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International Journal of Automotive Technology

, Volume 19, Issue 1, pp 179–190 | Cite as

Investigation of objective parameters for acceptance evaluation of automatic lane change system

  • Chulwoo Moon
  • Youngseok Lee
  • Chang-Hyun Jeong
  • Seibum Choi
Article
  • 252 Downloads

Abstract

Recently, with increased interest in high levels of automated driving systems such as automatic lane change system, the need for reliable assessment methods of driver acceptance has arisen. Because the acceptance depends on the individual, the assessment of the acceptance can only be based on an individual’s personal attitude, expectations, and experiences. Accordingly, subjective evaluation methods have mostly been utilized to assess the acceptance of newly developed advanced driver assistance systems. In this study, an investigation of the effects of vehicle dynamic behavior and the traffic environment on driver acceptance is conducted to provide an objective evaluation method of driver acceptance for an automatic lane change system. In order to conduct the investigation, a specific experimental program is designed and a massive database, including information on interaction behaviors between drivers, a vehicle and the traffic environment is constructed with a selected group of 19 drivers. Then, 21 parameters and their descriptive statistics for an objective evaluation index are presented to illustrate the analysis results. The results of this research can be important not only for an objective evaluation of the acceptance, but can also be expanded to suggest design criteria for control of advanced and automated driving assistance systems.

Keywords

Driver/Passenger acceptance Acceptance evaluation Objectification ADAS (Advanced Driver Assistant System) Automatic lane change system 

Nomenclature

A

accelerations, m/s2

D

distance to target vehicles, m

J

derivative of accelerations, m/s3

V

velocity, m/s

Q

quartile value of a ranked set

TPS

throttle positions sensor value, -

TTC

time to collision, s

relV

relative velocity between vehicles, m/s

SWA(δ)

steering wheel angle, deg

\(\dot \delta \)

steering wheel angular velocity, deg/s

ψ

vehicle yaw angle, deg

φ

vehicle roll angle, deg

Subscripts

1,2,3,4

n th quartiles of a ranked set

A,B,C

identifications of target vehicles

min

set of minimum values

max

set of maximum values

median

set of median values

mean

set of mean values

sd

set of standard deviation values

x

element in longitudinal vector

y

element in lateral vector

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Copyright information

© The Korean Society of Automotive Engineers and Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  • Chulwoo Moon
    • 1
    • 2
  • Youngseok Lee
    • 2
  • Chang-Hyun Jeong
    • 2
  • Seibum Choi
    • 1
  1. 1.School of Mechanical, Aerospace & System EngineeringKAISTDaejeonKorea
  2. 2.Korea Automotive Technology InstituteDriving & Safety System R&D CenterChungnamKorea

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