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Reduced Order Battery Thermal Dynamics Modeling for Controls

机译:控制的降阶电池热动力学建模

摘要

A vehicle includes a traction battery that is comprised of a number of cells. A controller operates the traction battery according to a temperature for each of the cells. The temperature is based on a number of coefficients representing a contribution of at least one cell boundary thermal condition and a heat generated in the cell to a steady-state temperature at a predetermined location within the cell. The contributions may be filtered to predict a dynamic response of the temperature to changes in the boundary thermal conditions and the heat generated in the cell. The coefficients may be derived from a full-order model. The resulting reduced-order model requires less execution time while achieving accuracy similar to the full-order model. In addition, a range of characteristic temperatures may be obtained for each cell.
机译:车辆包括由多个电池组成的牵引电池。控制器根据每个电池的温度操作牵引电池。该温度基于代表至少一个单元边界温度条件和单元中产生的热量对单元内预定位置处的稳态温度的贡献的多个系数。可以过滤贡献以预测温度对边界热条件和电池中产生的热的变化的动态响应。系数可以从全阶模型导出。最终的降阶模型需要更少的执行时间,同时达到与全阶模型相似的精度。此外,可以获得每个电池的特征温度范围。

著录项

  • 公开/公告号US2016006087A1

    专利类型

  • 公开/公告日2016-01-07

    原文格式PDF

  • 申请/专利权人 FORD GLOBAL TECHNOLOGIES LLC;

    申请/专利号US201414320722

  • 发明设计人 TAE-KYUNG LEE;XINFAN LIN;

    申请日2014-07-01

  • 分类号H01M10/635;B60L11/18;H01M10/48;G05B15/02;

  • 国家 US

  • 入库时间 2022-08-21 14:31:15

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