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.
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