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基于LabVIEW的RC串联电路暂态过程实验仪
资料介绍
设计了RC串联电路暂态过程实验仪,利用LabVIEW技术监测电压变化,改善实验效果.基于单片机设计了采集卡,利用继电器选通充放电回路,采集卡以1kHz频率采集电压,并同步拟合理论数据.基于LabVIEW技术设计了实验软件,根据采集卡上传的数据实时描绘实际曲线与理论曲线.给出了实验结果,分析了误差来源与改进方向.实验结果验证,采集卡能准确采集电压信息,实际曲线与理论曲线变化趋势基本一致,时间常数的相对误差为1.70%,实验仪可以推广用于实验教学或科普演示.
An experimental instrument for RC series circuit transient process was designed,by monitoring the voltage on capacitance with the LabVIEW,to achieve better results.An acquisition card was designed with SCM,which detects the actual data and calculates the theoretical data at a speed 1 kHz,and selects charge or discharge circuit with a relay.Experiment software was designed with LabVIEW,which describes the actual curve and theoretical curve according to the data from the acquisition card.Experimental results were provided,sources of error and improve methods were elaborate.The results verified that the acquisition card works well,variation tendencies of actual curve and theoretical curve are coherent.The actual e...
部分文件列表
| 文件名 | 大小 |
| 基于LabVIEW的RC串联电路暂态过程实验仪.pdf | 5M |
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