NDLI: A new threat assessment measure for collision avoidance systems

Content Provider	IEEE Xplore Digital Library
Author	Yizhen Zhang Antonsson, E.K. Grote, K.
Copyright Year	2006
Description	Author affiliation: Eng. Design Res. Lab., California Inst. of Technol., Pasadena, CA (Yizhen Zhang; Antonsson, E.K.)
Abstract	Collision avoidance systems (CAS) are an emerging automotive safety technology that assists drivers in avoiding collisions. They monitor the dynamic traffic and vehicle information in real time and assess the current threat level to decide if warnings should be issued to the driver or automatic braking is needed to avoid collisions. Several measures have previously been defined for threat assessment with various warning and overriding algorithms proposed. A new threat assessment measure, time-to-last-second-braking $(T_{lsb})$ is proposed in this paper and its advantages over previous measures are discussed. It directly quantifies the danger or threat level of the current dynamic situation objectively as well as assesses the urgency level for the required evasive action, e.g., braking. It is in agreement with human natural judgment of the urgency and severity of threats. Furthermore, new warning and overriding criteria are proposed based on the new $T_{lsb}$ measure, providing more appropriate warning and more effective override timing
Sponsorship	IEEE IT
Starting Page	968
Ending Page	975
File Size	311058
Page Count	8
File Format	PDF
ISBN	1424400937
DOI	10.1109/ITSC.2006.1706870
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-17
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Collision avoidance Road accidents Vehicle dynamics Content addressable storage Automotive engineering Safety Computerized monitoring Vehicle driving Humans Timing
Content Type	Text
Resource Type	Article

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