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注入式混合有源滤波器的三重滑模变结构控制 被引量:3

Ternary Sliding Mode Variable Structure Control of Injection Type Hybird APF
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摘要 有源滤波器(Active Power Filter,简称APF)电流跟踪控制方法的优劣直接影响其谐波治理效果。首先建立了一种新型注入式混合有源滤波器(Hybrid Active Power Filter,简称HAPF)的数学模型,同时针对控制参考信号为周期量这一特征,结合传统滑模变结构控制算法快速性好和递推积分PI控制算法无稳态误差的优点,引入递推积分PI控制算法的控制量作为离散滑模变结构控制器的等效控制,提出了一种三重滑模变结构控制算法。通过仿真,从算法的跟踪速度和控制精度方面,将三重滑模变结构控制算法与传统滑模变结构控制算法以及单一的递推积分PI控制算法进行了比较分析。实验结果证明了该算法的正确性和有效性。 Active Power Filter's (APF) current tracking control method is vital for its filter performance.By modeling a new injection type hybrid APF,a new ternary sliding mode variable structure control method is proposed,which integrates the merits of traditional sliding mode variable structure control and recursive integral PI control.With the simulation results of the new control method,this paper compares the new control method with traditional sliding mode variable structure control method and single recursive integral PI control method in aspects of tracking-speed,control precision and high frequency switching harmonics.Experimental results verify its validity of the proposed algorithm.
机构地区 邵阳学院 湖南大学
出处 《电力电子技术》 CSCD 北大核心 2007年第7期24-26,30,共4页 Power Electronics
基金 国家自然科学基金资助项目(60474041) 国家863计划项目(2004AA001032)
关键词 滤波器 滑模控制 算法/电流跟踪控制 递推积分 filter sliding mode control algorithm / current tracking control recursive integral
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