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SIGNAL INTEGRITY ANALYSIS OF BATTERY MANAGEMENT SYSTEM FOR ELECTRIC VEHICLES

机译:电动汽车电池管理系统的信号完整性分析

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摘要

Battery management system (BMS) takes a key role in battery health management and life extension of electric vehicles. It contains various analogue-digital hybrid circuits above the frequency range of several hundred mega-Hertz, where the signal integrity and system stability are probably affected by certain issues of circuit design. In this report, the signal reflections along the transmission lines in a BMS are theoretically simulated and analyzed. The performance of the system is compared to that after optimization both in theory and measurement. The simulation and experimental results verify that electrical impedance matching is most crucial to the signal integrity and system stability in the system design.
机译:电池管理系统(BMS)在电池健康管理和电动汽车的寿命延长中起着关键作用。它包含了几百兆赫兹以上的频率范围内的各种模数混合电路,其中信号完整性和系统稳定性可能会受到某些电路设计问题的影响。在此报告中,对BMS中沿传输线的信号反射进行了理论模拟和分析。将系统的性能与经过优化的理论和测量结果进行比较。仿真和实验结果证明,电阻抗匹配对于系统设计中的信号完整性和系统稳定性至关重要。

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  • 来源
  • 会议地点 St. Louis MO(US)
  • 作者单位

    Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China;

    Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China;

    Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China;

    Shenzhen Academy of Metrology and Quality Inspection, Shenzhen, 518055, China;

    Shenzhen Academy of Metrology and Quality Inspection, Shenzhen, 518055, China;

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  • 正文语种 eng
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