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Dynamic modeling of two-stage gearbox for condition monitoring

机译：用于状态监测的两级变速箱的动态建模

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The health condition of gears can affect the dynamic behavior, and the behavior could be transformed into vibration signals. The signal information, thus, can reflect the health condition of the gearbox. In this paper, we present a two-stage gearbox dynamic model, and investigate the dynamic responses with respect to different levels of crack. The health condition indicators are calculated. We investigate the case where there is a crack in one stage, as well as the case where there are cracks in both of the stages. It is found that the root mean square (RMS) indictor generally increases with the increase of the crack length. The results can be potentially used for integrated health condition monitoring and prediction for two-stage gearboxes.
机译：齿轮的健康状况会影响动态行为，并且该行为会转化为振动信号。因此，信号信息可以反映出变速箱的健康状况。在本文中，我们提出了一个两级变速箱动力学模型，并研究了针对不同裂纹水平的动力学响应。计算健康状况指标。我们调查一个阶段存在裂纹的情况，以及两个阶段都存在裂纹的情况。结果发现，均方根（RMS）指标通常随裂纹长度的增加而增加。结果可潜在地用于两级变速箱的综合健康状况监测和预测。

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