出故障的

Optimal design of the incidence matrix for structured residual approach with maximized sensitivity is discussed in this paper, in order to overcome the shortcoming of SRAMS that ignores the speed and sensitivity of fault diagnosis while considering the isolability of fault codes in the incidence matrix design.

针对基于具有最大敏感性结构化残差的传感器故障检测与诊断方法在设计影响矩阵时只考虑故障编码的可分离性，而没有考虑故障诊断的快速性和灵敏性的缺点，给出了故障敏感度和故障诊断灵敏度等指标，并提出了两种影响矩阵的优化设计算法。

Computer simulation on a non=isothermal CSTR process monitoring problem demonstrates the effectiveness and efficiency of the proposed method.3 Optimal design of the incidence matrix for Structured Residual Approach with Maximized Sensitivity is discussed in this paper, in order to overcome the shortcoming of SRAMS that ignores the speed and sensitivity of fault diagnosis while considering the isolability of fault codes in the incidence matrix design.

通过非等温连续反应釜过程的故障检测与诊断的应用实例，说明了基于具有优化结构的FS KPCA信号重构传感器故障诊断方法的快速性和有效性。3针对一种基于结构化残差PCA的传感器故障诊断方法，即：基于具有最大敏感性结构化残差的传感器故障检测与诊断方法，在设计影响矩阵时只考虑故障编码的可分离性，而没有考虑故障诊断的快速性和灵敏性的缺点，提出了故障敏感度和故障诊断灵敏度等指标，并给出了两种影响矩阵结构的优化设计算法，从而提高传感器故障诊断的快速性和准确性。

In this paper, many sensor networks are distributed at different areas, firstly the local fuzzy neural network fuses the information from corresponding sensor network in character level, secondly the outputs,which are diagnosis conclusion, are fused by terminal neural network in decision level.

电力系统的继电保护和故障诊断一直是人们研究的重要课题，一旦系统发生故障，如何尽快识别故障类型、判断故障位置、及时跳闸保护以及故障排除后迅速恢复供电等，开发出这样一个实用可靠的继电保护和故障诊断系统势在必行。

The uniform approximation of normal wavelet neural network and the robust analysis of wavelet neural networks of the combination of Sigmoid function are detailedly introduction; Multiple model failure detection based on wavelet neural network is demonstrated detailedly; At last, the failure diagnosis results of aerocraft is present seperately by employing wavelet neural network and BP neural network, and the fault diagnosis of areocraft system by wavelet neural network is achieved.

论文以小波神经网络为研究对象，提出了一类新的加权小波基，分析证明了加权小波基的诸多良好特性；对于常见小波神经网络的一致逼近特性、S型函数组合小波神经网络的鲁棒性分析、多模型小波神经网络的故障检测等问题给出了详细的论证；最后，针对歼击机的常见故障问题，分别给出了应用小波神经网络和BP神经网络的故障诊断结果，实现了小波神经网络对飞机系统的故障诊断。

Aiming at the features of the mute circuit of PVW2000 series video-recorder with power on, illustrates their general principles, offers the inner circuit to the power on pulse generator M51957BL, the parameters for the main parts and the reference voltage for every key points in different conditions.

针对PVW 2 0 0 0系列录像机中开机静音电路的特点，对其基本原理进行了详细的分析，给出了电源检测元件M5 195 7BL的内部电路、各主要元件的参数以及不同状态下电路中各关键点的参考电压，指出了系统内不同单元开机静音电路的差异及电路故障的排除方法。

The practicality of using rough set to reduce the date was discussed, in this paper, and the interval-valued continuous attribute discretization by applying self-organizing map neural network clustering was proposed, too. This article proposes a simplified indiscernible matrix's method, which reduces the example's condition attribute and eliminates the redundant information of the date. What's more, it provides the methods used to diagnosis compressor's faults based on the intelligence hybrid system by adopting the MATLAB neural network workbox. At last, the functional modules which make up into intelligence hybrid system for fault diagnosis was introduced, including: data acquisition module, date preprocessor module, date reduction module, neural network module, fault diagnosis module and fault expressing module. Here, the article also gives the flow of work of all the above modules.

论文论述了应用粗集对故障数据进行约简的可行性，并应用自组织映射神经网络的聚类功能，来实现连续属性值的离散化方法；给出了简化的分明矩阵法，并用该方法实现了样本条件属性的约简，消除了样本数据中的冗余信息；采用MATLAB神经网络工具箱建立了压缩机的部分故障类型的智能混合诊断系统；最后介绍了智能混合故障诊断系统的功能模块组成，各功能模块分别为：数据采集模块，数据预处理模块，数据约简模块，神经网络模块，故障诊断模块，故障解释模块；并给出了各功能模块的工作流程。

Based on uC/OSII RTOS, every step is achieved such as control module, task PRI assign, real time attempter, double communication disposal and fault diagnosis.

在磁悬浮全数字控制硬件平台上，采用不同的控制软件设计方案：实现前后台的软件设计，给出程序的主要流程；引入C／C++软件框架式编程思想，以uC／OSⅡ嵌入式实时操作系统作为控制软件基础，完成磁悬浮轴承实时控制系统的控制模块的建立、任务的优先级分配以及各种功能的实时调度，双处理通讯和故障诊断等工作。

Based on the analysis, with asp.net and windows 2003 server as os and sql sever 2003 as the database platform to develop a 3 layer structure college online examination system which based on b/s mode. paper indicates the design blue prints, the database implementing mode, at last introducing the solvement of computer breakdown and startegy of choosing problems.

在对在线考试系统进行分析的基础上，利用asp.net技术在windows 2003 server操作系统和sql server 2003数据库平台上开发三层架构的基于b/s模式的高校在线考试系统，并给出软件的设计思想、数据库的实现方式，最后还介绍并发故障、计算机死机的解决方法以及抽题的策略。

In this paper Ⅰ successfully applied these methods to fault diagnosis, and presenting some new innovative machinery fault diagnosis method; First Ⅰ present a new gear wornout fault diagnosis method, this method use the vibration signal's time-frequency attribute and instantaneous phase undulation to accurately detect gear's fault, and by comparing with the traditional frequency domain analysis method, this method reveals that many nonlinear and nonstationary characteristic exist in gear's vibration, this tell us that if we use frequency domain analysis method without pay attention to the signal's characteristic, we could get wrong diagnostic result; Then Ⅰ present a new bearing fault diagnosis method, this method use ATVFD and Hilbert transform to do envelop demodulation,Ⅰ analyze the envelop with time-frequency method and find out that this method is more accurate then traditional method.Ⅰ also explain that the modulation of the fault to the carrier wave may also be non-stationary and nonlinear; Finally Ⅰ present a cylinder pressure measurement method of diesel engine by means of vibration, cylinder pressure is an important parameter of diesel engine fault diagnosis, the pressure measuring is simplified a lot by this method,Ⅰ also use the ATVFD and time-frequency analysis to realize it.

本文中将上述理论方法成功地应用到故障诊断中去，提出了几点创新性的诊断方法；提出了一种齿轮磨损故障诊断的新方法，该方法利用振动信号能量的时频域分布特征与瞬时相位波动特征可以进行精确的齿轮故障诊断，并通过与传统的频域诊断方法的比较，揭示出齿轮振动中存在的明显的非线性与非平稳特征，说明了不加选择地利用频域分析方法进行齿轮故障诊断很可能会得到错误的诊断结果；提出了一种轴承故障诊断的新方法，该方法利用ATVFD分解与Hilbert变换进行包络解调，并对解调得到的包络信号进行时频域分析，可以实现更加准确轴承故障诊断，说明了故障对载波信号的调制往往也是非平稳与非线性的；提出了一种利用振动信号进行柴油机汽缸内压力检测的新方法，柴油机汽缸压力的变化是柴油机故障诊断的重要参数，利用振动方法可大大简化汽缸压力的检测过程，该方法也是综合利用ATVFD分解与时频域分析方法实现的。

But at present the on-line monitoring technology was concentrated on AC cable, the relevant research on DC feeder cable was scarcely carried out around the world, and the on-line monitoring technology on AC cable can not be adopted. Then, in the thesis, the faults reasons were analyzed and fault models with real project were set up started with the faults of the DC feeder cable.

由于直流馈出电缆在线监测技术国内外未见报道以及交流电缆在线监测技术不能移植于直流馈出电缆在线监测的现状，论文首先从直流馈出电缆故障分析入手，分析了直流馈出电缆故障原因，建立了具有工程意义的直流馈出电缆故障模型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。