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目前,铁路绝缘子水冲洗车均采用人工操作,劳动环境差、冲洗效率低、造成水资源浪费。采用绝缘子自动冲洗是解决人工冲洗问题的有效途径,快速识别和定位绝缘子是实现自动冲洗的重要条件。在对现有绝缘子识别方法进行分析研究之后,提出了一种基于绝缘子颜色特征以及铁路绝缘子与接触网支架相对位置关系特征对图像进行识别的新方法,首先,在HSV颜色空间对其分量利用阀值分割去除大部分背景干扰,其次以支架为参照,将绝缘子的识别转换为支架的识别,最后根据铁路绝缘子与支架之间相对位置关系特征识别定位绝缘子。实验结果表明,该方法在准确识别和定位出铁路绝缘子的基础上,缩短定位时间,为下一步绝缘子实时跟踪提供保障。
At present, railway insulators water flushing vehicles are manually operated, poor working environment, low flushing efficiency, resulting in waste of water resources. The use of insulator automatic flushing is an effective way to solve the problem of artificial flushing. It is an important condition to realize automatic flushing to quickly identify and locate the insulator. After analyzing the existing insulator identification methods, a new method based on the color characteristics of the insulator and the relative position relationship between the railway insulator and the catenary support is proposed. Firstly, the HSV color space is used to identify the components of the insulator. Secondly, the identification of the insulator is converted to the identification of the support by reference to the support, and finally the locating insulator is identified according to the relative position relationship between the railway insulator and the support. Experimental results show that this method can shorten the positioning time based on accurately identifying and locating railway insulators, which can guarantee the real-time tracking of insulators in the next step.