通过使用机器学习预测分层,对飞机的结构健康状况进行监测
Rajeswari D1, Osamah Ibrahim Khalaf2, Srinivasan R3
1Department of Data Science and Business Systems, School of Computing, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamilnadu, India.
PeerJ. Computer science
|April 25, 2024
概括
这项研究增强了使用整体机器学习进行分层预测的飞机结构健康监测 (SHM). 开发的堆叠组合模型显著提高了准确性,减少了昂贵的结构故障.
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
- 计算科学 计算科学
背景情况:
- 结构健康监测 (SHM) 对航空航天安全至关重要,可以防止灾难性故障并降低成本.
- 目前的SHM方法需要有效的自动化技术来进行实时结构评估.
- 之前的数据集在SHM分析中获得了0.95 R2分.
研究的目的:
- 开发一种自动化SHM技术,以改善飞机结构中的分层预测.
- 提高结构性健康监测系统的准确性和可靠性.
- 解决有效监测和报告飞机结构完整性的需要.
主要方法:
- 采用一个堆叠组合方法,结合支持向量机 (SVM),额外树,梯度提升,AdaBoost和决策树算法.
- 应用这些机器学习技术来预测飞机部件中的分层.
- 使用一个数据集,以前达到0.95R2得分.
主要成果:
- 堆叠组合模型实现了卓越的性能,旧优惠券的R2得分为0.975和RMSE为0.023.
- 对于新的优惠券,该车型的R2得分为0.928和RMSE为0.053.
- 在R2得分和根平均平方误差 (RMSE) 中显著改善和减少.
结论:
- 堆叠组合方法为飞机中自动化分层预测提供了一个非常有效的解决方案.
- 与单个算法相比,这种方法显著提高了结构性健康监测的准确性.
- 通过改进的SHM,这些发现有助于更安全,更具成本效益的航空航天制造和设计.
更多相关视频
相关概念视频
Yield Criteria for Ductile Materials under Plane Stress
160
In designing structural elements and machine parts using ductile materials, it is crucial to ensure that these components withstand applied stresses without yielding. Yielding is initially determined through a tensile test, which evaluates the material's response to uniaxial stress. However, tensile stress is insufficient when components face biaxial or plane stress conditions This condition requires advanced criteria to predict failure.
The Maximum Shearing Stress Criterion, also known as...
The Maximum Shearing Stress Criterion, also known as...
160
Lift
117
Lift is a fundamental aerodynamic force that acts perpendicular to the direction of airflow. It plays a central role in achieving and sustaining flight and in stabilizing various vehicles. Lift primarily originates from pressure differences created across surfaces, such as an airfoil. A lower pressure region forms above the wing, while a higher pressure region forms below it, generating an upward force. This differential results from the shape and orientation of the airfoil, enabling the wing...
117


