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Adaptive state of charge (SOC) estimator for a battery
2006 American Control Conference, 2006This work proposes an adaptive least-squares estimation strategy to determine the state of charge (SOC) for an electro-chemical battery. An estimation analysis is presented which proves that under a set of qualifying conditions, that the SOC of the battery can be estimated.
Michael L. McIntyre +3 more
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Combination Algorithm for State of Charge Estimation
2013 International Conference on Communication Systems and Network Technologies, 2013When using the Ah counting method to estimate state of charge of battery on electric vehicle, it is difficult to measure the initial SOC, and will bring accumulated errors. In order to solve the above problem, we design an algorithm which integrates the open circuit voltage method (OCV), Kalman filter (KF) and Ah counting method (Ah) in this paper ...
null Bo Zhang +2 more
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On battery State of Charge estimation: A new mixed algorithm
2008 IEEE International Conference on Control Applications, 2008A new SoC estimation algorithm is presented. The estimation is performed mixing the Coulomb-Counting and the Model-Based estimation approaches. The algorithm was tested on a brand new lithium-ion cell which use a nanoscale technology able to grant a more powerful and safer lithium-ion battery than the batteries currently on the market. The cell, called
CODECÀ F +2 more
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Li-ion battery parameter estimation for state of charge
Proceedings of the 2011 American Control Conference, 2011Battery state of charge (SOC) is a critical parameter for the control of propulsion systems in plug-in hybrid electric vehicles (PHEV) and electric vehicles (EV). As SOC is not measureable during vehicle operation, an onboard adaptive algorithm is developed in this paper.
Xidong Tang +3 more
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Online Estimation of State-of-Charge, State-of-Health and Temperature of Supercapacitor
2020 IEEE International Symposium on Circuits and Systems (ISCAS), 2020Supercapacitor (SC), also known as ultracapacitor or electric double layer capacitor has found wide application areas to be used as stand-alone energy storage device or in combination with other energy storage technologies like battery and fuel cell. Some of the potential applications are flash memory, wireless sensor network (WSN), electric vehicle ...
Saha, Pankaj, Khanra, Munmun
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A new method to estimate the state of charge of the green battery
Microelectronics Reliability, 2017Abstract Green batteries have attracted great attention due to the characteristics of its high performance and non-pollution. In order to understand the working condition of the batteries and get a better estimation effect on the state of charge (SoC), the following works had been done in NMC18650 lithium ion battery.
Ling-Ling Li 0001 +3 more
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Robust state-of-charge estimation of ultracapacitors for electric vehicles
2015 IEEE 13th International Conference on Industrial Informatics (INDIN), 2015Ultracapacitors (UCs) are an important energy storage technology in automotive and grid applications. They have several advantages, including high power density and extraordinarily long lifespan. Accurate State-of-Charge (SOC) tracking of UCs is critical for the reliability, resilience, and safety in system operation. This paper presents a novel robust
Lei Zhang 0053 +3 more
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Online Estimation of the State of Charge of a Lithium Ion Cell
ECS Meeting Abstracts, 2006Abstract not Available.
Santhanagopalan, Shriram +1 more
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A Robust Algorithm for State-of-Charge Estimation With Gain Optimization
IEEE Transactions on Industrial Informatics, 2017The charging and discharging procedure of a battery is a typical electrochemical process, which can be modeled as a dynamic system. State of charge (SoC) is a commonly used measure to quantify the charge stored in the battery in relation to its full capacity. Recent efforts of optimizing battery performance require more accurate SoC information.
Shaheer Muhammad +5 more
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State-of-charge estimation for supercapacitors: A Kalman filtering formulation
2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2014Supercapacitors are an attractive option for energy buffering because of their high efficiency, durability, and low environmental impact. For energy-aware applications, it is desirable to accurately estimate the buffered energy. Under conditions of varying energy supply and demand, estimation of buffered energy by using only the supercapacitor terminal
Andrew Nadeau +2 more
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