基于图像纹理特征的线路覆冰重量估计研究
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1.三峡大学电气与新能源学院 宜昌 443000; 2.国网湖北省电力有限公司宜昌供电公司 宜昌 443000

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TM751

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国家自然科学基金(51907104)项目资助


Research on estimation of line icing weight based on image texture features
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1.College of Electrical Engineering & New Energy, Three Gorges University, Yichang 443000, China; 2.State Grid Hubei Electric Power Co., Yichang Power Supply Company, Yichang 443000, China

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    摘要:

    针对不同环境条件下形成的不同种类覆冰层会对输电线路造成不同程度威胁的问题,提出一种基于图像纹理特征的线路覆冰重量估计方法。首先对线路覆冰的纹理特征进行加权构成融合特征,结合空间邻域信息的FCM算法,实现对线路覆冰厚度的估计;而后计及气象因素对覆冰形成类型的影响,构建覆冰重量辨识模型。结果显示,在环境条件发生较大变化,生成的覆冰类型发生改变时,文中模型依然能够较为准确的估计覆冰重量,其平均绝对百分比误差仅为2.246%。

    Abstract:

    A method for estimating line ice cover weight based on image texture features is proposed to address the issue that different types of ice cover formed under different environmental conditions can pose different degrees of threat to transmission lines. The line ice cover texture features are first weighted to create a fusion feature, which is then combined with spatial neighborhood information to estimate the thickness of the line ice cover. Next, a weight recognition model is built while taking into account how meteorological factors affect the type of ice cover formation. The results demonstrate that even when the environmental conditions change significantly and the type of generated overburden changes, the model can still estimate the overburden weight more accurately with an average absolute percentage error of only 2.246%.

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舒征宇,沈佶源,李黄强,熊会林,李世春,张洋.基于图像纹理特征的线路覆冰重量估计研究[J].电子测量技术,2023,46(1):49-56

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  • 在线发布日期: 2024-03-11
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