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@ARTICLE{Hong:838912,
      author       = {Hong, Po and Jiang, Hongliang and Li, Jian and Xu, Liangfei
                      and Ouyang, Minggao},
      title        = {{M}odeling and {E}xperiment {V}alidation of the {DC}/{DC}
                      {C}onverter for {O}nline {AC} {I}mpedance {I}dentification
                      of the {L}ithium-{I}on {B}attery},
      journal      = {SAE International journal of alternative powertrains},
      volume       = {6},
      number       = {2},
      issn         = {2167-4191},
      address      = {Warrendale, Pa.},
      publisher    = {Soc.},
      reportid     = {FZJ-2017-07418},
      pages        = {233-245},
      year         = {2017},
      abstract     = {The lithium-ion battery plays an important role in saving
                      energy and lowering emissions. Many parameters like
                      temperature have an influence on the characteristic of the
                      battery and this phenomenon becomes more serious in an
                      electric vehicle. In this paper, the application of a boost
                      DC/DC converter to the battery system of high power for
                      online AC impedance identification is proposed. The function
                      of the converter is to inject a current excitation signal
                      into the battery at work and the normal output current is
                      drawn by a load. Through analyzing the average state space
                      equations and deriving the small signal model of the
                      converter, the gain function is deduced of the fluctuated
                      current signal against the fluctuated duty cycle which
                      controls the converter. The control algorithm is designed
                      and the system model is verified using Matlab/Simulink with
                      respect to the disturbance current signal generation, the
                      gain function and its variation with frequency range. Then
                      the converter is designed and implemented to conduct the
                      experiment on a power battery of 175Ah and the nominal
                      voltage is 100V. The measured AC impedance of several single
                      cells is presented and it demonstrates the feasibility of
                      applying this DC/DC converter to the practical electric
                      vehicle.},
      organization  = {WCX™ 17: SAE World Congress
                       Experience,},
      cin          = {IEK-3},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-3-20101013},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000413293900007},
      doi          = {10.4271/2017-01-1198},
      url          = {https://juser.fz-juelich.de/record/838912},
}