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The battery state of charge (SOC) is an important parameter for the electrical vehicle. Its estimation is an important function of the electric vehicle battery management system. In this paper, definition of SOC is discussed; fundamental characteristics are also introduced. Many kinds of estimation tactics of SOC are described at the moment. The advantages and disadvantages of these methods during...
In this paper presents a power monitoring circuit for battery energy management system using operational amplifiers. The proposed scheme consists of a current sensing circuit with voltage output and an analog multiplier. The voltage output of current sensing circuit is directly proportional to load current. The multiplying result of the load current in the form of voltage signal and the load voltage...
This paper describes a method that uses to predict and estimation of the state-of-charge (SOC), instantaneous available power information to very accurately. We proposed a Kalman Filtering based a prediction approach which has been implemented into the microcontroller for the real time dynamic state estimation. This paper we also proposed a Kalman Filter based method that uses dynamic cell model and...
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