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Impact Safety Control Strategy for the Battery System of an Example Electric Bus

机译：示例电动公交车电池系统的冲击安全控制策略

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摘要

This paper proposes a side impact safety control strategy for the battery system, aiming at defusing the hazards of unacceptable behaviors of the battery system such as high-voltage hazards. Based on some collision identification metrics, a side impact discrimination algorithm and a side impact severity algorithm are developed for electric buses. Based on the study on the time to break for power battery, the side impact discrimination algorithm response time is about 20 ms posing a great challenge to the side impact discrimination algorithm. At the same time, the reliability of the impact safety control strategy developed in this paper is evaluated for other plausible side impact signals generated by finite element analysis. The results verify that the impact safety control strategy exhibits robust performance and is able to trigger a breaking signal for power battery system promptly and accurately.
机译：本文提出了一种针对电池系统的侧面碰撞安全控制策略，旨在消除电池系统不良行为的危害，例如高压危害。基于一些碰撞识别指标，开发了电动客车侧面碰撞识别算法和侧面碰撞严重性算法。在对动力电池的断裂时间进行研究的基础上，侧面碰撞识别算法的响应时间约为20 ms，这对侧面碰撞识别算法提出了很大的挑战。同时，针对有限元分析生成的其他可能的侧面碰撞信号，评估了本文开发的碰撞安全控制策略的可靠性。结果证明，冲击安全控制策略具有强大的性能，并且能够迅速，准确地触发动力电池系统的断路信号。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第19期|123626.1-123626.12|共12页
  • 作者

    Wang Zhen-po; Liu Jia; Li Hai-tao; Zhang Lei;

  • 作者单位

    Beijing Inst Technol, Beijing 100081, Peoples R China;

    Beijing Inst Technol, Beijing 100081, Peoples R China;

    Beijing Inst Technol, Beijing 100081, Peoples R China;

    Beijing Inst Technol, Beijing 100081, Peoples R China;

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  • 正文语种 eng
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