利用电路仿真方法研究振动

doi:10.14139/i.cnki.cn22-1228.2024.06.022

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摘要

通过分析波尔共振仪的动力学方程和 RLC 串联电路的基尔霍夫电压公式,同时借鉴物理实验中模拟法的思想,建立了力学量和电学量相关的对应关系,从而应用电路分析方法研究振动问题。实验基于开源的电路仿真平台,针对不同振动类型搭建仿真电路,通过调节电路元件参数模拟不同的振动情况,并测量电路信号以获取振动信息。根据仿真结果和理论分析,讨论了阻尼振动、位移共振和速度共振、非正弦形式的周期性驱动力等情况。结果表明,用电路仿真方法可以模拟机械振动问题,同时为波尔共振实验提供了有益补充。

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	冯　伟
	赵嵩卿
	马秀花

关键词: 波尔共振仪受迫振动电路仿真幅频特性相频特性

Abstract:

This article analyzed the equation of forced vibration and the Kirchhol’'s voltage law of RLC series circuit , and established the corresponding relationship between mechanical and electrical quantities ,in order to solve the vibration problem by circuit analysis method, Based on the mature circuit simulation plat for msimulation circuits were built for different vibration types , and different vibration conditions were simulated by adjusting the parameters of circuit components , and the vibration information was obtained by measuring the circuit signals. According to the simulation results , damped vibrations , resonance results and non-sinusoid alperiodic driving force were discussed, The results showed that the use of circuit simulation method to study vibration problems can be used as a supplement to the content of Bohr resonance experiment.

Key words: Pohl resonance instrument forced vibration circuit simulation amplitude-frequency characteristics phase-frequency characteristics

出版日期: 2024-12-25 发布日期: 2024-12-25 整期出版日期: 2024-12-25

ZTFLH:

O 4-34

引用本文:

冯　伟, 赵嵩卿, 马秀花. 利用电路仿真方法研究振动 [J]. 大学物理实验, 2024, 37(6): 123-127.
FENG Wei, ZHAO Songqin, MA Xiuhua. Studyon Vibration with Circuit Simulation ethod . Physical Experiment of College, 2024, 37(6): 123-127.

链接本文:

https://dawushiyan.jlict.edu.cn/CN/10.14139/i.cnki.cn22-1228.2024.06.022 或 https://dawushiyan.jlict.edu.cn/CN/Y2024/V37/I6/123

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