The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
该方法首先利用小波变换和主成分分析对故障信号进行预处理，然后用处理后的故障特征数据对小波神经网络进行训练和测试。
The core of this method is to find the mapping relations between fault component and load-shedding buses or the system.
该方法核心是找到故障元件与削减负荷节点和系统的映射关系。
Be aimed at the characteristic of the fault influencing to exhaust, building the fault diagnosis expert system through idea and method of the analyzing exhaust gas emission component is researched.
并针对影响汽车排放的故障的特点，通过废气排放成分分析的诊断思路及方法，对构建尾气分析专家系统进行了研究。
An actuator fault diagnosis method based on component signals analysis is proposed.
提出了一种基于部件信号分析的执行器故障诊断方法。
A new algorithm for fault location of HV transmission lines based on the real-time symmetric component method is proposed.
本文就高压输电线路故障，提出了一种基于实时对称分量法的故障测距新算法。
A new method to detect rotor cage fault of induction motor is presented, which monitors if the output power signal comprises a direct component and an alternating component or only a direct component.
通过判断电动机输出功率信号中是含有一个直流分量和一个余弦分量还是仅含有直流分量，判断鼠笼转子有无故障，提出了一种感应电机转子故障检测的新方法。
A new method of fault location for distribution feeders based on the aerial mode component of fault generating current and voltage traveling waves is discussed.
探索综合利用故障初始电流、电压行波线模分量实现配电线路双端故障测距的新方法。
Based on phase component model of transmission line, a method to calculate inter-line fault occurred in parallel circuits on same tower is proposed by use of phase component method.
基于输电线路的相分量模型，提出了利用相分量法对同杆并架线路上的跨线故障进行计算的方法。
Based on symmetrical component method and linear superposition principle, the additional positive sequence network after fault is established and the matching index on fault point is defined.
该方法首先运用对称分量法和线性叠加原理建立故障后的附加正序网络并且定义了故障点的匹配指标，进而基于该指标运用遍历搜索方法寻找故障点位置。
Based on the method of six sequence fault component, this paper analyses the performance of zero sequence directional relay on double circuit line on the same pole (DLSP).
文中用六序分量法分析了同杆双回线上零序功率方向继电器的性能。
One new method for fault diagnosis of steam turbine based on kernel principal component analysis (KPCA) and multistage neural network ensemble was proposed.
提出一种基于核主元分析(KPCA)和多级神经网络集成的汽轮机故障诊断方法。
So at last this paper summarized the methods of analog circuit fault diagnosis and present an useful method of diagnosis and it 's component-based software implement.
本文最后还针对测试台软件的核心功能——故障诊断，总结了模拟电路故障诊断方法，并给出了一种实用的模拟电路故障诊断方法及其构件实现。
In order to improve the accuracy of aero-engine component fault diagnosis ability, a method of two layers fault diagnosis based on gray relational analysis was proposed.
为了改善对航空发动机气路部件故障诊断能力，提出了一种基于灰色关联分析的两层诊断方法。
The method needs fewer control component and has lower fault rate, can save energy and cut galvanizing cost down.
所需控制元件少，故障率低。可大大节约能源，降低镀锌成本。
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequence current.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequence current.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
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