基于ARM图像采集传输系统研究

发布时间：2018-04-27 20:28

本文选题：电解槽 + ARM　；参考：《北方工业大学》2017年硕士论文

【摘要】：由于电解槽内电流的分布不均,在电解的过程中粗铜析出的铜离子,会不规则的吸附在阴极板的薄片上,使两个极板之间的直接接触,造成短路故障,从而使大量电能损失和电解铜的品质下降。根据电解槽极板间短路温度会上升的原理,利用高空巡检小车搭载嵌入式ARM板,通过红外摄像头扫描电解槽槽面,利用红外图像处理技术监测故障部位,它能更快更准确的检测到发生故障的部位。本文采用ARM开发板和Linux操作系统为基础平台,选择S3C2440A为核心处理器,根据具体的功能需求完成开发板的制作,通过移植操作系统,实现对外接硬件设备的控制,完成软硬件平台搭建。电解故障位置监测的依据是利用红外图像处理技术,系统需要具有图像采集的功能,采集设备选用USB接口的红外摄像头,开发板集成USB接口,系统内核添加硬件设备的驱动,最后根据V4L2接口编写图像采集程序,实现图像采集的功能。针对红外图像的处理是在上位机完成,所以在图像采集之后,需要实现图像的实时传输,本系统选用USB无线网卡以及DM9000网络接口实现网络传输,开发板扩展了 DM9000网络接口,配置内核添加网卡的驱动,最后根据TCP/IP网络传输协议,编写图像传输程序,实现图像传输功能。因工作环境等因素的影响,网络传输会受到干扰,出现图像丢失的现象,本系统采用开发板外接SD卡存储设备,在图像采集传输的同时实时的进行图像的存储,等小车到达指定的位置,再根据需求进行集中的传输,可以有效的解决图片缺失情况。开发板集成SD卡的接口以及实现内核中驱动的开发,最后编写图像存储程序,实现图像存储功能。基于ARM的图像采集传输系统,软硬件开发方便,同时投入成本低。投入生产使用后,只需一人负责监控即可,操作简单,这样就可以避免投入大量的人力,提高生产效率减少生产成本。另外能够及时发现并处理故障情况,还可以为厂家减少大量的资源浪费。此种方法可以适用于不同的电解领域,为厂家提高生产效益,具有很实用的应用意义等。
[Abstract]:Due to the uneven distribution of current in the electrolysis cell, copper ions precipitated from coarse copper in the electrolysis process will be irregularly adsorbed on the thin plate of the cathode plate, which will make the direct contact between the two plates and cause the fault of short circuit. As a result, a large amount of electricity loss and the quality of electrolytic copper are reduced. According to the principle that the short-circuit temperature between the electrode plates of the electrolysis cell will rise, the embedded ARM board is carried on the high altitude inspection car, the surface of the electrolytic cell is scanned by infrared camera, and the fault position is monitored by infrared image processing technology. It can detect faults more quickly and accurately. This paper adopts the ARM development board and Linux operating system as the basic platform, selects S3C2440A as the core processor, completes the development board according to the specific function requirement, realizes the control of the external hardware device by transplanting the operating system. Complete the hardware and software platform. The basis of electrolysis fault position monitoring is to use infrared image processing technology, the system needs to have the function of image acquisition, the acquisition equipment uses the infrared camera of USB interface, the development board integrates USB interface, and the system kernel adds the driver of hardware equipment. Finally, the image acquisition program is compiled according to the V4L2 interface to realize the function of image acquisition. In view of the infrared image processing is completed in the upper computer, so after the image acquisition, we need to realize the real-time transmission of the image. This system uses USB wireless network card and DM9000 network interface to realize the network transmission, and the development board extends the DM9000 network interface. Configure the kernel to add the driver of the network card, finally according to the TCP/IP network transport protocol, write image transmission program, achieve image transmission function. Because of the influence of the working environment, the network transmission will be interfered, and the phenomenon of image loss will appear. The system adopts the SD card storage device, which is connected with the development board, to store the images in real time while collecting and transmitting the images. Wait for the car to reach the designated position, and then according to the needs of centralized transmission, can effectively solve the picture missing situation. The development board integrates the interface of SD card and realizes the development of driving in the kernel. Finally, the program of image storage is written to realize the function of image storage. The image acquisition and transmission system based on ARM has the advantages of convenient development of hardware and software, and low input cost. After put into production and use, only one person is responsible for monitoring, and the operation is simple, which can avoid putting in a lot of manpower and improve production efficiency and reduce production cost. In addition, it can detect and deal with the fault in time, and reduce the waste of resources for the manufacturers. This method can be used in different electrolytic fields and has practical application significance.
【学位授予单位】：北方工业大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TF811;TP316.81;TP274.2

【引证文献】