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Technical Paper

Evaluation of a New In-vehicle HMI System Composed of Steering Wheel Switch and Head-Up Display - Comparison with a center-cluster panel when the number of switch pushes is the same for each HMI -

2008-04-14
2008-01-0559
In this paper, we discuss the operational convenience and safe driving when operating a human-machine interface (HMI) while driving on a virtual expressway. We previously conducted an experiment to evaluate a center-cluster panel switch and two prototypes of new HMI with a head-up display (HUD) and steering wheel switch (SWS) in which the participant followed a lead vehicle on an expressway by using a driving simulator (DS). We also conducted another experiment to evaluate these new HMIs when a driver operating an HMI encountered a sudden danger while driving. However, in these previous experiments, the number of switch pushes was not the same for each HMI. In this study, we compared the participants' switch operation performance, eye movement, and reaction to sudden danger in the new experimental condition, where the number of switch pushes is the same for each HMI, with those of the previous work.
Technical Paper

Evaluation of a New In-vehicle HMI System Composed of Steering Wheel Switch and Head-Up Display

2006-04-03
2006-01-0576
An experimental method was required to evaluate both the operability and the influence on safety of in-vehicle devices used while driving. We proposed to measure the number of errors, operation time, glance time, and variations in steering angle and yaw angle through objective tests, as well as eliciting subjective evaluations by participants. We conducted an experiment in which, using a driving simulator to evaluate a center-cluster panel switch and a new human-machine interface (HMI) with a head-up display (HUD) and steering wheel switch (SWS), the participant follows a lead vehicle on an expressway. Results indicate that the experimental method is effective for comprehensively evaluating in-vehicle devices and identifying where improvements are needed. The merits of the new HMI are also discussed.
Technical Paper

Evaluation of a New In-vehicle HMI System Composed of Steering Wheel Switch and Head-Up Display when a Driver Encounters Sudden Danger

2007-04-16
2007-01-0439
We conducted an experiment to evaluate the operational convenience and the influence on safe driving of a new human-machine interface (HMI) by using a driving simulator (DS). In this system a driver operates the new HMI and center-cluster panel switches while driving on an expressway and when encountering a sudden danger. Based on the results, we discuss the operational convenience and driving safety when operating an HMI while driving on a virtual expressway.
Technical Paper

Developing a Driving Simulator and an Assessment Methodology to Estimate a Driver's Mental State when Distracted

2004-03-08
2004-01-0233
In this paper, authors discuss a driving simulator that was developed to study a driver's mental state in a traffic accident occurring between vehicles at an intersection. The functions of the driving simulator and a video annotation system for analyzing human behavior and human cognitive processes are discussed. Also described is how to estimate a driver's mental state by using physiological indices when the driver is distracted in addition to the experimental plan established.
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