کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
292761 511061 2016 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Calibration and validation of a new time-based surrogate safety measure using fuzzy inference system
ترجمه فارسی عنوان
کالیبراسیون و اعتبار سنجی سنجش ایمنی جایگزین مبتنی بر زمان با استفاده از سیستم استنتاج فازی
کلمات کلیدی
اندازه گیری ایمنی جایگزین؛ زمانی برای برخورد؛ زمان تحریم؛ سیستم استنتاج فازی
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی هوافضا
چکیده انگلیسی

Surrogate safety measures (SSM) are suitable tools to detect dangerous situations. These indicators can be applied as a warning strategy in collision avoidance systems (CAS). Time-to-collision (TTC) and post-encroachment time (PET) are two important time-based SSM that identify the probability of a rear-end collision. TTC refers to the imminent danger, and PET implies the potential danger. However, sometimes the results from each indicator are inconsistent. An appropriate warning strategy for CAS can be developed using a new index that combines the properties of both TTC and PET. For this purpose, a new mixed index (MI) is proposed. In order to develop this MI, three main microscopic parameters, clearance, speed and the relative speed, are simultaneously applied to the leading vehicle. To calibrate MI, based on a fuzzy inference system (FIS), a value would be determined by a combination of TTC and PET at each instant and then by regression analysis the model parameters would be determined. Finally, MI, TTC and PET values for real car-following scenarios on the I-80 freeway are determined and compared. The results show that MI may be more suitable in detecting the rear-end collision risk within the proper time and with less errors.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Traffic and Transportation Engineering (English Edition) - Volume 3, Issue 1, February 2016, Pages 51–58
نویسندگان
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