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Maintenance Processes Modelling and Optimisation
Resilience Engineering Research Group, University of Nottingham.
Resilience Engineering Research Group, University of Nottingham.
Resilience Engineering Research Group, University of Nottingham.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Number of Authors: 4
2017 (English)In: Reliability Engineering & System Safety, ISSN 0951-8320, E-ISSN 1879-0836Article in journal (Refereed) Epub ahead of print
Abstract [en]

A Maintenance Procedure is conducted in order to prevent the failure of a system or to restore the functionality of a failed system. Such a procedure consists of a series of tasks, each of which has a distribution of times to complete and a probability of being performed incorrectly. The inclusion of tests can be used to identify any maintenance errors which have occurred. When an error is identified it can be addressed through a corresponding correction sequence which will have associated costs and add to the maintenance process completion time. A modified FMEA approach has been used to identify the possible tests. By incorporating any selection of tests into the maintenance process it can then analysed using a discrete-event simulation to predict the expected completion time distribution. The choice of tests to perform and when to do them is then made to successfully complete the maintenance objective in the shortest possible time using a genetic algorithm. The methodology is demonstrated by applying it to the repair process for a car braking system. The developed method is suitable for application in abroad range of industries.

Place, publisher, year, edition, pages
2017.
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-62209DOI: 10.1016/j.ress.2017.02.011OAI: oai:DiVA.org:ltu-62209DiVA: diva2:1077637
Available from: 2017-02-28 Created: 2017-02-28 Last updated: 2017-02-28

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