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The Effect of Field of View and Scene Content on the Validity of a Driving Simulator for Behavioral Research.
| 题名： | The Effect of Field of View and Scene Content on the Validity of a Driving Simulator for Behavioral Research. |
| 作者： | Hoekstra, W.;Horst, A. R. van der;Kaptein, N. A.; |
| 关键词： | SIMULATORS, BRAKING, DRIVERS(PERSONNEL), TRANSFER OF TRAINING, VELOCITY, POSITION(LOCATION), VALIDATION, NETHERLANDS, STATIONARY, STOPPING, ROAD TESTS, MANEUVERS, BEHAVIOR, VISION, VEHICLES, PERCEPTION, LANGUAGE TRANSLATION, DUTCH LANGUAGE, MARGIN OF SAFETY. |
| 摘要： | The present study addresses the effects of field of view and scene complexity on the validity of a fixed- base driving simulator with respect to braking behavior. Two driving simulator experiments were performed. The results were compared to those of a field study (Van der Horst, 1990). When approaching a stationary vehicle, subjects were instructed to brake as late as possible, without causing a collision. The instruction was either to brake "hard", or to brake "normal". Experiment 1 showed that the timing of the start of the braking maneuver was not affected by field of view and scene complexity. Yet, the coordination of the ongoing braking maneuver was more realistic with increasing field of view (120 versus 40'). In contrast to the Van der Horst (1990) study, in the present experiment drivers took larger safety margins (i.e., started to brake earlier) with higher approach speeds. This result indicates that, for the present task, perceptual information at larger distances was insufficient in the driving simulator, even with 120' FOV and a relatively complex scene. In Experiment 2 on half of the trials the image was occluded immediately after the onset of the braking maneuver, in order to investigate the use of visual information after the start of the braking maneuver. Results showed that without visual information during the braking maneuver, drivers tended to overshoot the intended stopping position more often. This result indicates that drivers use visual information during the braking maneuver in order to timely stop before the stationary vehicle. |
| 总页数： | 28 |
| 报告类型： | 科技报告 |
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