October 2018
Intermediate
800 pages
28h 49m
English
Content preview from Prognostics and Health Management of Electronics
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1 Introduction to PHM
Michael G. Pecht and Myeongsu Kang
University of Maryland, Center for Advanced Life Cycle Engineering, College Park, MD, USA
As a result of intense global competition, companies are considering novel approaches to enhance the operational efficiency of their products. For some products, high in‐service reliability can be a means to ensure customer satisfaction. For other products, increased warranties, or at least reduced warranty costs, and a reduction in liability due to product failures, are incentives for manufacturers to improve field reliability and operational availability. 1
Electronics are integral to the functionality of most systems today, and their reliability is often critical for system reliability [1]. Interest has been growing in monitoring the ongoing health of electronics products, whether they be components, systems, or systems‐of‐systems, to provide advance warning of failure and assist in administration and logistics. Here, health is defined as the extent of degradation or deviation from an expected normal condition. Prognostics is the prediction of the future state of health based on current and historical health conditions [2]. This chapter provides a basic understanding of prognostics and health monitoring of products and the techniques being developed to enable prognostics for electronic products.
1.1 Reliability and Prognostics
Reliability is the ability of a product to perform as intended (i.e. without failure and ...
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