基于不同金属长度的可靠性评估的概念验证研究,用于机电阻抗技术的压电传感器
Lukesh Parida1, Sumedha Moharana2, Romeu Vicente3
1Department of Civil Engineering, Shiv Nadar Institution of Eminence, Dadri, Uttar Pradesh, 201314, India.
Scientific reports
|January 6, 2024
概括
基于金属片的皮埃佐传感器 (MFBPS) 为结构健康监测 (SHM) 提供了可重复使用的替代方案. 这项研究发现,500毫米的薄膜长度显著提高了民用基础设施电机阻抗 (EMI) 测量的可重复性.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 机械工程 机械工程
背景情况:
- 酸酸 (PZT) 补丁由于其传感能力和成本效益,在结构健康监测 (SHM) 中很受欢迎.
- 然而,在复杂的几何形状和曲的表面上安装PZT补丁,如管状结构,对强大的粘合构成了挑战.
- 非结合式和可重复使用的传感器配置对SHM越来越感兴趣,以克服安装困难.
研究的目的:
- 这项研究调查了使用非结合传感器配置的电机阻抗 (EMI) 测量的可重复性和可重复性:金属基皮色传感器 (MFBPS).
- 它批判性地讨论了MFBPS的概念,应用和适用于基于阻抗的民用基础设施监控的适用性.
- 这项研究旨在为在SHM中使用MFBPS提供可靠的参考.
主要方法:
- 这项研究评估了MFBPS长度对压联接入口签名的影响.
- 使用ANOVA和GageR&R分析等统计工具评估了EMI测量的可重复性和可重复性.
- 统计指数CCDM被用来量化阻抗信号的偏差.
主要成果:
- 发现MFBPS的长度会影响压联接的入口签名.
- 统计分析证实了金属长度对测量可靠性的影响.
- 在500毫米的金属长度下,EMI测量的可重复性得到了改善.
结论:
- MFBPS为SHM应用提供了一个可行的非绑定和可重复使用的传感器选项.
- 500毫米的金属长被认为是提高EMI测量的可重复性最佳的.
- 这项研究为确保MFBPS在民用基础设施阻抗式SHM技术中的可靠性提供了有价值的见解.
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