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Design and development of virtual instrument for fault diagnosis in fractal antenna array

机译:分形天线阵列故障诊断虚拟仪器的设计与开发

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This paper deals with the development of a virtual instrument for fault diagnosisin fractal antenna array using Lab-VIEW software. Faults in antenna arrayare considered on the basis of the radiation pattern. In this study, theta andgain values of radiation patterns for each fault are used in Lab-VIEW for curvefitting. An artificial neural network (ANN) has been developed for fitted datapoints using the Leavenberg Marquard algorithm in MATLAB software andmean square error (MSE) is minimized. The designed ANN model has beenembedded in the virtual instrument. The proposed virtual instrument systemgets test patterns as input and generates output for several faults present inantenna array. Simulated and measured results of the fractal antenna array arevalidated experimentally. This virtual instrument model has not been developedfor fractal antenna array so far.
机译:本文利用Lab-VIEW软件开发了用于分形天线阵列故障诊断的虚拟仪器。根据辐射方向图考虑天线阵列中的故障。在这项研究中,每个断层的辐射方向图的θ和增益值在Lab-VIEW中用于曲线拟合。使用MATLAB软件中的Leavenberg Marquard算法为拟合的数据点开发了一个人工神经网络(ANN),并且最小化了均方误差(MSE)。设计的人工神经网络模型已嵌入到虚拟仪器中。拟议的虚拟仪器系统将测试模式作为输入,并为天线阵列中存在的若干故障生成输出。分形天线阵列的仿真和测量结果经过实验验证。到目前为止,尚未针对分形天线阵列开发此虚拟仪器模型。

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