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There is a high risk of lower limb injury in the rear-end truck accidents. This study aims to explore the biomechanical mechanism of lower limb injuries by establishing finite element (FE) simulation model of different collisions, and the installation height of the rear anti-collision barrier is analyzed. Using the minibus FE model and the total human model for safety (THUMS4.0) to construct the collisions...
In order to analyze the movement and damage risk of the children in the vehicle offset impact. The paper adopts Q3 dummy and two kinds of child restraint system (5-point harness type, impact shield type CRS) FE model. Based on the acceleration and angel from the crash conditions about frontal impact in 25%, 40% and full overlap, the numerical analysis sled crash models are established. The results...
Pedestrians are at high risk of injuries in traffic accident due to lack of protective equipment. Chest injuries are one of the primary injuries that can cause lifelong disability and death in pedestrian accidents. In order to investigate chest biomechanics response under different frontal structures of vehicles in real world vehicle to pedestrian accidents, the THUMS 4.01 human body FE model and...
This paper proposes a lateral control system based on adaptive pure pursuit algorithm. The lateral control system consists of the path tracker and primitive driver. The path tracker is improved than original pure pursuit method. The original pure pursuit method is influenced by look ahead distance that is dynamically adjusted with velocity. If look ahead distance is short, tracking performance is...
This paper proposes a trajectory generation method for high-speed autonomous vehicles in a structured on-road environment, such as a highway. The proposed method generates a smooth trajectory using G2 cubic Bézier spiral smoothing, based on the current trajectory and the centerline model of a desired lane, and the velocity profile of the trajectory. Using the proposed method, an on-road vehicle can...
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