论文:2015,Vol:33,Issue(2):290-294
引用本文:
陈绍炜, 柳光峰, 冶帅. 基于核极限学习机的模拟电路故障诊断研究[J]. 西北工业大学学报
Chen Shaowei, Liu Guangfeng, Ye Shuai. A Method of Fault Diagnosis for Analog Circuit Based on KELM[J]. Northwestern polytechnical university

基于核极限学习机的模拟电路故障诊断研究
陈绍炜, 柳光峰, 冶帅
西北工业大学电子信息学院, 陕西西安 710072
摘要:
核函数极限学习机有效地避免了极限学习机(ELM)模型固有的随机性和支持向量机(SVM)模型求解的复杂性,而且具有更快的学习速度和更好的泛化性能。因此,提出了基于核极限学习机的模拟电路故障诊断新方法,描述了电路故障特征的选取过程,建立了以核极限学习机为基础的模拟电路故障诊断模型。实验结果表明,该方法故障诊断准确率大于99%,性能优于支持向量机和极限学习机。
关键词:    模拟电路    故障诊断    支持向量机    核函数    核极限学习机   
A Method of Fault Diagnosis for Analog Circuit Based on KELM
Chen Shaowei, Liu Guangfeng, Ye Shuai
Department of Electronics Engineering, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
The KELM algorithm with the characteristic of fast learning speed and strong generalization is used to construct soft sensor models; this overcomes the randomization of ELM and the complexity solution process of SVM. So a new method for analog circuit fault diagnosis based on kernel extreme learning machine (KELM) algorithm is proposed in this paper. The method for extracting the fault signatures of the circuit under test is proposed and the analog circuit fault diagnosis model based on KELM is established. The simulation results and their analysis testify preliminarily that the proposed approach for analog circuit fault diagnosis achieves excellent performance, obtaining a fault diagnosis accuracy rate of greater than 99%.
Key words:    analog circuits    fault diagnosis    kernel function    KELM (Kernel extreme learning machine)   
收稿日期: 2014-09-25     修回日期:
DOI:
基金项目: 航空科学基金(2012ZD53051)资助
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作者简介: 陈绍炜(1970-),西北工业大学副教授,主要从事数据与计算机通信和嵌入式开发的研究。
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