应用Tracker软件分析磁机械振荡器的运动规律  

Analyzing the Motion Law of Magneto-Mechanical Oscillators Using Tracker Software

作　　者：徐鸿泰 张敏[1] XU Hongtai;ZHANG Min(School of Physics and Electronic Technology,Liaoning Normal University,Dalian,Liaoning 116029)

机构地区：[1]辽宁师范大学物理与电子技术学院,辽宁大连116029

出　　处：《物理通报》2025年第4期151-156,共6页Physics Bulletin

基　　金：教育部产学合作协同育人项目,批准号:220900575223357.

摘　　要：将两个完全相同的弹性片下端固定在无磁基座上,弹性片上端固定两块质量和磁力均相同的磁铁,拨动其中一个弹性片使其具有一定的初始速度,在两块磁铁的磁力作用下,两片弹性片将做相互扰动的运动.通过改变磁铁磁力、间距、弹性片长度等变量,用摄影机拍摄弹性片运动图像,再利用Tracker软件得到弹性片运动轨迹,借助牛顿定律、周期运动公式等,结合磁机械振荡机的工作原理分析这些因素对磁机械振荡的影响规律,发现磁力等因素对弹性片最大振幅和运动波形均有影响,而弹性片间距对其运动轨迹和波形影响最大.研究证明Tracker软件有助于分析磁机械振荡器的运动轨迹.The lower ends of two identical spring blades are fixed on a non-magnetic base,and the upper ends of the spring blades are fixed with two magnets with the same mass and magnetic force.By moving one of the spring blades to give it a certain initial velocity,under the magnetic force of the two magnets,the two spring blades will perform a mutually disturbing movement.This article changes variables such as the magnetic force of the magnets,the distance between them,and the length of the spring blades,uses a camera to shoot the images of the spring blade movement,and then uses Tracker software to obtain the trajectory of the spring blade movement.With the help of Newton’s laws,periodic motion formulas,etc.,and combining the working principle of the magnetic-mechanical oscillator,the influence of these factors on the magnetic-mechanical oscillation is analyzed.The results show that magnetic force and other factors have an impact on the maximum amplitude and motion waveform of the shrapnel,whereas the spacing of the shrapnel has the greatest influence on the trajectory and waveform.It is proved that Tracker software can help analyze the motion trajectory of the magnetic-mechanical oscillator.

关 键 词：扰动 周期运动公式 磁机械振荡 Tracker软件 

分 类 号：G63[文化科学—教育学]