A gearbox fault diagnosis method based on multi-class support vector machine was proposed in this paper.
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 new method for adaptive time-varying filter design and its application in gearbox fault diagnosis is proposed.
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。
By digital simulation and detection of gearbox fault signal the detection effect of the novel bilinear time-frequency transform is validated for the transient components in complex signal.
通过数字模拟实验与齿轮箱故障信号检测，验证了新的双线性时间-频率分布对复杂信号中瞬时分量的探测效果。
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。
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.
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。
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。
The theory, hardware and software are discussed. A broken fault in gearbox is diagnosed by the system and the result shows that the system is scientific and effective.
讨论了该系统的原理、硬件结构和软件系统，并运用该系统对一齿轮断齿故障进行了诊断，结果表明该系统是有效的。
After identifying the operational modal parameters of working gearbox, then compare with the normal data, and further achieve condition monitoring and fault diagnosis.
在含有谐波成分的响应情况下，通过识别其工作模态参数，然后同正常状况下的数据进行对比，从而进一步实现状态监测和故障诊断。
The effectiveness of suppressing noise and robust ability of detecting fault feature by using this method have been proved by both simulation and experiments done on a gun-automaton gearbox.
通过仿真与实验，证明这种方法能有效去除噪声，对故障特征信号有很强的提取能力。
The energy variation of vibration signals is the features of gearbox-case fault diagnosis.
振动信号能量在局域波时频分布中的变化，是局域波法诊断齿轮磨损故障的特征。
The fault information is enhanced when the ICA technology is applied to the fault diagnosis of the gearbox, which changes the traditional...
改变了传统的以降噪为主的故障信息增强思想，为微弱故障的有效诊断提供了一定的技术手段。
The fault information is enhanced when the ICA technology is applied to the fault diagnosis of the gearbox, which changes the traditional...
改变了传统的以降噪为主的故障信息增强思想，为微弱故障的有效诊断提供了一定的技术手段。
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