The ability to identify driving risk status plays an important role for reducing the number of traffic accidents. Bayesian networks (BNs) was applied to extract the main factors that significantly influence driving risk status. Five factors (driver state, sex, experience, vehicle state, and environment) were selected and considered to significantly influence driving risk status based on driving simulation experiments. Next, a logistic regression algorithm was employed to establish the driving risk status prediction model, and the receiver operating characteristic curve was adopted to evaluate the performance of the prediction model. The area under the curve was 0.903, indicating that the prediction model was both adaptable and practical. In addition, this study also compared three different models, namely modelling directly, modelling based on expert experience, and modelling based on BN. The results indicated that modelling based on BN outperformed all other methods. The conclusions could provide reference evidence for driver training and the development of danger warning products to significantly contribute to traffic safety.
Driving risk status prediction using Bayesian networks and logistic regression
IET Intelligent Transport Systems ; 11 , 7 ; 431-439
2017-09-01
9 pages
Article (Journal)
Electronic Resource
English
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