Crosstalk Interferences on Impedance Measurements in Battery Packs

被引：18
作者：
Raijmakers, L. H. J. [1 ,2 ]
Shivakumar, K. M. [2 ]
Donkers, M. C. F. [2 ]
Lammers, M. J. G. [3 ]
Bergveld, H. J. [2 ,3 ]
机构：
[1] Delft Univ Technol, NL-2600 AA Delft, Netherlands
[2] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands
[3] NXP Semicond, Eindhoven, Netherlands
来源：
IFAC PAPERSONLINE | 2016年 / 49卷 / 11期
关键词：
Crosstalk; Batteries; Electrochemical Impedance Spectroscopy; Electromagnetic interferences; Battery packs; Crosstalk modeling; STATE-OF-CHARGE; SPECTROSCOPY; TEMPERATURE;
D O I：
10.1016/j.ifacol.2016.08.007
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In order to provide the required power and energy for e.g. automotive applications, a multitude of cells is assembled into a battery pack. For safety and control purposes it is of interest to equip every single cell with an Electrochemical Impedance Spectroscopy (EIS) measurement system. However, performing EIS measurements simultaneously on each cell in a battery pack introduces crosstalk interferences in surrounding cells. This causes EIS measurements in battery packs to be inaccurate. An experimental investigation on a battery pack showed that crosstalk is a linear phenomenon which is dependent on the measurement frequency, the relative position of the cells and the inter-cell spacing. Based on the experimental results and a proposed two-coil model with inductive coupling, a transfer-function description has been developed in order to simulate the crosstalk behavior. This model can be used as a supporting tool in the development of ElS-based measurement systems in battery packs. (C) 2016, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
引用
收藏
页码：42 / 47
页数：6
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