Replacement timing for a one-shot system with minimal repair

Abstract

A system that is available only once is called a one-shot system. To ensure its high availability, an inspection is performed regularly because its failure is detected only through it. In this paper, we discuss management policies in replacement timings of a single-unit one-shot system whose failures are removed by minimal repairs. We compare the two replacement policies that manages the number of failures and the number of periodic inspections. Our objective is to compare the two management policies of replacement timings by formulating the incurred cost rate, which is cost per unit time, and the availability.

An integrated approach to estimate storage reliability with masked data from series system

“…Obviously, operation reliability degrades with the storage time of product, and may become very low after the products are stored for a certain time period. To ensure that the products can complete the specified mission when required, condition monitoring, replacement or maintenance has to be carried out periodically [3,10,17,27,10,17,9,22,12], meanwhile, some field-observed data is recorded. In order to combine all available data to obtain a more accurate estimate, Zhang et al [34] proposed an integrated approach to estimate the storage reliability based on the combinational estimation of the failure numbers and field-testing data.…”