Название: Optimal Inspection Models With Their Applications Автор: Kodo Ito, Toshio Nakagawa Издательство: Springer Серия: Springer Series in Reliability Engineering Год: 2023 Страниц: 266 Язык: английский Формат: pdf (true), epub Размер: 21.3 MB
Discusses how to optimize inspection, maintenance, and cumulative damage models.
This book surveys recent applications of inspection models, maintenance models and cumulative damage models, as well as discusses the policies involved with these models. It explains how a stochastic approach can be applied to systems using real-world examples.
The book begins by introducing and summarizing standard inspection models. It dedicates chapters to random inspection models and general inspection models, before moving on to discuss inspection policies and checkpoint models. The book discusses inspection of reliability systems, such as missile maintenance systems, as well as Markov models of inspection. The book concludes with a summary of other inspection models, problems they face, and solutions to these problems. Each chapter utilizes examples to illustrate the various models, methods, and policies.
Inspections are needed greatly for everything with high reliability. Today, hard-time maintenances rarely apply to new products to avoid high operation cost. On the other hand, condition monitoring maintenances are widely applied to most systems, and their system status can be judged from inspection results and minimum necessary maintenances can be performed. Most people knows the importance of inspections, however, we do not feel its necessary on daily life because relaibilities of products are so high. Occasional catastrophes such as tunnel collapse accident and reactor pipe deterioration rupture accident, tell us the importance of inspection for our social infrastructures. Reliabilities of various devices around us have improved, however, systems with high reliability still cannot satisfy the expectations of society. When a space rocket is launched, inspections before launching are indispensable for successful launch, but such complicated and time-consuming works should be eliminated with advances in automation technologies.
The purpose of this book is to bridge theory and practice by providing various theories and application examples of inspection. Many books have already been published concerning theories, so that, principal inspection models are outlined, and new themes such as inspection fast, last and overtime are described in this book. One special topic is the problem of failure detections: When failures occur, there exist two types of failures. One can be detected immediately and another cannot be detected unless inspection is undergone. Inspection policies for two types of failures are taken up. Another topic is the problem of hierarchical structure reliabilities, and theoretical studies on their reliabilities are important. Application examples of storage system, phased array radar, gas turbine, thermal power plant and airframe are introduced. Each system has its own unique characteristics and requires appropriate modifications for applications.
Chap. 1 is devoted to explaining the importance of reliability engineering, the gap between mathematical models and their applications, problems of inspection, and briefly reviewing the following 9 chapters. Chapter 2 summarizes the results of past inspection models. Chapter 3 is devoted to inspection first, last and overtime which are new models. Chapter 4 summarizes the extension of inspection first and last to general models. Chapter 5 is devoted to inspection models of two types of failures. Chapter 6 summarizes a hierarchical structure reliability. Chapters 7–10 are devoted to application examples of storage system, phased array radar, power generator, and airframe.
This book is of interest to engineering students, researchers, and design and production engineers working in system manufacturing.
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Optimal Inspection Models With Their Applications 
Название: Optimal Inspection Models With Their Applications