Determining the optimal periodicity for preventive replacement of mechanical spare parts

المؤلفون

  • BERREHAL R. BENISSAAD S.

DOI:

https://doi.org/10.54246/t8xc7f82

المراجع

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Nomenclature
C Cost ratio of system preventive replacement to cost of
system failure
Cc Cost of system failure
Cp Cost of system preventive replacement
F(t) Unreliability of the system over time t, F (t) = 1 – R(t)ƒ(t)
PM preventive Maintenance
CM corrective Maintenance
R(t ) Reliability of the system over time t
f (t) Failure density of the system, f (t) = - R’(t)
M(T) Renewal function of block replacement policy:
C(T) Total cost per unit time when T is the replacement Time
η Weibull distribution scale parameter
β Weibull distribution shape parameter
y(μ) Function report / ratio of cost
μ0, μ1 Root of y(μ)

منشور

23-10-2025

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