所谓振动烈度是指回转体旋转过程中产生的宽频(10~1000Hz)振动速度信号的均方根值.其振动速度均方根(速度有效值)为:vrms=1T∫Tov2(t)dt式中v为振动信号。
答:振动烈度(vibration severity)就是极大值、平均值、均方根值或其他描述振动的参数中的一个或一组指定值。它可适用于瞬时数据或平均后的数据。
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However,in normal use conditions,with aging equipments,their vibration intensity is often beyond the default alarm value which makes the equipment alarm too frequently.
因此,当这些设备使用一定年限后,尽管依然能够正常工作,但其振动烈度往往会超过报警预设值,导致设备频繁报警,给现场操作人员工作带来很大不便。
参考来源 - 大离心泵状态监测及故障诊断仪的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
利用振动烈度和频域分析方法,对轧机主传动系统减速机进行了故障诊断。
In this paper, the reducer in the main drive system of the rolling mill has been diagnosed successfully by using vibration intensity method and frequency domain analysis method.
最后对三种方案的悬置软垫进行振动烈度测量对比,优选出最佳方案的悬置软垫。
At last select the best one among three scheme of mount gasket through comparing experimental test on vibrating intensity.
分析了设备运行状态的特征,运用灰色系统理论对设备状态特征量——振动烈度,建立了灰色预测模型。
Based on analysis of the characteristics of equipment operation, and according to the vibration intensity, a grey prediction model is established by use of grey system theory.
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