结构健康监测系统的性能评价通过检测技术的概率应用到全尺寸复合机翼零件

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Bernardino Galasso¹, Monica Ciminello¹, Gianvito Apuleo²

¹Adaptive Structures Division, The Italian Aerospace Research Centre (CIRA), 81043 Capua, Italy.

Sensors (Basel, Switzerland)

|August 29, 2024

概括

本研究估计了结构健康监测 (SHM) 系统的可靠性,用于复合备件,使用检测概率 (POD) 分析. 这些发现旨在增强用于航空航天结构粘合质量评估的SHM策略.

科学领域:

航空航天工程航空航天工程
材料科学材料科学材料科学
结构健康监测结构健康监测

背景情况:

检测概率 (POD) 对于评估检测系统至关重要.
结构健康监测 (SHM) 系统是用于综合缺陷识别的先进的非破坏性评估 (NDE) 技术.
评估复合结构中的粘合线质量对于结构完整性至关重要.

研究的目的:

为了估计SHM系统的可靠性,以评估复合 spar. 的粘合线质量.
使用检测概率 (POD) 分析来评估SHM系统性能.
改进目前用于航空航天应用中的粘合分析的SHM策略.

主要方法:

通过实验数据验证的有限元 (FE) 模型被用于模拟损伤.
分布式光纤被部署用于检测菌株,数据由专有算法处理.
分析了各种负载下的数值数据,以评估SHM系统检测模拟不连续性的能力.

主要成果:

该SHM系统展示了在揭示复合 spar. 内部建模的物理不连续性的能力.
在POD分析中,对全球SHM系统的绩效进行了估计,用于债券评估.
该研究确定了SHM系统在特定负载条件下的亲密行为.

结论:

检测概率 (POD) 分析对于评估复合结构中SHM系统的可靠性是有效的.
这些发现有助于改进用于粘合分析的SHM策略,特别是用于航空航天应用.
这项研究促进了综合性SHM用于结构完整性监测的理解和应用.

关键词:

在FE模拟的FE模拟中.航空复合结构航空复合结构释放债券是什么意思检测的概率检测的概率.结构健康监测结构健康监测

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