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基于小波变换和形态学细化算法的真空电弧形态检测

, PP. 110-114

Keywords: 真空电弧,小波变换,形态检测,多尺度-细化

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Abstract:

真空开关电弧的形态特征是电弧特性的外在反映,与真空开关的分断能力直接相关。为了研究真空开关电弧燃弧过程及其形态特征,建立了真空电弧图像实验采集系统,通过高速CCD相机采集真空电弧燃烧过程图像。为了获得电弧形态的细节特征,基于小波变换及形态学细化算法对真空电弧图像进行了形态细节特征提取研究。主要通过电弧图像的分解与重构、多尺度边缘检测及多尺度-细化算法实现电弧图像的形态特征检测。对多尺度-细化算法实验结果与经典算子和多尺度边缘检测算法的检测结果进行了对比分析。结果表明,采用多尺度-细化边缘检测算法可得到更完整、更清晰的细节特征,为研究真空电弧的调控理论提供了技术基础。

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