Age-related physical and emotional characteristics to safety warning sounds: Design guidelines for intelligent vehicles

Man Ho Kim, Yong Tae Lee, Joonwoo Son

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Recent technological advances have made motor vehicles more intelligent to increase safety and comfort. An intelligent vehicle provides drivers with safety warning information through audible sounds, visual displays, and tactile feedback. However, elderly drivers often have decreased cognitive and psychomotor abilities in the areas such as hearing, eyesight, short-term memory, and spatial perception. Therefore, possible age-related deficits should be considered when designing effective warning systems. This paper evaluates the impact of advancing age on drivers physical responses and emotional preferences with regard to audible safety warnings that are widely used to warn about driving hazards. Three sound characteristics (frequency, tempo, and intensity) and three age groups (younger, middle, and older) were considered in investigating the effect of age-related hearing loss and reduced speed of movement. Data were collected from 38 drivers who drove on a simulated rural road in a driving simulator. Experimental results showed that age influenced drivers responses and emotional preference. An appropriate range of warning sounds is suggested.

Original languageEnglish
Article number5443689
Pages (from-to)592-598
Number of pages7
JournalIEEE Transactions on Systems, Man and Cybernetics Part C: Applications and Reviews
Volume40
Issue number5
DOIs
StatePublished - Sep 2010

Bibliographical note

Funding Information:
Manuscript received September 9, 2009; revised December 24, 2009; accepted January 22, 2010. Date of publication April 5, 2010; date of current version August 18, 2010. This work was supported by the Daegu Gyeong-buk Institute of Science and Technology Research Program of the Ministry of Education Science and Technology and by the Implementation of More Efficient Transportation System Program of the Ministry of Land, Transport, and Maritime Affairs of Korean Government under Grant 06 C01. This paper was recommended by Associate Editor S. H. Rubin.

Keywords

  • Advanced driver assistance system (ADAS)
  • emotional preference
  • hearing
  • intelligent vehicle
  • older driver
  • physical response
  • safety warning sounds guideline

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