| 林业机械结构的动态可靠性灵敏度设计 |
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| 引用本文： | 张洋,王新刚.林业机械结构的动态可靠性灵敏度设计[J].林业机械与木工设备,2011,39(6). |
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| 作者姓名： | 张洋 王新刚 |
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| 作者单位： | 1. 泰来县平洋镇农村经济技术综合服务中心,黑龙江泰来,162406
2. 东北大学秦皇岛分校自动化系,河北秦皇岛,066004 |
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| 基金项目： | 中央高校基本科研业务费资助项目 |
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| 摘 要： | 采用随机过程和顺序统计理论建立了考虑随机栽荷和强度退化情况下林业机械零件的动态可靠性功能方程模型,将可靠性设计理论与灵敏度分析方法相结合,提出了动态可靠性灵敏度设计的计算方法,给出了各参数灵敏度的变化规律,分析了设计参数的改变对林业机械可靠性的影响.
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| 关 键 词： | 失效率 动态可靠性 灵敏度 可靠性分析 随机过程 |
Dynamic Reliability Sensitivity Design of Forestry Mechanical Structures |
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| ZHANG Yang,WANG Xin-gang.Dynamic Reliability Sensitivity Design of Forestry Mechanical Structures[J].Forestry Machinery & Woodworking Equipment,2011,39(6). |
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| Authors: | ZHANG Yang WANG Xin-gang |
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| Institution: | ZHANG Yang1,WANG Xin-gang2(1.Rural Economic and Technological Comprehensive Service Center of Pingyang Town,Tailai County,Tailai Heilongjiang 162406,China,2.Department of Automation,Northeast University at Qinhuangdao,Qinhuangdao Hebei 066004,China) |
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| Abstract: | Based on random load and strength degradation,a dynamic reliability function equation model is established using stochastic process and sequence statistical theory.By combining reliability design theory with sensibility analysis method,the calculation method of the sensibility design of dynamic reliability is put forward and the change law of the sensitivity of each parameter is presented,with the effect of the change in design parameters on the reliability of forestry machinery analyzed. |
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| Keywords: | failure rate dynamic reliability sensitivity reliability analysis stochastic process |
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