Future technology on the flight deck: assessing the use of touchscreens in vibration environments.
Ergonomics
; 62(2): 286-304, 2019 Feb.
Article
em En
| MEDLINE
| ID: mdl-30470162
ABSTRACT
Use of touchscreens in the flight deck has been steadily increasing, however, their usability may be severely impacted when turbulent conditions arise. Most previous research focusses on using touchscreens in static conditions; therefore, this study assessed touchscreen use whilst undergoing turbulent representative motion, generated using a 6-axis motion simulator. Touchscreens were tested in centre, side and overhead positions, to investigate how turbulence affected (1) error rate, movement times and accuracy, (2) arm fatigue and discomfort. Two touchscreen technologies were compared a 15" infra-red and a 17.3" projected capacitive touchscreen with force sensing capability. The potential of the force sensing capability to minimise unintentional interactions was also investigated. Twenty-six participants undertook multi-direction tapping (ISO 9241; ISO 2010 ) and gesture tasks, under four vibration conditions (control, light chop, light turbulence and moderate turbulence). Error rate, movement time and workload increased and usability decreased significantly, with screen position and increasing turbulence level. Practitioner Summary:
This study evaluated the use of infra-red and projected capacitive touchscreen technologies using multi-directional tapping and gesture tasks, whilst being subjected to different levels of turbulence representative motion. Performance degraded significantly with increasing turbulence level and touchscreen location. This has implications for future flight deck design.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Aviação
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Análise e Desempenho de Tarefas
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Tecnologia
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Interface Usuário-Computador
/
Terminais de Computador
Tipo de estudo:
Evaluation_studies
Limite:
Adolescent
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Adult
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Female
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Humans
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Male
Idioma:
En
Revista:
Ergonomics
Ano de publicação:
2019
Tipo de documento:
Article
País de afiliação:
Reino Unido