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首页> 外文期刊>International Journal of Electrical Engineering Education >Development of two laboratory experiments for teaching electrodynamic forces in an advanced course in electromechanical systems
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Development of two laboratory experiments for teaching electrodynamic forces in an advanced course in electromechanical systems

机译：开发了两个用于在机电系统高级课程中教授电动势的实验室实验

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摘要

In this paper, two experiments on electrodynamic forces designed for students on an advanced course in electromechanical systems are proposed. Details are first given for an experiment involving a pendulum system whose damping is controlled by the electrodynamic forces that are induced in a conducting plate. The pendulum system is modelled using Maxwell's equations and experimental results obtained from the system are compared with those estimated from the model developed. A second experiment is also presented, consisting of a magnetic levitation system where electrodynamic forces are induced in a moving conducting plate by two permanent magnets, resulting in lifting and drag forces on them. These two components of the electrodynamic forces, the lifting and drag forces, are analysed based on the magnetic field distribution, also verifying their dependence on plate speed and lifting height.
机译：在本文中，针对机电系统高级课程的学生，设计了两个有关电动势的实验。首先给出涉及摆系统的实验的细节，该摆系统的阻尼由在导电板上感应的电动势控制。使用Maxwell方程对摆系统进行建模，并将从系统获得的实验结果与从开发的模型估算的结果进行比较。还提出了第二个实验，该实验由一个磁悬浮系统组成，在该系统中，两个永磁体在移动的导电板中感应出电动势，从而在其上产生提升力和阻力。根据磁场分布分析了电动势的两个分量，即起升力和阻力，并验证了它们对板速和起升高度的依赖性。

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