Examinando por Autor "Martinod R, R.M."
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Ítem The diference of wall elements state including the FRF function(Publisher PGUAS, 2013-01-01) Zoltowski, M.; Kalaczynski, T; Castaneda Heredia Leonel F.; Martinod R, R.M.; Universidad EAFIT. Departamento de Ingeniería Mecánica; Estudios en Mantenimiento (GEMI)The recommendation of the PN - B-03002 norm shows a need of quality control of wall elements production, and classified them as elements of category I or IIÍtem Evaluación de la condición de operación de vehículos ferroviarios usando identificación modal(Asociación Colombiana de Facultades de Ingeniería, ACOFI, 2011-01-01) Martinod R, R.M.; Betancur G, G.R.; Castaneda Heredia Leonel F.; Universidad EAFIT. Departamento de Ingeniería Mecánica; Estudios en Mantenimiento (GEMI)Ítem Evaluating damping elements for twostage suspension vehicles(UNIV NAC COLOMBIA, FAC INGENIERIA, 2012-01-01) Martinod R, R.M.; Betancur G, G.R.; Castañeda H, L.F.; Universidad EAFIT. Departamento de Ingeniería Mecánica; Estudios en Mantenimiento (GEMI)The technical state of the damping elements for a vehicle having twostage suspension was evaluated by using numerical models based on the multibody system theory; a set of virtual tests used the eigenproblem mathematical method. A test was developed based on experimental modal analysis (EMA) applied to a physical system as the basis for validating the numerical models. The study focused on evaluating vehicle dynamics to determine the influence of the dampers' technical state in each suspension state.Ítem Gestaltung von Lastoptimierten Ersatzteilen am Beispiel eines Eisenbahnwaggon-Fahrgestells(Springer-VDI-Verlag, 2010-04-01) Martinod R, R.M.; Castaneda Heredia Leonel F.; Jens Jensen; Arnold Martinez; Mauricio E. Palacio; Universidad EAFIT. Departamento de Ingeniería Mecánica; Estudios en Mantenimiento (GEMI)Am Beispiel der Gestaltung eines (Kunststoff-) Teils des Fahrgestells eines Eisenbahnwaggons wird dargestellt, wie sich Ersatzteile last- und fertigungsgerecht optimieren lassen. Basierend auf den Ergebnissen von theoretischen und praktischen UntersuchungÍtem Maintenance policy optimisation for multi-component systems considering degradation of components and imperfect maintenance actions(Elsevier Ltd, 2018-10-01) Martinod R, R.M.; Bistorin, Oliver; Castaneda Heredia Leonel F.; Rezg, Nidhal; Universidad EAFIT. Departamento de Ingeniería Mecánica; Estudios en Mantenimiento (GEMI)This article proposes a stochastic optimisation model in order to reduce the long-term total maintenance cost of complex systems. The proposed work is based on the following approaches: (i) optimisation of a cost model for complex multi-component systems consisting of preventive and corrective maintenance using reliability analysis, which faces two different maintenance policies (periodic block-type and age-based) and (ii) a clustering method for maintenance actions to decrease the total maintenance cost of the complex system. This work evaluates each maintenance policy and measures the effects on imperfect maintenance actions. Finally, the proposed optimisation model is applied to a numerical example which focuses on passenger urban aerial ropeway transport systems, in which the current maintenance policy has been evaluated, considering the established by the international regulation of passenger aerial cable cars. © 2018 Elsevier Ltd