The zero dynamics were divided into several types, and the relations between the zero dynamics of general nonlinear system and that of its adjoint system norm were discussed by using functional analysis.

• 摘要将零动态分为几种类型，运用泛函分析等工具，研究了一般非线性系统与其作为仿射非线性的系统的伴随系统的零动态之间的关系。