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Timing Performance Assessment and Improvement of Forward Collision Warning

Peachanika THAMMAKAROON, Poj TANGAMCHIT

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Peachanika THAMMAKAROON
King Mongkut's University of Technology Thonburi
Poj TANGAMCHIT
King Mongkut's University of Technology Thonburi

Corresponding author

Keywords:forward collision warning,active safety in vehicles

JOURNALRESTRICTED ACCESS

2015 Volume E98.AIssue 5Pages 1105-1113

DOIhttps://doi.org/10.1587/transfun.E98.A.1105

Details

Published: May 01, 2015Manuscript Received: August 04, 2014Released on J-STAGE: May 01, 2015Accepted: -Advance online publication: -Manuscript Revised: December 05, 2014

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Abstract

We propose a systematic method for improving the response time of forward collision warning (FCW) on vehicles. First, a performance metric, called the warning lag time, is introduced. We use the warning lag time because its measurement is practical in real driving situations. Next, we discuss two ideas to improve this warning lag time, vertical and horizontal methods. The vertical method gives an additional warning, derived from the cause of a car crash, to a normal FCW system. The experiment showed that it can improve the warning lag time by an average of 0.31sec. compared with a traditional FCW system. The horizontal method uses distributed sensing among vehicles, which helps the vehicle see farther. It can also improve the warning lag time by an average of 1.08sec. compared with a single vehicle FCW.

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