Sensor placement optimization for composite aircraft structures: A multi-objective Kriging-based approach

IF 6.3 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composite Structures Pub Date : 2024-11-23 DOI:10.1016/j.compstruct.2024.118723

Felipe Martarella de Souza Mello, Guilherme Ferreira Gomes

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引用次数: 0

Abstract

Efficient sensor placement is critical for optimizing structural health monitoring (SHM) systems, particularly for composite aircraft structures. The challenge lies in determining the optimal number and positions of sensors to balance monitoring accuracy with resource efficiency. This study proposes a novel multi-objective optimization methodology that integrates Kriging interpolation for mode shape reconstruction with the Lichtenberg algorithm for sensor placement optimization. The approach minimizes the number of sensors while maximizing signal quality and minimizing interpolation error. The methodology is validated on both composite plates and the main rotor blade of an AS-350 helicopter using finite element modal analysis data. The results demonstrate significant reductions in the number of sensors required while maintaining high accuracy in capturing the structure’s dynamic response, showing the effectiveness of the proposed method for SHM applications in complex composite structures.

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复合材料飞机结构的传感器布置优化：基于克里金法的多目标方法

高效的传感器布置对于优化结构健康监测（SHM）系统，尤其是复合材料飞机结构至关重要。挑战在于确定传感器的最佳数量和位置，以平衡监测精度和资源效率。本研究提出了一种新颖的多目标优化方法，将用于模态形状重建的克里金插值法与用于传感器位置优化的利希滕贝格算法相结合。该方法可最大限度地减少传感器数量，同时最大限度地提高信号质量并减少插值误差。该方法使用有限元模态分析数据在 AS-350 直升机的复合板和主旋翼上进行了验证。结果表明，在保持高精度捕捉结构动态响应的同时，所需的传感器数量大幅减少，显示了所提方法在复杂复合材料结构中 SHM 应用的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Composite Structures 工程技术-材料科学：复合

CiteScore

12.00

自引率

12.70%

发文量

1246

审稿时长

78 days

期刊介绍： The past few decades have seen outstanding advances in the use of composite materials in structural applications. There can be little doubt that, within engineering circles, composites have revolutionised traditional design concepts and made possible an unparalleled range of new and exciting possibilities as viable materials for construction. Composite Structures, an International Journal, disseminates knowledge between users, manufacturers, designers and researchers involved in structures or structural components manufactured using composite materials. The journal publishes papers which contribute to knowledge in the use of composite materials in engineering structures. Papers deal with design, research and development studies, experimental investigations, theoretical analysis and fabrication techniques relevant to the application of composites in load-bearing components for assemblies, ranging from individual components such as plates and shells to complete composite structures.