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基于Lin Bus低頻電流法傳導(dǎo)發(fā)射超標(biāo)研究

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[摘要] EMC電流法傳導(dǎo)發(fā)射(CCE)測(cè)試中,在500kHz~2MHz頻道測(cè)量LIN總線的PK和QP發(fā)射量超標(biāo)。本文對(duì)上海必維實(shí)驗(yàn)室中得到的數(shù)據(jù)進(jìn)行分析,使用MATLAB的Simulink仿真工具建立電路圖仿真模擬LIN總線上電流變化量,并將電流變化量傅里葉變換,得出結(jié)果與實(shí)驗(yàn)結(jié)果一致。

[關(guān)鍵詞] LIN總線;傅里葉變換;電流探頭;電磁兼容

中圖分類號(hào):U463.6      文獻(xiàn)標(biāo)志碼:A      文章編號(hào):1003-8639(2022)

Study on Conductive Emission Overstandard Based on Lin Bus Low Frequency Current Method

Abstract: In EMC current conduction emission(CCE) test,the PK and QP emission of Lin bus measured at 500 kHz~2 MHz channel exceeded the standard. In this paper,the data obtained from Shanghai Biwei Laboratory are analyzed,and the circuit diagram is built using Simulink simulation tool of MATLAB to simulate the current change on Lin bus. The result is in agreement with the experimental result.

Keywords: Lin bus;Fourier transform;current probe;EMC

電流法傳導(dǎo)發(fā)射(CCE)是CISPR 25中關(guān)于機(jī)動(dòng)車零部件/模塊的電磁輻射量測(cè)量方法之一,主要通過(guò)電流探頭測(cè)量線上的電流變化量。(剩余2635字)

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