| Buck变换器多幂次趋近律滑模控制研究 |
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| 引用本文： | 肖蕙蕙,陈敏,陈艳,崔森,居鑫.Buck变换器多幂次趋近律滑模控制研究[J].电源学报,2019,17(6):34-40. |
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| 作者姓名： | 肖蕙蕙 陈敏 陈艳 崔森 居鑫 |
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| 作者单位： | 重庆理工大学电气与电子工程学院, 重庆 400054;重庆市能源互联网工程技术研究中心, 重庆 400054,重庆理工大学电气与电子工程学院, 重庆 400054;重庆市能源互联网工程技术研究中心, 重庆 400054,重庆理工大学电气与电子工程学院, 重庆 400054;重庆市能源互联网工程技术研究中心, 重庆 400054,重庆理工大学电气与电子工程学院, 重庆 400054;重庆市能源互联网工程技术研究中心, 重庆 400054,重庆理工大学电气与电子工程学院, 重庆 400054;重庆市能源互联网工程技术研究中心, 重庆 400054 |
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| 基金项目： | 国家自然科学基金资助项目（51607020）；重庆市教委科学技术研究资助项目（KJ1709209）。 |
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| 摘 要： | 为使Buck变换器输出电压响应速度快、增强系统鲁棒性及控制精度,削弱传统滑模控制的抖振现象,提出了一种基于多幂次趋近律的滑模控制策略。根据Buck变换器工作模式,利用状态空间平均化法建立了数学模型,并基于多幂次趋近律设计了对应的滑模控制器。仿真和实验结果表明,相对于传统PI控制策略,采用基于多幂次趋近律的滑模控制策略可使Buck变换器动态响应更快,鲁棒性更好。
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| 关 键 词： | 滑模控制 Buck变换器 多幂次趋近律 PI控制 |
| 收稿时间： | 2017/8/13 0:00:00 |
| 修稿时间： | 2018/12/29 0:00:00 |
Research on Sliding Mode Control with Multipower Approaching Law for Buck Converter |
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| XIAO Huihui,CHEN Min,CHEN Yan,CUI Sen and JU Xin.Research on Sliding Mode Control with Multipower Approaching Law for Buck Converter[J].Journal of power supply,2019,17(6):34-40. |
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| Authors: | XIAO Huihui CHEN Min CHEN Yan CUI Sen and JU Xin |
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| Affiliation: | School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China;Chongqing Energy Internet Engineering Technology Research Center, Chongqing 400054, China,School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China;Chongqing Energy Internet Engineering Technology Research Center, Chongqing 400054, China,School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China;Chongqing Energy Internet Engineering Technology Research Center, Chongqing 400054, China,School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China;Chongqing Energy Internet Engineering Technology Research Center, Chongqing 400054, China and School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China;Chongqing Energy Internet Engineering Technology Research Center, Chongqing 400054, China |
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| Abstract: | To realize the fast response of output voltage from a Buck converter, enhance the system robustness and control accurate and weaken the chattering phenomenon when using the traditional sliding mode control, a sliding mode control strategy based on the multipower approaching law is proposed. According to the working mode of the Buck converter, a mathematical model is established by using the state-space averaging method, and the corresponding sliding mode controller is designed based on the multipower approaching law. Simulation and experimental results show that, compared with the traditional PI control strategy, the sliding mode control strategy based on the multipower approaching law can lead to faster response and better robustness of the Buck converter. |
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| Keywords: | sliding mode control Buck converter multipower approaching law PI control |
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