本文采用自功率谱、逆频谱方法对拖拉机变速箱异常噪声源进行了诊断，找出了产生异常噪声的根源。
With auto-power spectrum and cepstrum, this paper diagnoses the unusual noise source of the gear box, and finds an impaired gear of the box.
西门子负责的部分包括：列车控制及诊断系统、牵引逆变器、辅助逆变器、制动电阻、高压箱及受电弓，以及牵引电动机和齿轮箱。
Siemens' scope of supply includes: train control and diagnosis system, traction inverter, auxiliary inverter, brake resistor, HV box and Pantograph, as well as traction motor and gear box.
针对减速箱运行状态和特征参数之间存在的复杂非线性关系，提出了基于主成分分析的RBF神经网络减速箱运行状态诊断方法。
As to the complicated nonlinear relation existing between running status of gear reducer and characteristic parameters, PCA-based RBF neural network reducer running status diagnostics is put forward.
文中以汽轮机减速箱轴承运行状态诊断为例，对样本数据经K-L变换后进行可视化研究，分类结果表明了该算法的可行性。
A diagnosis example on operation of axlebox of reducer. After K-L transformation, a research on the visualization is proceeded. The results are given to prove feasibility of the algorithm.
本文应用振动测试技术、转速测试技术以及计算机技术等构成了一套可用于工程机械变速箱的故障诊断系统。
A completed set of trouble diagnosis system for transmission in construction machinery using vibration measurement, rotating speed measurement, and computer technology is introduced in this paper.
准确地提取各种典型故障的特征是进行齿轮箱故障诊断的关键。
Extracting precisely the vibration characteristics of typical gearbox faults is a key to its diagnosis.
提出了一种基于多分类支持向量机的齿轮箱故障诊断方法。
A gearbox fault diagnosis method based on multi-class support vector machine was proposed in this paper.
振动信号分析是进行齿轮箱状态监测与故障诊断的重要手段。
Vibration signal analysis is widely used in the state monitoring and failure diagnosis of the gear and rolling bearing.
本论文在分析国内外文献的基础上，进行了各种工况下的传动箱故障机理与诊断方法研究。
In this dissertation, based on the analysis of present research situation, the fault mechanism and diagnosis method of the transfer-box in the practical state of work are studied.
介绍了高炉布料器齿轮箱在线工况监测与故障分析诊断系统的设计思路、基本构成以及主要功能。
The design idea, configuration and main functions of an online condition monitoring, analysis and diagnosis system for the Charging Gear Box of a Blast Furnace are introduced in the paper.
作包络功率谱分析，能有效地对齿轮箱故障进行诊断分析。
It is an effective and reliable method to analyze signals and diagnose gearbox by Hilbert power spectrum analysis.
作为应用实例，本文简要地介绍武钢炼铁厂5号高炉罐式炉顶齿轮箱监测诊断系统。
As a practical example the present paper briefly describes the monitoring and diagnosis system for the gear box pot type furnace top of no. 5 b...
无级变速箱CVT汽车自诊断系统由几个部分组成：TCU电路板上的针对CVT汽车实时的诊断系统；
The fault diagnosis system consists several parts: the real-time diagnosis system of TCU that based on CVT.
仿真和实验证明，本文所提出的智能诊断方法是可行的，能有效地对传动箱故障进行分析和诊断。
From the result of simulation and experience in the dissertation, we can see the intelligent diagnosis method, which is presented by this dissertation, is effective.
介绍齿轮箱在线工况监测与故障分析诊断系统的设计思路、基本构成以及主要功能。
The design idea, configuration and main functions of an online condition monitoring, analysis and diagnosis system for the gear box are introduced.
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。
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.
应用振动、噪声信号频谱分析和相干函数分析技术，从理论上说明变速箱故障诊断的依据。
The theory of coherence function and spectrum of vibration and noise signals is applied in gearbox noise analysis in the paper. The basis of fault diagnosis of gearbox is theoretically introduced.
提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。
An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.
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。
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.
在论文结尾，指出了齿轮箱诊断所应注意的两个基本问题。
In the end of the paper, the author points out two fundamental problems that should be enough noticed in gearbox diagnosis.
提出一种新的自适应时变滤波器设计方法，并将其应用于变速齿轮箱齿轮故障诊断中。
A new method for adaptive time-varying filter design and its application in gearbox fault diagnosis is proposed.
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。
Gearbox is the important transmission component in the mechanical equipments, so much attention has been given to the fault diagnosis technology for it.
针对齿轮箱升降速过程中振动信号非平稳的特点，将常规的阶次分析与双谱分析技术相结合，提出了基于阶次双谱的齿轮箱故障诊断方法。
In order to process the non-stationary vibration signals such as speed up or speed down signals effectively, the order bispectrum technique was presented.
针对齿轮箱升降速过程中振动信号非平稳的特点，将阶次跟踪、角域平均和幅值、相位解调分析技术相结合，提出了基于幅值和相位解调分析的齿轮箱故障诊断方法。
In order to process the non-stationary vibration signals such as speed up or speed down signals effectively, the order tracking technique and Angle domain average technique were presented.
针对齿轮箱升降速过程中振动信号非平稳的特点，将阶次跟踪、角域平均和幅值、相位解调分析技术相结合，提出了基于幅值和相位解调分析的齿轮箱故障诊断方法。
In order to process the non-stationary vibration signals such as speed up or speed down signals effectively, the order tracking technique and Angle domain average technique were presented.
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