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Accession Number PB2013-108794
Title Haptic Interface for Vehicular Touch Screens.
Publication Date Feb 2013
Media Count 12p
Personal Author J. E. Colgate M. A. Peshkin
Abstract Once the domain of purely physical controls such as knobs, levers, buttons, and sliders, the vehicle dash is rapidly transforming into a computer interface. This presents a challenge for drivers, because the physics-based cues which make traditional controls easy to operate with limited visual confirmation are absent on traditional screens. We investigate the addition of programmable physics-based cues to a visual display as a method to reduce eyes-off-road time. A TPaD variable friction touchpad was installed in the Ford VIRTTEX motion driving simulator. Subjects performed target acquisition and slider adjustment tasks under visual, visual/haptic, and haptic feedback conditions. For the two tasks, we found that the visual/haptic condition resulted in 39% and 19% decreases in total eyes-off-road time per task while showing negligible differences in task performance. Subjects showed a clear preference for combined visual and haptic feedback.
Keywords Display systems
Driving simulators
Hispatic displays
Man computer interfaces
Motor vehicles
Vehicular touch screen
Visual perception

Source Agency Department of Transportation Office of University Research
NTIS Subject Category 62 - Computers, Control & Information Theory
85H - Road Transportation
95D - Human Factors Engineering
Corporate Author Northwestern Univ., Evanston, IL. Center for Commercialization of Innovative Transportation Technologies.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1319
Contract Number N/A

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