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同轴电缆分布式应变传感:方法,应用和挑战
Stephanie King1,2, Gbanaibolou Jombo2, Oluyomi Simpson2
13-Sci Limited, Hampshire PO13 9FU, UK.
Sensors (Basel, Switzerland)
|February 13, 2025
概括
同轴电缆分布式应变传感器为结构健康监测提供了脆弱光纤的强大替代方案. 这些传感器在恶劣环境中提供可靠的应变数据,克服了当前技术的局限性.
科学领域:
- 工程 工程师 工程师 工程师
- 材料科学 材料科学 材料科学
- 传感器技术 传感器技术
背景情况:
- 分布式应变传感对于关键基础设施的现场结构健康监测至关重要.
- 光纤传感器广泛使用,但在高应变应用中受到纤维脆弱性的限制.
- 同轴电缆传感器是一个强大的替代品,能够承受更高的应变事件和恶劣环境.
研究的目的:
- 介绍同轴电缆分布式应变传感器方法的发展.
- 探索时间域反射测量和频域反射测量方法用于同轴电缆传感.
- 确定和讨论这一领域的关键研究挑战和未来方向.
主要方法:
- 探索时间域反射计 (TDR) 和频域反射计 (FDR) 用于同轴电缆分布式应变传感.
- 对现有方法的审查和同轴电缆结构的适应,以实现分布式传感.
- 确定挑战,包括应变/温度解卷和介电电容效应.
主要成果:
- 同轴电缆传感器在苛刻的条件下显示出强大的分布式应变传感潜力.
- TDR和FDR被确定为同轴电缆分布式应变传感的主要方法.
- 关键的挑战包括对环境影响的准确分解和制造的稳定性.
结论:
- 同轴电缆分布式应变传感器为结构健康监测提供了一个有希望的,有弹性的解决方案.
- 需要进一步的研究来应对测量准确性和数据分析方面的挑战.
- 数据驱动技术的进步对于优化传感器性能和可靠性至关重要.
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