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Xiaoyan Zhu
Chinese Academy of Sciences
50Publications
14H-index
918Citations
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#1Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
#2Jun Wang (CAS: Chinese Academy of Sciences)H-Index: 1
Last.Tao Yuan (OU: Ohio University)H-Index: 12
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Abstract Considering the working and failure modes and maintenance process of a data storage system with data redundancy, we propose and study a reliability and maintenance model of a k -out-of- n :F system, in which the system experiences a rebuilding process with downgraded performance that follows preventive maintenance (PM) with replacement of failed components, and the system is subject to failure with different failure criteria during such rebuilding process. In addition, maintenance time ...
1 CitationsSource
#1Yuqiang Fu (CAS: Chinese Academy of Sciences)H-Index: 1
#2Tao Yuan (OU: Ohio University)H-Index: 12
Last.Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
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Abstract This paper studies a component reassignment problem of degrading components under two degradation termination modes: hot degradation and cold degradation. Consider a system in which components are functionally exchangeable but their degradation characteristics are different and the operational loads or environmental conditions or both that the components are exposed to are different. To improve overall performance of the system, it is critical to determine the time and plan of reassigni...
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#1Tao Yuan (OU: Ohio University)H-Index: 12
#2Xinying Wu (OU: Ohio University)H-Index: 1
Last.Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
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Abstract A polymer electrolyte membrane fuel cell (PEMFC) stack is a multi-component system composed of continuously degrading fuel cells. The voltage degradation of the fuel cells causes the degradation of the stack system, which has two system-level degradation measures; the overall stack output voltage and the minimum voltage of individual cells. This paper develops a hierarchical Bayesian modeling and data analysis method to predict the reliability of a PEMFC stack system using the voltage d...
1 CitationsSource
#1Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
#2Yuqiang Fu (CAS: Chinese Academy of Sciences)H-Index: 1
Last.Tao Yuan (OU: Ohio University)H-Index: 12
view all 3 authors...
1 CitationsSource
#1Xiaoqiang Bei (THU: Tsinghua University)H-Index: 2
#2Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
Last.David W. Coit (RU: Rutgers University)H-Index: 43
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Abstract The failure of high-consequence systems, such as highspeed railways, can result in a series of severe damages. Due to the volatility of real circumstances, stochastic optimization methods are needed to aid decisions on reliability design and maintenance for the high-consequence systems. Traditionally, risk-neutral approaches are used by considering the expectation of random variables as a preference criterion. The risk-neutral approaches may achieve the solutions that are good in the lo...
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#1Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
#2Mahmoud Boushaba ('ENS Paris': École Normale Supérieure)H-Index: 5
Last.Xian Zhao (BIT: Beijing Institute of Technology)H-Index: 1
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Consider non-homogeneous Markov-dependent components in an m-consecutive-k-out-of-n:F (G) system with sparse d, which consists of n linearly ordered components. Two failed components are consecutiv...
1 CitationsSource
#1Yuqiang Fu (CAS: Chinese Academy of Sciences)H-Index: 1
#2Tao Yuan (OU: Ohio University)H-Index: 12
Last.Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
view all 3 authors...
In a repairable system with multiple functionally interchangeable components, the components may work in different environmental or operational stresses associated with their positions, and thus, experience different failure rates and nonhomogeneous degradation processes. For such a system, the system lifetime can be improved by reassigning the components among the positions in the system after a period of operation. In this sense, the component reallocation (CR) is an option of preventive maint...
1 CitationsSource
#2Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
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#1Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
#2Can Jiao (CAS: Chinese Academy of Sciences)H-Index: 1
Last.Tao Yuan (OU: Ohio University)H-Index: 12
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Abstract With the rapid development of technologies and the consequent emergence of new business modes, products such as smart phones and personal computers have come to have relatively short lifecycles. As a result, products are designed, produced, and sold to accommodate the shorter lifecycles. From a practical point of view, the sales of products are assumed to have two phases: regular sales and promotions/disposal. In this paper, we propose an optimization model to jointly design and determi...
1 CitationsSource
#1Jun Wang (CAS: Chinese Academy of Sciences)H-Index: 1
#2Xiaoyan Zhu (CAS: Chinese Academy of Sciences)H-Index: 14
Last.Tao Yuan (OU: Ohio University)H-Index: 12
view all 3 authors...
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