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相关实验视频

Updated: May 29, 2025

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基于波形变换和免疫遗传算法的结构边缘损伤检测.

Jianwei Zhao1, Zhuo Zhou1, Deqing Guan2,3

  • 1Department of Civil Engineering, Changsha University of Science and Technology, Changsha, Hunan, China.

Scientific reports
|February 5, 2025
PubMed
概括
此摘要是机器生成的。

本研究引入了一种使用波形变换 (WT) 和免疫遗传算法的新两阶段方法,以准确检测和评估结构边缘损伤,克服传统智能算法的局限性.

关键词:
边缘效应 边缘效应 边缘效应配套的延伸件 配套的延伸件免疫遗传的免疫基因.智能算法是一种智能算法.波段变换的波段变换是什么

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科学领域:

  • 结构健康监测 结构健康监测
  • 振动分析 振动分析
  • 计算力学 计算力学 计算力学

背景情况:

  • 波形变换 (WT) 是有效的损坏检测在结构应变模式.
  • 边缘效应在WT中模糊了结构边缘的损伤识别.
  • 损害严重程度评估的智能算法遭受过早的融合和局部最佳状态的影响.

研究的目的:

  • 开发一种可靠的方法来定位和评估结构中的边缘损伤.
  • 为了减轻波波变换分析中的边缘效应.
  • 提高智能算法在损坏严重程度识别中的性能.

主要方法:

  • 使用了WT,配备了振动信号的配套延伸,以解决损坏位置的边缘效应.
  • 采用一种免疫遗传算法,将遗传和免疫原则结合起来,用于损伤严重程度的识别.
  • 通过有限元模拟和对梁和框架的实验振动测试验证了两阶段方法.

主要成果:

  • 提出的方法准确地描述了边缘损伤的特征.
  • 在结构分析中证明了对噪声的强度.
  • 在检测边缘损伤方面表现出高灵敏度,性能优于传统方法.

结论:

  • 综合波形变换和免疫遗传算法方法有效地克服了边缘损伤检测和严重性评估的局限性.
  • 这种方法在结构健康监测中提供了显著的进步,用于识别微妙的结构损伤.