| 引入模糊子集的证据理论在船舶安全评估中的应用 |
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| 引用本文： | 刘玲艳,吴晓平,宋业新. 引入模糊子集的证据理论在船舶安全评估中的应用[J]. 船舶工程, 2006, 28(6): 31-33 |
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| 作者姓名： | 刘玲艳 吴晓平 宋业新 |
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| 作者单位： | 海军工程大学,理学院,武汉,430033;海军工程大学,电子工程学院,武汉,430033 |
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| 基金项目： | 国家自然科学基金资助项(74071031). |
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| 摘 要： | 提出了一种结合D-S证据理论和模糊理论的安全评估方法.从实际应用的角度出发,将证据空间中的事件视为模糊子集,通过引入模糊子集,更好地描述了专家意见(或知识),给出了证据函数的表示.最后,结合某船舶系统,给出了安全评估的具体实现过程.结果表明,该方法可靠、有效,具有一定的实际应用价值.
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| 关 键 词： | 船舶 安全评估 D-S证据理论 模糊子集 |
| 文章编号： | 1000-6982(2006)06-0031-03 |
| 收稿时间： | 2005-11-20 |
| 修稿时间： | 2006-01-16 |
Application of evidence theory to the ship security assessment using fuzzy subset |
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| LIU Ling-yan,WU Xiao-ping,SONG Ye-xin. Application of evidence theory to the ship security assessment using fuzzy subset[J]. Ship Engineering, 2006, 28(6): 31-33 |
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| Authors: | LIU Ling-yan WU Xiao-ping SONG Ye-xin |
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| Affiliation: | 1. Science College, Naval Engineering University, Wuhan 430033, China; 2. Electronic Engineering College, Naval Engineering University, Wuhan 430033, China |
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| Abstract: | A method of security assessment combining D-S theory of evidence and fuzzy theory is put forward in this paper. According to the applications, the events of evidence space are considered as fuzzy subsets. When the fuzzy subsets are introduced, the opinion (or knowledge) of experts can be described better, and the evidence function is also given. Finally, the practical assessment process is given through an illustrative example of ship system. The results show that the method is effective and reliable with practical value. |
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| Keywords: | ship security assessment D-S theory of evidence fuzzy subset |
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