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Titolo:
ALARM EFFECTIVENESS IN DRIVER-CENTERED COLLISION-WARNING SYSTEMS
Autore:
PARASURAMAN R; HANCOCK PA; OLOFINBOBA O;
Indirizzi:
CATHOLIC UNIV AMER,COGNIT SCI LAB WASHINGTON DC 20064 UNIV MINNESOTA,HUMAN FACTORS RES LAB MINNEAPOLIS MN 55455
Titolo Testata:
Ergonomics
fascicolo: 3, volume: 40, anno: 1997,
pagine: 390 - 399
SICI:
0014-0139(1997)40:3<390:AEIDCS>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Keywords:
ALARMS; COLLISION-WARNING SYSTEMS; DRIVER REACTION; INTELLIGENT TRAVEL SYSTEMS (ITS); FALSE ALARMS; POSTERIOR PROBABILITY; HUMAN-CENTERED DESIGN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
R. Parasuraman et al., "ALARM EFFECTIVENESS IN DRIVER-CENTERED COLLISION-WARNING SYSTEMS", Ergonomics, 40(3), 1997, pp. 390-399

Abstract

The potential use of systems that seek to communicate a warning of impending collision directly to the driver is examined. Technological advances in collision-warning systems include reliable, low-cost radars,sensors with low noise levels, and the development of accurate detection algorithms for particular crash types, e.g. rear-end collisions. However, fundamental practical constraints make perfect sensor detection difficult to achieve. Imperfect detection conflates the false alarm rate and experience with other technologies confirms driver aversion to false warnings. Although sensitive alarm systems with high detectionrates and low false alarm rates have been developed, the posterior probability of a collision given an alarm can be quite low because of the low base rate of collision events. As a result, only a small proportion of alarms will represent true collision scenarios. These and otherfactors can conspire to reduce alarm effectiveness in collision-warning systems. The problem is illustrated analytically and potential solutions are advanced.

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Documento generato il 01/10/20 alle ore 15:55:55