Reliability-based product design with time-dependent performance deterioration

Zequn Wang, Pingfeng Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A primary concern in practical engineering design is ensuring high system reliability throughout a product life-cycle subject to time-variant operating conditions and component deteriorations. Thus, the capability to deal with time-dependent probabilistic constraints in reliability-based design optimization is of vital importance in practical engineering design applications. This paper presents a nested extreme response surface (NERS) approach to efficiently carry out time-dependent reliability analysis and determine the optimal designs. The NERS employs kriging model to build a nested response surface of time corresponding to the extreme value of the limit state function. The efficient global optimization technique is integrated with the NER S to extract the extreme time responses of the limit state function for any given system design. An adaptive response prediction and model maturation mechanism is developed based on mean square error (MSE) to concurrently improve the accuracy and computational efficiency of the proposed approach. With the nested response surface of time, the time-dependent reliability analysis can be converted into the time-independent reliability analysis and existing advanced reliability analysis and design methods can be used. The NERS is integrated with RBDO for the design of engineered systems with time-dependent performance deterioration. A design case study is used to demonstrate the efficacy of the proposed NERS approach.

Original languageEnglish (US)
Title of host publicationPHM 2012 - 2012 IEEE Int. Conf. on Prognostics and Health Management:Enhancing Safety, Efficiency, Availability, and Effectiveness of Systems Through PHM Technology and Application,Conference Program
DOIs
StatePublished - Nov 6 2012
Externally publishedYes
Event2012 IEEE International Conference on Prognostics and Health Management: Enhancing Safety, Efficiency, Availability, and Effectiveness of Systems Through PHM Technology and Application, PHM 2012 - Denver, CO, United States
Duration: Jun 18 2012Jun 21 2012

Publication series

NamePHM 2012 - 2012 IEEE Int. Conf.on Prognostics and Health Management: Enhancing Safety, Efficiency, Availability, and Effectiveness of Systems Through PHM Technology and Application, Conference Program

Other

Other2012 IEEE International Conference on Prognostics and Health Management: Enhancing Safety, Efficiency, Availability, and Effectiveness of Systems Through PHM Technology and Application, PHM 2012
CountryUnited States
CityDenver, CO
Period6/18/126/21/12

Keywords

  • NERS
  • RBDO
  • reliability analysis
  • time dependnent

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Biomedical Engineering
  • Mathematical Physics

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