[关键词]
[摘要]
介绍了基于PXI系列数据采集装置和图形化编程语言LABVIEW的燃柴机组高精度数据采集系统的设计思路与实现方式,详尽描述了高精度数据采集系统的设计方案、硬件组成和软件程序功能。系统可对电压、电流、转速等信号进行多通道连续采集,测量精度高、响应时间短,可满足多种测试方式的数据采集要求;同时具有良好的人机交互界面,能够方便的对各类信号进行显示、计算、录制、回放和存储。在实际使用过程中,该系统表现出了优秀的易操作性,高可靠性和高精确度。
[Key word]
[Abstract]
This paper presents the design and implementation of a highprecision data acquisition system based on PXI series data acquisition device and graphical programming language LABVIEW for gas turbine/ diesel engine units.It describes the design scheme,hardware components and software program function of the highprecision data acquisition system.The system can continuously collect multichannel signals such as voltage,current and speed.The system has high measurement accuracy and fast response,which can meet the data collection requirements of various test methods.At the same time,it has a good humancomputer interaction interface,and various types of signals can be displayed,calculated,recorded,played back,and stored conveniently.In the actual use,the system has shown excellent operability,high reliability and high precision.
[中图分类号]
TK31
[基金项目]
国家自然科学基金(51278435,51408505);空气动力学国家重点实验室基金(SKLA20160205);西华大学自然科学重点基金(Z1510418);西华大学研究生创新基金(ycjj2018047)