基于LabVIEW的电位差计虚拟实验系统  

Virtual experiment system of potentiometer based on LabVIEW

作　　者：李文韬 孙茜茜 陆辰凌 余茗舟 张红光[2] 王增旭[2] LI Wen-tao;SUN Qian-qian;LU Chen-ling;YU Ming-zhou;ZHANG Hong-guang;WANG Zeng-xu(College of Telecommunications and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing,Jiangsu 210003,China;College of Science,Nanjing University of Posts and Telecommunications,Nanjing,Jiangsu 210003,China)

机构地区：[1]南京邮电大学通信与信息工程学院,江苏南京210003 [2]南京邮电大学理学院,江苏南京210003

出　　处：《大学物理》2021年第11期59-63,68,共6页College Physics

基　　金：南京邮电大学自制仪器项目(2020XZZ14)、教改项目(JG00719JX111)以及实验室建设改革重点项目(2017XSG03)资助。

摘　　要：为了帮助学生进行线上物理实验课程的学习,同时实现实验操作的上机考试,在LabVIEW平台上设计开发了“十一线电位差计测量电动势”的虚拟仿真实验软件,它完全仿真实际仪器,虚拟实验仪器的操作步骤与实验精度与教学使用的实验仪器一致,同时虚拟仪器配有操作提示和说明,帮助学生在电脑上进行实验原理和实验过程的预习和复习.软件可完全脱离编程平台,可以在不需要预装软件的情况下在其他计算机上使用.本文详述了虚拟仪器的设计方法和参数的选择依据,并提供了系统的编程框图.In order to help students to learn physics experiment courses online and realize the online examination of experimental operation,virtual simulation experiment of measuring electromotive force with eleven-wire potentiometer is designed and developed on LabVIEW platform,which can fully simulate all functions of the actual instrument.The operating steps and experimental precision of the virtual simulation experiment software are consistent with those of the experimental instrument used in our school.Meanwhile,the virtual instrument is also equipped with operational tips and instructions,which can help students preview and review the experimental principles and process on the computer.The packaged software can be completely detached from the programming platform and be used on other computers without the need for pre-installed software.The experimental principle,the design method of the virtual instrument and the selection basis of the parameters are described in detail,and the programming block diagram of the system is provided.

关 键 词：物理实验 电位差计 LABVIEW 虚拟仪器 在线教学 

分 类 号：O4-39[理学—物理]