2003
DOI: 10.1016/s0378-7753(02)00558-x
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Impedance-based non-linear dynamic battery modeling for automotive applications

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Cited by 158 publications
(86 citation statements)
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“…Another limitation of this method is the difficulty for measurement of impedance when a DC current is superposed on the AC measurement signal in order to characterize the impedance of the battery during charge or discharge phases. With high values of current, the SOC of the battery could be largely modified during the measurements; in this case the impedance is not constant all along the test and compensation drift procedures must be applied [1,19]; -chronopotentiometry is based on the voltage response of the battery when a current profile is imposed. The impedance is obtained with the u(t)/i(t) ratio.…”
Section: Existing Methods For Identification Of the Model Of Batterymentioning
confidence: 99%
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“…Another limitation of this method is the difficulty for measurement of impedance when a DC current is superposed on the AC measurement signal in order to characterize the impedance of the battery during charge or discharge phases. With high values of current, the SOC of the battery could be largely modified during the measurements; in this case the impedance is not constant all along the test and compensation drift procedures must be applied [1,19]; -chronopotentiometry is based on the voltage response of the battery when a current profile is imposed. The impedance is obtained with the u(t)/i(t) ratio.…”
Section: Existing Methods For Identification Of the Model Of Batterymentioning
confidence: 99%
“…The reasons are [1]: -batteries are not stationary due to the SOC variation and diffusion phenomenon; -they are systems highly non-linear regarding to the current, temperature, etc. Two families of identification of the model parameters, temporal and frequency, are currently used but not necessarily for the same purpose.…”
Section: Introductionmentioning
confidence: 99%
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“…where ā 1 is normalised to unity and the basis functions of the static output non-linear functions g i (x), in the last term of (17), are considered to be known a priori. Therefore, they can be described by a function of time ḡ i (t) = g i (x(t)) if x(t) is known.…”
Section: Problem Reformulation Based On Wfc Modelmentioning
confidence: 99%
“…The application of impedance spectroscopy to large industrial batteries at low frequencies is discussed in [18], however, the resulting low frequency data is not directly applicable to HEV use due to the dynamic nature of driving patterns and the extremely long time constant involved in the measurements. Furthermore, impedance techniques to model parameter quantities for a 36V mild hybrid battery, is discussed in [19], and the impedance measurement of small to medium sized lead acid cells in [20].…”
Section: B Cell Parameter Characterizationmentioning
confidence: 99%