Reliability analysis of subsea Christmas tree structure based on fuzzy fault tree

被引：0
作者：
Jia, Peng [1 ]
Liu, Zhuang [1 ]
Liu, Peilin [2 ]
Yin, Feng [3 ]
Zhou, Lei [2 ]
Pang, Nan [1 ]
Shi, Lei [2 ]
机构：
[1] Harbin Engn Univ, Coll Mech & Elect Engn, Harbin, Peoples R China
[2] Offshore Oil Engn Co LTD, Tianjin, Peoples R China
[3] CNOOC Res Inst Co LTD, Beijing, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON MECHANICAL DESIGN AND SIMULATION (MDS 2022) | 2022年 / 12261卷
关键词：
Subsea Christmas tree; Risk Assessment; Fault Tree; Fuzzy Comprehensive Evaluation; Left and Right Fuzzy Number Sequence Method;
D O I：
10.1117/12.2640742
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In order to evaluate the reliability of subsea Christmas tree structure, a reliability analysis method based on fuzzy fault tree is proposed in this paper. First of all, by analyzing the configuration of the subsea Christmas tree from different manufacturers, the typical structure of the subsea Christmas tree is determined, and the failure tree model of the subsea Christmas tree structure is established based on the external load analysis. Then, the fuzzy comprehensive evaluation method is used to obtain the failure rate of the bottom event of the fault tree. The reliability indexes such as the failure rate of the top event, the reliability and the reliability life curve are calculated by quantitative analysis. Finally, the importance of the fault tree is analyzed. The results show that the key importance of "tree body inner wear" is the highest and has the greatest impact on the top event. It is a weak link in the structure and should be paid attention to. The research results can provide technical reference for the risk assessment of the subsea Christmas tree, and provide certain guiding significance for the design and manufacture of the subsea Christmas tree.
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收藏
页数：13
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