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Calibration Framework based on Bluetooth Sensors for Traffic State Estimation Using a Velocity based Cell Transmission Model
Linköpings universitet, Institutionen för teknik och naturvetenskap, Kommunikations- och transportsystem. Linköpings universitet, Tekniska högskolan. Sweco TransportSystem, Stockholm, Sweden. (Trafiksystem)
University of California Berkeley, USA.
Linköpings universitet, Institutionen för teknik och naturvetenskap. Linköpings universitet, Tekniska högskolan. Sweco TransportSystem, Stockholm, Sweden.
Linköpings universitet, Institutionen för teknik och naturvetenskap, Kommunikations- och transportsystem. Linköpings universitet, Tekniska högskolan. (Mobil Telekommunikation)ORCID-id: 0000-0002-5961-5136
Vise andre og tillknytning
2014 (engelsk)Inngår i: Transportation Research Procedia, ISSN 2352-1465, Vol. 3, s. 972-981Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The velocity based cell transmission model (CTM-v) is a discrete time dynamical model that mimics the evolution of the traffic velocity field on highways. In this paper the CTM-v model is used together with an ensemble Kalman filter (EnKF) for the purpose of velocity sensor data assimilation. We present a calibration framework for the CTM-v and EnKF. The framework consists of two separate phases. The first phase is the calibration of the parameters of the fundamental diagram and the second phase is the calibration of demand and filter parameters. Results from the calibrated model are presented for a highway stretch north of Stockholm, Sweden.

sted, utgiver, år, opplag, sider
Elsevier, 2014. Vol. 3, s. 972-981
Emneord [en]
Highway traffic modelling; calibration
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-112290DOI: 10.1016/j.trpro.2014.10.077ISI: 000377412600103OAI: oai:DiVA.org:liu-112290DiVA, id: diva2:765296
Konferanse
17th Meeting of the EURO Working Group on Transportation, EWGT2014, 2-4 July 2014, Sevilla, Spain
Tilgjengelig fra: 2014-11-22 Laget: 2014-11-22 Sist oppdatert: 2018-03-09bibliografisk kontrollert

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