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Control Strategy of Current-Source PWM Rectifier Based on Back-Stepping Design Approach
Author(s): 
Pages: 78-83
Year: Issue:  2
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  PWM整流电流型非线性反步法;
Abstract: 电流型PWM整流器的状态空间平均模型具有非线性、强耦合特性,使得控制器的设计较为困难.通过前馈解耦方法,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两个单输入单输出的非线性模型,对每个单输入单输出模型,分别采用反步法设计了全局渐进稳定的非线性控制器,实现了对直流电流和功率因数的稳定控制.仿真和实验结果验证了该控制策略的有效性.
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