Prognostics has become the preferred approach to achieve efficient systemlevel maintenance and reduce the life cycle cost of systems. Prognostics health management of electronic systems under mechanical shock and vibration using kalmanfilter models and metrics p. The method was tested and proven effective by a case study in a nuclear reactor providing thermal power. Phm consists of system health monitoring, feature extraction, fault diagnosis, and fault prognosis through remaining useful life estimation. Zio and di maio proposed an approach based on fuzzy similarity analysis for estimating the rul of a system.
Including practical examples to display the method s effectiveness in realworld applications as well as the latest trends and research, this reference source aims to introduce fundamental theory and practice for system diagnosis and prognosis. It is usually applied to prognosis by combining other techniques such as expert systems and ann. Prognostics and health management of engineering systems. Pdf diagnostics and prognostics of engineering systems. Prognostics and health management of industrial equipment.
Standards for prognostics and health management phm. Diagnostics and prognostics of engineering systems. Prognostics and health management phm is a field of research and application which aims at making use of past, present and future information on the environmental, operational and usage conditions of an equipment in order to detect its degradation, diagnose its faults, predict and proactively manage its failures. Hershey, pa, engineering science reference, 20 keywords. Phm helps in preventing catastrophic failures and reduces unscheduled maintenance expenses. Phm is an approach to enable realtime health assessment of an asset as well as prediction of its future state including decisions and actions to maintain system health 5, 3, 6. Prognostics and health management phm has emerged as an intelligent solution to improve the availability of manufacturing systems. The framework of prognostics and health management phm offers methodologies to tackle this challenge. Methods and techniques provides widespread coverage and discussions on the methods and techniques of diagnosis and prognosis systems. One of els manufacturing projects is prognostics and health management for smart manufacturing systems phm4sms, which was initiated in 20 national institute of standards and technology, 2014.
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