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Evaluating Multiple GNSS Data in a Multi-Hypothesis Based Map-Matching Algorithm for Train Positioning

Lüddecke, Katrin and Rahmig, Christian (2011) Evaluating Multiple GNSS Data in a Multi-Hypothesis Based Map-Matching Algorithm for Train Positioning. IEEE Intelligent Vehicles Symposium, 5.-9. Juni 2011, Baden-Baden. ISBN 978 1 4577 0889 3.

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Abstract

For certain types of railroad lines replacing the equipment for precise train positioning along the track by suitable low-cost sensors and a digital map on the train can result in a more cost-efficient railway operation. This paper presents a modular multi-hypothesis based map-matching (MHMM) approach providing track-selective localization of the train by fusing the data of a GNSS-receiver with several trainborne positioning sensor data. While previous research mostly focuses on inertial measurement unit (IMU) gyro observations for correctly determining the vehicle’s direction of travel after passing a switch, this contribution analyzes an alternative positioning routine which is based only on the evaluation of additional GNSS measurement data. Considering the GNSS course observation as well as the direction-dependent standard deviation of the GNSS position data, field tests have shown that the MHMM algorithm modified in that way ensures precise and reliable localization of the train in form of fast selecting the correct track after having passed a switch facing.

Item URL in elib:https://elib.dlr.de/70508/
Document Type:Conference or Workshop Item (Paper, Poster)
Title:Evaluating Multiple GNSS Data in a Multi-Hypothesis Based Map-Matching Algorithm for Train Positioning
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lüddecke, Katrinkatrin.lueddecke (at) dlr.deUNSPECIFIED
Rahmig, Christianchristian.rahmig (at) dlr.deUNSPECIFIED
Date:June 2011
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1035-1040
Series Name:IEEE
ISBN:978 1 4577 0889 3
Status:Published
Keywords:GNSS, train positioning, Map-Matching, Ortung
Event Title:IEEE Intelligent Vehicles Symposium
Event Location:Baden-Baden
Event Type:international Conference
Event Dates:5.-9. Juni 2011
Organizer:IEEE INTELLIGENT TRANSPORTATION SYSTEMS SOCIETY (ITSS)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Railway Collision Avoidance System (old)
Location: Braunschweig
Institutes and Institutions:Institute of Transportation Systems > Railway System
Deposited By: Lüddecke, Katrin
Deposited On:16 Aug 2011 09:48
Last Modified:16 Aug 2011 09:48

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