A collision model for safety evaluation of autonomous intelligent cruise control


Touran, Ali, Brackstone, Mark A. and McDonald, Mike (1999) A collision model for safety evaluation of autonomous intelligent cruise control. Accident Analysis & Prevention, 31, (5), 567-578. (doi:10.1016/S0001-4575(99)00013-5 ).

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Description/Abstract

This paper describes a general framework for safety evaluation of autonomous intelligent cruise control in rear-end collisions. Using data and specifications from prototype devices, two collision models are developed. One model considers a train of four cars, one of which is equipped with autonomous intelligent cruise control. This model considers the car in front and two cars following the equipped car. In the second model, none of the cars is equipped with the device. Each model can predict the possibility of rear-end collision between cars under various conditions by calculating the remaining distance between cars after the front car brakes. Comparing the two collision models allows one to evaluate the effectiveness of autonomous intelligent cruise control in preventing collisions. The models are then subjected to Monte Carlo simulation to calculate the probability of collision. Based on crash probabilities, an expected value is calculated for the number of cars involved in any collision. It is found that given the model assumptions, while equipping a car with autonomous intelligent cruise control can significantly reduce the probability of the collision with the car ahead, it may adversely affect the situation for the following cars.

Item Type: Article
ISSNs: 0001-4575 (print)
1879-2057 (electronic)
Keywords: autonomous intelligent cruise control (aicc), collision, monte carlo simulation, risk assessment, human behaviour
Subjects: H Social Sciences > HE Transportation and Communications
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions: University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 74696
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:53
URI: http://eprints.soton.ac.uk/id/eprint/74696

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