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Auditory and haptic systems for in-car speed management – A comparative real life study

Adell, Emeli LU ; Varhelyi, Andras LU and Hjälmdahl, Magnus LU (2008) In Transportation Research. Part F: Traffic Psychology and Behaviour 11(6). p.445-458
Abstract
Field experiments with ISA (intelligent speed adaptation) were carried out in Hungary and Spain in 2003 and 2004, respectively. Twenty private vehicles in each country were equipped with two kinds of systems: (1) support via an active accelerator pedal (AAP) and (2) warning via beep signals and a flashing red light when the speed limit was exceeded (BEEP). The test drivers drove for a month with both systems installed in each car. Speed was continually logged in all the vehicles and the test drivers were interviewed about their acceptance and experiences of the systems. The results show that both systems reduced the mean and 85 percentile speeds, but that the AAP was more effective. There was no long-lasting effect on speeds when the... (More)
Field experiments with ISA (intelligent speed adaptation) were carried out in Hungary and Spain in 2003 and 2004, respectively. Twenty private vehicles in each country were equipped with two kinds of systems: (1) support via an active accelerator pedal (AAP) and (2) warning via beep signals and a flashing red light when the speed limit was exceeded (BEEP). The test drivers drove for a month with both systems installed in each car. Speed was continually logged in all the vehicles and the test drivers were interviewed about their acceptance and experiences of the systems. The results show that both systems reduced the mean and 85 percentile speeds, but that the AAP was more effective. There was no long-lasting effect on speeds when the systems were removed. After the trial half of the drivers were willing to keep an ISA system, but more drivers wanted to keep the BEEP-system even though it showed lower satisfaction ratings than the AAP. The results indicate no major differences between the countries despite the workload being perceived to be higher in Hungary than in Spain. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Workload Acceptance, Driver experience, Field trial, Active accelerator pedal, Intelligent speed adaptation
in
Transportation Research. Part F: Traffic Psychology and Behaviour
volume
11
issue
6
pages
445 - 458
publisher
Elsevier
external identifiers
  • scopus:53349090753
  • wos:000260944700006
ISSN
1369-8478
DOI
10.1016/j.trf.2008.04.003
language
English
LU publication?
yes
id
c5e9fc8f-5885-4a44-834a-e6e1d42bfb3f (old id 4406713)
date added to LUP
2016-04-01 11:45:25
date last changed
2022-02-18 04:52:01
@article{c5e9fc8f-5885-4a44-834a-e6e1d42bfb3f,
  abstract     = {{Field experiments with ISA (intelligent speed adaptation) were carried out in Hungary and Spain in 2003 and 2004, respectively. Twenty private vehicles in each country were equipped with two kinds of systems: (1) support via an active accelerator pedal (AAP) and (2) warning via beep signals and a flashing red light when the speed limit was exceeded (BEEP). The test drivers drove for a month with both systems installed in each car. Speed was continually logged in all the vehicles and the test drivers were interviewed about their acceptance and experiences of the systems. The results show that both systems reduced the mean and 85 percentile speeds, but that the AAP was more effective. There was no long-lasting effect on speeds when the systems were removed. After the trial half of the drivers were willing to keep an ISA system, but more drivers wanted to keep the BEEP-system even though it showed lower satisfaction ratings than the AAP. The results indicate no major differences between the countries despite the workload being perceived to be higher in Hungary than in Spain.}},
  author       = {{Adell, Emeli and Varhelyi, Andras and Hjälmdahl, Magnus}},
  issn         = {{1369-8478}},
  keywords     = {{Workload Acceptance; Driver experience; Field trial; Active accelerator pedal; Intelligent speed adaptation}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{445--458}},
  publisher    = {{Elsevier}},
  series       = {{Transportation Research. Part F: Traffic Psychology and Behaviour}},
  title        = {{Auditory and haptic systems for in-car speed management – A comparative real life study}},
  url          = {{http://dx.doi.org/10.1016/j.trf.2008.04.003}},
  doi          = {{10.1016/j.trf.2008.04.003}},
  volume       = {{11}},
  year         = {{2008}},
}