AN OPTIMAL BLOCK PREVENTIVE MAINTENANCE POLICY FOR A MULTI-UNIT SYSTEM CONSIDERING IMPERFECT MAINTENANCE

J. H. Park, S. C. Lee (), J. W. Hong and C. H. Lie
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J. H. Park: Department of Industrial Engineering, Seoul National University, 56-1 Shilim-Dong, Kwanak-Gu, Seoul 151-744, Korea
S. C. Lee: Division of Industrial Systems Engineering, ERI, Gyeongsang National University, 900 Gazwa-Dong, Jinju 660-701, Korea
J. W. Hong: Department of Industrial Systems Engineering, Hansung University, 389 Samseon-Dong, Seongbuk-Gu, Seoul, Korea
C. H. Lie: Department of Industrial Engineering, Seoul National University, 56-1 Shilim-Dong, Kwanak-Gu, Seoul 151-744, Korea

Asia-Pacific Journal of Operational Research (APJOR), 2009, vol. 26, issue 06, 831-847

Abstract: A block preventive maintenance (PM) policy for a multi-unit system composed of identical units is investigated in this paper. The block PM model of this paper considers periodic inspection and periodic imperfect maintenance. The imperfect maintenance effects are formulated using improvement factor and age reduction model. We define variables of maintenance policy as the inspection period and the PM period and obtain an optimal maintenance policy which minimizes the average total cost. A numerical example is presented, and some sensitivity analyses for model parameters are also investigated.

Keywords: Block preventive maintenance; maintenance policy; imperfect maintenance; improvement factor; age reduction (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (3)

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DOI: 10.1142/S021759590900250X

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