摘要
为了帮助学生深入理解动态元件的工作特性,以及动态电路响应和过渡过程,以RC和RL一阶电路零输入、零状态响应为例,首先,基于NI Multisim14.0软件,仿真分析了电路的零输入、零状态响应,并测量了电路的时间常数;然后,利用常见电子元件,搭建了对应的实物实验进行验证。结果表明:利用方波,可模拟RC和RL一阶电路响应的激励信号;仿真结果直观、易于观测;实验结果与仿真、理论结果一致。利用仿真辅助动态电路教学,能让学生深入理解动态电路响应及过渡过程的物理内涵与本质。
In order to help students understand the working characteristics of dynamic components,as well as the dynamic circuit response and transition process,this paper takes the zero-input and zero-state response of RC and RL first-order circuits as examples.Firstly,based on NI Multisim 14.0 software,the zero-input and zero-state response of the circuit are simulated and analyzed,and the time constants of the circuits are measured.Then,using the common electronic components,the corresponding physical experiments are built to verify.The results show that,the excitation signals of RC and RL first-order circuits can be simulated by square wave,the simulation results are intuitive and easy to measure,the experimental results are consistent with the simulation and theoretical results.By using simulation to assist dynamic circuit teaching,students can deeply understand the physical connotation and essence of dynamic circuit response and transition process.
作者
蓝海江
LAN Haijiang(School of Mechanical and Electrical Engineering,Guangxi Science and Technology Normal University,Laibin 546199,China)
出处
《广西科技师范学院学报》
2020年第1期115-120,共6页
Journal of Guangxi Science & Technology Normal University
基金
2019年度广西高等教育本科教学改革工程重点项目“‘理论、仿真、实践’三融合电子技术课程教学改革的研究与实践”(2019JGZ157)。
关键词
一阶电路
零输入响应
零状态响应
仿真分析
实验实现
first-order circuits
zero-input response
zero-state response
simulation analysis
experimental realization
