A mixed non-homogeneous Poisson process to model the quality of maintenance
Badía, Francisco Germán (Universidad de Zaragoza) ; Berrade, María Dolores ; Lee, Hyunju ; Villegas, Iker
Resumen: We present a model for the corrective and preventive maintenance of a system. The latter is based on a bivariate policy that replaces the system either at age T or after the M failure, whichever comes first. A repair follows each of the M − 1 first failures, restoring the system operational state, but with a lower reliability than before failing. We present two scenarios with constant and time-dependent repair costs. The results reveal that systems with low initial reliability can greatly benefit from the bivariate policy. The advantage decreases for poor quality repairs. We also obtain conditions to obtain the optimum number M when T is given. This result is helpful to assess whether a system should be replaced sooner than originally planned.
Idioma: Inglés
DOI: 10.1177/1748006X251414181
Año: 2026
Publicado en: Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability (2026), [19 pp.]
ISSN: 1748-006X
Tipo y forma: Article (Published version)
Área (Departamento): Área Estadís. Investig. Opera. (Dpto. Métodos Estadísticos)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes.
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Idioma: Inglés
DOI: 10.1177/1748006X251414181
Año: 2026
Publicado en: Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability (2026), [19 pp.]
ISSN: 1748-006X
Tipo y forma: Article (Published version)
Área (Departamento): Área Estadís. Investig. Opera. (Dpto. Métodos Estadísticos)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. Exportado de SIDERAL (2026-04-10-13:47:00)
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Articles > Artículos por área > Estadística e Investigación Operativa
Record created 2026-04-10, last modified 2026-04-10