基于边缘计算的管道振动感知系统设计与研究
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江苏方天电力技术有限公司 南京 211102

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TH113

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江苏方天电力技术有限公司自主立项科技项目(KJ202105)资助


Design and research of pipeline vibration perception system based on edge computing
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Jiangsu Frontier Electric Technology Co., Ltd.,Nanjing 211102, China

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    摘要:

    本研究旨在解决管道振动实时测量数据庞大、传输时延长以及计算资源浪费等问题。通过采用边缘计算理论,将数据计算步骤前置至设备附近,以加速状态监测感知速度,同时优化计算资源的利用。详细介绍了边缘计算感知系统的总体功能框架、设备硬件设计方法和振动信号转化算法。该系统包括边缘计算设备和数据集中设备两部分,前者布置在机械振源位置,实时分析处理大量冗余数据;后者通过无线信号与多台边缘计算设备通信,将汇总信息投影至运维终端。以调相机管道振动实验为例,本研究发现,基于边缘计算的结构振动感知技术能够准确识别管道在64、115和279 Hz时的异常振动现象。通过指导减振器的使用,最终将管道的最高振动幅值由068 m·s-1降低至00016 m·s-1,取得了显著的减振效果,充分展示了其工程实用价值。

    Abstract:

    The aim of this study is to address issues such as the large volume of realtime measurement data for pipeline vibrations, prolonged transmission delays, and wastage of computational resources. By adopting edge computing theory, the data processing steps are moved closer to the devices, thereby accelerating the speed of status monitoring and optimizing the utilization of computational resources. This study provides a detailed overview of the overall functional framework, hardware design methodology, and vibration signal conversion algorithm of the edge computing perception system. The system consists of two parts: edge computing devices and data aggregation devices. The former is positioned at mechanical vibration sources for realtime analysis and processing of extensive redundant data, while the latter communicate with multiple edge computing devices via wireless signals to project aggregated information to maintenance terminals. Using a phaseshifting camera pipeline vibration experiment as a case study, this research demonstrates that the structural vibration perception technology based on edge computing can accurately identify abnormal vibration phenomena in the pipeline at frequencies of 64 Hz, 115 Hz, and 279 Hz. By guiding the use of vibration dampers, the study achieved a significant reduction in the pipeline′s maximum vibration amplitude from 068 m·s-1 to 00016 m·s-1, showcasing its substantial engineering practical value.

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万瑜,林劭辰.基于边缘计算的管道振动感知系统设计与研究[J].电子测量技术,2023,46(18):6-15

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  • 在线发布日期: 2024-01-10
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