fault n. 1.过失,过错;罪过,责任。 2.缺点,缺陷,瑕疵。 3.(猎狗的)失去嗅迹。 4.【电学】故障,误差;漏电;【地质学;地理学】断层。 5.【网球】发球出界;犯规。 Faults are thick where love is thin. 〔谚语〕一朝情义淡,样样不顺眼。 fault detection 【机械工程】探伤。 The fault is his own. 这是他自己的错。 a grave fault in a theory 理论上的重大缺陷。 a fault in the machine 机械故障。 image fault 【物理学】像差,影像失真。 numerical faults 数值误差。 a fault on the right side 因祸得福。 be at fault 1. (猎犬追捕猎物等时)失去嗅迹,踌躇不前;不知所措,正在为难。 2. 出毛病,有故障。 3. = in fault (My memory is at fault . 我想不起来了)。 find fault in 看出…缺点。 find fault with 找…的岔子。 have no fault to find with 无错可寻。 hit off a fault (猎狗)闻出(曾一度错失的)嗅迹。 in fault 有过错,有责任 (Who is in fault 是谁的不是?)。 to a fault 过度,极端 (He is kind to a fault. 他过分老实)。 whip a fault out of sb. 鞭打某人使之改过。 with all faults 不保证商品没有缺点。 without fault 〔古语〕无误,确实。 vi. 1.【地质学;地理学】产生断层;有断层余迹。 2.发球出界;犯规。 3.〔方言〕责备,挑剔。 4.〔古语〕犯错误,做错。 vt. 1.找…的岔子,挑剔;〔方言〕责备。 2.【地质学;地理学】使产生断层。 3.把…做错。 He faulted my speech in two ways. 他认为我的讲话有两点不妥。 fault one's performance 表演发生失误。
Study on leaky fault mechanism of hydraulic fluid of self - propelled artillery 自行火炮液压系统油液内泄漏量数学模型研究
This paper consists of four related parts as follows : the first part is concerning about the fault mechanism and the fault characteristics 本文的主要工作包括相互关联的四个部分:第一部分研究发电机转子绕组匝间短路的故障机理。
The main purpose is to investigate different fault mechanism in rotating machinery , such as imbalance , misalignment , or imbalance with misalignment conditions , etc 其目的是探讨旋转机械在转动不平衡、偏心、基座松动及综合性等不同类型故障发生时,所生成的非稳态振动消息。
By reviewing the diesel engine fault diagnosis research , this paper illustrates the fault mechanism of diesel engine , studies the realization of the rsmfdde theory method , and establishes the rsmfdde system 回顾了柴油机故障诊断的研究背景,阐述了柴油发动机故障机理,研究了实现rsmfdde的理论方法,建立了rsmfdde系统。
In this paper , based on the analysis of the fault mechanism , the model of fault degradation and evolvement is found , and it is simulated and analyzed , thus , the sensitive parameters have been selected and alarm criterion has been established 本文通过对故障发生的机理进行分析,建立故障劣化演变模型,对模型进行仿真和分析,实现对灵敏参数的优化选择和报警判据的建立。
To validate fault diagnosis method using data fusion integrated ann and evidence theory in pump fault diagnosis , this paper analyzes the common fault mechanism of piston pump , brings forward diagnosis domain , gives diagnosis 为了验证神经网络和证据理论集成的数据融合诊断方法用于液压泵诊断的有效性,本文分析了柱塞泵常见故障机理,提出了液压泵的诊断域,建立了诊断的模型,并对诊断网络的结构进行了构造。
Abstract : based on analyzing the fault mechanism for fire - loss bush of the main bearing in nd2 diesel engine , the paper firstly presents the relations between exciting source of vibration and fire - loss bush fault ; then introduces experiments on vibration detection and diagnosis of the engine ; finally , the results show that the condition of fault for the main bearing can bediagnosed through detceting the vibration of engine base surface 文摘:在对nd2机车柴油机滑动主轴承烧瓦故障机理分析的基础上,阐述了柴油机的振动激励源及特征量与烧瓦故障之间的关系,并介绍了柴油机的振动监测与诊断的试验研究,试验结果表明:利用机座外表面的振动特性的变化可以诊断出机车柴油机主轴承的故障状态。
The main research in this thesis can be summarized as follows : ( 1 ) the structure and features of tc620 turbo cycling compressor are introduced . its frequent faults , fault mechanism and diagnosis are also analyzed . ( 2 ) the vibration signal analysis based on fault analysis and processing are presented , including wave analysis , tarce analysis , frequency spectrum analysis etc . and connected signal transformation ideas are also described , which can be conducted in amplitude field , time field and frequency field according to different needs 本文主要包括以下内容: ( 1 )介绍了tc620透平循环压缩机的结构特点,归纳总结了其常见的故障现象,分析了各类故障产生的机理和诊断方法; ( 2 )论述了基于故障分析处理的几种常用的振动信号分析法,如波形分析、轨迹分析、频谱分析等。
Shorted rotor winding is a usual electric fault of synchronous machines . based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator , the paper studies the diagnose method , which combines the traditional method with the intelligent method , to identify the fault and the severity 转子绕组匝间短路是一种常见的发电机电气故障,本文对其故障机理和磁动势进行了分析,将传统的方法和智能化方法相结合,对转子绕组匝间短路的存在性和故障严重性进行了诊断。
This article based on demand of production specially of that operator of production can master a little knowledge just to use it , research theory of artificial intelligence , motor fault mechanism and fault forms jooking for junction between artificial and motor fault diagnosis . further research expert system of motor fault diagnosis based on framewprk theory , seeking after motor fuzzy diagnosis and so on 本文从生产实践要求出发,针对生产操作者能够不用掌握太多的专业知识也能操作,研究人工智能的基本理论和电机故障机理和故障形式,寻找两者的结合点。在此基础上,重点研究基于框架理论的专家系统在电机故障诊断中应用,及探索电机模糊诊断等,在人工智能在故障诊断作了一些探索,主要完成以下工作: 1