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Traditional current sensors utilized in electric car battery systems have limits in accuracy, sensitivity, and scalability. To solve these issues, we created a high-precision fluxgate current sensor with a closed-loop feedback system based on flux measurements, Ampere’s law, and sophisticated signal processing techniques. The sensor was tested in a current range of 2.5A to 15A. Experimental results demonstrated that the fluxgate sensor outperformed traditional sensors tested under the same conditions, achieving errors of less than 1% even at variable current levels. This allows for more exact monitoring of battery current, which leads to improved battery performance in electric car systems.

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Design of a High-Precision Fluxgate-Based Current Sensor for Advanced Electric Vehicle Battery Systems

  • 会议论文

  • 发表日期：

    2025年

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  • Manas Tilak,
  • Shivansh Saraswat,
  • Devang Shirode,
  • Surabhi Gupta,
  • Srushti Gole,
  • Dnyaneshwar Kanade

摘要

Traditional current sensors utilized in electric car battery systems have limits in accuracy, sensitivity, and scalability. To solve these issues, we created a high-precision fluxgate current sensor with a closed-loop feedback system based on flux measurements, Ampere’s law, and sophisticated signal processing techniques. The sensor was tested in a current range of 2.5A to 15A. Experimental results demonstrated that the fluxgate sensor outperformed traditional sensors tested under the same conditions, achieving errors of less than 1% even at variable current levels. This allows for more exact monitoring of battery current, which leads to improved battery performance in electric car systems.