| 强度与外载参数为模糊数的可靠度指标计算方法 |
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| 引用本文： | 刘长虹,来新泉.强度与外载参数为模糊数的可靠度指标计算方法[J].机械科学与技术(西安),1997,16(5):769-772. |
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| 作者姓名： | 刘长虹 来新泉 |
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| 作者单位： | 西北工业大学，西安电子科技大学 |
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| 摘 要： | 工程实际问题中，结构的强度与外载往往同时存在着含有模糊性和随机性的不确定因素，本文根据模糊集和可靠性理论，提出用二阶矩法求解构件模糊可靠性指标的算法。
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| 关 键 词： | 模糊数 可靠度指标 随机性 二阶矩法 |
A Calculating Method of Reliability Index for Fuzzy Numbers of Strength and Load Distribution Parameters |
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| Liu Changhong,Lai Xinquan Lu Zhenzhou Zheng Changqing.A Calculating Method of Reliability Index for Fuzzy Numbers of Strength and Load Distribution Parameters[J].Mechanical Science and Technology,1997,16(5):769-772. |
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| Authors: | Liu Changhong Lai Xinquan Lu Zhenzhou Zheng Changqing |
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| Affiliation: | Liu Changhong 1 Lai Xinquan Lu Zhenzhou Zheng Changqing |
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| Abstract: | There are many uncertain factors of the strength and load in engineering problem including the fuzziness and the randomness. In the present paper, according to the fuzzy set and reliability theory, a method is presented for computing the fuzzy reliability index of the structure component with the second order reliability method. |
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| Keywords: | Fuzzy numbers Reliability index Randomness Second order reliability method |
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