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基于故障树分析的机电液压设备智能化诊断策略研究 被引量:5
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作者 韩影 高传磊 +2 位作者 王宇璐 周晚 刘小英 《液压气动与密封》 2022年第8期82-85,共4页
机电液设备结构复杂、组件耦合性强,传统的故障诊断方法无法准确地实现故障定位和精细化分析,针对机电液设备的关键组件诊断,设定关键组件的故障诊断项,构建了机电液设备的智能化诊断拓扑结构,采用基于故障树分析方法的机电液设备故障诊... 机电液设备结构复杂、组件耦合性强,传统的故障诊断方法无法准确地实现故障定位和精细化分析,针对机电液设备的关键组件诊断,设定关键组件的故障诊断项,构建了机电液设备的智能化诊断拓扑结构,采用基于故障树分析方法的机电液设备故障诊断,利用模糊诊断算法实现设备的故障监测,通过搭建机电液设备的智能化故障诊断实验环境验证诊断策略的可靠性和准确性,实验结果表明设计的智能化诊断策略快速地提升机电液设备的诊断准确性和效率。 展开更多
关键词 机电液设备 故障诊断 拓扑结构 故障树 模糊诊断算法
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复杂机电液设备电气系统故障诊断实验研究
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作者 韩影 高传磊 《环境技术》 2023年第8期151-155,共5页
复杂机电液设备是一种集机械、电气和液压多个系统一体化的综合部件,在复杂机电液设备电气化过程中,极易出现电气部件故障,针对复杂机电液设备电气系统故障诊断效率下降的问题,以盾构机为研究对象,在盾构机机电液系统结构基础上,设计相... 复杂机电液设备是一种集机械、电气和液压多个系统一体化的综合部件,在复杂机电液设备电气化过程中,极易出现电气部件故障,针对复杂机电液设备电气系统故障诊断效率下降的问题,以盾构机为研究对象,在盾构机机电液系统结构基础上,设计相关组件故障诊断事件处理拓扑结构,采用故障特征值离群诊断方法裁剪电气组件故障诊断处理过程,在构建的盾构机电气系统集成化测试环境中验证故障诊断方法的可靠性和高效性。 展开更多
关键词 机电液设备 综合部件 盾构机 参数辨识 故障诊断 集成化
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Design & Construction Progress and Prospect of TGP
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作者 ZHENG Shou-renChief Engineer, Changjiang Water Resources Commission, Wuhan 430010, China 《人民长江》 北大核心 2002年第S1期2-6,共5页
The construction of the TGP has proceeded smoothly since its commencement of construction in 1994 and the construction quality is good in general. The construction proceeds in accordance with the master project schedu... The construction of the TGP has proceeded smoothly since its commencement of construction in 1994 and the construction quality is good in general. The construction proceeds in accordance with the master project schedule in preliminary design approved by the central government and the investment can be controlled within the total budget of the preliminary design. The Changjiang Water Resources Commission, taking charge of the general design jobs of the TGP, has consistently paid attention to the project quality in the first place and carried out large amount of investigation, design and scientific research work. This paper makes an overall summarization and presentation on important technical issues in the design, such as dam, powerhouse structure, permanent ship locks, ship lift, project safety monitoring, main river closure and the 2nd stage cofferdam, mechanical and electric design etc., and put forwards a lot of suggestions about optimizing design schemes and measures for smoothing away construction difficulties in accordance with construction progress. 展开更多
关键词 hydraulic structure electromechanical equipment TECHNICAL DESIGN construction PROGRESS safety monitoring Three Gorges Multipurpose Project
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