Impact localization of composite laminates based on weight function compensation localization algorithm of thin film sensors

IF 4.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Smart and Nano Materials Pub Date : 2023-03-09 DOI:10.1080/19475411.2023.2184880

Ying Wang, Hongmei Li, Shaowei Lu, Xingmin Liu, W. Li, Xiaoqiang Wang, Lu Zhang, Qingxuan Wang

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引用次数: 1

Abstract

ABSTRACT Composite structures are sensitive to impact damage in practical engineering. Electric resistance change method (ERCM) is an ideal technique for damage monitoring of composite structures. Due to the anisotropy of fiber-resin matrix composites, impact location monitoring is difficult, and research on impact location of fiber composite laminates (FRPs) is limited. A preparation method of MXene/CNT/CuNps thin film sensor is proposed. According to the modeling simulation and theoretical calculation, the resistance change characteristics of the thin film sensor are obtained, the relationship between the impact distance and the resistance change is established, and the sensor array is designed. A three-point localization algorithm and a weight function compensation localization algorithm are proposed, which can improve the imaging accuracy of the impact position. The impact point location was observed and analyzed using ultrasonic C-scan technology. The results show that the weight function compensation positioning algorithm can accurately locate the impact of the composite structure, and the error in the X direction is 7.1%, the error in the Y direction is 0.03%, which verifies the effectiveness of the method. GRAPHICAL ABSTRACT

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基于薄膜传感器权函数补偿定位算法的复合材料层合板冲击定位

复合材料结构在实际工程中对冲击损伤非常敏感。电阻变化法(ERCM)是一种理想的复合材料结构损伤监测技术。由于纤维-树脂基复合材料的各向异性，冲击定位监测困难，纤维复合材料层合板的冲击定位研究有限。提出了一种MXene/CNT/CuNps薄膜传感器的制备方法。根据建模仿真和理论计算，获得了薄膜传感器的电阻变化特性，建立了冲击距离与电阻变化的关系，设计了传感器阵列。提出了三点定位算法和权函数补偿定位算法，提高了冲击位置的成像精度。采用超声c扫描技术对弹着点位置进行观察和分析。结果表明，权函数补偿定位算法能够准确定位复合结构的冲击点，X方向误差为7.1%，Y方向误差为0.03%，验证了该方法的有效性。图形抽象

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来源期刊

International Journal of Smart and Nano Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.30

自引率

5.10%

发文量

审稿时长

11 weeks

期刊介绍： The central aim of International Journal of Smart and Nano Materials is to publish original results, critical reviews, technical discussion, and book reviews related to this compelling research field: smart and nano materials, and their applications. The papers published in this journal will provide cutting edge information and instructive research guidance, encouraging more scientists to make their contribution to this dynamic research field.