摘要
设计了基于串联等效电路法与单片机控制的“趋肤效应”集成验证仪。该设备主要包括基于STM32单片机的DDS信号发生器、趋肤效应发生单元、信号采集单元、人机交互界面等,实现了测试、处理和显示的自适应集成,系统集成度高、操作简单、实验现象明显、演示和检测内容全面、数据精度和分辨率高,可便捷地进行频率调整、图像显示等,能直观、形象地显示趋肤效应的波形,也可满足不同待测金属的趋肤效应验证与对比实验需求,帮助学生在实验过程中更好地理解趋肤效应机理。
An integrated experimental tester for skin effect based on series equivalent circuit method and SCM control is designed.This equipment framework mainly includes DSS signal generator based on STM32 SCM,skin effect generating unit,signal acquisition unit,man-machine interface,etc.It realizes the self-adaptive integration of testing,processing and display,and has high integration,simple operation,obvious experimental phenomena,comprehensive demonstration and detection contents,high data accuracy and resolution.It can easily adjust frequency,display image,etc.,visually and vividly display the waveform phenomenon of skin effect,meet the needs of skin effect verification and comparison experiments of different metals to be measured,and help students better understand skin effect and its mechanism in the experimental process.
作者
郝国成
李芯瑶
肖文历
马睿
金亚睿
杨文
HAO Guocheng;LI Xinyao;XIAO Wenli;MA Rui;JIN Yarui;YANG Wen(School of Mechanical Engineering and Electronic Information,China University of Geosciences,Wuhan 430074,China)
出处
《实验技术与管理》
CAS
北大核心
2019年第12期90-93,共4页
Experimental Technology and Management
基金
国家自然科学基金项目（41502281）
中国博士后基金项目（2015M582293）
湖北省教育厅科研项目（B2018537）
中国地质大学（武汉）实验技术项目（SJ-201815）
武汉市科技攻关项目（2016060101010073）
关键词
趋肤效应
串联等效电路法
验证仪器
实验教学
skin effect
series equivalent circuit method
experimental tester
experimental teaching
