使用FMECA和FFTA进行的海底分流系统的可靠性分析
Chao Liu1,2, Chuankun Zhou2,3, Liping Tan4,5,6
1College of Electromechanical Engineering, Qingdao University of Science & Technology, Qingdao, 266061, China.
Scientific reports
|October 2, 2024
概括
本研究介绍了一种结合的故障模式,效应和关键性分析 - 模糊断层树分析 (FMECA-FFTA) 方法,以评估海底分流系统的可靠性. 该FMECA-FFTA方法识别了关键故障模式,提高了海洋资源开发的安全性.
科学领域:
- 海洋工程 海洋工程
- 可靠性工程可靠性工程
- 风险管理 风险管理
背景情况:
- 海底分流系统对于海洋资源开发安全至关重要.
- 可靠性技术对于确保这些复杂系统的安全运行至关重要.
研究的目的:
- 引入和应用FMECA-FFTA联合方法,用于海底输送管系统的全面可靠性分析.
- 识别和量化故障模式,以提高系统安全性和运行完整性.
主要方法:
- 使用故障模式,效应和关键性分析 (FMECA) 进行定性分析,以确定故障模式,原因和危险.
- 使用模糊断层树分析 (FFTA) 构建断层树模型并确定最小切割集的定量分析.
- 纳入模糊集合理论,以提高在定量可靠性分析期间处理不确定性的准确性.
主要成果:
- 在海底分流系统中识别关键故障模式,按风险级别分类.
- 外部泄漏被确定为高风险模式.
- 不能按需关闭/锁定 (中高风险) 和关键位置/插入 (中等风险) 的泄漏也很重要.
结论:
- FMECA-FFTA方法为海底输送管系统的定性和定量可靠性评估提供了一个强大的框架.
- 建议对已识别的高风险,中高风险和中高风险故障模式进行有效的预防性保护和定期测试,以确保系统安全.
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