Ship maintenance scheduling management integrated with risk evaluation and Life Cycle Cost (LCC) assessment approach is developed in this research. It improves upon existing practices in arranging an optimal maintenance schedule by modeling operational and economical risks. This paper introduces a maintenance scheduling algorithm which explicitly considers risks associated with some operational problems such as operating schedule, routes, ship position, resources availability, and the achievement of reliability-availability-maintainability (RAM) of the system. Modeling of components RAM with their failure consequences results in risk evaluation. Time value of maintenance cost, replacement cost, earning rate, and penalty cost are also simulated. When the system reaches the lowest level of lower limit reliability, one or more components should be maintained or replaced. Since maintenance tasks may interrupt the operation, to minimize time-to-maintain all possible events of maintaining other components at the same time will be evaluated together with resources availability. By researching those possibilities, constraining the risk, and based on LCC calculation result, an optimal maintenance scheduling can be then well established.


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    Title :

    Optimizing ship machinery maintenance scheduling through risk analysis and life cycle cost analysis


    Additional title:

    Optimierung der Schiffsausrüstungs-Wartungsterminierung über Risikoanalyse und Lebenszykluskostenanalyse


    Contributors:


    Publication date :

    2006


    Size :

    8 Seiten, 9 Bilder, 9 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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