Implementing a bivariate preventive maintenance strategy for stochastically deteriorating systems with two types of shocks

Jun Chang, Wenjie Dong and Zhigeng Fang

European Journal of Industrial Engineering, 2023, vol. 17, issue 2, 169-191

Abstract: This paper mainly investigates a preventive replacement policy for a system subject to both a deteriorating process and a shock process. Firstly, the stochastic deterioration is modelled with a general degradation path model, and the arrival numbers of external shocks are described with a non-homogeneous Poisson process (NHPP). The two processes are mutually dependent and the shock process itself has two distinct effectiveness including a minor one and a major one. Afterwards, system reliability function is constructed analytically. Finally, a bivariate preventive maintenance policy is put forward. The average maintenance cost rate is formulated and optimised for two special cases, respectively. To demonstrate the effectiveness of the proposed model, a sliding spool in a realistic hydraulic control system is studied. [Submitted: 14 October 2021; Accepted: 2 January 2022]

Keywords: degradation modelling; random shocks; mutual dependence; two types of shocks; preventive maintenance. (search for similar items in EconPapers)
Date: 2023
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