Specialised aperiodic excitation and wavelet transform improves analogue fault diagnosis

被引：4
|
作者：
Chruszczyk, Lukas [1 ]
Rutkowski, Jerzy [1 ]
机构：
[1] Silesian Tech Univ, Inst Elect, Gliwice, Poland
来源：
2009 EUROPEAN CONFERENCE ON CIRCUIT THEORY AND DESIGN, VOLS 1 AND 2 | 2009年
关键词：
fault diagnosis; fault detection; parametric faults; wavelet transform; genetic algorithm; analogue electronics;
D O I：
10.1109/ECCTD.2009.5275064
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This article describes method of designing specialised aperiodic excitation signal in time domain. Purpose is enhancement of fault diagnosis of analogue electronic circuits. There are investigated single parametric (soft) faults. Additionally, a wavelet transform has been applied for further improvement. A genetic algorithm has been utilised as an optimisation technique. Obtained results are compared with efficiency of fault diagnosis with basic aperiodic excitations: Dirac pulse, unit step and linear function.
引用
收藏
页码：655 / 658
页数：4
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