基于FPGA的氧化锆分析仪的数据采集与滤波  

Data Acquisition and Filtering of Zirconia Analyzer Based on FPGA

作　　者：唐咏[1] 程明霄[1] 储琴[1] 

机构地区：[1]南京工业大学自动化学院,江苏南京210009

出　　处：《仪表技术与传感器》2010年第5期26-28,共3页Instrument Technique and Sensor

摘　　要：基于FPGA气体分析仪为在线实时氧含量监测仪,具有结构简单和响应快速的特点,且该氧化锆传感器符合能斯特方程特性。文中提出基于FPGA的数据采集方法,采用有限状态机设计MAX197控制器和滤波器,并能由CPU控制采样频率。给出具体设计方法,结果表明,数据采集模块能极大减轻CPU的负担,快速准确地进行数据采集及处理,快速准确地进行数据采集及处理,实现实时在线测量。Zirconia analyzer which based on FPGA can monitor oxygen content online and real-time,with the characteristics of simple structure and fast response.This paper designed a data acquisition method based on FPGA,using FSM to design MAX197 controller and filter.And the sampling frequency can be changed by CPU.The specific design and functional simulation were given.The results show that the data acquisition module will be able to greatly reduce the burden of CPU,and bring rapidly and accurately data acquisition and processing,as well as improve the computational efficiency,fast and accurate to carry out data acquisition and processing,real-time on-line measurement.

关 键 词：氧化锆分析仪 MAX197 FPGA 有限状态机 

分 类 号：TH833[机械工程—仪器科学与技术]