[1]马 浩,裴亚康,赵 阳,等.基于散射参数与差分进化算法的EMI噪声源阻抗提取方法[J].南京师范大学学报(工程技术版),2021,21(04):013-18.[doi:10.3969/j.issn.1672-1292.2021.04.003]
　Ma Hao,Pei Yakang,Zhao Yang,et al.EMI Noise Source Impedance Extraction Method Based on SP-DE Algorithm[J].Journal of Nanjing Normal University(Engineering and Technology),2021,21(04):013-18.[doi:10.3969/j.issn.1672-1292.2021.04.003]
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基于散射参数与差分进化算法的EMI噪声源阻抗提取方法
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
21卷
期数:
2021年04期
页码:
013-18
栏目:
电气工程
出版日期:
2021-12-15

文章信息/Info

Title:
EMI Noise Source Impedance Extraction Method Based on SP-DE Algorithm
文章编号:
1672-1292(2021)04-0013-06
作者:
马 浩; 裴亚康; 赵 阳; 张 成; 孙逸群; 周孟夏
南京师范大学南瑞电气与自动化学院,江苏 南京 210023
Author(s):
Ma Hao; Pei Yakang; Zhao Yang; Zhang Cheng; Sun Yiqun; Zhou Mengxia
School of NARI Electrical and Automation,Nanjing Normal University,Nanjing 210023,China
关键词:
噪声源阻抗; 散射参数; 差分进化算法; EMI滤波器
Keywords:
noise source impedance; scattering parameter; DE algorithm; EMI filter
分类号:
TM934.7
DOI:
10.3969/j.issn.1672-1292.2021.04.003
文献标志码:
A
摘要:
EMI滤波器是抑制传导EMI噪声的有效手段,而精确的噪声源阻抗提取是滤波器设计的关键. 传统的阻抗提取方法散射参数法、双电流探头法,只能提取噪声源阻抗的幅值和相位信息,无法准确描述噪声源的阻抗特性. 提出了一种散射参数法与差分进化算法相结合的噪声源阻抗提取方法,该方法可以精确提取噪声源内阻抗的等效电路参数,为其滤波器设计提供重要的参考. 该方法首先根据散射参数法获取噪声源阻抗信息,然后利用差分进化算法处理阻抗信息以确定其等效电路参数. 再根据提取的内阻抗等效电路参数设计EMI滤波器. 最后,进行了滤波器设计与传导EMI噪声抑制实验. 实验结果表明,基于散射参数与差分进化算法设计的滤波器具有较好的传导EMI噪声的抑制效果.
Abstract:
EMI filter is an effective means to suppress conducted EMI noise,and accurate noise source impedance extraction is the key to filter design. Traditional impedance extraction methods,such as the scattering parameter(SP)method,dual current probe method,etc.,can only extract the amplitude and phase information of the noise source impedance,and cannot accurately describe the impedance characteristics of the noise source. In view of this,this paper proposes a noise source impedance extraction method combining the SP method and the differential evolution(DE)algorithm. This method can accurately extract the equivalent circuit parameters of the noise source impedance and provide an important reference for its filter design. This method first obtains the noise source impedance information according to the SP method,and then uses the DE algorithm to process the impedance information to determine its equivalent circuit parameters. Finally,the EMI filter is designed according to the extracted internal impedance equivalent circuit parameters. Taking a switching power supply as an example,the filter design and conducted EMI noise suppression experiments are carried out on the basis of the method proposed in this article. The experimental results show that the filter designed on the basis of the SP-DE method has a better suppression effect of conducted EMI noise.

参考文献/References:

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相似文献/References:

[1]娄鑫霞,赵阳,陈雪丽,等.基于信号完整性分析的PCB电路辐射噪声抑制方法[J].南京师范大学学报(工程技术版),2012,12(02):028.
　Lou Xinxia,Zhao Yang,Chen Xueli,et al.Radiated EMI Noise Mitigation Based on Signal Integrity Applied for PCB[J].Journal of Nanjing Normal University(Engineering and Technology),2012,12(04):028.

备注/Memo

备注/Memo:
收稿日期:2021-04-20.
基金项目:江苏省社会发展项目(BE2019716).
通讯作者:赵阳,博士,教授,研究方向:电磁兼容. E-mail:zhaoyang2@njnu.edu.cn
更新日期/Last Update: 2021-12-15