基于NSGA-Ⅱ的过载磁场发生器优化设计  

Optimization of Generator of High Overload and Strong Magnetic Field Based on NSGA-Ⅱ

作　　者：李湘平[1] 鲁军勇[1] 张晓[1] 郭赟[1] 武文轩 Li Xiangping;Lu Junyong;Zhang Xiao;Guo Yun;Wu Wenxuan(National Key Laboratary of Science and Technology on Vessel Integrated Power System Naval University of Engineering,Wuhan 430033 China)

机构地区：[1]海军工程大学舰船综合电力技术国防科技重点实验室,武汉430033

出　　处：《电工技术学报》2021年第21期4399-4407,共9页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金资助项目(52107065,51925704,51907203,51877214)。

摘　　要：高过载和强磁场已成为电磁发射超高速弹丸的典型特点,为了突破弹载器件的抗高过载和抗强磁场性能,迫切需要对其发射环境模拟技术进行研究。该文采用电磁方式模拟高过载和强磁场环境,开展一体化高过载强磁场测试平台的仿真研究,建立该平台的过载和磁场解析模型,并进行模型验证和平台输出能力的仿真。结果表明:采用多级电磁线圈方式模拟高过载和强磁场环境方案是可行的,平台能够输出峰值过载大于3.3×10^(4)g、大于2×10^(4)g持续时间超过1.6ms的过载环境,以及峰值磁感应强度大于7.0T、峰值磁场变化率大于4 262T/s、大于5T持续时间且超过10ms的磁场环境。研究成果有效弥补了现有模拟平台不能满足电磁发射环境过载和磁场要求的缺陷。High overload and strong magnetic field has become a typical characteristic of electromagnetic(EM) launch hypervelocity projectile, in order to break through the ability of resistance to high overload and strong magnetic of onboard devices, it is an urgent to research on simulation technology of the launch environment. In this paper, the high overload and strong magnetic field environment was simulated by the way of EM, and the simulation of an integrated test platform for high overload and strong magnetic field was also carry out. The analytical model of overload and magnetic field of this platform was established and the model correctness and platform output ability were validated by simulation. Simulation results show that it is feasible to generate high overload and strong magnetic field by the way of multistage EM coil. The platform can output overload whose peak is greater than 33 000 g and whose duration time that value is greater than 20 000 g can last more than 1.6 ms. The platform can output magnetic field whose magnetic flux density(MFD) is greater than 7.0 T and whose gradient of MFD is greater than 4 262 T/s, and whose duration time that value is greater than 5 T can last more than 10 ms. The research results effectively make up for the defects that current simulation platform cannot meet the demands of overload and magnetic field of EM launch environment.

关 键 词：高过载 强磁场 模拟平台 电磁发射 超高速弹丸 

分 类 号：TM33[电气工程—电机]