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论文:2016,Vol:34,Issue(1):73-78 |
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引用本文： |
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许佳妮, 皇甫宜耿, 卓生荣, 庞圣钊. 大扰动下Buck电源变换PCL控制器设计[J]. 西北工业大学学报 |
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Xu Jiani, Huangfu Yigeng, Zhuo Shengrong, Pang Shengzhao. PCL Sliding Mode Controller Design for Buck Converter under Large Disturbances[J]. Northwestern polytechnical university |
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| 大扰动下Buck电源变换PCL控制器设计 |
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| 许佳妮, 皇甫宜耿, 卓生荣, 庞圣钊 |
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| 西北工业大学, 陕西 西安 710072 |
| 摘要: |
| 为提高系统在大扰动下的响应的快速性和鲁棒性,针对纯电动汽车上的DC-DC变换器,设计了一种基于prescribed convergence law(PCL)算法的鲁棒滑模控制器。以Buck变换器为例,验证该滑模算法在有限时间内的收敛性,并与PI和传统滑模控制效果进行对比。结果表明:①无扰动时,PCL滑模算法稳态精度高,调节时间短,输出纹波小;②输入电压和负载电阻大扰动时,PCL滑模算法响应速度更快,鲁棒性更强。 |
| 关键词:
Buck变换器
滑模
PI
鲁棒性
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| PCL Sliding Mode Controller Design for Buck Converter under Large Disturbances |
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| Xu Jiani, Huangfu Yigeng, Zhuo Shengrong, Pang Shengzhao |
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| Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| On the basis of Prescribed Convergence Law(PCL) algorithm, this paper presents a robust sliding mode controller for the DC-DC converter in the pure electric vehicle in order to improve the rapidity and robustness under large disturbances.Taking Buck converter as an example, this paper verifies the convergence of the sliding mode algorithm in finite time, and compares it with PI and the traditional sliding mode control. The simulation results and their analysis show preliminarily that:① without disturbances PCL control has high steady state accuracy, short regulation time, and small output ripple,② under large disturbances in the input voltage and output load, PCL control shows faster response and stronger robustness. |
| Key words:
algorithms
computer simulation
controllers
convergence of numerical methods
DC-DC converter
design
diodes
electric vehicles
mathematical models
MATLAB
robustness(control systems)
sliding mode control
topology
trajectories
buck converter
PCL(Prescribed Convergence Law) algorithm
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| 收稿日期: 2015-10-28
修回日期:
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| DOI: |
| 基金项目: 航空科学基金(2014ZC53037)与高等学校博士学科点专项科研基金(20126102120050)资助 |
| 通讯作者:
Email： |
| 作者简介: 许佳妮(1993-),女,西北工业大学硕士研究生,主要从事电源变换技术研究。
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