摘要
文中提出了一种基于虚拟仪器的塑料薄膜厚度在线测量系统,主要介绍了测量系统的组成结构,基于电容传感器的塑料薄膜厚度测量系统的在线测量原理以及以数据采集卡PCI-M6220作为执行机构的运动控制系统的实现方案,并设计了接口板控制电路和虚拟仪器程序对系统的控制过程,并对系统准确性、传输误差和线性校正做了实验,实验证明该设计提高了原有系统的稳定性、可靠性和运行速度。
This paper proposed an on-line measurement system of plastic film thickness on virtual instrument,it mainly introduced composition structure,measurement principle of plastic film thickness measurement system on capacitance sensor and implementations of movement control system on PCI-M6220 as executive mechanism.It designed the interface board control circuit and control method of virtual instrument control system.The experiment was done about system accurateness,transmission error and linear correction,the experiment results show that the design improves the stability,reliability and operating speed of the syetem.
出处
《仪表技术与传感器》
CSCD
北大核心
2011年第2期91-94,98,共5页
Instrument Technique and Sensor
关键词
在线测量
虚拟仪器
电容传感器
薄膜厚度
on-line measurement
virtual instrument
capacitance sensor
film thicknes
