基于AD7891的车辆称重采集系统设计  

Design of vehicle weighing data acquisition system based on AD7891

作　　者：赵纲领[1] 张宁[1] 杨三序[1] 

机构地区：[1]商丘师范学院物理与信息工程系,河南商丘476000

出　　处：《电子设计工程》2009年第6期104-106,共3页Electronic Design Engineering

基　　金：国家自然科学基金项目(60572001)

摘　　要：介绍AD7891和DSP结合的车辆称重采集系统的设计方案,选用AD7891实现多路数据的高速采集,根据AD7891的工作时序图,采用TMS320LF2407实现时序控制,介绍系统软件和硬件设计。结果表明该系统设计满足要求,且硬件电路易于实现。The design of vehicle weighing system which is combined with AD7891 and DSP is introduced in the paper. AD7891 is adopted to realize multi-channel data acquisition.Based on AD7891 timing sequence,the timing sequence control is realized through I/O ports of DSP TMS320LF2407.The design of hardware and software are introduced.The result shows the design can satisfy the system requirement, and the hardware circuit is simple.

关 键 词：车辆称重 AD7891 数据采集 时序 

分 类 号：TP212.12[自动化与计算机技术—检测技术与自动化装置]