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This paper starts with depicting the test series carried out by the Transportation Active Safety Institute, with two cars equipped with pedestrian automatic emergency braking (AEB) systems. Then, an AEB analytical model that allows the prediction of the crash speed, stopping distance, and stopping time with a high degree of accuracy is presented. The model has been validated with the test results...
In those countries where driving automobiles on the right is the rule, multi-lane freeways often employ the keep-right-except-to-pass rule. To assess the performance of this rule in terms of traffic flow, safety and posted speed limit, we build a dynamic model for mixed traffic flow. In order to analyze easily and clearly, the road is divided into three kinds of road sections. By solving the dynamic...
In this paper, on the safe distance for anti-collision systems, two vehicle speed and road environment. Kinematics analysis of vehicle braking process, this paper establishes the road surface characteristics and different longitudinal motion state of vehicles safety distance model, and analysis of the relationship between the parameters of its influence on safe distance. By fuzzy inference forecast...
In a traffic accident, a high speed as well as a second collision would cause injury to the passengers. To protect passengers from possible head injury, based on WSTC Curve, requirements are put forward on the crush deformation of the collision-proof components in the frontal part of a vehicle in the light of Kinematics and Injury Biomechanics, from which the safety of collision-proof structures in...
To further study the crank-slider-CST protective device, the finite element models of car and truck with different kinds of low rear protective devices were built in VPG firstly. Then the full width rear-end crash simulation at the speed of 32Km/h was carried out in LS-DYNA. Finally, compared the acceleration, rebound velocity and inserting displacement of the front axis of the car. The simulation...
The growing consumerism poses a challenge to new product development. Consumerism, in an abstract sense, is the belief that the free choice of consumers should dictate the economic structure of a society. With the increasing choice of product attributes the designer's job in incorporating the true voice of customers becomes increasingly challenging. We have presented here a solution for the same,...
An innovation feature of this study is modeling real-time car-following risk based on probabilistic concepts. First of all, this paper divided the process of rear-end collision into two stages: first stage is leading vehicle decelerates and the second is the following vehicle can not avoid the collision on the condition of it. On the basis of that, the probability of rear-end collision which used...
Electronic control units and on-board networks for automotive applications cover a big variety of functions that in many cases are responsible of safety critical behavior of the vehicle. Safety needs and goals claim that the software involved in such functions be designed by adopting opportune methods and practices. The paper presents a survey on most of these practices in the light of emerging standards.
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