This paper introduces mainly the principle, measures and application of vibrating test, especially in diagnosis of bolt-pump fault.
着重介绍振动检测法的原理、方法及其在螺杆泵故障诊断中的应用。
This article introduces the application of SFTA (Software fault Tree Analysis) in the design of the reliability of hydraulic pump fault Expert System.
介绍了软件故障树分析方法在液压泵故障诊断专家系统程序可靠性设计中的应用。
The abnormal reasons and its hazard of metal-polluted transformer oil caused by oil pump fault are analysed. The protective measure and an effective on-site treatment method are presented.
分析了由于油泵事故导致金属污染的变压器油油质异常的原因及其危害，提出了防止扩大污染影响的措施，并总结出了一套有效的变压器油现场再生处理的方法。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
The measuring data are analyzed, and the results show that it is feasible for the fault diagnosis system of main coolant pump in the nuclear power station.
通过对实测数据进行分析，证明此方法用于核电站的主冷却剂泵的故障诊断是可行的。
Computer simulation shows that the system or software can be used to identify pump valve fault accurately.
计算机模拟识别表明，该系统可较为准确地识别出各泵阀的故障。
This paper introduces the structure and principle, elaborates common fault causes and points out the measures for prevention of fault, which lies the base for prevention and repairing of gear pump.
介绍了齿轮油泵的结构原理，阐述了其常见故障的原因，并指出了预防故障的措施，为预防故障及修理油泵打下良好基础。
Its application to fault diagnosis and state monitoring for a pump system shows that the hybrid neural network may recognize the fault modes in pump units reliably.
在泵系统故障诊断与监测中的应用表明，混合型神经网络能可靠地进行水泵机组故障模式的识别。
Vibration and other fault of diaphragm pump set is the main factor which affect the factory to run safely and stably.
隔膜泵机组的振动以及其它故障是影响机组安全、稳定运行的主要因素。
This paper describes the burnout process of elastic metal-plastic pads in large pump station, analyzes the causes of the fault and proposes the methods to solve the problem.
本文介绍了大型泵站弹性金属塑料瓦一次烧损故障，分析了事故原因，提出了处理方法，并对泵站用弹性金属塑料瓦的安装、使用提出了建议。
To research wear fault dynamic response for slider-crank of membrane pump, the wear fault dynamic model was built which based on the contact-separation state contact force model.
采用接触—分离二状态接触力模型，建立了隔膜泵曲柄滑块机构磨损故障动力学模型。
The principle and methods of the performance monitoring and fault diagnosis for the condenser and the guidance for optimal operation of the circulating water pump were introduced briefly.
简要介绍了凝汽器性能监测及故障诊断、循泵优化指导的原理及方法。
Different models of neural networks were trained to choose the best performance network for pump impeller imbalance fault diagnosis and classification.
选择不同的中枢网络作为最好的网络进行叶轮不平衡故障诊断和分类。
With the wear fault of the slipper pair, the dynamic characteristics of the axial piston pump are different from the normal state.
斜盘泵在发生滑靴副磨损故障时表现出与正常状态下完全不同的动态特性。
D-S evidence theory is applied in the multi-sensor data fusion, the generalized method of the data fusion is proposed and applied in the fault diagnosis of the hydraulic pump.
将D - S证据理论应用于多传感器数据融合，提出了多传感器数据融合一般化方法，并将其应用于液压泵故障诊断。
D-S evidence theory was applied in the multi-sensor data fusion, the generalized method of the data fusion was proposed and applied in the fault diagnosis of the hydraulic pump.
将D - S证据理论应用于多传感器数据融合，提出了多传感器数据融合一般化方法，并将其应用于液压泵故障诊断。
If any of return sludge pumps is in off mode, it will be regarded as standby unit. If fault is found on duty pump, the standby pump will be automatically change over.
没有启动的污泥回流泵作为备用泵，如主泵发生故障，备用泵自动切入。
The pump is the "heart" of the hydraulic system, and it has the severest working condition. So the condition monitoring and fault diagnosis of the pump is crucial for the hydraulic system.
液压泵作为液压系统的“心脏”，它的工作条件最为恶劣，因此对液压泵的状态监测和故障诊断成为了保证液压系统正常运行的关键。
A method of fault diagnosis for coolant pump system in nuclear heating pile is presented. It is the application of neuron network in the diagnosis of coolant pump system.
介绍一种诊断核供热堆冷却系统故障的方法，即神经元网络在冷却泵系统故障诊断中的应用。
This paper verified the effectiveness of the fault diagnosis method based on 2d-hmm for centrifugal pump, by applying several signal feature extraction methods combining 2d-hmm model.
在应用本文所采用的几种信号特征提取方法的基础上，结合2d -HMM模型，验证了基于2d - H MM的离心泵故障诊断方法的有效性。
Toward the migrating mechanism of "pump suction", it discusses the migrating model and the accumulating law of natural gas through fault.
针对“泵吸”运移机制，对天然气沿断裂运移冲注模式及聚集规律进行了探讨。
The state monitoring and fault diagnosis of the hydraulic pump is completed by an established criterion for determining faults.
通过建立故障判断准则，实现了液压泵的状态监测与故障诊断。
According to the fault features extracted from the pump vibration via wavelet transform, the working conditions and the faults of the pump can be classified and identified by the BP neural networks.
研究结果表明训练成功的BP网络可作为智能分类器对斜轴泵的常见故障进行识别和诊断。
The fault tree of electric submersible pump system is established by deductive method.
用演绎法建立了潜油电泵系统的故障树。
The extracting fault features approach based on high-order spectral for pump valves of reciprocating pump was investigated, especially third order spectral analysis.
研究了基于高阶谱（主要是三阶谱）和主元分析的故障特征提取方法。
After analyzing the working characteristics and fault forms of residuum pump at the bottom of vacuum tower of distillation unit, some technical measures are gradually found and used in practice.
分析了减压塔底渣油泵工作特点和故障表现，针对渣油泵的工作特点和频繁出现的故障表现，逐步摸索出一些技术措施并在实际工作中实施。
Pump valve spring fracture is another common typical fault of emulsion pump with high pressure and large discharge which reduces the volumetric efficiency of emulsion pump greatly.
泵阀弹簧断裂是高压大流量乳化液泵的另一种常见典型故障，极大地影响了乳化液泵的容积效率。
Pump valve spring fracture is another common typical fault of emulsion pump with high pressure and large discharge which reduces the volumetric efficiency of emulsion pump greatly.
泵阀弹簧断裂是高压大流量乳化液泵的另一种常见典型故障，极大地影响了乳化液泵的容积效率。
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