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Development of electric Four Wheel Drive System
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  • Journal title : Journal of Drive and Control
  • Volume 13, Issue 1,  2016, pp.10-17
  • Publisher : Korea Society of Fluid Power & Construction Equipments
  • DOI : 10.7839/ksfc.2016.13.1.010
 Title & Authors
Development of electric Four Wheel Drive System
Jo, Hee Young;
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e-4WD(Electric-4WD) system is a 4WD(4-Wheel Drive) System that can transform a car into a Hybrid System. e-4WD consists of a Motor, Inverter, Speed reducer and Clutch. The Motor, Speed reducer and Clutch are installed on the rear sub-frame as a chassis module type. The inverter is installed separately. Compared to a mechanical 4WD, the e-4WD system has many advantages. For example, the reduced number of drivetrain components makes better use of the space. Driving with a motor only at low speed improves fuel economy and reduces exhaust gas. Engine downsizing is available because the motor assists the engine. The performance of a conventional HEV(Hybrid Electric Vehicle) system can also be maintained. This paper proposes the specifications of components and the control logic for an e-4WD System. And the effect of the e-4WD system is proven using a test vehicle equipped with components under various test conditions.
e-4WD;Hybrid System;Motor;Inverter;Speed Reducer;Clutch;
 Cited by
Koichi Kondo, Sumiko Sekiguchi, Michitaka Tsuchida, "Development of an Electrical 4WD System for Hybrid Vehicles", SAE, 2002.

J. Jeong, H. Kim, W. Lim, S. Cha and S. Kang,"Development of Backward Simulation Program Based on Dynamic Programming for 4WD Hybrid Electric Vehicle considering Tire Slip Model", KSAE Spring Conference Proceedings, pp.1851-1855, 2013.

S. Lee, J. Kim, K. Lee, G. Lee, "Study of high-performance control for the vehicle class 30kW IPMSM", KSAE Spring Conference Proceedings, pp.1982-1987, 2013.

Mitsuru Ohba, Hirokazu Suzuki and Takashi Electronically Controlled 4WD System : Toyota Active Torque Control 4WD", SAE, 1999.

Jisoo Lee, Heeyoung Jo, Sangho Lee, "The Study on Torque Distribution Control to Improve Handling Performance for All Wheel Drive", KSAE, 2008

Heinrich Huchtkoetter, Theodor Gassmann, "Vehicle Dynamics and Torque Management Devices", SAE, 2004.