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SOC Estimation of a Rechargeable Li-Ion Battery Used in Fuel-Cell Hybrid Electric Vehicles—Comparative Study of Accuracy and Robustness Performance Based on Statistical Criteria. Part I: Equivalent Models
| Content Provider | MDPI |
|---|---|
| Author | Tudoroiu, Roxana-Elena Zaheeruddin, Mohammed Tudoroiu, Nicolae Radu, Sorin-Mihai |
| Copyright Year | 2020 |
| Description | Battery state of charge (SOC) accuracy plays a vital role in a hybrid electric vehicle (HEV), as it ensures battery safety in a harsh operating environment, prolongs life, lowers the cost of energy consumption, and improves driving mileage. Therefore, accurate SOC battery estimation is the central idea of the approach in this research, which is of great interest to readers and increases the value of its application. Moreover, an accurate SOC battery estimate relies on the accuracy of the battery model parameters and its capacity. Thus, the purpose of this paper is to design, implement and analyze the SOC estimation accuracy of two battery models, which capture the dynamics of a rechargeable SAFT Li-ion battery. The first is a resistor capacitor (RC) equivalent circuit model, and the second is a generic Simscape model. The model validation is based on the generation and evaluation of the SOC residual error. The SOC reference value required for the calculation of residual errors is the value estimated by an ADVISOR 3.2 simulator, one of the software tools most used in automotive applications. Both battery models are of real interest as a valuable support for SOC battery estimation by using three model based Kalman state estimators developed in Part 2. MATLAB simulations results prove the effectiveness of both models and reveal an excellent accuracy. |
| Starting Page | 42 |
| e-ISSN | 23130105 |
| DOI | 10.3390/batteries6030042 |
| Journal | Batteries |
| Issue Number | 3 |
| Volume Number | 6 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-08-14 |
| Access Restriction | Open |
| Subject Keyword | Batteries Energy and Fuel Technology Saft Lithium-ion Battery Simscape Model 3rc Ecm Li-ion Battery Model State of Charge Advisor Estimate |
| Content Type | Text |
| Resource Type | Article |
