一种用于机械零件振动无损检测的新型射频辅助频闪系统
A Novel RF-assisted-Strobe System for Unobtrusive Vibration Detection of Machine Parts
摘要：
在本文中，我们提出了一种新的非接触式振动测量系统，是主管估计线性和/或旋转运动的机器零件。该技术结合了微波雷达，标准相机和光学频闪，与当前技术相比，以相对快速和负担得起的方式捕获振动或旋转运动。特别地，所提出的技术不仅能够测量常见的振动参数（例如，频率、电机转速等），而且还提供了振动源的空间信息，从而可以准确地识别每个振动点的原点。此外，它还可以捕获旋转轴的摆动运动。因此，所提出的方法可以在各种行业的预防性维护中找到巨大的应用，其中需要对重型机械进行不显眼的监控，或者需要对任何机器检测应用进行非接触式多点振动测量。
英文摘要：
In this paper, we propose a novel non-contact vibration measurement system that is competent in estimating linear and/or rotational motions of machine parts. The technique combines microwave radar, standard camera, and optical strobe to capture vibrational or rotational motions in a relatively fast and affordable manner when compared to the current technologies. In particular, the proposed technique is capable of not only measuring common vibrational parameters (e.g. frequency, motor rpm, etc.) but also provides spatial information of the vibrational sources so that the origin of each vibrational point can be identified accurately. Furthermore, it can also capture the wobbling motion of the rotating shafts. Thus, the proposed method can find immense applications in preventive maintenance across various industries where heavy machinery needs to be monitored unobtrusively or there is a requirement for non-contact multi-point vibration measurement for any machine inspection applications.
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