电磁感应线圈发射子弹系统优化设计

doi:10.19595/j.cnki.1000-6753.tces.L90510

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Abstract

Electromagnetic (EM) launch bullet has advantages of stepless adjustable speed and a very short response time, and is of great applicational potential in counterterrorism and stability maintaining. Aiming at the defects of initial disturbance at the muzzle and aerodynamic shape change after the chamber existed at EM rail launch bullets, this paper puts forward an idea that uses non-contact coil for launching bullets, which can solve the problem of the initial disturbance and the aerodynamic shape change. Through the establishment of dynamic model of coil launch bullets, and combining with the non-dominated sorting genetic algorithm-II (NSGA-II), the optimal design model of coil launch bullets can be established. The idea of optimization step by step was put forward, to realize the optimization design of parameters, such as parameters of coil cross section, structural parameters of the bullet, the initial voltage and trigger timing of pulse power and so on, on the premise of meeting the requirements of the bullet muzzle kinetic energy, and with the length of the coil launcher and launch efficiency as the optimization goal. The optimization results show that take the minimum of the average of the two optimal indexes as the solution, the shortest length of the device is 0.123 m, and the corresponding launch efficiency is 4.89%.

Key words： Electromagnetic launch bullet coil launch multi-objective optimization step by step optimization non-dominated sorting genetic algorithm-Ⅱ (NSGA-Ⅱ)

Received: 11 July 2020

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TM33

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	Articles by authors
	Zhang Xiao
	Lu Junyong
	Li Xiangping
	Guo Yun
	Wu Wenxuan

Cite this article:

Zhang Xiao,Lu Junyong,Li Xiangping等. System Optimization of Electromagnetic Induction Coil Launch Bullet[J]. Transactions of China Electrotechnical Society, 2021, 36(22): 4658-4665.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L90510 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I22/4658

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