状态变量分析法研究

着重讨论了采用一套状态变量分析法来求解电系统问题的必要性,以及如何选择独立的状态变量的数目.对于一个比较简单的电网络的分析,一般最常用的方法是选取独立的电容电压Vc(t)和独立的电感电流iL(t)作为状态变量.对于复杂的电网络,由于网络中各个电路元件物理量的相关性,在这种情况下,就不一定选取所有的储能元件中的物理量作状态变量,而只需选取其中的一部分即可.

Study on State-Variable Analysis Method

The necessity of using state_variable analysis method to solve the problems in electric signal system and the determination of the number of independent state_variable are discussed.Generally,the independent capacitance voltage V 0(t) and independent in ductance current I L(e) are commonly selected as the state_variable for the analysis of a simple electric network.A portion of the physical parameters of all the circuit elements can be selected as the state variable for analysis of the complex electric network because the physical parameters of the elements in the electric network are relative each other.