Abstract:  

In order to improve the opacity of data collection, the complexity of each operating segment links and coarse tuning parameters manually in the process of data collection and analysis in the lad, a set of complete data collection and analysis system was designed by using data acquisition card of serial port and two channel, nonlinearity reset PSO algorithm and harmonious human-computer interaction interface. The working principles of frequency response data acquisition and data processing system, the composition structure and operation instructions were introduced. Equipment control and data acquisition were carried out after frequency instruction given by lower machine data acquisition system, the data was transmitted through the serial port communication to upper computer then through the Fourier transform into a data processing system. Test results showed that the system could collect data timely and accurately, display data in real time, process and save data automatically and precisely. The system was stable in testing process which guaranteed the accuracy of the data analysis.

Key words: System, Data acquisition, Nonlinear-reset PSO, Data processing, Interface, Serial port

摘要： 为了改善实验室在数据采集和分析过程中采集不透明、各个操作环节衔接繁琐及手动粗调处理参数的缺点,采用串口双路下位机数据采集卡、非线性复位粒子群算法以及和谐的人机交互界面来设计一套完整的数据采集与分析系统,介绍了频率响应数据采集与处理系统的工作原理、组成结构和简单的操作说明。下位机数据采集系统发出频率指令后对设备进行控制和数据采集,采集的数据经串口到达上位机经过傅里叶变换进入数据处理系统。测试结果表明,系统能够实时准确地采集数据、实时显示数据、高精度自动处理数据及保存数据。测试过程中,系统稳定,为材料数据分析的准确性提供了保障。

关键词: 系统, 数据采集, 非线性复位粒子群, 数据处理, 界面, 串口