故障形式 meaning in Chinese
failure mode
Examples
- For synchronous generator , loss of excitation is a serious fault and the corresponding protection often refuse to operate or maloperate
发电机低励失磁故障是一种严重的故障形式，低励失磁保护也是发电机保护的重点和难点。 - The development of technology of fault diagnosis for gear , fault forms , mechanism and characteristics of gear vibration , and common methods of fault diagnosis for gear are mentioned systematically
系统阐述了齿轮故障诊断技术的发展状况，齿轮的故障形式、振动机理和振动特点，以及常用的齿轮故障诊断方法。 - All the possible operation states are rationally incorporated into a practical state framework . load curtailment is the major criterion to classify states , as well as severity of failure mode
认为各种故障形式和控制措施最后都以切负荷量的形式反映出来，因此将切负荷作为状态定义的主要判据，兼顾个别严重故障模式和严重故障后果对系统运行的影响。 - And a leveled systemic fault diagnosis model is established lastly . by laboring stretch - bending former system function demands , its condition monitoring contents and hardware testing platform are established . also , fault signals acquisition , examination and process methods are researched as well
在详细分析了转台式拉弯机液压系统的组成结构、工艺特点和故障形式及特点的基础上，确立了液压系统状态监测的内容，组建了系统测试的硬件平台。 - It mainly includes following aspects : in this paper , firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail , and on this foundation signal given frequency band component extraction method is proposed . then we investigate frequency aliasing phenomenon , reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis , and frequency bands where frequency aliasing phenomenon is easer happened , and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon . third we set up vibration signal detected system , design experiments to obtain three groups of fault signals : eccentricity fault , mixed fault of eccentricity plus mild rub , mixed fault of eccentricity plus moderate rub , and process these data using analysis method proposed in this paper
首先对论文的选题以及相关背景进行了探讨,并对相关的小波基础理论进行了阐述,主要针对感应电动机的偏心故障和偏心+碰摩复合故障形式及相关的应用算法进行了详细探讨,主要工作内容包括下面几个方面:在论文中,首先对小波分析在信号的谐波分量提取中的应用进行了研究,在此基础上,提出了信号的特定频带成分的提取方法;研究了小波分析的频域混叠现象,探讨了小波分析应用于电机故障诊断领域时易发生频域混叠现象的原因,以及混叠现象较易发生的频带,提出了可以有效减轻频域混叠现象的改进的morlet小波分析方法;搭建了振动信号检测系统,设计实验采集得到三组故障数据:偏心故障,偏心+轻微碰摩复合故障,偏心+中度碰摩复合故障,并对这些数据应用本文提出的分析方法进行信号处理,提取出的特征参数可有效区分这两种故障形式;研究了基于matlab和labview的混合编程方法,完成了电机故障检测系统的软件开发。