A Novel Transient System Survivability Quantitative Evaluation Framework

Author(s):  
Jipeng Huang ◽  
Jianhui Jiang ◽  
Liyuan Zhang
Author(s):  
Zhao Wan ◽  
Zhang Yongling ◽  
Cao Junjie

Quantitative evaluation of nuclear reactors decommissioning are difficult because the identification of appropriate quantification methodologies and evaluation procedures is still ongoing. We developed an evaluation framework consisting of 20 indicators derived from the 6 criteria, which could holistically and structurally evaluate nuclear reactors decommissioning. We chose a real decommissioning project in China as a case study. The results demonstrated that the analytic hierarchy process (AHP) was capable of nuclear reactors decommissioning evaluation.


2017 ◽  
Vol 2017 ◽  
pp. 1-8
Author(s):  
Rui Li ◽  
Zili Zhou ◽  
Yansong Cheng ◽  
Jianqiang Wang

ATC (air traffic control) automation system is a complex system, which helps maintain the air traffic order, guarantee the flight interval, and prevent aircraft collision. It is essential to ensure the safety of air traffic. Failure effects evaluation is an important part of ATC automation system reliability engineering. The failure effects evaluation of ATC automation system is aimed at the effects of modules or components which affect the performance and functionality of the system. By analyzing and evaluating the failure modes and their causes and effects, some reasonable improvement measures and preventive maintenance plans can be established. In this paper, the failure effects evaluation framework considering performance and functionality of the system is established on the basis of reliability theory. Some algorithms for the quantitative evaluation of failure effects on performance of ATC automation system are proposed. According to the algorithms, the quantitative evaluation of reliability, availability, maintainability, and other assessment indicators can be calculated.


Author(s):  
Sathya Bursic ◽  
Alessandro D'Amelio ◽  
Marco Granato ◽  
Giuliano Grossi ◽  
Raffaella Lanzarotti

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