中文摘要：

利用前馈解耦方法,将电流型PWM整流器在同步坐标系下的多输入多输出非线性模型分解为2 个单输入单输出的非线性模型.采用动态面控制方法对2 个单输入单输出模型分别设计了非线性控制器,并结合自适应技术对负载电阻进行了估计.动态面方法通过引入一阶滤波器,避免了在设计控制器过程中对虚拟控制律的求导计算.仿真结果表明,系统运行在单位功率因数下,直流输出电流可以快速跟踪参考信号,验证了该控制策略的正确性和有效性.

英文摘要：

A dual single-input and single-output non-linear model was derived by applying the feedforwarddecouple method to the dynamic model of current-source PWM rectifier（CSR）. Then for each subsystem,a nonlinearcontroller was designed by using the dynamic surface control approach. In addition,the adaptive technology wasapplied for estimating the load resistance. By introducing the first-order filters,the derivative calculation of the virtualcontrol law was avoided. Simulation results show that the proposed control system operates at the unity power factorand the output DC current tracks the desired signal rapidly,which verifies the correctness and the effectiveness of theproposed control strategy.