SWISS整流器的自适应反步控制

Adaptive Backstepping Control of SWISS Rectifier

针对PI控制SWISS整流器的动态抗扰动性能较弱的问题,以SWISS整流器等效电路的状态方程为基础,结合自适应反步控制的基本原理,设计SWISS整流器以直流侧负载为系统不确定性参数的自适应反步控制器,并对其稳定性进行证明。仿真对比分析结果表明,相较于传统双闭环PI控制,自适应反步控制的SIWSS整流器具有更优越的稳态输出特性和抗负载突变扰动等动态响应性能,并通过基于RT_BOX的半实物实验平台进一步验证了仿真结果的正确性和自适应反步控制策略的有效性。

Aiming at the weak dynamic anti disturbance performance of PI controlled Swiss rectifier,based on the state equation of the equivalent circuit of SWISS rectifier and combined with the basic principle of adaptive backstepping control,an adaptive backstepping controller of SWISS rectifier with load as the system uncertain parameter is designed,and its stability is proved.The simulation results show that compared with the traditional double closed-loop PI control,the adaptive backstepping control SWISS rectifier has better steady-state output characteristics and dynamic response performance against sudden load disturbance.The hardware in the loop experimental platform of box further verifies the correctness of the simulation results and the effectiveness of the adaptive backstepping control strategy.