南昌航空大学飞行器工程学院
纸质出版:2023
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王渊德, 毛崎波, 黄仕卓. 传感元件损伤与脱层对阵列式压电模态传感器的影响[J]. 传感器与微系统, 2023,(1):59-63.
王渊德, 毛崎波, 黄仕卓. 传感元件损伤与脱层对阵列式压电模态传感器的影响[J]. 传感器与微系统, 2023,(1):59-63. DOI: 10.13873/J.1000-9787(2023)01-0059-05.
通过实验模拟压电传感器阵列在工作中易出现的传感元件破裂和脱粘损伤,探究传感元件损伤和脱粘对阵列式压电模态传感器输出的影响。在固支梁表面均匀布置一组圆形的锆钛酸铅压电陶瓷(PZT)片,将实验曲率模态作为加权系数设计阵列式压电模态传感器。对比研究模态传感器的输出在传感元件损伤前后的变化。实验结果表明:当不同位置的PZT出现不同程度的破裂时,阵列式压电模态传感器仍有很好的滤波效果;而当传感元件脱粘时,某些阶的模态传感器无法正常工作,这与传感元件的脱粘程度以及脱粘位置有关。
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