风能转换系统协调控制器设计方法

摘要

基于哈密顿能量理论,提出了一种风能转换系统的桨距角和发电机转速协调控制策略,使得闭环系统具有良好的稳定性.当系统中存在干扰时,在哈密顿控制器作用下能达到有限增益L2稳定.基于哈密顿能量理论的设计方法能实现对多输入系统的协调控制,为这类系统的控制器设计提供了一条新的途径.仿真结果证明所提出的方法的有效性.%Based on Hamiltonian energy theory, this paper proposes a coordination control strategy of pitch angle and generator speed for wind energy conversion system (WECS), such as to make the closed-loop system achieve its stability. Furthermore, in the presence of disturbances, the finite-gain L2 stability exists in closed-loop system under the Hamiltonian controller. This method can be used to realize the coordinated control for multi-input system. A new way is provided for the controller design of this kind of systems. It is verified that the proposed method is effective in the simulating experiment.