Construction of entropy-based prior and posterior probability distributions with partial information for fatigue damage prognostics

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United States of America Patent

PATENT NO 9639637
APP PUB NO 20140100827A1
SERIAL NO

14015084

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Abstract

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A method for predicting fatigue crack growth in materials includes providing a prior distribution obtained using response measures from one or more target components using a fatigue crack growth model as a constraint function, receiving new crack length measurements, providing a posterior distribution obtained using the new crack length measurements, and sampling the posterior distribution to obtain crack length measurement predictions.

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Patent Owner(s)

  • SIEMENS AKTIENGESELLSCHAFT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guan, Xuefei Princeton, US 7 24
Zhang, Jingdan Plainsboro, US 27 276
Zhou, Shaohua Kevin Plainsboro, US 129 2164

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