| 基于模糊故障树直升机起落架液压系统的故障诊断方法研究 |
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| 引用本文： | 李瑰贤,于广滨,马良.基于模糊故障树直升机起落架液压系统的故障诊断方法研究[J].机床与液压,2007,35(5):214-216,219. |
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| 作者姓名： | 李瑰贤 于广滨 马良 |
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| 作者单位： | 哈尔滨工业大学机电学院,哈尔滨,150001 |
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| 摘 要： | 起落架液压系统是飞机起落架系统中的重要组成部分,其可靠性的高低直接影响着飞机的安全.在对某型武装直升飞机起落架液压系统故障概率分析的基础上,将模糊数学和故障诊断方法相结合,建立了液压系统的模糊故障树.通过对其进行失效分析,推导出直升飞机起落架故障顶事件发生的模糊概率及其隶属函数分布,为起落架的维修和保养提供了理论依据.
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| 关 键 词： | 起落架 液压系统 模糊故障树 故障诊断 模糊故障树 直升机 飞机起落架系统 液压系统 诊断方法 研究 Fuzzy Fault Tree Based Helicopter Hydraulic System Diagnosis 理论 维修和保养 隶属函数分布 模糊概率 发生 顶事件 失效分析 结合 模糊数学 |
| 文章编号： | 1001-3881（2007）5-214-3 |
| 修稿时间： | 2006-05-19 |
Fault Diagnosis to Hydraulic System of Helicopter Landing-gear Based on Fuzzy Fault Tree |
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| LI Guixian,YU Guangbin,MA Liang.Fault Diagnosis to Hydraulic System of Helicopter Landing-gear Based on Fuzzy Fault Tree[J].Machine Tool & Hydraulics,2007,35(5):214-216,219. |
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| Authors: | LI Guixian YU Guangbin MA Liang |
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| Affiliation: | School of Mechanical and Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China |
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| Abstract: | After analyzing fault probalility on various parts of hydraulic system of helicopter landing-gear and combming fuzzy theory with fault tree analysis, a fuzzy fault tree of the hydraulic system of helicopter landing-gear was built and its fault probability was analyzed. The distribution of the membership function and the fuzzy probability value of the top event when hydraulic system of helicopter landing-gear cannot work was derived. The theoretical foundation was supplied for maintaining the system. |
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| Keywords: | Landing-gear Hydraulic system Fuzzy fault tree Fault diagnosis |
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