论文编号:JD002 字数:16747.页数:62 设计主要包括3个方面的内容: 摘 要 计算机技术在其发展过程中形成两个重要分支:通用计算机领域,现在以Pc机为代表,着重发展海量高速数值运算技术,而其控制能力是有限的;嵌入式计算机领域,现在以单片机为代表,着重发展计算机的控制技术,而其计算机速度是有限的。在目前的许多实时工业控制和数据采集系统中,常常采用PC机做上位机和多个单片机做下位机的主从式系统。在主从分布式控制系统中,单片机主要完成实时数据采集,被采集数据经初步处理后通过串口传送给主机。主机将从机发送来的数据进行处理后随时向用户提供各种统计报表和整个控制过程的具体数据。主机同时根据从从机接收的过程参数进行判断处理并给从机(单片机)发送各种控制命令。它既利用了单片机的价格低、功能强、抗干扰能力强、温限宽和面向控制等优点,又利用PC机操作系统的高级用户界面、多任务、自动内存管理等特点。 Abstract Wanting the computer technology forms two important branches in its developing process: The general-purpose calculator domain, now take Pc machine as representative, develops the magnanimous high speed value operation technology emphatically, but its control is limited; The embedded computer domain, now take the monolithic integrated circuit as representative, It both used monolithic integrated circuit's price to be low, the function was strong, antijamming ability strong, limited warm affable face merits and so on control, and using PC machine characteristics and so on operating system's high-quality user interface, multi-duties, automatic memory management. the monolithic integrated circuit and microcomputer's serial communication may make up the monolithic integrated circuit in the data processing aspect insufficiency with PC machine in control aspect being short. 摘 要 1
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Tags:PC机 单片机 串行通信 论文论文 | 2009-06-07 13:50:20【返回顶部】 |