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This paper presents the results of research into the application of an active battery switching system in an electric vehicle's drivetrain. The system's purpose is to increase the drivetrain's electrical efficiency, especially in the partial-load range. Efficiency is increased using a switching system that allows the vehicle's traction-battery circuitry to be changed during operation, thereby adjusting...
A H infinity observer based method is proposed to estimate the state of charge (SOC) for a series-connected battery pack for electric vehicles. In this method, an average virtual cell (AVC) model is defined and the SOC of the AVC model is estimated to represent the pack SOC when all terminal voltage differences (TVD) between each individual cell in the pack and the AVC are within a voltage value set...
Personnel transport vehicles in underground mines are used to transport miners and light equipment within the mine, and are generally driven by diesel engines. To reduce the emission, the eco-friendly electric vehicles (EVs) have been introduced in underground mining. This EV consists of a wheel/axle, final drive, traction motor and energy storage. The model of this vehicle is developed based on the...
Vehicle dynamics data in different maneuvering condition is vital for developing more robust control approach. This study includes the calculation of center of gravity (CG) in case of retrofitting of a vehicle to maintain the mass redistribution of the vehicle as existing or to make it better by analyzing the effect on cornering dynamics of the vehicle. It comprises a comparative study on the optimal...
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