Simple genetic algorithm(SGA) was designed by using C++ for aluminum keyhole PAW in vertical position,which is used to decide near-optimal settings of the welding process parameters.

• 本文采用C++语言设计适用于铝合金穿孔型等离子弧立焊的基本遗传算法，用来确定焊接工艺参数的近似最优化配置。