用于变电站自主巡视机器人的图像传输系统研究

马承志; 王宇雷; 杨玺; 郭素梅; 付亮; 姚军艳; 王少荣

引用本文:	马承志,王宇雷,杨玺,等.用于变电站自主巡视机器人的图像传输系统研究[J].电力系统保护与控制,2014,42(18):105-109.
	MA Cheng-zhi,WANG Yu-lei,YANG Xi,et al.Research on image transmission system for substation autonomous patrol robot[J].Power System Protection and Control,2014,42(18):105-109

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用于变电站自主巡视机器人的图像传输系统研究
马承志¹, 王宇雷², 杨玺¹, 郭素梅¹, 付亮¹, 姚军艳¹, 王少荣²
1.广东电网公司江门供电局，广东江门 529000;2.华中科技大学强电磁工程与新技术国家重点实验室，湖北武汉 430074

摘要:

为了实现变电站自主巡视机器人稳定可靠的传输高清图像，采取了WLAN与3G/GPRS 相结合的方式，采用稳定可靠的3G/GPRS网络传输必须的图像数据，而采用WLAN网络传输非必须的高清实时视频信息。设计了图像服务器与控制客户端，针对不同的摄像机分别采用专用SDK与开源Live555+FFmpeg项目实现各个子函数。图像服务器能正确地传输图像数据和转发实时视频流。控制客户端可以接收保存图像数据和播放实时视频，图像清晰且传输时延较小。

关键词: 变电站自动化自主巡视机器人图像传输 3G/GPRS WLAN

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Research on image transmission system for substation autonomous patrol robot

MA Cheng-zhi¹, WANG Yu-lei², YANG Xi¹, GUO Su-mei¹, FU Liang¹, YAO Jun-yan¹, WANG Shao-rong²

1.Jiangmen Power Supply Bureau of Guangdong Power Grid Company, Jiangmen 529000, China;2.State Key Laboratory of Advanced Electromagnetic Engineering and Technology (Huazhong University of Science and Technology), Wuhan 430074, China

Abstract:

In order to achieve reliable and steady transmission of HD images, substation autonomous patrol robot uses a combination of WLAN and 3G/GPRS. The robot uses reliable and steady 3G/GPRS network to transmit necessary image data, and uses WLAN network to transmit unnecessary real-time HD videos. This paper designs an image server and a control client, implements each subroutine for different cameras by using a dedicated SDK and the open source project Live555+FFmpeg. The image server can transmit image data and forward real-time video stream correctly. The control client can receive and save image data and play real-time video, the images is clear and the transmission delay is small.

Key words: substation automation autonomous patrol robot image transmission 3G/GPRS WLAN

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