迭代学习控制的直线电机的运动 　　系统，及其收敛性分析仿真-Iterative Learning Control for Linear Motor Motion System

光斑绘图（两个舵机构成二自由度机械臂，控制激光在墙面上绘制直线、正方形、圆形、椭圆等图形）-Spot drawing (two servos constitute the two degrees of freedom manipulator, control the laser to draw a straight line on the wall, square, round, oval and other graphics)