible for national security, such as the fire brigade, police, ambulance service, and army (Borucka, Niewczas, and Hasilova 2019)
The obtained maintenance plan only varies in four new actions, and the alteration of the execution periodicity of two already existing tasks, which does not constitute a significant change concerning the procedures already carried out and rooted in the structure and maintenance routines of this equipment
This study has identified several improvement possibilities concerning the military vehicle cooling system, both in terms of the procedure related to the recording and processing of information related to failures, and in terms of the maintenance tasks carried out, which have resulted in a set of proposals that are believed to bring improvements to the execution and management of the maintenance of the armored military vehicle and which can be extended to other armored military vehicles
Summary
The process of commercial vehicle exploitation can be analysed both in road transport companies, which operate in market conditions, as well as in rescue services and other services responsible for national security, such as the fire brigade, police, ambulance service, and army (Borucka, Niewczas, and Hasilova 2019). The lower the failure frequency, the lower the costs of maintaining the fleet and the risk of failure to complete the task (Selech and Andrzejczak 2020). There are currently several maintenance definitions in the literature, two of which are presented below. The European standard EN 13306:2017 defines maintenance as "the combination of all technical, administrative and management actions performed during the life cycle of an item to maintain or restore it to a state where it can perform the intended function" (BSI 2017). The definition proposed by John Moubray in his book "RCM II - Reliability Centered Maintenance" (a reference work regarding the application of the RCM methodology) adopted by Marius Basson in his book "RCM3: Risk-Based Reliability Centered Maintenance” (a current review of Moubray's work) considers that maintenance corresponds "to ensure that
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