Real-time Intersection Queue Length Estimation Based on Kalman Filtering

被引：0
|
作者：
Jiang Y.-S. [1 ,2 ,3 ]
Gao K. [1 ,2 ,3 ]
Liu M. [1 ,2 ,3 ]
Wang S.-C. [1 ,2 ,3 ]
Yao Z.-H. [1 ,2 ,3 ]
机构：
[1] School of Transportation and Logistics, Southwest Jiaotong University, Chengdu
[2] National Engineering Laboratory of Integrated Transportation Big Data Application Technology, Southwest Jiaotong University, Chengdu
[3] National United Engineering Laboratory of Integrated and Intelligent Transportation, Southwest Jiaotong University, Chengdu
来源：
Jiaotong Yunshu Xitong Gongcheng Yu Xinxi/Journal of Transportation Systems Engineering and Information Technology | 2021年 / 21卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Connected vehicle; Intelligent transportation; Kalman filtering; Penetration rate; Queue length; Vissim simulation;
D O I：
10.16097/j.cnki.1009-6744.2021.02.007
中图分类号：
学科分类号：
摘要：
Considering the existing queue length estimation methods cannot dynamically reflect the queue length at intersections, this paper proposes a Kalman filtering-based queue length estimation model using real-time connected vehicles data. The stepwise state transition equation is developed based on the number of vehicles joining and leaving the queue at the current moment. The observation equation is formulated through the current number of queuing connected vehicles and the penetration rate. Then, a regression model is used to estimate noise covariance matrixes of the state transition equation and the observation equation. The process of the queue estimation is established and the evaluation index is proposed to measure the effectiveness of the proposed model. A simulation evaluation is then performed based on actual data. The results show that when the penetration rate of connected vehicle is 30%, the average values of mean absolute errors (MAE) is 1.6 vehicles, the mean absolute percentage errors (MAPE) is 20.9%, and root mean square errors (RMSE) is 2.5 vehicles. When the penetration rate of connected vehicle is over 20%, the proposed method shows better performances than the benchmark method. Copyright © 2021 by Science Press.
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页码：44 / 50
页数：6
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