1IoT-Based Battery Management System for Hybrid Electric Vehicle
P. Sivaraman1* and C. Sharmeela2
1 Leading Engineering Organisation, Chennai, India
2 CEG, Anna University, Chennai, India
Abstract
The basic function of the BMS are to monitoring and control the battery process such as charging and discharging cycle, ensure the healthy condition of the battery, minimizing the risk of battery damaging by ensuring optimized energy is being delivered from the battery to power the vehicle. The use of monitoring circuit in BMS will monitor the key parameters of the battery like voltage, current, temperature during both charging and discharging situation. It estimates the power, State of Charge (SoC), State of Health (SoH) and ensures the healthiness based on the measurement. Balancing the cell is one of the important features of the BMS system. It will monitor the individual cells/group of cells connected in parallel and balancing the cells online. It also conducts the diagnostics of the battery to ensure the safe operation. If, BMS identified any one cell is weak, it will give intimation or alarm for cell replacement. It also provides the protection against overcharging, undercharging, overcurrent, under voltage, short circuit and temperature variations (low and high temperature). In recent years, Internet of Things (IoT) plays a major role in monitoring and control, also it enables the remote data logging facility for battery parameters, conditions, etc.
Keywords: Electric vehicles, ...
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