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Reliability modelling and analysis of a two unit continuous casting plant |
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| Authors: | AG Mathew SM Rizwan |
| Institution: | a Caledonian College of Engineering, Department of Mechanical and Industrial Engineering, P O Box 2322, C P O Seeb-111, Sultanate of Oman b Caledonian College of Engineering, Department of Mathematics and Statistics, P O Box 2322, C P O Seeb-111, Sultanate of Omans c National Institute of Technology, Department of Mechanical Engineering Durgapur, India |
| Abstract: | The aim of this paper is to present a reliability modeling and analysis of a two-unit system of a continuous casting (CC) plant. Real maintenance data of a steel production plant have been used for the purpose. Three types of failures were noted: repairable, replaceable and reconditioning/reinstallation. The two-unit system is operating in parallel, on full-reduced installed capacity. Upon the unit failure, an inspection is carried out to decide the type of maintenance task to be performed. Optimized reliability indices of the plant such as mean time to system failure, availability, expected busy periods of the repairman for various maintenance tasks, expected number of visits by the repairman, expected number of repairs, replacements and reconditioning/reinstallation are obtained. Semi-Markov processes and regenerative point techniques are used for the analysis. Profit incurred to the CC plant is also evaluated and related graphs are plotted to demonstrate the results. |
| Keywords: | Continuous casting plant (CC plant) Reliability Semi-Markov process Regenerative process Repair Failure |
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