Abnormal vibration and external impact are critical issues to mechanical structures as they can sometimes cause fatigue or even failure. An Eccentric Triboelectric Nanosensor (Ec-TENS) model has been proposed in our previous study to monitor these abnormal events, but specifically for an instant external impact. However, in many real life scenarios, low frequency vibration is more prevalent. Therefore, in this paper, the properties of Ec-TENS under a continuous low frequency vibration mode are investigated to enrich the theoretical principle of the previous sensor in this new mode, and the output performance at larger horizontal velocity range is illustrated by experiments. Firstly, the mathematical model of Ec-TENS is rebuilt under a continuous low frequency vibration mode, which demonstrates the horizontal velocity threshold for continuous rotation of Ec-TENS. According to the mathematical model, a series of prototypes has been fabricated and tested. The experimental results verify that the relationship between the rotor rotation angle and the external horizontal velocity is affected by the rotor radius and the rotor edge counterweight. In addition, it can be used for energy harvesting under low frequency periodic vibration according to the repeatability test.

异常的振动和外部冲击是机械结构的关键问题，因为它们有时会引起疲劳甚至失效。在我们先前的研究中，已经提出了一种偏心摩擦电纳米传感器（Ec-TENS）模型来监视这些异常事件，但专门用于即时外部影响。但是，在许多现实生活中，低频振动更为普遍。因此，本文研究了连续低频振动模式下Ec-TENS的特性，以丰富这种新模式下以前传感器的理论原理，并通过实验说明了在较大水平速度范围内的输出性能。首先，在连续低频振动模式下重建Ec-TENS的数学模型，演示了Ec-TENS连续旋转的水平速度阈值。根据数学模型，已经制造并测试了一系列原型。实验结果证明，转子转角与外部水平速度之间的关系受转子半径和转子边缘配重的影响。此外，根据重复性测试，它可用于低频周期性振动下的能量收集。