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Bayesian network analysis enhancing alternative design schemes of large-scale offshore systems
Frontiers in Marine Science ( IF 2.8 ) Pub Date : 2024-09-13 , DOI: 10.3389/fmars.2024.1447754
Jianing Li , Gaoshuai Wang , Chao Liu , Yong Guo , Gang Chen
Frontiers in Marine Science ( IF 2.8 ) Pub Date : 2024-09-13 , DOI: 10.3389/fmars.2024.1447754
Jianing Li , Gaoshuai Wang , Chao Liu , Yong Guo , Gang Chen
The design for large-scale offshore systems like renewable energy systems as well as ship structures represents the key factor for the investigation and application of such devices. The existing guide for design schemes of offshore systems cannot cover novel large-scale design demand for recent offshore systems, as a result of the fast-growing scale of offshore systems but the late update of guides. To this end, this paper proposes a novel risk estimation approach of alternative design schemes for large-scale offshore systems as a basis to support the design scheme determinations. Initially, the risks of design schemes are analyzed by fault tree analysis. Subsequently, Bayesian networks and fuzzy sets are employed to calculate the reliability of alternative designs that comply with, or deviate from, the existing guides. The risk level of alternative designs is assessed to ensure the better performance of alternative design schemes in terms of safety. The Bayesian network approach proposed also accretions the weak links in the alternative designs. The results of this paper contribute to enhancing the survivability of offshore systems, such as renewable energy systems as well as ship structures.
中文翻译:
贝叶斯网络分析增强大型海上系统的替代设计方案
可再生能源系统等大型海上系统以及船舶结构的设计是此类设备研究和应用的关键因素。由于海洋系统规模快速增长,而指南更新较晚,现有的海洋系统设计方案指南无法满足近期海洋系统新的大规模设计需求。为此,本文提出了一种新型的大型海上系统备选设计方案风险评估方法,作为支持设计方案确定的基础。首先,通过故障树分析来分析设计方案的风险。随后,采用贝叶斯网络和模糊集来计算符合或偏离现有指南的替代设计的可靠性。对替代设计的风险水平进行评估,以确保替代设计方案在安全方面有更好的表现。提出的贝叶斯网络方法还增加了替代设计中的薄弱环节。本文的结果有助于提高海上系统的生存能力,例如可再生能源系统以及船舶结构。
更新日期:2024-09-13
中文翻译:
贝叶斯网络分析增强大型海上系统的替代设计方案
可再生能源系统等大型海上系统以及船舶结构的设计是此类设备研究和应用的关键因素。由于海洋系统规模快速增长,而指南更新较晚,现有的海洋系统设计方案指南无法满足近期海洋系统新的大规模设计需求。为此,本文提出了一种新型的大型海上系统备选设计方案风险评估方法,作为支持设计方案确定的基础。首先,通过故障树分析来分析设计方案的风险。随后,采用贝叶斯网络和模糊集来计算符合或偏离现有指南的替代设计的可靠性。对替代设计的风险水平进行评估,以确保替代设计方案在安全方面有更好的表现。提出的贝叶斯网络方法还增加了替代设计中的薄弱环节。本文的结果有助于提高海上系统的生存能力,例如可再生能源系统以及船舶结构。