浅析国内基于红外技术的电路板故障检测方法

Analysis of Domestic Circuit Board Fault Detection Technology Based on Infrared Technology

基于红外技术的电路板故障检测方法是一种全新的非接触式故障检测方法。结合电路板故障红外检测的基本组成要素,介绍了各种相关技术的基本知识和国内的研究情况。着重分析了红外信息提取过程中存在的一些不确定因素,提出了在状态识别中用支持向量机完成电路板故障红外智能诊断的方法。通过分析已有的研制成果,阐述了当前基于红外技术的电路板故障检测仪在实际应用过程中存在的不足,为电路板故障红外诊断技术的深入研究指出了关键点。

The circuit board fault detection method based on an infrared technology is a new noncontact detection method.According to the basic elements of infrared circuit board fault detection,the basic knowledge of various related technologies and the research status in China are presented.Some uncertain factors in infrared information extraction are analyzed.The method in which a support vector machine is used to implement infrared intelligent diagnosis of circuit board faults is proposed.Through analysis of the existing research achievements,the shortages of the current infrared circuit board fault detectors used in practical applications are described and the key points are pointed out for the further study of infrared circuit board fault diagnosis.