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电控单元强电磁安全威胁分析及电源防护研究

郑浩月 贺宇 何小东 阳禩乾 吴起 杨栋

郑浩月, 贺宇, 何小东, 等. 电控单元强电磁安全威胁分析及电源防护研究[J]. 强激光与粒子束, 2020, 32: 073003. doi: 10.11884/HPLPB202032.200092
引用本文: 郑浩月, 贺宇, 何小东, 等. 电控单元强电磁安全威胁分析及电源防护研究[J]. 强激光与粒子束, 2020, 32: 073003. doi: 10.11884/HPLPB202032.200092
Zheng Haoyue, He Yu, He Xiaodong, et al. Analysis of safety threat from high electromagnetic pulses and power protection research of vehicle electronic control unit[J]. High Power Laser and Particle Beams, 2020, 32: 073003. doi: 10.11884/HPLPB202032.200092
Citation: Zheng Haoyue, He Yu, He Xiaodong, et al. Analysis of safety threat from high electromagnetic pulses and power protection research of vehicle electronic control unit[J]. High Power Laser and Particle Beams, 2020, 32: 073003. doi: 10.11884/HPLPB202032.200092

电控单元强电磁安全威胁分析及电源防护研究

doi: 10.11884/HPLPB202032.200092
基金项目: 四川省科技计划项目(2018HH0048)
详细信息
    作者简介:

    郑浩月(1985—),男,硕士,高级工程师,从事系统强电磁脉冲效应与防护技术研究;z_haoyue@163.com

  • 中图分类号: TM937; TN972

Analysis of safety threat from high electromagnetic pulses and power protection research of vehicle electronic control unit

  • 摘要: 强电磁脉冲通过场线耦合的方式,对车辆电子控制系统造成了严重的电磁安全威胁,影响车辆机动性能的发挥。基于典型车辆平台,分析了电控单元在强电磁脉冲环境下的效应机理,开展了整车平台的宽带强电磁脉冲辐照试验,分析了车辆平台发动机系统运行状态与电控单元电源线上耦合脉冲电压之间的关系。试验结果表明宽带电磁脉冲通过电源线缆对车辆电控单元造成干扰效应,导致发动机熄火。根据分析结果,对电控单元直流电源进行了多级防护电路设计,通过切断电磁脉冲能量传输路径的方式实现电磁安全防护,并验证了防护电路的有效性。
  • 图  1  车辆电子控制单元基本组成框图

    Figure  1.  Basic block diagram of the electronic control unit(ECU)

    图  2  电磁脉冲后门耦合作用途径

    Figure  2.  Backdoor coupling approach of the electromagnetic pulse

    图  3  强电磁脉冲效应试验配置

    Figure  3.  Test configuration of high electromagnetic pulse effect

    图  4  车辆底盘电源连接关系图

    Figure  4.  Power connection diagram of vehicle chassis

    图  5  电源线上耦合电压波形

    Figure  5.  Waveform of the voltage coupled on the power line

    图  6  防护电路等效示意图

    Figure  6.  Equivalent schematic diagram of protective circuit

    图  7  防护效能验证试验配置

    Figure  7.  Test configuration for protection effectiveness verification

    图  8  输入端耦合电压波形

    Figure  8.  Coupling voltage waveform of input port

    图  9  输出端残余电压波形

    Figure  9.  Residual voltage waveform of output port

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出版历程
  • 收稿日期:  2020-04-13
  • 修回日期:  2020-06-04
  • 刊出日期:  2020-06-24

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