Injury characteristics and protection of driver's tibia caused by accelerator pedal mounted on floor in frontal offset collision
The driver's femur and tibia injury characteristics from the accelerator pedal mounted on floor in Euro NCAP frontal offset crash were investigated with formulating corresponding femur and tibia protection strategy.Including analyzing the characteristics of the foot kinematics and the injury curves during crash test for two kinds of vehicles equipped respectively with a body front panel and a floor mounted accelerator pedal on a same platform.An advanced strategy of femur and tibia protection was proposed by using tests and finite element simulation analysis,and was verified in the vehicle crash test.The results show that the tibia injury for the accelerator pedal on body front panel generates mainly in the lower tibia with the high bending moment in X direction caused by foot outward rotation;The injuries of the floor mounted accelerator pedal are small,which occurred in the upper tibia and femur with a high bending moment in Y direction and knee slider displacement caused by the impact of the tibia on the dashboard.By using the advanced strategy,the knee slider is improved by 72.2%with an upper tibia index(TI)of 48.6%compared to the strategy before optimization,while the knee slider displacement(DS)is improved by 11.5%with an upper tibia index of 25%compared to the stages of vehicle mounted accelerator pedal on body front panel.
NETL
NSTL
万方数据
