EP2713352B1 - Procédé destiné à déterminer des cas particuliers de la technologie de trafic dans le trafic routier - Google Patents

Procédé destiné à déterminer des cas particuliers de la technologie de trafic dans le trafic routier Download PDF

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Publication number
EP2713352B1
EP2713352B1 EP12186540.6A EP12186540A EP2713352B1 EP 2713352 B1 EP2713352 B1 EP 2713352B1 EP 12186540 A EP12186540 A EP 12186540A EP 2713352 B1 EP2713352 B1 EP 2713352B1
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European Patent Office
Prior art keywords
speed
data
acceleration
communication devices
location
Prior art date
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EP12186540.6A
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German (de)
English (en)
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EP2713352A1 (fr
Inventor
Philipp Kandal
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.)
Telenav GmbH
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Skobbler GmbH
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Priority to ES12186540.6T priority Critical patent/ES2536328T3/es
Priority to EP12186540.6A priority patent/EP2713352B1/fr
Priority to US14/012,078 priority patent/US20140095059A1/en
Publication of EP2713352A1 publication Critical patent/EP2713352A1/fr
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Publication of EP2713352B1 publication Critical patent/EP2713352B1/fr
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G08G1/0133—Traffic data processing for classifying traffic situation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination

Definitions

  • the present invention relates to a method for determining a road-mounted speed measuring device.
  • Such special traffic features include, in particular in the course of the road built, stationary or mobile speed measuring systems of the regulatory authorities.
  • Traffic announcements broadcast via broadcasting stations are now not only offered as voice messages but also encoded, e.g. About the so-called TMC system, which coded transmitted traffic news for equipped with appropriate receivers, set up for navigation and route navigation devices are receivable and readable, so that road users who use such navigation devices informed about lying on their route specific traffic conditions and warned accordingly can be or a route planning taking into account traffic specifics, eg bypassing existing road closures or links with other traffic obstructions, can be made by the route planning routine in the navigation device.
  • Not only such devices are to be understood as navigation devices that are stationary installed in motor vehicles or designed and designed mobile exclusively for this purpose.
  • Navigation devices in the context of this invention are in particular also mobile phones, smartphones, tablet PCs or other digital terminals, which have a location technology, in particular a GPS receiver and on which a navigation software is installed and running.
  • users of certain navigation systems are today additionally informed about traffic-specific features, in particular about the installation site of speed-measuring devices and about sections with certain speed limits, about services offered by the navigation providers.
  • traffic-specific features in particular about the installation site of speed-measuring devices and about sections with certain speed limits, about services offered by the navigation providers.
  • Other traffic announcements are not only given to road users from the "official side", but here too there are parallel systems of navigation providers, which return user-derived information about special traffic features to their users.
  • traffic-technical features in particular speed-measuring devices
  • these must first be obtained. This happens in very different ways. For example, it has long been known that traffic monitoring takes place, for example, from the air, with police traffic surveillance helicopters or comparable aircraft surveying neuralgic sections or main road connections such as highways and with regard to the occurrence of special traffic features, such as accidents, broken-down vehicles and other obstacles, supervise, with detected traffic-technical characteristics these to a reporting center, from where they are distributed then.
  • traffic monitoring takes place, for example, from the air, with police traffic surveillance helicopters or comparable aircraft surveying neuralgic sections or main road connections such as highways and with regard to the occurrence of special traffic features, such as accidents, broken-down vehicles and other obstacles, supervise, with detected traffic-technical characteristics these to a reporting center, from where they are distributed then.
  • the US 2012/0065871 A1 deals with another possibility, traffic-specific features to recognize and report to a headquarters. It is suggested from data recorded for satellite positioning with the communication data for the acceleration or deceleration behavior of vehicles in which they are carried to close to special traffic features, in particular congestion and stop-and-go traffic, according to the statements in this Document can be distinguished by evaluating the acceleration and deceleration data of, for example, a ride on a provided with traffic lights route and driving behavior when passing through red phases. However, this document is silent with regard to a possible possibility to detect speed-measuring devices installed in traffic.
  • the object of the invention is therefore to provide a method for determining established in road speed measuring devices, which allows the high-speed measuring devices without high effort and yet reliable and this as far as possible automated and with high data density.
  • acceleration and braking processes of motor vehicles which are undertaken by their motor vehicle drivers due to various traffic engineering situations, differ significantly in their respective pattern and time course. They have also found that can be drawn from the patterns of acceleration and / or braking processes so far on a cause of a corresponding driving behavior of the motor vehicle driver, in this case also on speed measuring devices.
  • a braking maneuver when approaching a traffic light for example, differs. from a braking maneuver which is carried out due to a sudden obstacle.
  • a central data collection point with which each of the communication devices is connected, these data and reported speed measurement devices are then first collected. Messages about the presence of a speed measuring device are then combined in the central data collecting point and, if a predetermined number or a threshold number is reached or exceeded, this speed measuring device is recorded as being reliably determined at the associated location.
  • the analysis of braking and acceleration processes can be based on immediate measurement of acceleration or deceleration values or indirectly via an evaluation of the time course of carried out speed determinations.
  • the communication devices transmit the temporally and spatially resolved data acquired by them via acceleration and braking processes of the motor vehicles in which they are carried, all to a central evaluation point in which the evaluation is carried out and then a message of the recognized Speed measuring device and the associated position data to the central data collection point.
  • a method is complex and requires a large central processing power.
  • the acceleration speed and braking processes of further parameters to be taken into account include the absolute speed traveled before a braking process for the detection of speed measuring devices. It can thereby be considered in particular and advantageously only braking and subsequent acceleration maneuvers of such vehicles for the evaluation of a possibly established in the section in question speedometer, which were previously driven faster than those at the point at which the braking maneuver, allowed maximum speed ,
  • a threshold for a minimum overrun for example. 10% or an absolute value of eg 10 km / h can be set below which measured data are also disregarded.
  • the maximum speeds at the respective sections can be known to the communication devices as a data set and included there directly in the evaluation. However, such values can also be stored in the central evaluation point and only then included in the evaluation.
  • the determination of the movement data in this case the acceleration and braking data as well as the absolute speed, or the associated processes and the resulting temporal patterns and processes can be determined, for example, from changes in the position of the radio-located communication device.
  • acceleration or speed sensors which are integrated in the communication device or are connected to it by signal technology for the determination of the measured values or signals.
  • modern smartphones built-in acceleration sensors, which can be used for this purpose.
  • the appropriate utilization of such hardware can be done by programming the software required for the operation of this method.
  • FIG Claim 9 In order to be able to reduce the number of messages required for a secure acceptance of a detected speed measuring device (possibly even to be able to use these as the basis for a secure message even for a single message), in the method according to the invention, as in FIG Claim 9 can be set forth.
  • the information then obtained can, if confirmed or corrected, be regarded as secured or can be given a higher value Be assigned importance, so that then only a smaller number of control messages of the same content needs to accept the assumed speed device as existing existing.
  • a traffic control system has several set up for radio positioning and route guidance communication devices, such as GPS navigable navigation devices, be it in the form of specific separately formed as navigation devices, be it in the form of equipped with appropriate software smartphones, mobile phones, tablet PCs or Other digital devices, a central data collection point, which is set up to receive by means of the communication devices, in particular wirelessly transmitted data and a data transmitter, which is connected to the data collection point and set up for transmitting traffic control data to the communication devices.
  • radio positioning and route guidance communication devices such as GPS navigable navigation devices, be it in the form of specific separately formed as navigation devices, be it in the form of equipped with appropriate software smartphones, mobile phones, tablet PCs or Other digital devices
  • a central data collection point which is set up to receive by means of the communication devices, in particular wirelessly transmitted data
  • a data transmitter which is connected to the data collection point and set up for transmitting traffic control data to the communication devices.
  • the communication devices for detecting temporally and spatially resolved data on acceleration and braking operations and the respective driving speed of each associated motor vehicle operate according to the above method, and it will be determined from these data according to information on the presence of speed measuring devices.
  • the information thus obtained is given back to the users of the communication devices, so that these data can be displayed, for example, for warnings against speed measurements or can also be taken into account in the route calculation per se.
  • diagrams of typical driving behavior of motor vehicle drivers are shown for different traffic-specific characteristics and shown as an order of the course of the driving speed and acceleration (each represented on the y-axis) over time (represented on the x-axis).
  • values are entered for the speed limits (the permissible maximum speed) that apply to the respective section.
  • the dark gray lines with the square value points each represented the current driving speed
  • the mid-gray lines with the pointed diamonds represent the permissible maximum speed
  • the light gray lines with the triangular value points show the acceleration values (acceleration or deceleration).
  • the driver especially if as in Fig. 3 He had earlier shown that he was driving faster than permitted at the permissible maximum speed, braking abruptly and significantly below the permissible maximum speed and then significantly accelerating again after passing the measuring device, often initially only up to the permissible maximum speed and then again beyond that.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (10)

  1. Procédé de détermination d'un dispositif de mesure de vitesse installé pour la circulation sur la voie publique à partir de données de mouvement provenant de véhicules automobiles conduits par des conducteurs de véhicules automobiles utilisant des appareils de communication traçables par radiolocalisation, en particulier radiolocalisation par satellite, où
    i) l'on détecte avec résolution temporelle et spatiale à l'aide des appareils de communication des données concernant le processus d'accélération et de freinage des véhicules automobiles associés correspondants de même que la vitesse à laquelle le véhicule automobile respectif, dans lequel est monté l'appareil de communication, se déplace avant et pendant un processus de freinage ou d'accélération,
    ii) l'on interprète la courbe chronologique de processus d'accélération et de freinage de même que la vitesse de conduite d'un véhicule automobile en s'appuyant sur le schéma caractéristique suivant : on détecte à partir d'une première vitesse de conduite un processus de freinage qui provoque une décélération du véhicule automobile abrupte et claire avec réduction de la vitesse, lequel processus est suivi d'un processus d'accélération pour atteindre une seconde vitesse,
    iii) si l'on détecte le schéma caractéristique désigné en ii), on relie ce schéma à l'endroit auquel s'est produit le processus d'accélération ou le processus de freinage correspondant, on définit cet endroit comme emplacement de la situation particulière liée à la circulation et l'on envoie un message sur le type de situation particulière liée à la circulation et sur son emplacement à un poste central de recueil de données et
    iv) les messages reçus là sont interprétés dans le poste central de recueil de données et en présence d'un nombre de messages de même type dépassant une valeur seuil, un dispositif de mesure de vitesse installé à l'emplacement correspondant est détecté comme fiable, avec des messages montrant un schéma caractéristique selon ii) à un endroit donné.
  2. Procédé selon la revendication 1, caractérisé en ce que l'interprétation selon la phase ii) se produit dans l'appareil de communication.
  3. Procédé selon la revendication 1, caractérisé en ce que les appareils de communication transmettent les données détectées à la phase i) à un poste d'interprétation central, poste dans lequel s'effectue l'interprétation selon la phase ii).
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on obtient un message selon la phase iii) uniquement si la vitesse de conduite du véhicule dépasse un seuil prédéterminé avant le processus de freinage à la phase ii).
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les données sont détectées à la phase i) également avec une résolution temporelle et à la phase iii), le moment (en plus de l'emplacement) auquel la situation particulière liée à la circulation a été détecté est communiqué au poste central de recueil de données.
  6. Procédé selon la revendication 5, caractérisé en ce que l'on rejette de nouveau un dispositif de mesure de vitesse établi une première fois à la phase iv) comme n'étant plus présent, du fait de l'absence de messages au niveau du poste central de recueil de données confirmant la situation particulière pendant un laps de temps prédéterminé.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les données de mouvement découlent de la courbe temporelle des positions spatiales des appareils de communication déterminées par radiolocalisation.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce, que les données de mouvement en termes de processus d'accélération et de freinage sont déterminées par des capteurs d'accélération intégrés dans l'appareil de communication ou bien associés du point de vue technique.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la présence supposée d'un dispositif de mesure de vitesse est affichée au conducteur du véhicule par les appareils de communication lorsque l'on observe le schéma caractéristique pour un dispositif de mesure de vitesse selon la phase II) et le conducteur de véhicule automobile est invité à confirmer la réception du message et que ladite présence est transmise au poste central de recueil de données à réception de la confirmation.
  10. Système de régulation du trafic comportant
    i) plusieurs appareils de communication réglés pour radiolocalisation et sur un itinéraire précis, qui sont installés individuellement dans chaque véhicule automobile associé ;
    ii) un poste central de recueil de données, qui est réglé pour la réception de données transmises à l'aide des appareils de communication ;
    iii) un émetteur de données, qui est relié au poste de recueil de données et réglé pour transmettre des données de régulation du trafic aux appareils de communication,
    où les appareils de communication sont réglés pour détecter des données avec résolution temporelle et spatiale en terme de vitesse de conduite de même que de processus d'accélération et de freinage du véhicule automobile associé respectif, où les appareils de communication permettant d'interpréter les donnes détectées en terme de survenance du schéma caractéristique suivant dans les processus de freinage et d'accélération et permettant de détecter un dispositif de mesure de vitesse découlant de ce schéma. On détecte à partir d'une première vitesse de conduite un processus de freinage qui provoque une décélération du véhicule automobile abrupte et claire avec réduction de la vitesse lequel processus est suivi d'un processus d'accélération pour atteindre une seconde vitesse, où les appareils de communication sont réglés pour transmettre au poste central de recueil de données des signaux représentant un dispositif de mesure de vitesse et l'emplacement de son apparition,
    où le poste de recueil de données est réglé pour interpréter un dispositif de mesure de vitesse détecté comme fiable, si les données transmises par un nombre prédéfini d'appareils de communication révèlent la présence d'un tel dispositif à un emplacement donné et où l'émetteur de données est réglé pour transmettre aux appareils de communication des informations sur l'emplacement du dispositif de mesure de vitesse détecté comme fiable et en guise de données de circulation.
EP12186540.6A 2012-09-28 2012-09-28 Procédé destiné à déterminer des cas particuliers de la technologie de trafic dans le trafic routier Active EP2713352B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES12186540.6T ES2536328T3 (es) 2012-09-28 2012-09-28 Procedimiento para la determinación de situaciones particulares de tráfico en el tráfico por carretera
EP12186540.6A EP2713352B1 (fr) 2012-09-28 2012-09-28 Procédé destiné à déterminer des cas particuliers de la technologie de trafic dans le trafic routier
US14/012,078 US20140095059A1 (en) 2012-09-28 2013-08-28 Method to determine traffic characteristics in road traffic

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EP12186540.6A EP2713352B1 (fr) 2012-09-28 2012-09-28 Procédé destiné à déterminer des cas particuliers de la technologie de trafic dans le trafic routier

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EP2713352B1 true EP2713352B1 (fr) 2015-02-11

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US20140095059A1 (en) 2014-04-03
EP2713352A1 (fr) 2014-04-02
ES2536328T3 (es) 2015-05-22

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