Evaluating the impact of phone interface modality on response times to stimuli in conventional and semi-automated vehicles

Publication Date

1-1-2020

Document Type

Conference Proceeding

Publication Title

Intelligent Human Systems Integration 2020: Proceedings of the 3rd International Conference on Intelligent Human Systems Integration (IHSI 2020): Integrating People and Intelligent Systems, February 19-21, 2020, Modena, Italy

Editor

Tareq Ahram, Waldemar Karwowski, Alberto Vergnano, Francesco Leali, Redha Taiar

DOI

10.1007/978-3-030-39512-4_156

First Page

1028

Last Page

1033

Abstract

This study investigates response times to stimuli within a driving environment in the presence of secondary non-driving tasks involving cell-phone usage by the driver. Two interaction modalities are employed for text reply while at the wheel: manual text replies and vocal text replies. The study evaluates the impact of the two modalities on throttle response time after a traffic light turns green (city scenario), as well as steering, braking, and throttle response times in a semi-automated vehicle that transitions from automated driving to manual conventional driving (highway scenario). Both scenarios were tested with the two investigated interfaces in a human-in-the-loop simulator. Moreover, the paper includes an analysis of time-to-reply to message, and analyzes different trends in texting behavior when the two interfaces are employed.

Funding Number

69A3551747127

Funding Sponsor

U.S. Department of Transportation

Keywords

Disengagement, Driver distraction, Human-in-the-loop simulation, Response times

Department

Aviation and Technology

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