An approach to gear fault diagnosis is presented, which bases on kernel principal component analysis (KPCA).
提出了基于核函数主元分析的齿轮故障诊断方法。
Experimental results showed that bispectrum and bicepstrum were feasible and effective for gear fault diagnosis.
结果表明，双谱和倒双谱分析方法对识别齿轮故障是可行的、有效的。
A new gear fault detection and diagnosis scheme based on Hidden Markov Model (HMM) of vibration signals is introduced.
介绍了一种基于振动信号隐马尔可夫模型(HMM)的新的齿轮故障检测和诊断方案。
With the example of transmission gear fault diagnosis, the classified network is built and the gear state is recognized.
并以汽车变速器齿轮诊断为例，建立齿轮状态的分类网络，对齿轮状态进行诊断识别。
The invention discloses a gear fault diagnosis method based on multiscale linear frequency modulation-based sparse signal decomposition.
本发明公开了一种基于多尺度线调频基稀疏信号分解的齿轮故障诊断方法。
Result shows that the system can be effectively used in gear fault detection and diagnosis, and it can realize the function of Virtual Instrument.
通过测试验证表明，该系统能够很好地对齿轮进行故障检测与诊断，从而实现了虚拟仪器诊断系统的应有功能。
Compared result shows that integration of simulated annealing BP neural network has better performance, and is more accurate on the gear fault diagnosis.
结果对比表明，融合的模拟退火bp神经网络具有更好的性能，对齿轮故障的诊断精度更高。
During the gear fault detection and diagnosis, the fault feature extraction is the key of diagnosis, but it is multifarious for the method of fault feature extraction.
在齿轮故障监测与诊断中，故障特征提取是诊断的关键，而特征提取的方法也是多种多样的。
This article, first, mathematical models of one kind of gear fault in one— stage gearbox (the fatigue crack on root of tooth) are established on the basis of gear dynamics.
本文以齿轮动力学为基础，推导并建立了单级齿轮传动的一种齿轮失效的数学模型，即：齿根裂纹数学模型。
There are many ways to diagnose fault of gear, but vibration and noise diagnosis are generally considered most promising method.
诊断齿轮故障的方法较多，但普遍认为振动和噪声诊断是非常有前途的方法。
The relation of wear and vibration of gear of simulating pitting fault was studied by using ferrographic analysis and the time and frequency spectrums of vibration analysis technology.
利用铁谱分析技术和振动分析技术中的时频分析方法研究了模拟点蚀故障齿轮磨损与振动的关系。
The testing results indicate that this method can accurately diagnose the local fault of gear and has extensive application foreground.
分形网格维数诊断方法能有效地诊断齿轮局部故障，具有广泛的应用前景。
It was used in machine tool gear box to carried out state detection, and owned high fault detection rate.
将其应用于机床齿轮箱运行状态检测，具有很高的故障检测率。
To extract the gear crack fault weak feature of locomotive running gear box on complex background, a new method of ensemble empirical mode decomposition (EEMD) and 1.
针对复杂背景下机车走行部齿轮箱齿轮裂纹故障微弱特征的提取问题，提出了总体平均经验模式分解(EEMD)与1。
This paper introduces the structure and principle, elaborates common fault causes and points out the measures for prevention of fault, which lies the base for prevention and repairing of gear pump.
介绍了齿轮油泵的结构原理，阐述了其常见故障的原因，并指出了预防故障的措施，为预防故障及修理油泵打下良好基础。
In this paper, typical fault mechanisms and vibration characters are analyzed; the methods of analyzing gear vibration signal and diagnosing fault are described.
分析了齿轮典型故障的故障机理及其振动特征，阐述了齿轮振动信号分析与故障诊断的方法。
It has big power range, high transmission efficiency and transmission ratio correctly, long using life, etc, but from the failure parts, gear is the most vulnerable parts of the fault.
它具有功率范围大，传动效率高，传动比正确，使用寿命长等特点，但从零件失效的情况来看，齿轮也是最容易出故障的零件之一。
It is discussed that the high speed and heavy load rotor system connected by the gear coupling has spectrum characteristics and fault properties in the misalignment.
研究了由齿式联轴节联接的高速重载转子系统具有不对中时的频谱特征及其故障物理特性。
Do your plant machines ever suffer from shaft misalignment, rotor imbalance, gear failure or bearing fault?
永远不要从你的工厂机器轴偏差，转子不平衡，轴承齿轮故障或故障受到影响？
The vibration fault of a reducer is analyzed. A kind of coupled resonance of the intermediate transmission gear is discovered.
本文研究了某减速器的振动故障，发现并研究了其中介传动齿轮的耦联共振。
Through characteristic analysis of gear long and short period fault, it is constructed a BP neural network to diagnose the fault from the extracting fault characters in this thesis.
通过对典型大、小周期故障样本进行特征分析，构建了一个BP神经网络对提取的故障特征进行诊断。
Vibration data acquisition and signal processing has been done for gear box, by criterion of fault model, we find the characteristic of fault gear box and make contribution to fault diagnosis for it.
对齿轮箱做振动测试和分析，通过模式识别找到齿轮箱损坏时呈现的特性，为齿轮箱故障诊断提供依据。
The traditional time and frequency domain methods of vibration signals of gear box fault are introduced in this paper. And meanwhile this paper lists different applied fault analysis means.
介绍了齿轮箱故障振动信号传统的时域、频域分析方法，并列举了一些不同故障所应用的分析方法。
This method was used to diagnose normal working state, wear working state and fault working state of LC5T81 transmission gear. The results show that this method is effective and practical.
该方法应用于LC5T 81变速箱齿轮的故障诊断中，能够比较准确地识别与诊断出变速箱齿轮的走合运行状态、磨损运行状态和故障运行状态，具有一定的实用价值。
In fault simulating, two very similar models of worn gear have been considered with partial difference for evaluating the preciseness of the proposed algorithm.
在故障模拟中，两种非常相似的磨损齿轮类型被视为以偏差来评估该算法的严谨性。
The gear distortion of automobile rear bridge during carburizing heat treatment was discussed, the fault reason was analysed and relevant measure was put forward.
主要探讨了汽车后桥被动锥齿轮在渗碳热处理过程中出现的变形问题，并分析了缺陷产生的原因，提出相应的解决对策。
Experimental results show that gear vibration signal decomposition can detect different faults, and high-order acceleration signals are more sensitive to certain type of fault.
研究表明，齿轮运动信号分解能够有效检测齿轮的各类故障，高阶加速度信号对齿轮某些类型的早期故障更加敏感。
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。
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。
应用推荐