| 1. | Db20000i the sql command completed successfully . to simulate failover , we simply stop heartbeat on the primary system as user root : etc rc . d init . d heartbeat stop 为了模拟故障迁移的情况,我们只需要在主节点上以root用户的身份来停止heartbeat即可: |
| 2. | Supplement to guide for synthetic fault testing of ac high - voltage circuit breakers rated on a symmetrical current basis - 8 . 3 . 2 : recovery voltage for terminal faults - asymmetrical short - circuit current 额定在均衡电流基础上的交流高压断路器模拟故障试验指南补充. 8 . 3 . 2 :终端故障恢复电压.不平衡短路电流 |
| 3. | Malfunction and its impact are to be analyzed by using the method of structural theory , and resulted in a formulation of malfunction diagnosis , and a simulated malfunction of the complex energy system is tried to diagnose 4 .运用结构理论深入分析故障及其影响,建立故障诊断的判定方法,对复杂能量系统的模拟故障进行诊断。 |
| 4. | This paper focuses qfl the fault diagnosis of analog circuits with tolerances using the artificial neural networks method . the primary aim of tlie paper is to provide a mechanism to deal with the problem of tlement toleraneqs and reduce the testing time 本文主要研究了容差模拟电路故障诊断的神经网络方法,主要目的是解决模拟故障诊断中的容差问题和减少诊断时间。 |
| 5. | Labview language is used to program virtual instruments for detecting and analyzing the voltage sags in this paper . the actual running result proves that the entropy - based recursive complex wavelet arithmetic is effectively on analyzing the voltage sags 最后本文利用虚拟仪器开发软件labview建立了电压暂降检测系统,通过实验模拟故障,验证了电压暂降检测算法的有效性。 |
| 6. | Abstract : on the basis of analysing the system hardware and software , the method for simulating malfunctions in the system and the possibilities of adding new malfunctions in the system , a basic method for adding new malfunctions is advanced here in this paper 文摘:在分析系统硬件和软件的基础上,简要地分析了系统模拟故障的方法,同时分析了在系统中加入新故障的可能性,提出了加入新故障的基本方法。 |
| 7. | The supervised and unsupervised learning diagnosis methods are discussed and several improvements have been presented in the learning algorithms . the simulation results show that the proposed method can perforfti correct diagtioals iii the linear analog circuits with tolerances 本文对模拟故障诊断的有监督学习和无监督学习方法分别进行了研究,通过对实现过程的分析,对经典的学习算法进行深入研究,并提出若干改进。 |
| 8. | When such data mining methods are used hi fault diagnosis field based on a mass of fault data about machinery state , significant information can be discovered and be showed as visible rules and decisive conclusions for diagnosis be acquired from these rules 应用于故障诊断领域,对大量的机组状态数据进行挖掘,发现故障数据中存在的规律,以规则的形式体现出来,可以为故障诊断提供决策依据。利用转子实验台的模拟故障数据对提出的方法进行考核。 |
| 9. | In order to solve the problem how to get expert knowledge and how to detect fault , a new settlement is presented in this paper , which is based on simulation . in the beginning of this paper , the writer introduces some conception of conventional expert systems , and analyzes its localization or disadvantage . according to the special of electronic devices , artificial intelligent fault detecting system of a certain radar based on simulation is put forward ; the paper gives the detail of the top bottom design for an example , and gives the solution for remote diagnosing in internet 本文主要试图解决这么几个问题:面向故障诊断进行仿真建模;对仿真模型进行故障注入,获取故障模式,从而获取系统全面的专家知识;采用模糊神经网络对这些知识进行规约和抽象;采用模糊聚类算法对专家知识进行诊断现场的融合;采用虚拟仪表获取信号数据,运用小波变换等提取故障征兆,实现故障的诊断和预测;基于仿真模型构建嵌套推理算法,实现模拟故障排除训练和考核,分析岗位人员对原理的掌握情况。 |
| 10. | Trough experiment it can be proved that the improvement can notable lessen time in train network . at kst after dealing with the signal collected in test - bed for simukting the broken - down gear - box , using the software a neural - network is designed . after being trained and testing the neural - network is proved to reach the require of diagnose for gear - box 最后又由齿轮箱模拟故障试验测得的试验数据在智能故障诊断系统软件中进行信号处理和神经网络的训练,经对训练好的神经网络检验可以看出它是完全能满足齿轮箱齿轮的故障诊断要求的。 |