Fault Diagnosis for Analogy Circuits Based on Support Vector Machines

Yunian Gu, Zhifeng Hu, Tao Liu
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Abstract

When it is hard to obtain training samples, the fault classifier based on support vector machine (SVM) can diagnose faults with high accuracy. It can easily be generalized and put to practical use. In this paper, a fault classifier based on support vector machine (SVM) is proposed for analog circuits. It can classify the faults in the target circuit effectively and accurately. In order to test the algorithm, an analog circuit fault diagnosis system based on SVM is designed for the measurement circuit that approximates the square curve with a broken line. After being trained with practical measurement data, the system is shown to be capable of diagnosing faults hidden in real measurement data accurately. Therefore, the effectiveness of the algorithm is verified.
基于支持向量机的类比电路故障诊断
在训练样本难以获取的情况下,基于支持向量机(SVM)的故障分类器能够以较高的准确率进行故障诊断。它易于推广和实际应用。本文提出了一种基于支持向量机的模拟电路故障分类器。它能有效、准确地对目标电路中的故障进行分类。为了对该算法进行测试,设计了一种基于支持向量机的模拟电路故障诊断系统,该系统以一条折线近似于方形曲线的测量电路为例。经过实际测量数据的训练,该系统能够准确地诊断出隐藏在实际测量数据中的故障。从而验证了该算法的有效性。
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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