使用距离分析和证据理论对复合板材板材的基于Lamb波的损坏融合检测
Li Wang1,2, Guoqiang Liu2, Xiaguang Wang2
1State Key Laboratory of Mechanics and Control of Aerospace Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
Sensors (Basel, Switzerland)
|September 27, 2025
概括
这项研究引入了复合板材板块的新型聚变检测方法,提高了损害评估的准确性. 该技术结合了距离分析和证据理论,克服了传统单特征Lamb波方法的局限性.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 结构健康监测 结构健康监测
背景情况:
- 基于Lamb波的方法对复合材料损坏检测具有前景.
- 使用单个信号特征的传统方法在灵敏度和检测能力方面存在局限性.
- 损害监测信息的不一致性阻碍了准确的复合影响故障评估.
研究的目的:
- 为复合板材板块提出一种聚变损伤检测方法.
- 通过整合多个信号特征来提高损坏检测的准确性和可靠性.
- 解决复合结构健康监测中基于单个特征的方法的局限性.
主要方法:
- 从时间频域提取多维信号特征.
- 使用关联和集群分析来识别高度敏感的特征.
- 使用距离分析和获取基本概率赋值 (BPA) 进行损害检测.
- 使用证据理论,在决策层面融合检测结果.
主要成果:
- 精确识别复合板中的分层损伤 (不同位置和区域).
- 实现了超过85%的分类准确度.
- 保持错误报警率低于25%,失踪报警率低于15%.
结论:
- 拟议的融合检测方法有效地克服了传统方法的局限性.
- 基于证据理论的融合增强了基于Lamb波的损害检测的可靠性.
- 该方法显示了对可靠的复合影响故障评估的巨大潜力.
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