Powertrain Analysis Of An All-Wheel-Drive Off-Road Electric Vehicle
2019 IEEE VEHICLE POWER AND PROPULSION CONFERENCE (VPPC)(2019)
摘要
With the rapid development of electric vehicles (EVs), the requirement of enhancement of system efficiency and battery lifetime is put in a high priority. This study introduces an efficient improvement of an all-wheel drive (AWD) system. Modified configurations are proposed to compare effective operation with the original topology of a four-wheel drive (4WD) vehicle. Modeling and control are implemented by using Energetic Macroscopic Representation (EMR) formalism. Based on an e-TESC 4WD off-road platform EV, simulation results figure out an increase of 10% overall efficiency for an adapted WLTC driving cycle in a dual-motor AWD system and a lowest cell battery current stress using a unified DC bus battery supply.
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关键词
Electric vehicle (EV), four-wheel dive (4WD), dual-motor all-wheel drive (AWD), unified DC bus supply, Energetic Macroscopic Representation (EMR)
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