| 一种鱼雷壳体模糊可靠性的计算方法 |
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| 引用本文： | 汤礼东,宋保维,毛昭勇,李正. 一种鱼雷壳体模糊可靠性的计算方法[J]. 兵工学报, 2006, 27(6): 1056-1059 |
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| 作者姓名： | 汤礼东 宋保维 毛昭勇 李正 |
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| 作者单位： | 西北工业大学,航海学院,陕西,西安,710072;西北工业大学,航海学院,陕西,西安,710072;西北工业大学,航海学院,陕西,西安,710072;西北工业大学,航海学院,陕西,西安,710072 |
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| 摘 要： | 对具有模糊性的各种系统和问题，用常规可靠性理论和方法对其进行描述非常困难，甚至是不可能的。为解决这个问题，提出了一种模糊可靠性的计算方法，它重点解决工程实际中的随机应力——模糊强度模型。该计算模型的数学基础是，模糊可靠性可以用常规概率通过数学转换来计算。基于这种计算模型，提出一种计算鱼雷圆柱形壳体模糊可靠性的方法，它为可靠性分析建立了一种系统组成单元模糊可靠性的基础。实例计算结果证明，该方法与工程实际一致。
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| 关 键 词： | 系统评估与可行性分析 模糊可靠性 随机应力-模糊强度模型 隶属函数 圆柱形壳体 |
| 文章编号： | 1000-1093（2006）06-1056-04 |
| 收稿时间： | 2004-06-08 |
| 修稿时间： | 2004-06-08 |
A Computational Model of Fuzzy Reliability for Cylindrical Torpedo Shell |
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| TANG Li-dong,SONG Bao-wei,MAO Zhao-yong,LI Zheng. A Computational Model of Fuzzy Reliability for Cylindrical Torpedo Shell[J]. Acta Armamentarii, 2006, 27(6): 1056-1059 |
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| Authors: | TANG Li-dong SONG Bao-wei MAO Zhao-yong LI Zheng |
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| Affiliation: | College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China |
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| Abstract: | A computational model of fuzzy reliability aimed at the solution of engineering problems with random stress-fuzzy strength was presented. Its mathematical basis is that fuzzy probability can be computed with the method of conventional probability by use of a mathematical transition, Based on this, a numerical algorithm was given which can be applied to compute the fuzzy reliability of cylindrical shell. This lays a foundation for the reliability analysis of systems consisting of the components with fuzzy reliability, Computational result fits well with engineering experience. |
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| Keywords: | analysis on system assessment and feasibility fuzzy reliability random stress-fuzzy strength model membership function cylindrical shell |
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