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Delay Time Models Implementation Issues

In: Technical System Maintenance

Author

Listed:
  • Sylwia Werbińska-Wojciechowska

    (Wroclaw University of Science and Technology)

Abstract

This chapter is focused on a problem of developed maintenance models implementation for real-life technical systems implementation. First, there are investigated the issues of models’ parameters estimation process and its uncertainty. The conducted analysis bases on simulation modelling use and is focused on economic and reliability consequences of improper selection/estimation of modelling parameters. Later, the research analysis focused on analytical delay-time models (given in Sect. 5.2 ) and regards to, among others, definition of simple decision rules for the best inspection period determining. In the next section the author presents a simple methodology of applying delay-time analysis to a maintenance and inspection department. The defined algorithm is aimed at estimation of optimal inspection interval basing on the DT models developed in Chap. 5 and results obtained from the modelling parameters estimation analysis. Finally, two case studies are proposed to investigate the optimal inspection interval for two-unit systems performing in series and parallel structures. The models used to analyse the given systems are based on the results of Chap. 5 and Sect. 6.2. The first example regards to engine equipment maintenance (v-ribbed belt with belt tensioner), the second example presents the maintenance of left and right steering dumpers that are used in wheel loaders. In order to obtain the optimal inspection interval the author focuses on cost optimisation. The third example regards to the problem of maintenance policy selection based on the available operational and maintenance data from a company.

Suggested Citation

  • Sylwia Werbińska-Wojciechowska, 2019. "Delay Time Models Implementation Issues," Springer Series in Reliability Engineering, in: Technical System Maintenance, chapter 0, pages 263-305, Springer.
  • Handle: RePEc:spr:ssrchp:978-3-030-10788-8_6
    DOI: 10.1007/978-3-030-10788-8_6
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