Maintenance Modeling and Policies

A Parametric Predictive Maintenance Decision-Making Framework Considering Improved System Health Prognosis Precision

“…As already mentioned in Section I, within the current well-known predictive maintenance decision frameworks (see e.g., [5,8,52]), a replacement operation is always linked to an inspection and can thus be triggered only at an inspection time τ i . Most maintenance policies presented in published works share this characteristic.…”

“…In existing works, the decisions on triggering condition monitoring inspections and performing maintenance actions (replacement or repair) are usually linked through the parametric predictive maintenance decision rule. This means that a maintenance operation is always attached to a CM operation, and can be carried out at a certain CM time only [52]. Under this structural property of the maintenance decision rule, some authors have compare predictive maintenance strategies (e.g., reliability-based maintenance strategies, MRL-based maintenance strategies, etc.)…”

Acceleration strategies for the weight constrained shortest path problem with replenishment

“…Replenishment opportunities arise naturally in several contexts related to shortest paths. For instance, in airline crew pairing the rest periods replenish the workability of a crew (Azadeh et al, 2013); equivalently, in aircraft routing, preventive maintenance allows the aircraft to keep flying (Wang & Pham, 2013). In vehicle routing, fuel or energy replenishment may be necessary to reach the final destination.…”

Failure rate modelling of electric distribution overhead lines considering preventive maintenance

“…For the repairable components such as OHL, transformer and so on, failure rate means the probability that a system fails in the interval ( t, t + ɛ ], given the history of the failure process up to and including time t , which is named as intensity function [8]. The failure rate for the repairable components is usually modelled by stochastic point processes [9–11].…”