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A Reliability Model for Induction Motor Ball Bearing Degradation

机译：感应电动机球轴承退化的可靠性模型

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摘要

In this study a reliability model of accelerated aging processes applied to motor bearings is presented. For this purpose, bearing damage is created through several accelerated aging processes for 5 HP induction motors, and motor vibration signals are examined by statistical and spectral analysis techniques. In this sense standard deviation values of the considered signals are determined as the most effective statistical parameter in reflecting the bearing degradation behavior. A new definition, which indicates the reliability level of the bearing, is given as a correlation degree defined between the initial case and any aged case. This relationship is used to establish the reliability model of motor bearing degradation through the exponential variation of the standard deviation for the overall process.
机译：在这项研究中，提出了应用于电机轴承的加速老化过程的可靠性模型。为此，通过5个HP感应电动机的多个加速老化过程会造成轴承损坏，并通过统计和频谱分析技术检查电动机的振动信号。在这种意义上，考虑信号的标准偏差值被确定为反映轴承退化行为的最有效统计参数。表示轴承可靠性等级的新定义是在初始情况和任何时效情况之间定义的相关程度。该关系用于通过整个过程中标准偏差的指数变化来建立电动机轴承退化的可靠性模型。

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