说明：  由于PSO工具箱较难开发出多目标优化，采用MATLAB编写程序，得出VPPSO的源代码，进行优化设计，效果不错，希望和大家一起学习，共同进步
(The PSO toolbox more difficult to develop a multi-objective optimization using MATLAB program, to draw VPPSO the source code, optimized design, good results, and we hope that with learning and common progress)