汽轮发电机励磁与汽门协调无源性控制

论文利用协调无源性方法，对汽轮同步发电机系统进行励磁控制和汽门调节，达到功角和输出电压的稳定性．文中采用四阶双输入模型，由backstepping方法得到汽门控制输入，再用协调无源性设计励磁控制部分，使得整个系统达到反馈无源，保证了系统的渐近稳定性。由于在控制器的设计中，未用到任何线性化方法，因而所得控制器充分利用了系统的非线性特性。通过仿真，证实了设计思想的正确性与控制方法的有效性。

THE COORDINATED PASSIVITY TECHNIQUES FOR THE EXCITATION AND STEAM-VALVING CONTROL OF GENERATOR

With coordinated passivity techniques, the excitation and steam-valving control for generator are proposed to make rotor angle and voltage stable. By backstepping techniques steam-valving control is designed, and excitation control is achieved based on coordinated passivity. So the feedback passivity of whole system is obtained and the closed-loop system is asymptotically stable. Since the controller design is based completely on the nonlinear dynamic system without any linearization, the nonlinear property of the system is used for nonlinear robust controller design. Simulations have proved the effectiveness of the proposed control law.