在结构健康监测中以变压器为基础的传感器异常检测
Dong Hu1,2, Yizhou Lin1,2, Shilong Li1,2
1School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China.
Sensors (Basel, Switzerland)
|August 28, 2025
概括
这项研究引入了用于结构健康监测 (SHM) 的传感器异常检测的新型层次注意力转换器 (HAT). 它有效地识别桥梁传感器数据中的异常,高于传统方法的准确性和稳定性.
科学领域:
- 工程
- 计算机科学
- 数据科学
背景情况:
- 结构健康监测 (SHM) 依赖于传感器数据进行持续的完整性评估.
- 传感器异常常常是由外部因素造成的,降低了SHM系统的有效性.
- 现有的异常检测方法与大数据集,长期依赖和阶级不平衡作斗争.
研究的目的:
- 开发一种先进的SHM传感器异常检测方法.
- 解决传统异常检测技术的局限性.
- 提高SHM系统的准确性和稳定性.
主要方法:
- 介绍一个层次化的注意力转换器 (HAT) 模型.
- 使用局部和全球转换器编码器的层次时间建模.
- 在一个大型吊桥的真实数据集上进行评估.
主要成果:
- 在传感器异常检测中, HAT 实现了 96.3% 的准确性.
- 经过有限的标记数据 (20%) 证明了优越的稳定性和性能.
- 超越了卷积神经网络 (CNN),长期记忆 (LSTM) 和反复神经网络 (RNN).
结论:
- 提出的HAT方法为SHM中异常检测提供了实用和有效的解决方案.
- 它具有快速的融合和强大的泛化能力.
- 这种方法提高了结构性健康监测系统的可靠性.
相关概念视频
Pulse rhythm
1.7K
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
1.7K
Errors occurring during blood pressure monitoring
1.6K
Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
Several factors...
1.6K
Holter Monitor: 24-Hour Monitoring
5.8K
Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
5.8K


