The reliability of a system is usually measured by the probability that the system performs its intended function in a given period of time. Estimating such reliability is a challenging task when the probability of failure is rare and the responses are nonlinear and time variant. The evaluation of the system reliability defined in a period of time requires the extreme values of the responses in the predefined period of time during which the system is supposed to function. This work builds surrogate models for the extreme values of responses with the Kriging method. For the sake of computational efficiency, the method creates Kriging models with high accuracy only in the region that has high contributions to the system failure; training points of random variables and time are sampled simultaneously so that their interactions could be considered automatically. The example of a mechanism system shows the effectiveness of the proposed method.
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ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 2–5, 2015
Boston, Massachusetts, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5708-3
PROCEEDINGS PAPER
Extreme Value Metamodeling for System Reliability With Time-Dependent Functions Available to Purchase
Zhifu Zhu,
Zhifu Zhu
Missouri University of Science and Technology, Rolla, MO
Search for other works by this author on:
Xiaoping Du
Xiaoping Du
Missouri University of Science and Technology, Rolla, MO
Search for other works by this author on:
Zhifu Zhu
Missouri University of Science and Technology, Rolla, MO
Xiaoping Du
Missouri University of Science and Technology, Rolla, MO
Paper No:
DETC2015-46162, V02BT03A049; 9 pages
Published Online:
January 19, 2016
Citation
Zhu, Z, & Du, X. "Extreme Value Metamodeling for System Reliability With Time-Dependent Functions." Proceedings of the ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2B: 41st Design Automation Conference. Boston, Massachusetts, USA. August 2–5, 2015. V02BT03A049. ASME. https://doi.org/10.1115/DETC2015-46162
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