In the paper, mechanical fault diagnosis is discussed.
本文对机械设备故障诊断做了论述。
Generally, probability theory is used in mechanical fault diagnosis.
通常，机械故障诊断是基于概率论的。
Then, this paper introduces the theory and technique of mechanical fault diagnosis.
随后论文介绍了机械故障诊断的理论和技术基础。
Transducer fault detection plays an important role in the mechanical fault diagnosis system.
传感器故障检测在机械故障诊断系统中具有重要意义。
Power Spectrum Analysis is a common method for precise detection in mechanical fault diagnosis.
功率谱分析是机械故障诊断技术中精密诊断的常用方法。
In this paper, the specific research is carried out around shearer electrical, mechanical fault diagnosis.
本文围绕采煤机电气、机械故障诊断进行了具体研究。
Mechanical fault diagnosis and monitoring plays an increasingly important position in industrial production.
机械故障诊断和监测在工业生产中占有越来越重要的地位。
Failure mechanism of vibration signal analysis is the mechanical fault diagnosis technology used in one of the main method.
故障机理的研究振动信号分析是机械故障诊断技术中采用的最主要的方法之一。
It is important to exactly extract impulse response information from complex vibration signals for mechanical fault diagnosis.
在复杂的振动信号中准确提取出冲击响应信息在机械故障诊断中具有重要的意义。
In this paper, several time domain waveforms of vibration signal and its identification method in mechanical fault diagnosis are analysed.
本文主要论述了机械故障诊断中，几类振动信号时域波形的分析与识别方法。
Detection of weak impact fault is difficult but very important in mechanical fault diagnosis, and it is the major tool for early diagnosis.
弱冲击故障检测是故障诊断中既困难又十分重要的研究课题，是实现故障早期诊断的基本手段。
The results show that the method of the mechanical fault diagnosis based on fractal theory is more sensitive to initial fault type of complicated mechanical system.
研究结果表明：基于分形的机械故障诊断方法对复杂机械系统的早期故障更为敏感。
The structure and algorithm of artificial neural network model were described, and the model and learning-procedure of mechanical fault diagnosis neural network were designed.
阐述了人工神经网络模型的一般结构和算法，并设计了机械故障诊断神经网络的模型和学习过程。
The technique present of mechanical fault diagnosis for numerically controlled machine tool was discussed, principle and methods of nc machine tool fault diagnosis were described.
分析了数控机床故障诊断技术研究现状，阐述了数控机床故障诊断的原则、故障识别的方法以及故障的诊断与维修技巧。
For the limitations of traditional methods in the mechanical fault diagnosis, it is proposed in this paper that the artificial neural network is used in the mechanical fault diagnosis.
针对传统的机械故障诊断方法的局限性，提出将人工神经网络应用于机械故障诊断中。
Blind Sources Separation (BSS) provides a new alterative for extraction of certain signal components in the signal corrupted by noise, and presents a new method for mechanical fault diagnosis.
盲源分离应用于机械振动信号的预处理中，提供了一个新的处理机制，在机械状态监测和故障诊断中具有一定的价值。
This paper connected the fractal theory with the mechanical fault diagnosis, discussed the basic concept of the fractal dimension, introduced the concept of gridding dimension and its solution.
将分形的有关理论与机械故障诊断联系起来，论述了分形维数的基本概念，介绍了网格维数及其求取方法。
Objective: To provide mechanical equipment maintenance and fault diagnosis of the theoretical basis and reference methods.
为机械设备维修人员提供故障诊断维修的理论依据和参考方法。
The paper stated in detail an analytical redundancy fault diagnosis method of automated mechanical transmission (AMT) control system.
详细论述了一个用于机械式自动变速器(AMT)控制系统的解析冗余故障诊断方法。
In the online detection and fault diagnosis for mechanical equipment, vibrating signal analysis is an important means.
在机械设备的在线检测和故障诊断中，振动信号分析是十分重要的手段。
This paper studies in details the application of the bidirectional associative memory method to the fault diagnosis of mechanical system.
本文较为详细地探讨了神经网络双向联想记忆法在机械系统故障诊断中的应用。
A new approach to extract weak periodic signal from strong noise is proposed to pick up some weak signals in the fault diagnosis of mechanical equipment.
为提取机械设备故障诊断中的某些微弱信号，给出一种新的提取强背景噪声中微弱周期信号的方法。
This system not only takes full advantages of the industrial PAC, but also uses a variety of mechanical signal to realize the auto-control, on-line monitoring and fault diagnosis of the rolling line.
该系统充分发挥工业PAC系统高集成性、低成本、高可靠性等优势，利用机械上多种可以测取的信号，实现了对连扎线的自动控制、在线监测和故障诊断。
The status identification is key step in the fault diagnosis of mechanical equipment.
状态识别是机械设备故障诊断的关键环节。
This paper introduces the fault reason and diagnosis methods for starting system. The check, adjustment and test of mechanical and electrical part of starter are also introduced.
介绍了起动系统故障的原因和诊断方法，起动机机械部分和电气部分的检查、调整和试验。
With the mechanical equipment becoming larger, more continuous and more automatic, the technology of fault diagnosis has been demanded higher.
随着机械设备大型化、连续化、自动化程度的不断提高，对故障诊断技术的要求也越来越高。
Gear as an important mechanical transmission equipment, its fault diagnosis has important significance.
齿轮作为一种重要的机械传动设备，对其进行故障诊断具有重要意义。
Gearbox is the important transmission component in the mechanical equipments, so much attention has been given to the fault diagnosis technology for it.
齿轮箱是机械设备的重要传动部件，其故障诊断得到了广泛的重视。
In mechanical condition monitoring and fault diagnosis, feature extraction is the most important issue.
在机器状态监测和故障诊断中，特征提取是一个非常重要的问题。
In mechanical condition monitoring and fault diagnosis, feature extraction is the most important issue.
在机器状态监测和故障诊断中，特征提取是一个非常重要的问题。
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