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Generic approaches to estimating freeway traffic state and percentage of connected vehicles with fixed and mobile sensing

Zhao Mingming, Roncoli Claudio, Wang Yibing, Bekiaris-Liberis Nikolaos, Guo Jingqiu, Cheng Senlin

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URIhttp://purl.tuc.gr/dl/dias/9265BC4D-80B3-469C-9BBF-CA9D24A59D57-
Identifierhttps://doi.org/10.1109/TITS.2021.3121181-
Identifierhttps://ieeexplore.ieee.org/document/9652470-
Languageen-
Extent23 pagesen
TitleGeneric approaches to estimating freeway traffic state and percentage of connected vehicles with fixed and mobile sensingen
CreatorZhao Mingmingen
CreatorRoncoli Claudioen
CreatorWang Yibingen
CreatorBekiaris-Liberis Nikolaosen
CreatorΜπεκιαρης-Λυμπερης Νικολαοςel
CreatorGuo Jingqiuen
CreatorCheng Senlinen
PublisherInstitute of Electrical and Electronics Engineersen
Content SummaryThree filtering-based approaches to freeway traffic state estimation are studied using measurements from connected vehicles and also a minimum number of fixed detectors. These approaches are: Method 1 based on EKF and the second-order traffic flow model METANET, Methods 2 and 3 based on KF and the conservation equation that is driven by mean speed data of connected vehicles under a speed-uniformity assumption. Each method is capable of estimating segment traffic flow variables (speeds, densities, and flows) as well as segment market penetration rates (MPRs) of connected vehicles. The three methods are evaluated and compared in depth using NGSIM data with respect to their traffic state estimator design, data requirements, capabilities, limitations in the mixed sensing case. Recommendations are given about the choice of methods over the range of MPR.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2022-08-04-
Date of Publication2021-
SubjectFreeway traffic state estimationen
SubjectTraffic flow modellingen
SubjectConnected vehiclesen
SubjectMarket penetration rateen
SubjectMixed sensingen
SubjectFilteringen
SubjectSpeed-uniformity assumptionen
Bibliographic CitationM. Zhao, C. Roncoli, Y. Wang, N. Bekiaris-Liberis, J. Guo and S. Cheng, "Generic approaches to estimating freeway traffic state and percentage of connected vehicles with fixed and mobile sensing," IEEE Trans. Intell. Transp. Syst., early access, doi: 10.1109/TITS.2021.3121181.en

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