| PC机与多台单片机实时通信系统的设计与实现 |
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| 引用本文： | 贾转红,朱清林,敖发良.PC机与多台单片机实时通信系统的设计与实现[J].微计算机信息,2007,23(1Z):143-145,200. |
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| 作者姓名： | 贾转红 朱清林 敖发良 |
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| 作者单位： | 桂林电子科技大学通信与信息工程系,广西桂林540004 |
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| 基金项目： | 基金项目：国家自然科学基金（69982004） |
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| 摘 要： | 介绍了由一台PC机与多台单片机组成的小型集散控制系统。该系统在PC机上开发了一个可视化应用程序作为整个系统的控制终端,用来控制从机状态和显示从机的各项参数。同时采用AT89S51单片机作为通信系统的控制器，利用8251对单片机进行串口扩展。每台从机都是由一台AT89S51单片机组成的小型控制系统，主要进行前端数据采集与控制。该系统操作方便，性价比高，为用户提供了一个非常友好的人机界面，具有广泛的应用前景。
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| 关 键 词： | 小型集散控制系统 单片机 实时通信 串口 人机界面 |
| 文章编号： | 1008-0570（2007）01-2-0143-03 |
| 修稿时间： | 2006-06-272006-07-25 |
Design And Implementation of A Real-Time Communication System Composed By PC And Single-Chip Microcomputers |
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| JIA ZHUANHONG ZHU QINGLIN AO FALIANG.Design And Implementation of A Real-Time Communication System Composed By PC And Single-Chip Microcomputers[J].Control & Automation,2007,23(1Z):143-145,200. |
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| Authors: | JIA ZHUANHONG ZHU QINGLIN AO FALIANG |
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| Abstract: | In this paper, we introduce a small-scale distributed control system which is consisted of PC and single-chip microcomputers. The system develops a visiable application program based on PC as a control terminal of the entire system, in order to master the state and display the parameters of the slaves. AT89S51 single-chip microcomputer is used as a controller of the communication system and 8251 is used to extend the serial port of a single-chip microcomputer. Each slave is a small-scale control system composed by AT89S51 and its main function is frontal acquisition and control of datas. The system, which is convenient to operate and high in the ratio of performance to price, provides an intuitive human-machine interface for users and has a wide application foreground. |
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| Keywords: | Small-Scale Distributed Control System Single-Chip Microcomputer Real-Time Communication Serial Port Human-Machine Interface |
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