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标题:同步感应线圈炮圆筒型电枢几何结构优化
作者:邹本贵,曹延杰,李瑞峰,等
2012年第10期 访问次数:230次

摘  要:电枢是同步感应电磁线圈炮中的一个关键部件,电枢的结构是影响同步感应电磁线圈炮发射效率的重要因素。建立了同步感应线圈炮电枢磁-结构耦合的数学模型,以电枢总体积为目标函数,建立了基于设计变量、约束条件和收敛准则的圆筒型电枢结构优化数学模型。利用Ansys基于APDL的有限元优化技术进行优化求解,得到了电枢的最佳设计变量,仿真结果表明该设计变量既能满足电枢的几何约束条件和性能约束条件,又使电枢体积较初值减小了7889%,有效地降低了电枢在弹丸中的配重。
关键词:同步感应线圈炮;电枢;设计变量;目标函数;优化

Abstract:  Armature is a key component of synchronous induction coilgun (SICG). Structure of the armature do have some effect on the efficiency during the launching process of SICG. A mathematical model of magnetic-structural coupling of the armature was built. The overall volume of the armature was defined as objective function. Set up a mathematical model of structural optimization consisted of design variables, constraint conditions and convergence criterion. The optimization solution was obtained by parameterized finite element analysis of Ansys based on APDL and the optimal design variables were obtained. The simulation results show that the new design variables can meet the constraint conditions of the armature and the decrease in volume of the armature is almost 7889 percent. So the proportion of the armature weight in projectile is reducing effectively.
Key words:  synchronous induction coilgun; armature; design variables; objective function; optimization

 
 
 
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