综采工作面智能云台摄像仪研制
Development of intelligent cloud camera for fully- mechanized mining face
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摘要: 针对现有综采工作面视频监控多为定点监测，且不能保证工作面设备在运动过程中的全方位观察等问题，提出了一种综采工作面智能云台摄像仪的研制。通过构建云台摄像仪视频编码压缩、电动机驱动设计、红外补光、步进电动机硬件系统方案，同时开发云台控制程序、预置点巡检算法、调焦控制算法等。在满足云台功能的基础上，加入去雾算法、ROI感兴趣区域标定算法、光流法运动跟踪算法等智能功能，实现对工作面液压支架和采煤机的运动感知，人员违章或设备异常的智能报警，以及在滚筒截煤过程中，能够通过暗通道去雾获取更清晰的图像。在黄陵、兖矿、神东等集团煤矿多个工作面进行设备安装应用，结果表明智能云台摄像仪可替代原有无云台摄像仪，减少工作面摄像仪设备的50%，对井下远程可视化操作提供了辅助，应用效果较好。Abstract: In order to solve the problem that the existing video survillance in the fully- mechanized mining face was mostly fixed, and can not guarantee the omnidirectional observation of the working surface equipment during the movement , this paper proposed the development of a smart cloud camera for the fully-mechanized mining face. It is a system solution including building video camera compression, motor drive design, infrared fill light, stepper motor hardware and at the same time, the PIZ control program, the preset point inspection algorithm, and the focus control algorithm were developed. On the basis of satisfying the function of the cloud platform, the intelligent functions such as the defogging algorithm, the ROI region of interest calibration algorithm, and the optical flow motion tracking algorithm were added to realize the motion perception of the hydraulic support and the shearer on the working surface as well as the intelligent alarm of personnel violations or equipment anomalies. It is also possible to obtain a clearer image by defogging through the dark channel in the process of cutting the coal. The equipment was installed and applied in various working faces such as Huangling, Yankuang and Shendong Group and the results show that the itelligent cloud camera can replace the original cloudless camera, reduce 50% of the working camera equipment，and provide assistance for the remote visual operation of the well. The application ffect is good.
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