摘要
介绍了系统的工作原理,建立了信息交流和控制的系统结构,将面向对象和基于事件驱动的处理方法应用于通信协议的建立和通信控制过程。结合具体通信控制单元三菱PLC和FX1N-232-BD与PC串口RS-232C的通信,编写了算法和通信控制的代码。
The principle of system is introduced, the communication and control architecture are established, and the object-oriented and event-based methods are used to set the communication protocol and control process. For the communication among PLC made by Mitsubishi, FX1N-232-BD and RS-232C in PC, the algorithms and control cedes are designed. By experiment testing, the communication and control system can robustly work.
出处
《信息技术》
2009年第5期12-14,共3页
Information Technology
基金
广东省自然科学基金项目(8151063301000004)
关键词
人机交互
眼睛盯视
特征提取
通信与控制
human-computer interaction
eye-gaze
feature extraction
communication and control
