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Battery SOC and SOH Estimation
2019Battery SOC and SOH estimation are core functions performed by the BMS. Accurate SOC and SOH estimation can ensure the safe and reliable operation of the battery system, and provide the basis for energy management and safety management of EVs. However, batteries exhibit the characteristics of limited measurable parameters, coupling feature, degradation
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ESL Based SoC System Bandwidth Estimation Method
2011The increasing complexity of system-on-a-chip (SoC) design is challenging the design engineers to estimate the system bandwidth. A method of SoC system bandwidth estimation based on electronic-system-level (ESL) is proposed, which estimates the system bandwidth by transaction-level-modeling (TLM) and analysis depended on simulation.
Zhen Xie +3 more
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2019 4th International Conference on Smart and Sustainable Technologies (SpliTech), 2019
The OCV-SOC curve is commonly used in SOC estimation and other battery management system (BMS) applications. Since the OCV indicates the magnitude of the charged battery voltage, the differs between estimated OCV-SOC curve and actual OCV-SOC curve are directly reflected in the accuracy of the SOC estimation and terminal voltage of model simulation ...
Youngbin Song +3 more
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The OCV-SOC curve is commonly used in SOC estimation and other battery management system (BMS) applications. Since the OCV indicates the magnitude of the charged battery voltage, the differs between estimated OCV-SOC curve and actual OCV-SOC curve are directly reflected in the accuracy of the SOC estimation and terminal voltage of model simulation ...
Youngbin Song +3 more
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Battery SoC Estimation from EIS using Neural Nets
2020 IEEE Transportation Electrification Conference & Expo (ITEC), 2020In this paper, a battery state of charge (SoC) estimation strategy with deep neural networks (DNN) and Electrochemical Impedance Spectroscopy (EIS) is proposed. EIS data was obtained for a range of conditions and was used as inputs to a DNN. Additionally, a battery model was fit to the data, and the model parameters were used as inputs to a second DNN.
Marvin Messing +3 more
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SOC Estimation of LiFeO4 Battery Energy Storage System
2010 Asia-Pacific Power and Energy Engineering Conference, 2010Battery energy storage system as the voltage regulator device is widely used in distributed power generation system. LiFeO4 battery has broad application prospects in the energy storage system. Based on a large number of test data, the characteristic of LiFeO4 battery is analyzed systemically, and the battery equivalent circuit model is established ...
Chenglin Liao, Zining Tang, Lifang Wang
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Hardware resource estimation for heterogeneous FPGA-based SoCs
Proceedings of the Symposium on Applied Computing, 2017The increasing complexity of recent System-on-Chip (SoC) designs introduces new challenges for design space exploration tools. In addition to the time-to-market challenge, designers need to estimate rapidly and accurately both performance and area occupation of complex and diverse applications.
Mariem Makni +3 more
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SOC Estimation for Battery of Electric Vehicles
2022Accurate estimation of the state of charge of batteries is critical for the reliable operation of battery packs, not only in electric vehicles, but also in hybrid electric vehicles, unmanned aerial vehicles and smart grid systems. In this study, a model based on the Bagging-Random Forest approach is proposed to predict the value of the state of charge ...
KESKİN, Büşra +3 more
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Battery SOC Estimation Based on LM-ICDKF Algorithm
2017 10th International Conference on Intelligent Computation Technology and Automation (ICICTA), 2017In order to estimate the accurate and real-time dynamic battery state of charge (SOC), owing to greater errors of extended Kalman filter (EKF) in estimating SOC, a method has been proposed to estimate the battery SOC based on LM-ICDKF algorithm. By using the two order RC equivalent circuit model, the MATLAB simulation tools are used to simulate the ...
Youyu Wu, Zhixiong Xia, Xiaoyu Liang
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Adaptive online battery parameters/SOC/capacity co-estimation
2013 IEEE Transportation Electrification Conference and Expo (ITEC), 2013Total capacity is one of the most important parameters to characterize the performance and application of a battery. Although the nominal capacity is provided by the manufacturer, the actual capacity is subject to change with cycling effect, temperature and even storage ageing of the battery. Following our previous publications in which we developed an
Habiballah Rahimi-Eichi, Mo-Yuen Chow
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