基于哈夫式摩擦电传感器的拉索索力监测技术

doi:10.16411/j.cnki.issn1006-7736.2025.03.014

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大连海事大学学报 ›› 2025, Vol. 51 ›› Issue (3) : 131-137. DOI: 10.16411/j.cnki.issn1006-7736.2025.03.014

基于哈夫式摩擦电传感器的拉索索力监测技术

陈昱鹏¹，苏宗琛²，苏琦¹，金昊²，徐鹏³，王昊^*2

作者信息 +

Cable tension monitoring technology based on HALF triboelectric nanogenerators

CHEN Yupeng¹, SU Zongchen², SU Qi¹, JIN Hao², XU Peng³, WANG Hao^*2

Author information +

文章历史 +

摘要

拉索索力监测直接关系到桥梁运营期的结构安全。为此，提出一种基于摩擦纳米发电的哈夫式拉索索力传感器(HCTS)，其内部感知单元主要由两对导电织物和一对环形硅胶片组成。在外部激励下，狭窄空间中的环形硅胶片产生径向振动，与两侧导电织物发生接触分离进而输出电信号。结合信号傅里叶变换方法和弦振动张拉理论，可准确估算拉索索力。对比标准电磁法，HCTS最大误差不超过9%，表明HCTS可实现拉索索力表征。

Abstract

Cable is a kind of steel cable used to stabilize steel structural members, which is widely used in large bridges such as cable-stayed bridges and suspension bridges, and long-term monitoring of cable tension is crucial to ensure the safety and stability of bridges. This paper proposes a half-type cable tension sensor (HCTS) based on Triboelectric Nanogenerators, where the sensing unit consists of two pairs of conductive fabrics and a pair of silicone films. The silicone films under external excitation generate radial vibrations in the narrow space. This leads to contact and separation between the conductive fabrics and silicone films, thereby producing an electrical signal. By combining Fourier transform signal processing and taut string theory, the cable tensions can be accurately estimated. Compared with the standard cable tensions measured by magnetic flux method, the maximum error of HCTS does not exceed 9%, indicating that HCTS can achieve characterization of cable tensions. Therefore, the HCTS-based cable tension monitoring system holds significant potential for engineering applications.

导出引用

陈昱鹏, 苏宗琛, 苏琦, 金昊, 徐鹏, 王昊. 基于哈夫式摩擦电传感器的拉索索力监测技术[J]. 大连海事大学学报. 2025, 51(3): 131-137 https://doi.org/10.16411/j.cnki.issn1006-7736.2025.03.014

CHEN Yupeng, SU Zongchen, SU Qi, JIN Hao, XU Peng, WANG Hao. Cable tension monitoring technology based on HALF triboelectric nanogenerators[J]. Journal of Dalian Maritime University. 2025, 51(3): 131-137 https://doi.org/10.16411/j.cnki.issn1006-7736.2025.03.014

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