An Equivalent Circuit Model With Variable Effective Capacity for Batteries
C Blanco, L Sanchez, M Gonzalez… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
IEEE Transactions on Vehicular Technology, 2014•ieeexplore.ieee.org
A new approach to equivalent circuit models for LiFePO 4 batteries is presented in this
paper. The proposed battery model is a semi-physical nonlinear dynamic model with
variable effective capacity. Fuzzy logic has been used to capture the nonlinear behavior of
the battery in combination with continuous-time differential equations. Fuzzy logic blocks are
embedded in a state-space dynamic model as nonlinear constructive blocks. The proposed
model has been validated for three different LiFePO 4 batteries. The model provides an …
paper. The proposed battery model is a semi-physical nonlinear dynamic model with
variable effective capacity. Fuzzy logic has been used to capture the nonlinear behavior of
the battery in combination with continuous-time differential equations. Fuzzy logic blocks are
embedded in a state-space dynamic model as nonlinear constructive blocks. The proposed
model has been validated for three different LiFePO 4 batteries. The model provides an …
A new approach to equivalent circuit models for LiFePO 4 batteries is presented in this paper. The proposed battery model is a semi-physical nonlinear dynamic model with variable effective capacity. Fuzzy logic has been used to capture the nonlinear behavior of the battery in combination with continuous-time differential equations. Fuzzy logic blocks are embedded in a state-space dynamic model as nonlinear constructive blocks. The proposed model has been validated for three different LiFePO 4 batteries. The model provides an intuitive physical analogy between charging LiFePO 4 batteries and filling a semi-rigid tank, which is useful for explanatory purposes.
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