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Makoto Mochizuki,Keisuke Goto,Keisuke Suzuki 대한인간공학회 2014 대한인간공학회 학술대회논문집 Vol.2014 No.5
The driving support systems which can provide information of the surrounding vehicles or pedestrians to the driver has a large potential to reduce traffic accidents and are expected to become widely used. Human machine interface (HMI) is one of the important issues to support the driver’s understanding of the information and avoid the traffic accident. When the multiple driving support systems are installed in a vehicle, it is important to inform a driver of multiple information as the driver can understand each information appropriately. In this study, we proposed the presentation method of the two different information using the driver’s peripheral vision in the condition that the two different information is presented from a vehicle-infrastructure cooperative system at a blind intersection without a signal. To reduce the cognitive workload of the multiple information, the first-priority information is presented on the head up display (HUD) for the driver to understand the first-priority information certainly and quickly. On the other hand, the second-priority information is presented in the peripheral display installed in the driver’s peripheral vision to recognize the second-priority information without gazing easily. By using the peripheral display in addition to the HUD, the driver’s response time to the second-priority information is reduced significantly without a negative effect on the response time to the first-priority information.
( Makoto Mochizuki ),( Keisuke Goto ),( Keisuke Suzuki ) 한국감성과학회 2014 춘계학술대회 Vol.2014 No.-
The driving support systems which can provide information of the surrounding vehicles or pedestrians to the driver has a large potential to reduce traffic accidents and are expected to become widely used. Human machine interface (HMI) is one of the important issues to support the driver`s understanding of the information and avoid the traffic accident. When the multiple driving support systems are installed in a vehicle, it is important to inform a driver of multiple information as the driver can understand each information appropriately. In this study, we proposed the presentation method of the two different information using the driver`s peripheral vision in the condition that the two different information is presented from a vehicle-infrastructure cooperative system at a blind intersection without a signal. To reduce the cognitive workload of the multiple information, the first-priority information is presented on the head up display (HUD) for the driver to understand the first-priority information certainly and quickly. On the other hand, the second-priority information is presented in the peripheral display installed in the driver`s peripheral vision to recognize the second-priority information without gazing easily. By using the peripheral display in addition to the HUD, the driver`s response time to the second-priority information is reduced significantly without a negative effect on the response time to the first-priority information.
Evaluation of Reduction Effect in Traffic Accidents Based on Time Series Reliability Model
Ryota IIDA,Makoto MOCHIZUKI,Yoshiki NII,Dejan ORSAG,Keisuke SUZUKI,Kiichi YAMADA 대한인간공학회 2016 대한인간공학회 학술대회논문집 Vol.2016 No.06
In recent years, various kinds of research related to alarm systems which prevent traffic accidents has been reported. However, there are few which evaluated the effects of reducing driver’s reaction time during unpredictable risks on decreasing traffic accidents. In this study, a methodology for estimating the collision mitigation ratio is discussed, using a collision-prevention system that supplies aroma to drivers whose cognitive attentiveness has decreased due to a prolonged driving. First, we investigated driving action at intersections during use of the system in a driving simulator. The results showed that reaction time to the crossing vehicle was significantly reduced when a driver used the aroma-supplying collision-prevention system. In addition, a system that doesn’t supply aroma could cause a decrease in driver’s attentiveness. The Time Series Reliability Model, which is a driver-model considering the driver’s time-series cognitive status, is constructed and the collision mitigation ratio is estimated. The results suggested that the collision ratio increased during the use of a system that presents only information, since the driver depended on the system information and the driver’s safety confirmation actions were inhibited. Meanwhile, the collision ratio decreased during the use of the aroma-supplying system since reaction time to the crossing vehicle was reduced by an effect on stress reduction. It can be concluded that traffic accidents at intersections are reduced by using the aroma-supplying system.