An inconsistency assessment method for backup battery packs …
We proposed a method of inconsistency assessment for battery packs based on the clustering quality of time series, and we considered an actual example of lead-acid cells to …
An inconsistency assessment method for backup battery packs …
Effectively assessing the inconsistency in a battery pack helps improve estimations of its state of charge, service condition, and degree of aging. However, it is difficult …
A Copula-based battery pack consistency modeling method …
With the battery pack consistency model, the state of health (SOH) of the battery pack can be estimated. The battery pack SOH indicators can either be defined as the …
An inconsistency assessment method for backup battery packs …
TL;DR: In this paper, an inconsistency evaluation method is deployed for the battery pack based on an improved Gaussian mixture model (GMM) and feature fusion …
Degradation modeling of serial space lithium-ion battery pack …
More common lithium-ion battery degradation modeling methods are selected from references for comparison, including the method of fusion of Kalman filter and relevance vector machine (KF …
Active balancing method for series battery pack based on flyback …
battery pack with four cells connected in series as an example, as shown in Fig. 2. The balancing circuit takes the terminal voltage of the single cells as the battery pack inconsistency index …
Feature Fusion-Based Inconsistency Evaluation for Battery Pack ...
Aiming at tacking this issue, an inconsistency evaluation method is deployed for the battery pack based on an improved Gaussian mixture model (GMM) and feature fusion approach. …
Consistency Evaluation of Electric Vehicle Battery Pack: Multi …
The DF is weighted to evaluate the inconsistency of the battery pack. Further, the weights are assigned through the CRITIC-G1 method. Moreover, a mapping model between the extracted …
An Inconsistency Fault Diagnosis Method for Lithium-Ion Cells in …
Abstract. The inconsistency of cells in the battery pack is one of the main causes of battery failure. In practical applications, the terminal voltage is an important …
Experiment-free physical hybrid neural network approach for battery …
In order to prevent the divergence of the optimization process, it is necessary to set the boundary conditions of the battery inconsistency parameters, where the boundary …
Research on battery pack consistency assessment and fault …
Lithium-ion batteries (LIBs) have become the main power source for electric vehicles and energy storage systems. However, inconsistency and internal short-circuit (ISC) faults of LIBs …
Evaluation of battery inconsistency based on information entropy
The battery pack is moderate inconsistency when the standard deviation is between 20% and 30%. The battery pack is severe inconsistency when the standard deviation …
An Inconsistency Fault Diagnosis Method for Lithium-Ion Cells in …
In this paper, a fault diagnosis method based on piecewise dimensionality reduction and outlier identification is proposed according to the voltage inconsistency of cells …
Evaluation of battery inconsistency based on information entropy
And a comprehensive evaluation method for battery inconsistency is proposed based on the information entropy. Taking the capacity, internal resistance and the ratio of …
Joint Estimation of Inconsistency and State of Health for Series ...
Inconsistency, also known as cell variation, is considered a significant evaluation index that greatly affects the degradation of battery pack. This paper proposes a novel joint …
Joint Estimation of Inconsistency and State of Health …
Inconsistency, also known as cell variation, is considered a significant evaluation index that greatly affects the degradation of battery pack. This paper proposes a novel joint inconsistency and SOH estimation method …
Inconsistency modeling of lithium-ion battery pack based on …
He et al. [23] employed a novel battery pack inconsistency method based on variational auto-encoder (VAE) to generate any amount of parameters samples by training the …
A novel battery pack inconsistency model and influence degree …
Therefore, the influence degree of the battery pack inconsistency on the output energy needs to be studied based on a battery pack inconsistency model, a newly built …
Research on battery pack consistency assessment and fault …
The battery pack fault diagnosis algorithm is constructed by using δ and sample entropy to realize early real-time fault diagnosis of battery packs. Finally, battery pack consistency and ISC faults …
An online SOC and capacity estimation method for aged lithium …
In terms of cell model parameters, considering the cell model parameters inconsistency in the battery pack, it can be simplified to one cell model parameter real-time …
Joint Estimation of Inconsistency and State of Health for Series ...
Inconsistency, also known as cell variation, is considered a significant evaluation index that greatly affects the degradation of battery pack. This paper proposes a novel joint inconsistency …