基于混合优化算法的磁聚焦线圈阵列设计与优化  

Coil Array Design and Optimization in Magnetic Focusing Based on Hybrid Optimization Algorithm

作　　者：杨龙成 陆继庆[1] 张帅[1] 刘腊梅 

机构地区：[1]成都信息工程学院电子工程学院,四川成都610225 [2]戴氏教育精品堂培训学校,四川成都610100

出　　处：《四川师范大学学报（自然科学版）》2014年第6期942-946,共5页Journal of Sichuan Normal University（Natural Science）

基　　金：国家自然科学基金(60971043);四川省教育厅自然科学重点基金(08ZA098)资助项目

摘　　要：构建8个线圈和20个线圈的圆环面线圈阵列模型实现并改善目标区域的电磁场聚焦特性.利用磁场叠加原理,结合改进的粒子群算法设计了自适应混合优化算法,利用该算法与有限元积分分析软件的外部通信接口,对影响磁场分布的线圈阵列可调参数进行优化求解,建立优化的发射线圈模型.结果显示了设计的混合优化算法的良好搜索能力和线圈阵列在优化电流组态下在计算区域内的归一化幅值分布和二维等高线图,表明了经优化的线圈阵列在目标区域内产生了具有良好磁聚焦性能的磁场分布,磁场变化梯度大,其磁场强度与聚焦程度都有了不同程度的改善,且20个子线圈的线圈模型基本上实现了点聚焦,同时具有可聚焦多个目标的能力.In order to achieve and improve magnetic focusing characteristics of the target area,this paper built the toroid coil array models of eight and twenty coils.The magnetic field superposition principle had been used combining with improvement particle swarm algorithm to design the adaptive hybrid genetic algorithm.Hybrid optimization algorithm and external communication interface of CST software could be used to optimize solve all kinds of parameters of affecting the coil array model of magnetic focusing and build the optimized model of the coil.The results showed that the improved optimization algorithm had very good search property and the coil array normalized amplitude distribution and 2D contour plot under the optimized current configuration in computing area with the help of the optimization algorithm,showing that the optimized coil array models in the target area produced obvious and good magnetic field distribution,and magnetic field gradient had a great of change.The magnetic field strength and the degree of the focus had the varying degree improvement.The 20 coils model basically realized point focusing,at the same time it had the ability to focus on multiple targets.

关 键 词：线圈阵列 粒子群算法 混合优化算法 有限元分析 磁聚焦 

分 类 号：TM151[电气工程—电工理论与新技术] TN911.7[电子电信—通信与信息系统]