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2015 | Buch

Age Replacement Overtime Kapitel lesen Erstes Kapitel lesen

Maintenance Overtime Policies in Reliability Theory

Models with Random Working Cycles

verfasst von: Toshio Nakagawa, Xufeng Zhao

Verlag: Springer International Publishing

Buchreihe : Lecture Notes in Production Engineering

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik" , Springer Professional "Wirtschaft"

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Über dieses Buch

This book introduces a new notion of replacement in maintenance and reliability theory. Replacement Overtime, where replacement is done at the first completion of a working cycle over a planned time, is a new research topic in maintenance theory and also serves to provide a fresh optimization technique in reliability engineering. In comparing replacement overtime with standard and random replacement techniques theoretically and numerically, 'Maintenance Overtime Policies in Reliability Theory' highlights the key improvements to be gained by adopting this new approach and shows how they can be applied to inspection policies, parallel systems and cumulative damage models. Utilizing the latest research in replacement overtime by internationally recognized experts, the reader will be introduced to new topics and methods, and learn how to apply this knowledge practically to actual reliability models. This book will serve as an essential guide to a new subject of study for graduate students and researchers and also provides a useful guide for reliability engineers and managers who have difficulties in maintenance of computer and production systems with random working cycles.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Age Replacement Overtime
Abstract
We consider a unit operating for a job with random working cycles, in which case, it would be impossible or impractical to replace the unit in a strict or deterministic fashion [1, p. 72], [2, p. 245]. From such a viewpoint, we have already proposed replacement overtime in which the unit is replaced at the first completion of working cycles over a planned time T [3, p. 34, 8].
Toshio Nakagawa, Xufeng Zhao
Chapter 2. Periodic Replacement Overtime
Abstract
In this chapter, we suppose that the system is large and complex which consists of many kinds of units, and it operates for a job with random working cycles introduced in Chap. 1.
Toshio Nakagawa, Xufeng Zhao
Chapter 3. Inspection Overtime
Abstract
Most systems such as standby electric generators and defense systems, and some units in complex and large-scale systems such as aircrafts and industry plants, have to be checked at suitable times to search their faults and to detect their failures.
Toshio Nakagawa, Xufeng Zhao
Chapter 4. Replacement Overtime with Three Variables
Abstract
In Chaps. 1 and 2, we have considered several replacement policies in which the unit is replaced at time T or at cycle N, and at time T or at failure K. In this chapter, we propose modified replacement policies with three variables in which the unit is replaced at time T, and at cycle N, or at failure K: In Sect. 4.1, the classical approach of whichever occurs first and the newly proposed approach of whichever occurs last (Zhao X, Nakagawa T, Euro J Oper Res, 223:141–149, 2012, [1]) are employed into modeling. Furthermore, we propose a new replacement policy in which the unit is replaced at time T, at cycle N, or at failure K, whichever occurs middle (Zhao X, Qian C, Nakamura S, What is middle maintenance policy? 2014, [2]). For example, the unit is replaced at time T in case of \(\{t_N<T<t_K\}\) or \(\{t_K<T<t_N\}\), there \(t_N\) and \(t_K\) are denoted by the respective occurrence times of cycle N and failure K.
Toshio Nakagawa, Xufeng Zhao
Backmatter
Metadaten
Titel
Maintenance Overtime Policies in Reliability Theory
verfasst von
Toshio Nakagawa
Xufeng Zhao
Copyright-Jahr
2015
Electronic ISBN
978-3-319-20813-8
Print ISBN
978-3-319-20812-1
DOI
https://doi.org/10.1007/978-3-319-20813-8

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