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一种动态贝叶斯网络模型,用于评估海上自动水面船上的机械系统的可用性
Zhepeng Han1, Di Zhang2, Liang Fan3
1School of Transportation and Logistics Engineering, Wuhan University of Technology, 1040 Heping Avenue, Wuhan, Hubei 430063, PR China; Intelligent Transportation Systems Research Center, Wuhan University of Technology, 1040 Heping Avenue, Wuhan, Hubei 430063, PR China.
海上自主水面船 (MASS) 需要强大的机械系统. 这项研究使用动态贝叶斯网络 (DBN) 建模了MASS机器的可用性,并提出了冗余等策略,以确保安全并降低维护成本.
科学领域:
- 海洋工程 海洋工程
- 可靠性工程可靠性工程
- 自主系统 自主系统
背景情况:
- 海上自主水面船 (MASS) 由于复杂的机械,固有的故障模式和船上维护人员的缺席,存在独特的安全挑战.
- 确保MASS机械系统的可操作性和安全性是一个关键的研究领域.
研究的目的:
- 开发和展示船舶机械系统的可用性模型,使用动态贝叶斯网络 (DBN) 整合维护策略.
- 建立传统船舶机械可用性的基准,并将其与MASS系统进行比较.
- 提出提高MASS机械可用性的策略,重点关注冗余设计和优化维护计划.
主要方法:
- 根据配置和计划维护,评估传统船舶机械系统的可用性.
- 与传统基准相比,MASS机械系统可用性的比较.
- 应用敏感性分析和成本最小化,以确定最佳的冗余和维护策略.
- 一个冷却水系统的案例研究,以展示模型应用.
主要成果:
- 该研究证明了动态贝叶斯网络 (DBN) 在建模MASS机械可用性的有效性.
- 敏感性分析确定了冗余性的关键组件.
- 冗余的设计和增强的检测能力显著降低了计划维护成本.
- 该模型促进了对冗余和维护策略的明智决策,以满足可用性需求.
结论:
- 开发的框架使MASS机械系统可用性与传统船只相比可以在早期设计阶段进行评估.
- 这些发现为MASS的冗余配置设计和维护计划提供了重要的参考.
- 实施冗余和增强检测对于具有成本效益和可靠的MASS操作至关重要.
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