مشخصات پژوهش

In this paper, an integrated casual loop and CUSUM control chartfor evaluating reliability in a maintenance system were proposed. This research aimed to develop a novel approach for reliability assessment in a maintenance system. Due to the dynamic nature of this system, the concept of system dynamics was employed to determine and analyze its most critical elements, structural characteristics, relationships and feedbacks with respect to reliability. Therefore, series of casual loop diagrams to help better understanding of casual influences of maintenance system were developed. The casual loop diagrams plotted provided a tool for management to hypothesize the dynamic influencing effectiveness of maintenance management, particularly the impact on reliability indices. Then, CUSUM chart were analyzed as a visual objective to determine performance accuracy was considered. Moreover, the ability of the CUSUM schemes in detecting important types of changes in the optimal reliability indices were analyzed.