During the trial, we collected vibration signals of the motor fault to analyze.
在实验中，我们采集了电机故障轴承的振动信号进行分析。
The paper analyses causes of motor fault in mines and puts forward some countermeasures.
对电动机发生故障的原因进行了分析，提出了预防和减少电动机故障的措施。
Finally, an example of ac motor fault diagnosis is studied to show the validity of the approach.
最后，通过实例的AC电机故障诊断的研究显示该方法的有效性。
The analysis software of electric motor fault recorder equipment is useful tool for maintenance man to analyze and handle fault.
电动机故障录波监测装置分析软件是运行人员分析处理故障的有力工具。
Against this background, the paper did the research on motor fault analysis system, which is based on ARM embedded microprocessor.
在此背景下，本文进行了基于ARM的嵌入式电机故障诊断系统的研究。
Monitoring and analysis of the motor running status could detect fault in early phase and prevent the deterioration. Motor faults diagnosis is of great significance.
在电机运行时对其运行状态进行监测和分析可及早发现故障，防止故障的进一步恶化，具有十分重要的意义。
In the end, the intelligent asynchronous motor fault diagnosis system combining information fusion with artificial network as well as expert knowledge system is presented.
最后，提出了综合信息融合技术、人工神经网络技术、专家系统知识的智能化异步电动机故障诊断系统。
Tests results show that the method concluded in this paper can effectively represent the semantic relationships among motor fault knowledge and improve the motor fault knowledge reusability.
测试结果表明，该方法能有效表示电机故障知识之间的语义关系，提高电机故障知识的复用性。
Fixed screw between air-conditioning fan motor and fan blades loose and maintenance method of this fault is very simple, only needs to be fixed between the screw blades and motor re tighten.
空调外机风扇的电机和风叶之间的固定螺钉松脱，这一故障的维修方法十分简单，只需重新将扇叶和电机之间的固定螺丝重新扭紧即可。
Once serious fault occurs to motor, not only will it destroy motor itself, but also will lead the whole industrial production to break.
一旦发生严重故障，不仅电机自身将损坏，还将导致整个工业生产的中断。
The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.
对系统总体设计方案进行了研究分析，硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。
This paper gives the contents of traction motor repair according to condition in detail. Several fault detection and diagnosis methods of traction motor are presented.
详细阐述了牵引电机实行状态修的内容，并提出了牵引电机的几种故障检测和诊断方法。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
The structure principle of fault diagnosis expert system on motor-drive and its implementing method are introduced in this paper.
本文介绍了电动机故障诊断专家系统的结构原理和实现方法。
With the stepper motor and gear train of the fault, should be clean, remove foreign bodies, refuel it.
碰到步进马达和轮系的这些故障，都应进行清洗，清除异物，重新加油才行。
The experimental result shows that the method can effectively be used to fault diagnosis of cage asynchronous traction motor on electric locomotive.
实验结果分析表明，该方法能够有效地应用于电力机车笼型异步牵引电机的故障诊断。
Therefore, to motor maintenance and overhaul of fault analysis more crucial.
因此，对电动机的故障分析维护与检修更显得至关重要。
The transient numeric simulation and relevant experiments of stator winding inter-turn short circuit fault of asynchronous motor are conducted using multi-loop mathematic model.
基于多回路数学模型，对异步电动机定子绕组匝间短路故障瞬变过程做了数字仿真，并完成了相关物理实验。
Results of theory analysis and experiments demonstrate the effectiveness of all the methods is proposed in fault diagnosis of cage motor.
通过理论分析和试验结果表明，以上方法对鼠笼电动机的故障诊断是有效的，并验证了其可行性和优越性。
Modular mixture programming of C language arid assemble language is adopted in the system software, which greatly improves real-time properties and accuracy of fault diagnosis of asynchronous motor.
该系统软件采用模块化的C语言和汇编语言混合编程，显著提高了异步电机故障诊断的实时性和准确性。
Ways of balancing the phase current of an induction motor operating with unbalanced supply and fault diagnostics of the thyristors are discussed.
提出了在异步电动机供电不平衡的情况下平衡相间电流的方法，给出了晶闸管故障检测的方法。
As an example, it is recommended to diagnose the fault of motor by measuring the rank of spark with this system.
文中介绍了应用该仪表系统测量火花等级来诊断电机故障的例子。
Secondly, the research status of fault diagnosis in roller bearing and asynchronous motor is summarized.
介绍了异步电机及滚动轴承故障诊断的国内外研究现状。
Stator phase failure is one typical fault of a three-phase induction motor.
缺相故障是三相感应电动机的典型故障之一。
To motor common fault, mainly divides into electrical and mechanical two kinds, every kind of faults for safe operation of electric motor brings great threat.
对电动机常见的故障，主要分为电气和机械两种，每一种故障都给电动机的安全运行带来极大威胁。
During detection of asynchronous motor rotor-bar broken fault, the signal of current was reconstruct after decomposed by best wavelet packet and adaptive filtered.
在异步电机转子断条故障检测中，将原信号最优小波包分解，经自适应滤波后再信号重构。
Both intelligent control to lay a sound foundation, but also to reduce motor starter when the fault occurred.
既要为智能控制打下良好基础，又要降低电动机起动时的故障发生。
The approach is also applied to the rotor bar breaking fault detection for squirrel cage asynchronous motor in this work.
该方法已成功应用于笼型异步电动机转子断条故障的在线监测中。
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
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