压电与声光, 2022, 44 (6): 854, 网络出版: 2023-01-27  

基于超声导波的CFRP板结冰探测系统

CFRP Plate Icing Detection System Based on Ultrasonic Guided Waves
作者单位
1 南京航空航天大学 自动化学院, 江苏 南京 211106
2 中国空气动力研究与发展中心 结冰与防除冰重点实验室,四川 绵阳 621000
3 南京铁道职业技术学院, 江苏 南京 210031
摘要
针对航空复合材料的结冰探测, 该文提出了基于超声导波技术的解决方案, 采用转移矩阵法建立了层状结构波导模型, 绘制了相速度和群速度频散曲线, 分析了超声导波在碳纤维增强复合材料板中的传播特性。在此基础上, 基于现场可编程逻辑门阵列设计了由信号源和接收机组成的硬件电路, 结合恒温箱搭建了结冰探测系统及其实验环境。通过测量回波信号波包相对时延的方式, 验证了超声导波结冰探测方案的可行性, 为飞机结冰探测领域提供了新思路。
Abstract
For the ice detection of aerospace composite materials, a solution based on ultrasonic guided waves technology is proposed in this paper. The layered structure waveguide model is established by using the transfer matrix method, the dispersion curves of the phase velocity and group velocity are drawn, and the propagation characteristics of ultrasonic guided waves in the carbon fiber reinforced polymer (CFRP) plate are analyzed.On this basis, the hardware circuit composed of signal source and receiver is designed based on the field programmable gate array.The ice detection system and its experimental environment are set up in combination with the thermotank. By measuring the relative time delay of the echo signal wave packet, the feasibility of the ultrasonic guided waves ice detection scheme is verified, which provides a new idea for the field of aircraft ice detection.
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代重阳, 陈智军, 王春涛, 徐君, 郭瑞鹏, 钟雪燕. 基于超声导波的CFRP板结冰探测系统[J]. 压电与声光, 2022, 44(6): 854. DAI Chongyang, CHEN Zhijun, WANG Chuntao, XU Jun, GUO Ruipeng, ZHONG Xueyan. CFRP Plate Icing Detection System Based on Ultrasonic Guided Waves[J]. Piezoelectrics & Acoustooptics, 2022, 44(6): 854.

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