论文同时建立了齿轮传动通用动力学模型，分析了齿轮传动系统中齿轮和轴承等主要零部件的振动和噪声机理。
The paper also sets up the general dynamic model for gear transmission, analyses the vibration and noise principle of the main parts in the gear transmission system like gear and bearing.
其次，通过对研究齿轮振动信号分析过程所涉及到的小波理论的研究，阐述了不同小波变换的工程意义和理论基础。
Secondly, through to study gear wheel vibration signal analysis course related to wavelet theory that arrives research, explain with various wavelet project meanings and theoretical foundation.
利用有限元应用软件ANSYS建立了齿轮转子系统耦合振动分析的有限元计算模型。
With the help of ANSYS system, it mainly deals with the modeling of a multi-stage gear rotor system with finite element method and analyzing the vibration modes of the system.
齿轮弯曲强度分析是轮齿承载能力、振动、噪声及修形等研究的基础。
The gear bending strength analysis is a foundation in research, such as gear power capacity rating, profile correction, as well as vibration and noise of gearing.
结合现场实例，进行了振动压路机驱动桥弧齿准双曲面齿轮早期失效分析和热处理技术评价。
Combined with the practical examples, the premature failure analyses for the hypoid gears of driving axle of vibratory compactor and evaluation of heat treatment technique were performed.
分析了齿轮副各几何参数及误差对轮齿振动产生的影响。
Analyzed the effects on teeth vibration exerted by geometry parameters and errors of gears.
并且通过从实验台采集到的实际齿轮振动信号分析，利用小波变换对其进行奇异性监测研究，取得了良好的效果。
And through gathering actual gear wheel vibration signal from laboratory, utilizing wavelet transform to study singularity monitoring, has made the good results.
通过比较，分析了特殊齿轮转子在工作过程中的振动特性。
Through comparing, the vibration behaviors of the special gear wheels rotor in work were analyzed.
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。
In this paper, typical fault mechanisms and vibration characters are analyzed; the methods of analyzing gear vibration signal and diagnosing fault are described.
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.
针对齿轮耦合的简单平行转子系统，研究了固有振动的特点，分析了影响固有频率的主要因素。
Properties of free vibration were analyzed for simplified geared rotor, and the main factors of influence on eigen frequency were also analyzed.
本文一个非线性单自由度模型用来分析在汽车手动变速箱中出现的齿轮敲击振动。
In this paper a non-linear one-degree-of-freedom model for analysis of gear rattle vibrations in automotive manual transmissions is presented.
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 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.
提出了超声研磨螺旋锥齿轮的理论与方法。 分析了超声研齿不灵敏性振动切削机理。
The paper presented the theory and method for the ultrasonic lapping of spiral-bevel and hypoid gears and analyzed its insensitive vibration cutting mechanism.
通过对阻尼材料的力学特性的分析，探讨了阻尼环对齿轮传动振动噪声的影响。
In this paper the influence of the damped ring on the gear transmissions vibration and noise was studied by analyzing the mechanics characteristic of the damped material.
论述了螺旋锥齿轮动力学研究的三种主要方法，即加载接触分析（LTCA）、解多维非线性方程组的方法，以及加载接触分析与周向振动模型结合的仿真分析方法。
The first method was loaded tooth contact analysis(LTCA), the second method was to solve nonlinear dynamics equation and the third method is to integrate torsional vibration model with LTCA.
该方法是通过对测取齿轮工况下的振动信号进行频谱分析，从而找出齿轮产生故障的原因。
By use of the method, the vibration signal in working state is measured and the spectrum analysis of the gear can be taken, so that the cause of the gear breakdown is found out.
齿轮强度分析是轮齿承载能力、振动、噪声及修形等研究的基础。
On the basis of analysis of gear teeth strength, gear power capacity rating and profile correction, as well as vibration and noise of gearing, are studied.
对齿轮进行模态特性分析时，研究了齿轮的振动是低阶模态起主导作用，为齿轮进一步的动态分析做好准备。
When carrying on the modal analysis, studies that the low step vibration gets up the leading role, prepares for the further dynamic analysis.
齿轮动力学分析是利用振动力学理论，研究齿轮系统在传递动力和运动过程中振动、冲击、噪声的基本规律，对齿轮传动的降噪、降振非常重要。
The gear dynamics analysis is, according to the theory of vibrate dynamics, to study the basic rule of vibration, shock and noise which created by gear system while transferring power and motion.
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。
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.
通过运动学分析，得到结晶器振动曲线，并论述了椭圆齿轮设计中的几个问题。
The velocity curve of mold is got through motion analysis. Some key problems are described too.
建议了一种基于复解析小波变换的瞬时频率分析齿轮故障振动信号的方法。 该方法将希尔伯特变换与小波变换相结合，具有自适应分析能力。
A method using transient frequency based on complex-analytical- wavelet-transform, which combines Hilbert transform with wavelet transform and possesses adaptive analytical ability, is proposed.
同时对模态分析中得到的各种振型对整个齿轮振动的参与情况作了定性分析。
Also, all kinds of main vibrations 'participation in the whole gear vibration is qualitative analyzed.
它将振动平均信号等距分段(所分段数与被监测齿轮齿数相等)，然后对分段信号进行频谱分析等。
The main idea of the single gear tooth analysis is that the vibration signals collected with high sampling rate are divided into a number of segments with the same time interval.
通过分析 ，找出了齿轮油泵在运转过程中造成困油容积而形成功率损失、振动和噪声的原因 ，为设计和维修齿轮油泵提供了消除困油现象的方法和结构措施。
Based on the theory analysis, the reason was discovered of oil- blocking during the operation of a gear oil pump, which resulted in power loss, vibration and noise.
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.
对一台噪声较大的齿轮箱做了振动噪声试验，通过分析识别出噪声源为一对啮合的齿轮。
An NVH experiment is done on the gearbox and the noise source is found through the analysis.
对一台噪声较大的齿轮箱做了振动噪声试验，通过分析识别出噪声源为一对啮合的齿轮。
An NVH experiment is done on the gearbox and the noise source is found through the analysis.
应用推荐