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        1. ENGLISH
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          【明理講堂2023年第20期】4-12荷蘭代爾夫特理工大學Piao Chen助理教授:Accelerated degradation tests with inspection effects

          時間:4月12日(星期三)下午15:30-17:00

          地點:主樓309會議室

          報告人:Piao Chen (陳飄)

          報告人簡介:

          Dr. Piao Chen is a tenured assistant professor in statistics at Delft Institute of Applied Mathematics, Delft University of Technology. He obtained his PhD in Industrial and Systems Engineering Management from National University of Singapore in 2017, and Bachelor in Industrial Engineering from Shanghai Jiao Tong University in 2013. Dr. Chen’s research focuses on industry big data analytics, reliability engineering, and statistical learning. Most of his work has appeared in top journals in statistics and engineering, including Technometrics, Statistica Sinica, Journal of Quality Technology, IEEE Transactions on Information Theory and IEEE Transactions on Reliability. His work received the Best Paper Award of SRSE2022 and was listed as the annual key achievement by A*STAR.

          報告內(nèi)容簡介::

          In this talk, we propose a framework to analyze accelerated degradation testing (ADT) data in the presence of inspection effects. Motivated by a real dataset from the electric industry, we study two types of effects induced by inspections. After each inspection, the system degradation level instantaneously reduces by a random value. Meanwhile, the degrading rate is elevated afterwards. Considering the absence of observations due to practical reasons, we employ the expectation –maximization (EM) algorithm to analytically estimate the unknown parameters in a stepwise Wiener degradation process with covariates.

          (承辦:管理科學與物流系、科研與學術(shù)交流中心)

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