Concurrent design of functional reliability and failure prognosis for engineered resilience

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Authors
Wang, Pingfeng
Youn, Byeng D.
Hu, Chao
Advisors
Issue Date
2014
Type
Conference paper
Keywords
Reliability , Design , Failure
Research Projects
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Citation
Wang, Pingfeng; Youn, Byeng D.; Hu, Chao. 2014. Concurrent design of functional reliability and failure prognosis for engineered resilience. ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Volume 3A: 39th Design Automation Conference Portland, Oregon, USA, August 4–7, 2013
Abstract

This paper presents a new system design platform and approaches leading to the development of resilient engineered systems through integrating design of system functions and prognosis of function failures in a unified design framework. Failure prognosis plays an increasingly important role in complex engineered systems since it detects, diagnoses, and predicts the system-wide effects of adverse events, therefore enables a proactive approach to deal with system failures at the life cycle use phase. However, prognosis of system functional failures has been largely neglected in the past at early system design stage, mainly because quantitative analysis of failure prognosis in the early system design stage is far more challenging than these activities themselves that have been mainly carried out at the use phase of a system life cycle. In this paper, a generic mathematical formula of resilience and predictive resilience analysis will be introduced, which offers a unique way to consider lifecycle use phase failure prognosis in the early system design stage and to systematically analyze their costs and benefits, so that it can be integrated with system function designs concurrently to generate better overall system designs. Engineering design case studies will be used to demonstrate the proposed design for resilience methodology.

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Publisher
American Society of Mechanical Engineers
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Series
ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference;v.3A
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