Vibration-based Structural Health Monitoring System for Bridges using ADXL345 Accelerometer with MATLAB Standalone Application

2020 IEEE 12th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management (HNICEM) Pub Date : 2020-12-03 DOI:10.1109/HNICEM51456.2020.9400068

Rolando Dll. De La Torre, Garnet Amor E. Pasobillo, Maricris F. Rebueno, Donnabel P. Suñga, Bennyvic Joyce J. Esguerra, Ronnie S. Concepcion

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引用次数: 3

Abstract

The study designed a Vibration-based Structural Health Monitoring (VBSHM) using ADXL345 accelerometer with a wireless sensor network using radio frequency module to detect crack and monitor status of bridge in order to prevent catastrophic failures. A microcontroller ATmega2560 Arduino controls the activities of the system and a real time clock module was added for time synchronization. MATLAB standalone application was built for analyzation and data recording. The researchers used three sensor nodes as the primary device of the system and base station for data monitoring. To test the functionality and reliability of the system, the researchers used three miniature bridges. At 100 hertz the bridges were tested under two factors, the intensity of crack and strength of vibration. A two-way ANOVA was used to analyze the effect of the factors on the readings of the system. The output shows intensities of crack and strength of vibration has a significant effect on the readings.

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基于ADXL345加速度计的桥梁结构振动健康监测系统

本研究设计了一种基于振动的结构健康监测系统(VBSHM)，该系统采用ADXL345加速度计和无线传感器网络，采用射频模块检测桥梁的裂缝和状态，以防止灾难性的故障。微控制器ATmega2560 Arduino控制系统的活动，并添加实时时钟模块进行时间同步。建立了MATLAB独立应用程序，用于分析和数据记录。研究人员使用三个传感器节点作为系统的主要设备，并使用基站进行数据监控。为了测试该系统的功能和可靠性，研究人员使用了三座微型桥梁。在100赫兹下，对桥梁进行了裂纹强度和振动强度两个因素的测试。采用双向方差分析分析各因素对系统读数的影响。输出结果表明，裂纹强度和振动强度对读数有显著影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2020 IEEE 12th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management (HNICEM)

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