本文研究了扁平轴变速回转时的振动稳定性问题。
This paper studies the vibration stability of rectangular shaft on variable rotation.
针对起重机系统电机变速过程引发的振动问题，应用单个动力减振器进行控制。
A research is conducted on application of dynamic vibration absorber for controlling hoist motor vibration during its rotary speed variation.
研究旋转机械在变速过程中振动信号的分析方法。
An analysis method for vibration signals in varying speed process of the rotating machinery is explored.
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.
通过对iso 2631、GB4970等振动舒适性评价标准的研究，建立手动变速器出租汽车驾驶员振动舒适性评价方法。
An evaluation method for the ride comfort of taxi drivers with manual transmission is presented based on the study on standards ISO2631, GB4970 etc. for ride comfort evaluation.
对车辆系统变速行驶所引起的非平稳随机振动进行了研究。
Solution of Nonstationary Random Vibration of Linear Vehicle Systems with Variable Driving Speed by Mode Method;
计算表明，变速器振动信号具有分形特征。
The result shows that the vibration signal of automotive transmission has a fractal feature.
根据振动钻削所具有的变速切削特性，提出了振动钻削的变速减振新概念。
According to the property of cutting with fluctuation speed in vibration drilling, a new concept of vibration reduction by cutting with fluctuation speed in vibration drilling is presented.
最后，根据锯齿型冰力模型得出自激振动与连续挤压破坏发生的转变速率。
Then transition velocity of self-excited vibration and continuous crushing is got bu the model of saw-tooth force function.
然而，如果发现离合器踏板振动或变速器换档有困难，并脱出咬合，那么就应该检查定位情况。 检查可用专用的定位心轴和千分表。
However if clutch-pedal pulsations are noticed or if gear shifting is hard and gears jump out of mesh then alignment should be checked. this requires a special alignment arbor and dial indicator .
阶次分析是基于FFT的一种时频转换谱分析，它是变速旋转机械体振动分析的最重要的一种方法。
Order analysis based on FFT is a transform between time-domain signal and frequency-domain signal and furthermore, it is the most important vibration analysis of rotational machinery.
通过CA10 B汽车变速箱齿轮和轴承故障振动试验验证了该方法的可行性。
Finally, its feasibility is verified in the experimental study of vibration in gear box and bearing faults of a CA10B automobile.
最后，论文描述了汽车变速器故障诊断专家系统(VT1000振动测试系统)的设计和实验过程。
At last, the design and experiment of an expert system for diagnosis of automobile transmission faults, VT1000 vibration test system, is described in this paper.
结果表明了车辆变速行驶对车桥耦合振动响应有较大影响。
The results indicate that vehicle travelling at various speeds has great influence on bridge dynamic responses.
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.
最后研究了多台变速车辆与桥梁耦合系统的振动问题。
Finally, we do some research on more than one vehicle-bridge coupling system model and vibration analysis of the problem.
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.
提出了以变速箱振动信号的时序模型为基础的3个特征向量参数，并以此建立标准模式特征向量；
Three characteristic vectors based on the time series model of gearbox's vibrating signals are suggested and distinguishing functions are set up with these three vectors.
提出了以变速箱振动信号的时序模型为基础的3个特征向量参数，并以此建立标准模式特征向量；
Three characteristic vectors based on the time series model of gearbox's vibrating signals are suggested and distinguishing functions are set up with these three vectors.
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