Remaining useful life, technical health, and life extension

被引：25

作者：

Vaidya, P. ^{[1
]}

Rausand, M. ^{[1
]}

机构：

[1] NTNU, Trondheim, Norway

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART O-JOURNAL OF RISK AND RELIABILITY | 2011年 / 225卷 / O2期

关键词：

technical health; prognostics; remaining useful life; life extension; FATIGUE-CRACK-GROWTH; PROCESS MODEL; MAINTENANCE; INSPECTION; DIAGNOSIS; FAILURE; DETERIORATION; PROGNOSTICS; DEGRADATION; REGRESSION;

D O I：

10.1177/1748007810394557

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Life extension has for a long time been an important and highly discussed issue in nuclear and aviation industries, and has recently attracted considerable attention in the subsea oil and gas industry. Decision-making related to life extension is a multidisciplinary problem, but it primarily depends on the remaining useful life. This paper clarifies the concepts of remaining useful life and technical health, and discusses various influencing factors. An overall model with the capability to handle a heterogeneous combination of requirements, such as degradation modelling, uncertain environmental and operational conditions, uncertain sensor data and expert opinion is suggested for life extension decision-making. It is concluded that a physics-based modelling approach is appropriate for equipment in the subsea oil and gas industry.

引用

页码：219 / 231

页数：13

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