电磁飞板发射驱动线圈结构优化设计
首发时间:2013-03-27
摘要:基于RLC电路及飞板与发射线圈间的互感变化原理,对电磁飞板发射的运动过程进行了理论分析,建立飞板的运动模型。通过理论分析认为影响速度的主要因素为线圈自感、线圈电阻、线圈与飞板之间的互感。依据飞板运动模型分析了线圈结构参数对飞板速度的影响,为线圈结构优化设计提供了理论依据。利用Maxwell 2D对飞板发射过程进行仿真计算,与理论结果对比。结果表明:减小线圈匝数,增大线圈径向宽度,增加线圈高度并减小线圈间距均有利于提高飞板的最终速度。
关键词: 电磁飞板发射 运动模型 优化设计 Maxwell 2D
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Designing optimal structure of electromagnetic launch drive coil
Abstract:Based on RLC circuit and principle of the mutual inductance between the flying plate and transmitter coil, analyzing the movement of the flying plate theoretically, the electromagnetic flying plate motion model in the launch phase was established .The motion model show that the factor affecting the speed was coil self-induction, coil resistance, mutual inductance between the flying plate and transmitter coil. Based on the motion model, the influence of structural parameters on the speed of flying plate was analyzed, thus the theory on optimization design of coil structural was obtained. Launching process of flying plate was simulated with Maxwell 2D,Compared with the result of theoretical analysis. The result show that, reducing turns per coil, increasing radial width of coil, increasing height of coil reducing spacing of coil can improve the speed of flying plate.
Keywords: Electromagnetic launch;motion model;optimization design;Maxwell 2D
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