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000129450 001__ 129450 000129450 005__ 20231219145827.0 000129450 0247_ $$2doi$$a10.1016/j.ress.2018.07.032 000129450 0248_ $$2sideral$$a107672 000129450 037__ $$aART-2018-107672 000129450 041__ $$aeng 000129450 100__ $$0(orcid)0000-0002-6651-3306$$aBadía, F.G.$$uUniversidad de Zaragoza 000129450 245__ $$aOptimal replacement policy under a general failure and repair model: Minimal versus worse than old repair 000129450 260__ $$c2018 000129450 5060_ $$aAccess copy available to the general public$$fUnrestricted 000129450 5203_ $$aWe analyze the optimal replacement policy for a system subject to a general failure and repair model. Failures can be of one of two types: catastrophic or minor. The former leads to the replacement of the system, whereas minor failures are followed by repairs. The novelty of the proposed model is that, after repair, the system recovers the operational state but its condition is worse than that just prior to failure (worse than old). Undertrained operators or low quality spare parts explain this deficient maintenance. The corresponding failure process is based on the Generalized Pólya Process which presents both the minimal repair and the perfect repair as special cases. The system is replaced by a new one after the first catastrophic failure, and also undergoes two sorts of preventive maintenance based on age and after a predetermined number of minor failures whichever comes first. We derive the long-run average cost rate and study the optimal replacement policy. Some numerical examples illustrate the comparison between the as bad-as-old and the worse than old conditions. 000129450 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/ 000129450 590__ $$a4.039$$b2018 000129450 591__ $$aOPERATIONS RESEARCH & MANAGEMENT SCIENCE$$b11 / 84 = 0.131$$c2018$$dQ1$$eT1 000129450 591__ $$aENGINEERING, INDUSTRIAL$$b5 / 46 = 0.109$$c2018$$dQ1$$eT1 000129450 592__ $$a1.944$$b2018 000129450 593__ $$aApplied Mathematics$$c2018$$dQ1 000129450 593__ $$aSafety, Risk, Reliability and Quality$$c2018$$dQ1 000129450 593__ $$aIndustrial and Manufacturing Engineering$$c2018$$dQ1 000129450 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion 000129450 700__ $$0(orcid)0000-0002-8035-5762$$aBerrade, M.D.$$uUniversidad de Zaragoza 000129450 700__ $$aCha, J.H. 000129450 700__ $$aLee, H. 000129450 7102_ $$12007$$2265$$aUniversidad de Zaragoza$$bDpto. Métodos Estadísticos$$cÁrea Estadís. Investig. Opera. 000129450 773__ $$g180 (2018), 362-372$$pReliab. eng. syst. saf.$$tReliability Engineering and System Safety$$x0951-8320 000129450 8564_ $$s652043$$uhttps://zaguan.unizar.es/record/129450/files/texto_completo.pdf$$yPostprint 000129450 8564_ $$s1022254$$uhttps://zaguan.unizar.es/record/129450/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint 000129450 909CO $$ooai:zaguan.unizar.es:129450$$particulos$$pdriver 000129450 951__ $$a2023-12-19-13:59:38 000129450 980__ $$aARTICLE
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