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4WD 구동토크 배분에 따른 구동계 경량화에 관한 연구
신성광(Sungkwang Shin),고명수(Myungsoo Ko),성명호(Myung-Ho Sung) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
The target of SUV has been changed from an off-road performance to an on-road. A lot of SUV recently accept the electric couplings of on-demand type. Naturally the 4WD characteristics pursue not a traction performance on an off-road but a handling, a vehicle safety and a weight reduction for fuel-efficiency on an on-road. In the present work, we examine the 4WD driveline strength test for the weight-down and try to find the optimized torque distribution of rear wheel through changing the coupling limit torque. The measured rear wheel torque shows that transfer gear ratio is more efficient than the coupling limit torque to decrease the cost and weight of driveline.