| 载荷粗糙度对可靠性的影响 |
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| 引用本文： | 王新刚,张义民,王宝艳.载荷粗糙度对可靠性的影响[J].机械强度,2009,31(3). |
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| 作者姓名： | 王新刚 张义民 王宝艳 |
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| 作者单位： | 1. 东北大学,机械工程与自动化学院,沈阳,110004
2. 东北大学,理学院,沈阳,110004 |
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| 基金项目： | 国家自然科学基金重点项目，青年科学基金，高等学校创新团队项目 |
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| 摘 要： | 研究随机载荷粗糙度和作用次数对系统可靠性的影响,运用应力-强度干涉模型和数理统计理论,建立随机载荷多次作用下的应力-强度干涉模型.在此模型下,通过理论分析和实例计算,找到载荷粗糙度、安全裕度和失效概率三者之间的关系,并建立一种新的零部件尺寸的计算方法.
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| 关 键 词： | 载荷粗糙度 安全裕度 系统可靠性 应力-强度干涉模型 |
EFFECT OF LOADING ROUGHNESS ON RELIABILITY |
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| WANG XinGang,ZHANG YiMin,WANG BaoYan.EFFECT OF LOADING ROUGHNESS ON RELIABILITY[J].Journal of Mechanical Strength,2009,31(3). |
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| Authors: | WANG XinGang ZHANG YiMin WANG BaoYan |
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| Affiliation: | 1.School of Mechanical Engineering & Automation;North-eastern University;Shenyang 110004;China;2.Department of Mathematics;North-Eastern University;China |
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| Abstract: | The effect of roughness and frequency of random loading on the reliability of system is studied,and an SSI(stress-strength interference)model under the action of random loading is given by using SSI model and theory of mathematical statistics.According to the model,the relation among loading roughness,safety margin and failure-dependent probability is shown by the theoretical analysis and experiments,and a new method of calculating the size of components is also presented. |
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