基于ARM和Linux的埋弧焊自动控制系统人机界面设计
Design of Man-machine Interface of SAW Control System Based on ARM and Linux
张文明， 鞠洪涛， 刘鸿钧
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作者单位：沈阳大学 机械工程学院， 辽宁 沈阳 110044
中文关键字：ARM； 埋弧焊； 人机界面； 嵌入式Linux； Qt/Embedded
英文关键字：ARM; SAW; man-machine interface; embedded Linux; Qt/Embedded
中文摘要：分析了传统埋弧焊控制系统的弊端，并设计了一种新型的埋弧焊控制系统的人机界面。控制核心采用了三星公司的ARM 9处理器S3C2440A，使用640*480的TFT液晶显示器。在硬件的基础上移植了嵌入式Linux操作系统，并详细介绍了使用Qt提供的C++类库设计图形用户界面的方法。操作人员可以通过菜单和对话框等形式对焊接过程进行参数输入、过程控制和监视。可以实现焊接参数的保存、监视、绘制参数变化图像、出差报警、VGA输出等功能。
英文摘要：The disadvantages of traditional SAW control system was analyzed. A new kind of man-machine interface for them was designed. The control core of the system is S3C2440A, a kind of ARM 9 processor which is made by Samsung Electronics Co.,Ltd, and a 640*480 TFT LCD was used. This design transplanted an embedded Linux on the basis of hardware, and how to develop a GUI (Graphical User Interface) with the help of Qt and its C++ class library was introduced. The operators can input the welding parameters, control and even monitor the welding process. This design can achieve the functions such as saving parameters, drawing parameters graphics, abnormalities alarm and outputting VGA signals.