| 摩擦焊机液压施力系统故障率分析 |
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| 引用本文： | 王德海. 摩擦焊机液压施力系统故障率分析[J]. 科学技术与工程, 2012, 12(11): 2552-2555 |
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| 作者姓名： | 王德海 |
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| 作者单位： | 西北工业大学现代设计与集成制造技术教育部重点实验室,西安,710072 |
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| 摘 要： | 采用模糊故障树分析方法，对C800型连续驱动摩擦焊机液压施力系统故障机理进行定性分析。通过分析故障形式，建立了适合摩擦焊机液压施力系统故障诊断的模糊故障树结构，并进行量化分析，推导出摩擦焊机液压施力系统故障顶事件发生的模糊概率及其隶属函数分布,为摩擦焊机液压系统设计、维护和保养提供了理论依据。
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| 关 键 词： | 摩擦焊机 液压施力系统 模糊故障树 故障诊断 |
| 收稿时间： | 2012-02-12 |
| 修稿时间： | 2012-02-17 |
Fault Rate Analysis on Hydraulic Load System of Friction Welding Machine |
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| wangdehai. Fault Rate Analysis on Hydraulic Load System of Friction Welding Machine[J]. Science Technology and Engineering, 2012, 12(11): 2552-2555 |
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| Authors: | wangdehai |
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| Affiliation: | (Key Laboratory of Ministry of Education for Contemporary Design and Integrated Manufacturing Technology,Northwestern Polytechnical University,Xi’an 7l0072,P.R.China) |
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| Abstract: | Using the fuzzy fault tree analysis method, this paper did the qualitative analysis of hydraulic load system fault mechanism of friction welding machine whose model is C800 of continuous drive. Through the analysis of failure mode, this paper built the fuzzy fault tree structure which is suitable for hydraulic load system fault diagnosis of friction welding machine, and carried on quantitative analysis. The distribution of the membership function and the fuzzy probability value of the top event when the hydraulic system of friction welding machine cannot work was derived. The theoretical foundation was supplied for hydraulic system design and maintenance of friction welding machine. |
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| Keywords: | friction welding machine hydraulic load system fuzzy fault tree fault diagnosis |
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