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Measuring Behavior of Impactor Penetrating through Polymer Sheet Based on Electromagnetic Induction

机译：基于电磁诱导的聚合物板渗透抗冲击力的测量行为

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In the paper, the behavior of an impactor penetrating through a polymer sheet was measured using electromagnetic induction phenomena. First, electromotive forces generated in a coil were measured to decide the relation between the impactor velocity and the electromotive force when the impactor with an embedded neodymium magnet passed through a coil at several constant velocities. The intensity of the electromotive force was found to be proportional to the impactor velocity at each impactor position. The relation was used as the calibration data to calculate the velocity and position of the impactor. Next, penetration tests of polyvinyl chloride sheets were conducted with the coil set at the front of the sheet. The electromotive force generated in the coil was measured when the impactor penetrated through the sheet. The impactor velocity and position were calculated from the electromotive force with the calibration data. The validity of the measuring method was confirmed because the calculated results from the measured electromotive force agreed with the observed results by using a high speed video camera.
机译：在本文中，使用电磁诱导现象测量穿过聚合物片穿过聚合物片的冲击器的行为。首先，测量在线圈中产生的电动势，以确定冲击器与嵌入式钕磁铁的撞击器在几个恒定速度下通过线圈时的撞击速度和电动势之间的关系。发现电动势的强度与每个冲击位置处的撞击速度成比例。关系用作校准数据以计算撞击器的速度和位置。接下来，用在片材的前部的线圈组进行聚氯乙烯片的渗透试验。当冲击器穿过纸张时测量线圈中产生的电动势。用校准数据从电动势计算冲击速度和位置。确认了测量方法的有效性，因为通过使用高速摄像机的测量电动势的计算结果同意观察结果。

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