CPLD在超声波流量测量系统中的应用  

Application of complex programmable logic device in ultrasonic flow measurement system

作　　者：王晔[1] 赵佳龙[1] 王劲松[1] 

机构地区：[1]中国电子科技集团公司第四十九研究所,黑龙江哈尔滨150001

出　　处：《传感器技术》2004年第8期74-76,共3页Journal of Transducer Technology

摘　　要：研究了复杂可编程逻辑器件(CPLD)在超声波流量测量系统中的应用。采用高性能的CPLD代替分立元件,实现了液体流量的高精度测量。实验结果表明:应用CPLD技术产生了准确的驱动控制信号,得到了高精度的传播时间计数值,简化了整个电路的设计,提高了系统的稳定性和抗干扰能力。The application of CPLD(complex programmable logic device) in ultrasonic flow measurement system is researched.CPLD with high performance is applied to take place of single device,which realizes high accuracy measurement of liquor flow.The result of experiment indicates that accurate drive-control signal is produced by CPLD,the counting value of transmission time with high performance is obtained,the whole circuit design is simplified,and stability and anti-interference ability of the system are improved.

关 键 词：复杂可编程逻辑器件 超声波 流量测量 

分 类 号：TH814.92[机械工程—仪器科学与技术]