The sufficient and necessary conditions for the global asymptotic stability of the equilibrium point of the nonlinear circuits are obtained by vector comparison method.
利用向量比较原理，得到了确定非线性电路平衡点全局渐近稳定的充分必要条件。
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It's illustrated how Input state linearization method is used to eliminate bifurcation so that no matter how the parameters change the system could maintain asymptotic stable equilibrium state.
It is proved that existence and uniqueness on systemic positive equilibrium dot with the state feedback. Gives the asymptotic steady condition in positive equilibrium dot of the said system.