Value of information analysis with structural reliability methods

被引：126
|
作者：
Straub, Daniel [1 ]
机构：
[1] Tech Univ Munich, Engn Risk Anal Grp, D-80290 Munich, Germany
来源：
STRUCTURAL SAFETY | 2014年 / 49卷
关键词：
Inspection; Structural health monitoring; Reliability; Bayesian analysis; Updating; Decision analysis; Value of information; RISK-BASED INSPECTION;
D O I：
10.1016/j.strusafe.2013.08.006
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
When designing monitoring systems and planning inspections, engineers must assess the benefits of the additional information that can be obtained and weigh them against the cost of these measures. The value of information (VoI) concept of the Bayesian statistical decision analysis provides a formal framework to quantify these benefits. This paper presents the determination of the VoI when information is collected to increase the reliability of engineering systems. It is demonstrated how structural reliability methods can be used to effectively model the VoI and an efficient algorithm for its computation is proposed. The theory and the algorithm are demonstrated by an illustrative application to monitoring of a structural system subjected to fatigue deterioration. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：75 / 85
页数：11
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