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This paper presents the process and results of the simulation and validation of a battery management system.The goal of this project is to design a battery management system and power management system for use in a Hybrid Electric Vehicle (HEV).The system must be capable of seamlessly transitioning between two power sources and must also contain a controller capable of automatically executing this switch, based on user defined conditions.The system will also deliver live State of Charge (SOC) and State of Health (SOH) data from the system's battery bank.The primary energy sources used in this project are Ni-MH rechargeable batteries connected modularly to form component packs, which are then connected to form a larger bank.The loads are 2 sets of TT DC Gearbox Motor 3-6V Gear with Tire Wheel that are connected to a Pulse Width Modulation (PWM) circuit to operate at different speeds.Analog and digital sensors are connected to read voltage and current data from the system, which is then analyzed on a connected computer.The current sensor is a Gikfun 20A Range Current Sensor ACS712 and the voltage sensor is a Diymall Voltage Sensor DC0-25v.The real time measurement data is analyzed and plotted for the current, voltage, and power in MATLAB.The design and system simulations are constructed using MATLAB Simulink.The motivation of this project is to develop knowledge and skills in battery management and power storage systems.To remain technologically competitive with the maritime sector at large, the Coast Guard must evaluate the possible applications of Electric Vehicles (EVs) and Fuel Cell Hybrid Electric Vehicles (FCHEVs) in the operational and support domains.Carried out at the United States Coast Guard Academy, this project was completed by a team of undergraduate Electrical Engineering students as a culminating project in earning their degrees.
Huminski et al. (Tue,) studied this question.