FR2959827A1 - TELEMETRY DEVICE - Google Patents

TELEMETRY DEVICE Download PDF

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Publication number
FR2959827A1
FR2959827A1 FR1153749A FR1153749A FR2959827A1 FR 2959827 A1 FR2959827 A1 FR 2959827A1 FR 1153749 A FR1153749 A FR 1153749A FR 1153749 A FR1153749 A FR 1153749A FR 2959827 A1 FR2959827 A1 FR 2959827A1
Authority
FR
France
Prior art keywords
geo
vehicle
processor
candidate
record
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR1153749A
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French (fr)
Other versions
FR2959827B1 (en
Inventor
David K Linsdall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Holdings UK PLC
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Thales Holdings UK PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales Holdings UK PLC filed Critical Thales Holdings UK PLC
Publication of FR2959827A1 publication Critical patent/FR2959827A1/en
Application granted granted Critical
Publication of FR2959827B1 publication Critical patent/FR2959827B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
    • G01C21/30—Map- or contour-matching

Abstract

Appareil de télémesure mobile destiné à être utilisé dans un véhicule parcourant un réseau routier ou ferroviaire, comprenant un processeur (5) et une unité de mémorisation de données (4) contenant une base de données cartographiques, l'appareil étant conçu pour mémoriser dans une unité de mémorisation à long terme ou pour transmettre à un système d'arrière-guichet externe des données de sortie représentant le chemin le plus probable parcouru par le véhicule sur une carte du réseau représentée dans la base de données cartographiques, le processeur étant programmé pour réagir à une entrée identifiant comme un relevé de position la position actuelle du véhicule, et programmé en outre pour (a) comparer ce relevé de position à la base de données cartographiques afin d'établir un ou plusieurs géo-objets candidats de la carte du réseau situés dans la même région ; (b) trouver, pour chaque géo-objet candidat, un chemin possible que le véhicule aurait pu emprunter pour atteindre ce géo-objet candidat à partir d'un géo-objet que le processeur a précédemment sélectionné comme correspondant le mieux à un relevé de position précédent ; et (c) établir, parmi ceux qui possèdent au moins un chemin possible, le géo-objet candidat qui correspond le mieux au relevé de position en tenant compte de paramètres de qualité, notamment de la distance entre le géo-objet et le relevé de position, du cap du géo-objet par rapport au cap du relevé et de la distance totale parcourue depuis le dernier relevé.Mobile telemetry apparatus for use in a vehicle traversing a road or rail network, comprising a processor (5) and a data storage unit (4) containing a map database, the apparatus being adapted to store in a unit for long-term storage or for transmitting to an external back office system output data representing the most likely path traveled by the vehicle on a network map represented in the map database, the processor being programmed to react to an entry identifying as a position statement the current position of the vehicle, and further programmed to (a) compare this position statement to the map database to establish one or more candidate geo-objects of the map of the network located in the same region; (b) find, for each candidate geo-object, a possible path that the vehicle could have taken to reach this candidate geo-object from a geo-object that the processor has previously selected as best matching a record of previous position; and (c) establish, among those with at least one possible path, the candidate geo-object that best corresponds to the position record, taking into account quality parameters, including the distance between the geo-object and the survey record. position, the heading of the geo-object relative to the survey heading and the total distance traveled since the last survey.

FR1153749A 2010-05-10 2011-05-03 TELEMETRY DEVICE Expired - Fee Related FR2959827B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201007801A GB2480264A (en) 2010-05-10 2010-05-10 Telemetry apparatus and method for finding the most likely path taken by a vehicle

Publications (2)

Publication Number Publication Date
FR2959827A1 true FR2959827A1 (en) 2011-11-11
FR2959827B1 FR2959827B1 (en) 2014-07-04

Family

ID=42315100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153749A Expired - Fee Related FR2959827B1 (en) 2010-05-10 2011-05-03 TELEMETRY DEVICE

Country Status (2)

Country Link
FR (1) FR2959827B1 (en)
GB (1) GB2480264A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5170165A (en) * 1987-08-07 1992-12-08 Honda Giken Kogyo Kabushiki Kaisha Apparatus for displaying travel path
US5974356A (en) * 1997-03-14 1999-10-26 Qualcomm Incorporated System and method for determining vehicle travel routes and mileage
JP2007004290A (en) * 2005-06-21 2007-01-11 Aisin Aw Co Ltd Travel time database creation device
JP2007178126A (en) * 2005-12-26 2007-07-12 Aisin Aw Co Ltd Travel link specification system

Also Published As

Publication number Publication date
GB201007801D0 (en) 2010-06-23
FR2959827B1 (en) 2014-07-04
GB2480264A (en) 2011-11-16

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