Reliability analysis of a rodding anode plant in aluminum industry with multiple units failure and single repairman

Yaqoob Al Rahbi (), S. M. Rizwan, B. M. Alkali, Andrew Cowell and G. Taneja
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Yaqoob Al Rahbi: Caledonian College of Engineering
S. M. Rizwan: Caledonian College of Engineering
B. M. Alkali: Glasgow Caledonian University
Andrew Cowell: Glasgow Caledonian University
G. Taneja: MD University

International Journal of System Assurance Engineering and Management, 2019, vol. 10, issue 1, No 8, 97-109

Abstract: Abstract The paper presents reliability analysis of a rodding anode plant in aluminum industry with multiple unit failure and single repairman. Manufacturing process of raw aluminum blocks in this plant passes through eight stations. Failure of any of the stations brings the plant to a complete halt, except the butt & thimble removal press stations because of the parallel standby arrangement, and does not affect the system operation completely unless both the units fail. Six years of real maintenance data on component failures, repairs and associated costs are used in this analysis. Measures of system effectiveness is gauged through reliability indices such as mean time to plant failure, availability of the plant, busy period of repairman and expected number of repairs. Effect of repair rate, failure rate and repair cost on system performance w.r.t. revenue is shown graphically. Theory of Semi-Markov and regenerative stochastic processes is used in the analysis.

Keywords: Reliability; Semi-Markov; Regenerative point; Failures; Repairs; Rodding anode plant (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s13198-019-00771-3

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