多模車機整合技術暨先進安全駕駛輔助系統─子計畫六：汽車週遭環境安全績效即時模擬預測元件之開發（I）
Date Issued
2005
Date
2005
Author(s)
DOI
932218E002118
Abstract
Driving behavior in every country is different from the other countries. The car
following with dangerous headways will be recognized as different dangerous levels
by different drivers. The threshold for warning driver to take action in a Collision
Avoidance System (CAS) developed in developed countries will not be totally
suitable for the other developing countries. The microscopic survey of dangerous car
following headway and to identify the threshold of safety headway is necessary. In
general, due to the high dense traffic condition in Taiwan, the driving behavior is
seen as more aggressive. Therefore, this study conducted a field survey
microscopically to analyze the car following headway and using the braking action to
identify the possible reaction to the dangerous headway. Through the statistical
analysis, the scenario for safety headway are generated and input to a simulation
system developed for simulating the dangerous traffic risk in this study, and then the
effect of the threshold on CAS system is investigated. According the study result, the
threshold will depend on the speed and has stochastic feature. This result indicates
the need to revise the decision threshold value in CAS system when it will be
adopted in different countries.
Subjects
Collision Avoidance System
Warning Threshold
Traffic Simulatiion
Publisher
臺北市：國立臺灣大學土木工程學系暨研究所
Type
report
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