新能源汽车燃料电池内阻检测原则及参数检测系统设计

Principles of Internal Resistance Detection and Design of Parameter Detection System for New Energy Vehicle Fuel Cells

通过研究分析了燃料电池的等效模型及其内阻测试的原理,采用激励源施加正弦波测量内阻的方法将正弦波信号引入燃料电池中,通过分析燃料电池输出的信号获得内阻参数。参照内阻测试原理设计测试方案,用软件仿真测试方案,在Proteus中设计仿真电路模型,设计燃料电池模型参数,分析内阻特性,仿真实验通常是通过内阻检测的仿真平台进行,得出的实验结果确定检测方法是否可行。通过建模分析研究该系统,确定方案的可操作性,为检测系统提供基础依据。确定内阻结果,需要借助进行编程控制芯片,然后绘制电路板制作实物,并搭建实物检测平台采集数据。

Analyzed the equivalent model of fuel cells and the principle of internal resistance test.The sine wave signal was introduced into fuel cells by the method of applying sine wave to the excitation source to measure the internal resistance.The internal resistance parameters were obtained by analyzing the signal output of fuel cells.The test plan is designed according to the internal resistance test principle,and the test plan is simulated by software.The simulation circuit model is designed in Proteus,the parameters of the fuel cell model are designed,and the internal resistance characteristics are analyzed.The simulation experiment is usually carried out through the simulation platform of internal resistance detection,and the experimental results are obtained to determine whether the detection method is feasible.The system is studied by modeling analysis,and the operability of the scheme is determined,which provides the basic basis for the detection system.To determine the result of internal resistance,it is necessary to control the chip by programming,and then draw the circuit board to make the physical object,and build the physical detection platform to collect data.