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移相全桥ZVS DC-DC变换器的复合控制 预览 被引量:1

Compound Control for Phase-shifted Full-bridge ZVS DC-DC Converter
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摘要 针对移相全桥ZVS DC-DC变换器抗干扰性差的缺点,研究了基于系统辨识的自校正PID复合控制策略。该策略是在采用极点配置法的基础上,又采用递推最小二乘法对系统的参数进行了辨识和估计,从而使系统达到自适应控制的目的。设计了复合控制策略下的控制器,最后通过MATLAB仿真结果验证了自校正PID复合控制使系统具有良好的动态和稳定特性,尤其是具有较强的抗干扰性,从而验证了方法的合理性。 A self-tuning PID compound control strategy based on system identification is studied to overcome the poor anti-interference of ZVS DC-DC converter. The strategy based on pole placement method is adopted,and the recursive least square method is also used to identify and estimate the parameters for realizing the adaptive control of this system. A controller based on compound control strategy is designed in this study. Finally,the self-tuning PID control is demonstrated to have good dynamic and steady characteristics by the MATLAB simulation,in particular,a strong anti-interference is got as well,thus verifying the rationality of such method.
作者 江心利 王成宝 于少娟 申书霞 JIANG Xin-li, WANG Cheng-bao, YU Shao-juan, SHEN Shu-xia ( School of Electronical and Information Engineering,Taiyuan University of Science and Technology, Taiyuan 030024, China)
出处 《太原科技大学学报》 2015年第4期278-283,共6页 Journal of Taiyuan University of Science and Technology
基金 太原科技大学校博科技研究启动资金(20122033) 山西省高校教改项目(J2011130,J2013064) 同洲电子科技创新基金(TZ201323) 省UIT项目(2014287)
关键词 自校正PID 极点配置 辨识 参数估计 self-tuning PID pole placement identification parameter estimation
作者简介 江心利(1987-),男,硕士研究生,主要研究方向为现代控制理论在电气系统中的应用; 通讯作者:于少娟,教授,E-mail:13303413533@189.cn
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