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  4. Fahrergerechte Gestaltung eines ACC-Systems durch Analyse von Grenzsituationen
 
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1997
Conference Paper
Title

Fahrergerechte Gestaltung eines ACC-Systems durch Analyse von Grenzsituationen

Abstract
An interaction model for the driver-vehicle-environment loop is established to clarify terms like subjective borderline situation or traffic conflict. In addition, the reasons for occurence of borderline situations are outlined. In an experiment in real traffic three versions of ACC were tested differing mainly in the maximum deceleration which could be applied by the system. The goal of this experiment was to study borderline situations caused by a mismatch between the driver's internal model of the ACC and the real ACC. The drivers showed different frequencies of braking intervention depending on the ACC version. The decision making on intervention could be modeled using the predicted minimum approach time distance as a criterion. It can be shown that drivers are able to learn ACC system behaviour thus reducing driver workload caused by the intervention decision process, and this workload turned out to be highest with an ACC with medium deceleration capability. As a result, adequate display systems can be developed now to reduce borderline situations by supporting the driver's prediction capabilities.
Author(s)
Nirschl, G.
Kopf, M.
Mainwork
Menschliche Zuverlässigkeit, Beanspruchung und benutzerzentrierte Automatisierung. 39. Fachausschußsitzung Anthropotechnik  
Conference
Fachausschußsitzung Anthropotechnik 1997  
Language
German
IITB  
Keyword(s)
  • ACC

  • adaptive cruise control

  • automation

  • Automatisierung

  • driver assistance system

  • driver car interaction

  • driver modelling

  • Ergonomie

  • ergonomy

  • Fahrer-Fahrzeug-Interaktion

  • Fahrerassistenzsystem

  • Fahrermodellierung

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