At length,it is shown that the similar structure can simplify the analysis and design,since the uniform analysis and design method for the large-scale nonlinear composite systems are not formed as yet.

• 由于目前还没有针对一般非线性组合大系统的控制器设计方法，所以相似结构在一定程度上可以简化组合大系统的分析和设计。