Principles for External Human–Machine Interfaces

Automated vehicles will soon be integrated into our current traffic system. This development will lead to a novel mixed-traffic environment where connected and automated vehicles (CAVs) will have to interact with other road users (ORU). To enable this interaction, external human–machine interfaces (...

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Main Authors: Marc Wilbrink, Stephan Cieler, Sebastian L. Weiß, Matthias Beggiato, Philip Joisten, Alexander Feierle, Michael Oehl
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Information
Subjects:
Online Access:https://www.mdpi.com/2078-2489/14/8/463
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author Marc Wilbrink
Stephan Cieler
Sebastian L. Weiß
Matthias Beggiato
Philip Joisten
Alexander Feierle
Michael Oehl
author_facet Marc Wilbrink
Stephan Cieler
Sebastian L. Weiß
Matthias Beggiato
Philip Joisten
Alexander Feierle
Michael Oehl
author_sort Marc Wilbrink
collection DOAJ
description Automated vehicles will soon be integrated into our current traffic system. This development will lead to a novel mixed-traffic environment where connected and automated vehicles (CAVs) will have to interact with other road users (ORU). To enable this interaction, external human–machine interfaces (eHMIs) have been shown to have major benefits regarding the trust and acceptance of CAVs in multiple studies. However, a harmonization of eHMI signals seems to be necessary since the developed signals are extremely varied and sometimes even contradict each other. Therefore, the present paper proposes guidelines for designing eHMI signals, taking into account important factors such as how and in which situations a CAV needs to communicate with ORU. The authors propose 17 heuristics, the so-called eHMI-principles, as requirements for the safe and efficient use of eHMIs in a systematic and application-oriented manner.
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spelling doaj.art-d960b8870966481aa2797fbeab43afea2023-11-19T01:35:05ZengMDPI AGInformation2078-24892023-08-0114846310.3390/info14080463Principles for External Human–Machine InterfacesMarc Wilbrink0Stephan Cieler1Sebastian L. Weiß2Matthias Beggiato3Philip Joisten4Alexander Feierle5Michael Oehl6German Aerospace Center (DLR), Institute of Transportation Systems, 38108 Braunschweig, GermanyContinental Automotive Technologies GmbH, Software and Central Technologies, 64832 Babenhausen, GermanyContinental Automotive Technologies GmbH, Software and Central Technologies, 64832 Babenhausen, GermanyDepartment of Psychology, Cognitive and Engineering Psychology, Chemnitz University of Technology, 09120 Chemnitz, GermanyDepartment of Mechanical Engineering, Institute of Ergonomics and Human Factors, Technical University of Darmstadt, 64287 Darmstadt, GermanyTUM School of Engineering and Design, Technical University of Munich, 85747 Garching, GermanyGerman Aerospace Center (DLR), Institute of Transportation Systems, 38108 Braunschweig, GermanyAutomated vehicles will soon be integrated into our current traffic system. This development will lead to a novel mixed-traffic environment where connected and automated vehicles (CAVs) will have to interact with other road users (ORU). To enable this interaction, external human–machine interfaces (eHMIs) have been shown to have major benefits regarding the trust and acceptance of CAVs in multiple studies. However, a harmonization of eHMI signals seems to be necessary since the developed signals are extremely varied and sometimes even contradict each other. Therefore, the present paper proposes guidelines for designing eHMI signals, taking into account important factors such as how and in which situations a CAV needs to communicate with ORU. The authors propose 17 heuristics, the so-called eHMI-principles, as requirements for the safe and efficient use of eHMIs in a systematic and application-oriented manner.https://www.mdpi.com/2078-2489/14/8/463interaction with automated vehiclesexternal human–machine interfacedesign of communication signals for CAVinteraction of automated vehicles and other road usersguidelines for eHMI
spellingShingle Marc Wilbrink
Stephan Cieler
Sebastian L. Weiß
Matthias Beggiato
Philip Joisten
Alexander Feierle
Michael Oehl
Principles for External Human–Machine Interfaces
Information
interaction with automated vehicles
external human–machine interface
design of communication signals for CAV
interaction of automated vehicles and other road users
guidelines for eHMI
title Principles for External Human–Machine Interfaces
title_full Principles for External Human–Machine Interfaces
title_fullStr Principles for External Human–Machine Interfaces
title_full_unstemmed Principles for External Human–Machine Interfaces
title_short Principles for External Human–Machine Interfaces
title_sort principles for external human machine interfaces
topic interaction with automated vehicles
external human–machine interface
design of communication signals for CAV
interaction of automated vehicles and other road users
guidelines for eHMI
url https://www.mdpi.com/2078-2489/14/8/463
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AT sebastianlweiß principlesforexternalhumanmachineinterfaces
AT matthiasbeggiato principlesforexternalhumanmachineinterfaces
AT philipjoisten principlesforexternalhumanmachineinterfaces
AT alexanderfeierle principlesforexternalhumanmachineinterfaces
AT michaeloehl principlesforexternalhumanmachineinterfaces