基于状态观测器方法的一类电力系统的自适应同步

Adaptive synchronization of a class of power systems based on state observer method

对于具有不确定参数的简单互联电力系统,当系统参数分别取某一定值时,系统表现出混沌性态.基于状态观测器理论,设计了简单互联电力系统的自适应混沌同步的控制方案.利用Lyapunov稳定性理论,通过证明自适应同步误差系统为渐近稳定,进而得出驱动系统和响应系统,最终实现自适应混沌同步,并且可以对驱动系统的不确定参数进行估计.最后,对结论给出数值仿真,其结果说明了该方法的有效性和可行性.

As for the simple interconnected power system,the chaos is displayed when the parameters are specified as certain fixed values.In this paper,a controlling scheme for adaptive synchronization of a simple interconnected power system is designed based on state observer method.By means of Lyapunov stability theory,it is proved that the system of the synchronization error is asymptotically stable.Accordingly,it is concluded that master system and response system arrive to adaptive synchronization at last,and the uncertain parameters of master system could be estimated,too.In the end,the value simulations of illustrative example are used to demonstrate the validity and feasibility of the proposed conclusions.