中文说明：利用迭代学习算法控制两关节机械手臂，可以选择三种迭代学习算法进行控制，效果很理想，能很好的跟踪给定的期望信号。通过m文件来编写s函数，提高了程序的可视效果，结构也比较简明，是学习迭代学习的好程序。
English Description：
The use of iterative learning control algorithm of two joint robot arm, can choose three kinds of iterative learning control algorithm, the effect is very ideal, can track the desired signals given good. Write a s function to the m file, the program to improve visual effect, structure is comparatively simple, is to study the iterative learning program.