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Development of a Motor Torque Distribution Strategy of Six-wheel-Driven Electric Vehicles for Optimized Energy Consumption
Technical Paper
2013-01-1746
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper describes a driving motor torque distribution strategy of six-wheel-driven electric vehicles for optimized energy consumption. In this research, this strategy minimizes motoring power consumption and maximizes regenerative braking power under given required power condition. The torque distribution controller consists of total required motor torque calculation part, upper and optimal torque calculation part, lower level controller. The upper level controller determines total required torque of vehicle. And the torque is determined by acceleration pedal input of driver and vehicle velocity. The lower level controller calculates energy consumption in given condition and distributes motor torque to driving motor minimizing energy consumption. In distributing optimal motor torque, it is important to get accurate characteristics of driving motor and performance constraint. Motor efficiency is determined by motor speed and operating torque and maximum torque is a function of motor speed. The proposed motor torque distribution strategy has been evaluated via computer simulation of energy consumption for representative driving mode.
Authors
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Citation
Yun, S., Yi, K., Cheon, S., and Yoon, Y., "Development of a Motor Torque Distribution Strategy of Six-wheel-Driven Electric Vehicles for Optimized Energy Consumption," SAE Technical Paper 2013-01-1746, 2013, https://doi.org/10.4271/2013-01-1746.Also In
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