Zerrendatu honen arabera: egilea "c9ddd451c7b28b8d68004036eb18c745"
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Comparison between Bernardi’s equation and Heat Flux Sensor measurement as Battery Heat Generation Estimation Method
Miguel, Eduardo; Oca, Laura; IRAOLA, UNAI; Gallo, Marlon (2022)The heat generation of an energy storage system is an essential topic when designing a battery pack and its cooling system. Heat generation estimation is used together with thermal models to predict battery temperature in ... -
Creating a Robust SoC Estimation Algorithm Based on LSTM Units and Trained with Synthetic Data
Azkue, Markel; Miguel, Eduardo; Oca, Laura; IRAOLA, UNAI (MDPI, 2023)Creating SoC algorithms for Li-ion batteries based on neural networks requires a large amount of training data, since it is necessary to test the batteries under different conditions so that the algorithm learns the ... -
Dynamic Wireless Power Transfer DWPT Time Domain model: xyz position and speed coupling effect
Aizpuru, Iosu; Agirrezabala, Eneko; Mazuela, Mikel; IRAOLA, UNAI (IEEE, 2022)The paper presents a DWPT system time domain model which considers speed and position (x, y, z) coupling effects. The speed effect compared to static WPT, presents an active behavior that should be considered during the ... -
Electro-thermal optimization of an energy storage sytem based on Li-Ion batteries
IRAOLA, UNAI (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2014)Advances in the field of energy have contributed significantly to the development of our society. The increase of the energy consumption joined to the possible extinction of fossil fuels requires finding the maximum ... -
Electrochemical Model and Sigma Point Kalman Filter Based Online Oriented Battery Model
Miguel, Eduardo; Lopetegi, Iker; Oca, Laura; IRAOLA, UNAI (IEEE, 2021)This paper presents a reduced-order electrochemical battery model designed for online implementation of battery control systems. This model is based on porous-electrode and concentratedsolution theory frameworks and is ... -
Impact of silicon carbide devices in 2 MW DFIG based wind energy system
Arrizabalaga, Antxon; Idarreta Garate, Aitor; Mazuela, Mikel; Aizpuru, Iosu; IRAOLA, UNAI (IEEE, 2020)Renewable energies are going through a major increment, mainly wind and photovoltaic energies, being market competitiveness the main driver for their massive penetration. As power converters are used to interface renewable ... -
Li-ion Battery State-of-Charge estimation algorithm with CNN-LSTM and Transfer Learning using synthetic training data
Azkue, Markel; Oca, Laura; IRAOLA, UNAI (2022)The development of State-of-Charge (SoC) algorithms for Li-ion batteries involves carrying out different laboratory tests with the money and time that this entails. Furthermore, such laboratory labours must typically be ... -
Lithium-ion Battery Aging Prediction with Electrochemical Models: P2D vs SPMe
Lopetegi, Iker; Yeregui, Josu; Oca, Laura; Rojas Garcia, Clara; IRAOLA, UNAI (IEEE, 2023)Battery aging models are essential tools when predicting how much a battery will age under certain working conditions, which is key when sizing a battery pack and controlling its operation. Nowadays, mostly empirical battery ... -
Lithium-ion Capacitor Safety Assessment under Electrical Abuse Tests based on Ultrasound Characterization and Cell Opening
Oca, Laura; IRAOLA, UNAI (Elsevier, 2019)Safety issues related to lithium-ion batteries are a driving force in the search for new energy storage systems. Lithium-ion capacitors are becoming recognised as promising devices to address the question of safety. These ... -
Medium-Voltage AC Static Switch Solution to Feed Neutral Section in a High-Speed Railway System
Canales, Jose Maria; Aizpuru, Iosu; IRAOLA, UNAI; Barrena, Jon Andoni; Barrenetxea, Manex (MDPI AG, 2018) -
Methodology for thermal modelling of lithium-ion batteries
IRAOLA, UNAI; Aizpuru, Iosu; Canales, Jose Maria; Etxeberria Larrazabal, Ander; Gil, Imanol (IEEE, 2013)Temperature is a determinant parameter in terms of performance, lifespan and safety working with li-ion batteries. Working above 45°C, in hot climates, has direct influence in the cycle life of the battery and can cause a ... -
Model Predictive Control for EV Chargers Coupling Electro-Thermal and Degradation Battery Models
Dorronsoro, Xabier; GARAYALDE, ERIK; IRAOLA, UNAI (IEEE, 2023)This paper presents an energy management algorithm for an Electric Vehicle (EV) charging station equipped with solar energy generation and local battery-based storage. For this purpose, a practical electric, thermal, and ... -
Modular battery energy storage system design factors analysis to improve battery-pack reliability
Dorronsoro, Xabier; GARAYALDE, ERIK; IRAOLA, UNAI (Elsevier, 2022)Traditional battery energy storage systems (BESS) are based on the series/parallel connections of big amounts of cells. However, as the cell to cell imbalances tend to rise over time, the cycle life of the battery-pack is ... -
Modular Battery Energy Storage Systems for Available Energy Increase
Dorronsoro, Xabier; Lopetegi, Iker; GARAYALDE, ERIK; IRAOLA, UNAI; Yeregui, Josu (IEEE, 2022)The aim of this work is to dive into the available energy of different configurations of battery packs, a vital factor when it comes to improving the driving range of electric vehicles. To that end, two different storage ... -
Modular Battery Systems’ Accessible Energy Analysis
Dorronsoro, Xabier; GARAYALDE, ERIK; IRAOLA, UNAI; Aizpurua, Manex (2022)One of the main concerns regarding traditional battery energy storage systems (BESS) is how to solve issues related to cell inhomogeneities. This problem commonly ends up reducing the accessible energy level, especially ... -
Module-Level Modelling Approach for a Cloudbased Digital Twin Platform for Li-Ion Batteries
Miguel, Eduardo; IRAOLA, UNAI (IEEE, 2022)The pursue of the new increasingly intelligent, and heavier state estimation algorithms requires a significant amount of data and computing power, which may challenge their deployment in current BMS solutions. To address ... -
A New Battery SOC/SOH/eSOH Estimation Method Using a PBM and Interconnected SPKFs: Part I. SOC and Internal Variable Estimation
Lopetegi, Iker; Oca, Laura; IRAOLA, UNAI (IOP Publishing, 2024)Battery management systems (BMSs) are required to estimate many non-measurable values that describe the actual operating condition of batteries; such as the state of charge (SOC) or the state of health (SOH). In order to ... -
A New Battery SOC/SOH/eSOH Estimation Method Using a PBM and Interconnected SPKFs: Part II. SOH and eSOH Estimation
Lopetegi, Iker; Oca, Laura; IRAOLA, UNAI (IOP Publishing, 2024)Battery management systems (BMSs) are required to estimate many non-measurable values that describe the actual operating condition of batteries; such as state of charge (SOC) or state of health (SOH). In order to improve ... -
A new equivalent circuit model parametrization methodology based on current pulse tests for different battery technologies
Arregi, Oier; Agirrezabala, Eneko; IRAOLA, UNAI; Yeregui, Josu (MDPI, 2021)With growing global commitment to renewable energy generation, the role of energy storage systems has become a central issue in traction power applications, such as electric vehicles, trains, and elevators. To achieve the ... -
Physico-chemical parameter measurement and model response evaluation for a pseudo-two-dimensional model of a commercial lithium-ion battery
Oca, Laura; Miguel Garcia de Cortazar, Eduardo; Agirrezabala, Eneko; IRAOLA, UNAI (Elsevier, 2021)To effectively evaluate battery performance by means of electrochemical modelling, a consistent set of parameters is essential. The aim of this work is to provide a complete physico-chemical methodology to measure all the ...