二自由度控制交流调速系统的鲁棒性改进

Improvement on robustness of AC speed regulating system based on two-degree-freedom control scheme

分析了二自由度控制交流调速系统的鲁棒性 ,指出将滑模变结构控制引入该系统的必要性。理论分析与仿真结果表明将二自由度控制和滑模变结构控制相结合能使系统具备更为优良的性能 ,特别是能明显增强系统的鲁棒性能。

Analyzes the robustness of two_degree_freedom control AC speed regulating systems.A scheme based on a combination of two_degree_freedom control and sliding mode variable structure control is proposed. The theory analysis and simulation show that the new scheme enable the system to be more excellent performance and obviously enhance the robustness of the system.