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Differences in driving performance due to headway distances and gender: the application of jerk cost function

Choi J.-S., Kim H.-S., Shin Y.-H., Choi M.-H., Chung S.-C., Min B.-C., Tack G.-R.

International Journal of Occupational Safety and Ergonomics

2015

Vol. 21, No. 1

111--117

Driving is directly controlled by the driver's movement. This study tried to compare differences in gender and headway distances between the DRIVING phase and the SUDDEN STOP phase by using subjects’ movement during driving in the simulator. To quantify subjects’ movement, the jerk cost function (JC) was used, and conventional vehicle control parameters such as the coefficient of variation of the mediolateral trajectory (MLCV) for lane keeping and the brake time (BT) were also used. As the headway distance increased, MLCV and JC decreased significantly in the DRIVING phase. In the SUDDEN STOP phase, BT was increased and, MLCV and JC were decreased. Differences between genders were detected for both MLCV (males < females) and JC (males > females). The results of this study demonstrate that JC may be used as a variable in evaluating driving performance as influenced by driving conditions and gender.