EP0815547A1 - Procede et dispositif de determination d'informations dynamiques sur la circulation - Google Patents

Procede et dispositif de determination d'informations dynamiques sur la circulation

Info

Publication number
EP0815547A1
EP0815547A1 EP96909008A EP96909008A EP0815547A1 EP 0815547 A1 EP0815547 A1 EP 0815547A1 EP 96909008 A EP96909008 A EP 96909008A EP 96909008 A EP96909008 A EP 96909008A EP 0815547 A1 EP0815547 A1 EP 0815547A1
Authority
EP
European Patent Office
Prior art keywords
traffic
data
vehicle
mobile
service center
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
EP96909008A
Other languages
German (de)
English (en)
Other versions
EP0815547B2 (fr
EP0815547B1 (fr
Inventor
Gerhard Fleck
Reinhold Mertens
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.)
Telekom Deutschland GmbH
Original Assignee
Deutsche Telekom AG
DeTeMobil Deutsche Telekom Mobilnet GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26013521&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0815547(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19604084A external-priority patent/DE19604084A1/de
Application filed by Deutsche Telekom AG, DeTeMobil Deutsche Telekom Mobilnet GmbH filed Critical Deutsche Telekom AG
Publication of EP0815547A1 publication Critical patent/EP0815547A1/fr
Application granted granted Critical
Publication of EP0815547B1 publication Critical patent/EP0815547B1/fr
Publication of EP0815547B2 publication Critical patent/EP0815547B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G08G1/096827—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed onboard
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
    • G08G1/09685—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is computed only once and not updated
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
    • G08G1/096872—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver where instructions are given per voice

Definitions

  • Traffic data acquisition and traffic control have become indispensable due to the growing volume of traffic.
  • the current dynamic traffic information is e.g. through - fixed attachments on roads, such as induction loops, cameras, emergency call pillars;
  • the object of the present invention is therefore to propose a method and a device for determining dynamic traffic information, which avoids the above-mentioned disadvantages and with a moderate effort a comprehensive coverage. recording of traffic data essentially allowed directly from the vehicle.
  • current and historical traffic flow information such as driven speed, current traffic volumes, braking and acceleration behavior, traffic jam reports, accident reports, weather events, etc. are required on road sections.
  • the same information forms the basis for the qualitative and quantitative expansion planning of the transport network.
  • This information can be obtained from the vehicles via mobile radio.
  • it is also necessary to provide a device for self-location in the corresponding vehicles.
  • Vehicle-side and central-side detection algorithms from these current traffic flow data, supplemented by historical values, to predict traffic disruptions and to predict their impact. In this way, traffic information can be updated very quickly, i.e. recognized or deleted.
  • dynamic traffic flow information based on the basic telematics components of the mobile radio network, satellite-based positioning and navigation system, the most up-to-date traffic flow information is obtained from all roads, or can be specifically queried.
  • the traffic flow data collected by vehicle terminals are transmitted to a regionally responsible service center.
  • This Methods can be used to determine both traffic counts and speed determinations.
  • This "mobile traffic data generation” means that the expenditure is significantly less expensive than conventional methods with fixed installations in or on the carriageways.
  • the control of the traffic data acquisition on the vehicle side can take place by reaching virtual acquisition points, i.e. after the start of the journey, the traffic data acquisition process is started only after reaching an acquisition point. Subsequent route-related detection processes are also controlled by reaching detection points. If a detection point, which would have to be passed on the basis of a previous route, is not reached within a predetermined period of time, the end of the journey or the leaving of the detection area (for example secondary roads) is assumed by the system and the detection process is ended .
  • the accident data are advantageously simultaneously transmitted to the responsible service center, which checks / plausibility checks the data. After checking, a confirmation is then distributed to the relevant mobile radio subscribers or the accident report is canceled. All of this presupposes that the respective mobile radio subscribers have an appropriate terminal that is suitable for receiving these messages.
  • the remote interrogation of the traffic-relevant attributes at least in part in relation to the route is carried out.
  • particularly sensitive areas or nodes of the traffic network can be monitored by using historical data from the point of view of the traffic flow.
  • vehicles are selected by the service center for recording, the selection preferably being made on the basis of the historical traffic data.
  • the acquisition of the data is carried out in and / or between defined virtual acquisition areas, which are predefined are or can be varied dynamically depending on, for example, the occurrence of an event such as a traffic jam.
  • an event-related and standard recording is provided at least in part, e.g. by direct order from the service center to the vehicles or also automatically and is carried out as widely as possible.
  • the vehicles are not reported back to the control center until one or more predefined events have actually occurred, e.g. Windscreen wiper actuation as an indication of the onset of rain or braking.
  • This feedback to the service center supplemented by the location and time of the occurrence of the event, gives the center an overview of the general traffic situation in the detection area.
  • a memory-expandable information container of the signaling channel can be used for the communication between the mobile radio subscriber and the mobile radio network. Such an information container is then to be evaluated in the responsible network node of the mobile radio network (for example the BSC of the GSM networks) and to be sent out in the relevant radio cells via Eroadcast functions.
  • the use of a traffic channel which might not be immediately available in the event of an overload, is therefore unnecessary.
  • the end devices consist of a satellite-based navigation system, mobile radio communication functions and a module for the application function incl. of the few needed
  • the application software and operating data can be accessed via a
  • Chip card separate mechanical interfaces or via mobile radio interfaces can be inserted into the on-board device.
  • the necessary configuration parameters for recording the dynamic traffic information or traffic events are also set by chip card (e.g. sending by post), by mechanical interfaces, by individual point-to-point or distribution communication in the terminal.
  • the dynamic data for the geographical description of the section of the route on which traffic-relevant events are to be collected can be collected.
  • the application recognizes whether the vehicle 13, which is located on a traffic route 12, has passed a defined detection area S1 and determines the transit time to the detection area S2. If the specified transit time is significantly exceeded, the section of the route defined by the detection areas S1, S2 and the actual transit time is recorded as "floating car data" and optionally with additional vehicle-side additional information such as e.g. The operating status of the brake lights, rear fog lights, windshield wipers, ABS etc. is coded and transmitted to the detection center 20 (see FIG. 1) by mobile radio. On the basis of this assignment, the speeds of the vehicles determined by the vehicle end devices are then assigned to the road sections.
  • FIGS. 5 and 6 show, the position of the detection areas S1, S2 is initially fixed. However, when a traffic-relevant event (traffic jam area 14) occurs, it can be varied dynamically to S1 ', S2' and adapted to the new traffic situation in such a way that the best possible data collection is guaranteed.
  • a traffic-relevant event traffic jam area 14
  • the terminal recognizes this from the vehicle behavior (braking) of the vehicle in the affected detection areas (S1, S2 or S1 ', S2') and a message is sent to the central station 20 via mobile radio.
  • Abrupt standstill of the vehicle can indicate an Be impact or accident. Braking the vehicle hard on the freeway often means that traffic jams begin. Slow travel gives an indication of heavy traffic, etc.
  • This message is coupled with the information about where the event occurred (eg intersection 17) and the positional tail of the reporting vehicle (eg route intersection 18 - intersection 17).
  • the information given to the control center 20 would accordingly e.g. read: Event 14 has occurred. at intersection 17 after covering the route intersection 18 - intersection 17.
  • the control center 20 can now output to all vehicles the information that event 14 when crossing the route section 17, is planned (Traffic jam) will occur.
  • the route intersection 18 - intersection 19 is named as a possible alternative. If the alternative route is removed from the vehicle, the central unit 20 receives feedback. From the vehicle feedback, the central unit 20 can recognize whether the diversion recommendation is accepted.
  • the received data are processed by the application function in the control center 20 and the route data in a dynamic database 7 are assigned to a digital road map.
  • the geographical self-location in the vehicle can e.g. be warned of the impending end of the traffic jam just before the traffic jam (warning: danger of collision)
  • plausibility checks 8 when determining the deviations (historical data, average data or data from other participants located on this section of the route are used), increased transit times caused by parking, breakdowns, etc. are to be suppressed.
  • traffic information reported back to the road user can be geographically or logically, e.g. with the indication of the street name.
  • FIG. 4 explains, using steps a - e, a possible communication sequence for such a direct traffic warning message.
  • the terminal of the accident vehicle 13 sends a message (location coordinates and other available data on the direction of travel, etc.) to its directly responsible transmitting and receiving station (base station BTS) of the mobile radio network.
  • a message location coordinates and other available data on the direction of travel, etc.
  • the higher-level network node 15 of the mobile radio network evaluates the message and immediately sends a warning message to other mobile radio subscribers (vehicles 13a, 13b, 13c) of the source and neighboring radio cells, e.g. in broadcasting.
  • the higher-level network node sends the message in parallel to the responsible service center 20 (service center), e.g. via DatexP line.
  • the service center carries out a check of the message.
  • the service center sends a confirmation or cancellation notice to the network node (BSC).
  • BSC network node
  • the network node (BSC) causes the confirmation or cancellation note to be sent out in the source and neighboring cells.
  • the receivers 13a, 13b, 13c must have a corresponding terminal device according to the invention be equipped.
  • the accident data taken as an example, eg accident position, are compared with your own vehicle position. If a relevance (approach to the accident site) is recognized, this is communicated via a human-machine interface. This can be done visually and / or acoustically (eg “accident after 2.5 kilometers”).
  • the distance information is updated using the on-board satellite-based navigation system.
  • the confirmation or cancellation of the traffic report by the service center 20 is correspondingly acoustically visually displayed.
  • the data is transmitted, for example, via a signaling channel of the GSM mobile radio network available throughout Europe.
  • the traffic telematics terminals preferably consist of the following • function units:
  • SMS MO and MT short messages
  • SMS CB distribution messages
  • a digital road map of the ER is replaced by the region in the granularity of the road classes (BAB, highways, district roads, urban u. Municipal roads), as well as system-specific attributes of the individual Streckenab ⁇ sections (such as mean transit time, parking lots, etc.) before .
  • BAB highways, district roads, urban u. Municipal roads
  • system-specific attributes of the individual Streckenab ⁇ sections such as mean transit time, parking lots, etc.
  • FIG. 1 illustrates the functions that will take over the center 20 before ⁇ preferably.
  • the control center 20 takes over the communication management for the incoming dynamic traffic flow information of the various terminals (EG, 1, 2, 3), which are each equipped with or without a digital road map.
  • the data of existing, conventional detection systems, for example of induction loops 4 can likewise arrive at the control center 20.
  • Communication with the end devices (EG) takes place, for example, via a GSM network, for example the DI network.
  • the information received is recognized in a special communication server 5 for which further processing device prepared and stored in a service server 6 and assigned 7 route sections in a database.
  • the data flow to the terminals is bidirectional, so that the network server 9 can return current, processed data directly to individual terminals or to all assigned terminals.
  • the service center 20 dynamically controls the route sections to be recorded and the attributes to be recorded such as speed, reporting threshold, traffic count, etc. selects.
  • the data reported by vehicles are processed and processed and made available in a suitable form to cell phone subscribers or third parties.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Remote Sensing (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Color Television Systems (AREA)

Abstract

L'invention décrit un procédé et un dispositif de détermination d'informations et d'événements dynamiques relatifs à la circulation routière. Des données pertinentes en termes de circulation provenant des terminaux embarqués dans les véhicules sont enregistrées automatiquement, par interrogation à distance, ou manuellement et transmises, avec une identification locale, directement à d'autres abonnés d'un service de radiocommunication mobile, tel que GSM, et/ou à un central maître via un vaste réseau de télécommunication mobile. Les données entrantes sont traitées dans le central puis sont retransmises à des terminaux et/ou tiers sélectionnés. En outre, les résultats d'une interrogation comme, par exemple, des comportements au freinage, peuvent également être prédéfinis par un centre de guidage de la circulation routière et transmis aux terminaux des usagers de la route par radiodiffusion ou téléphone mobile dans une zone géographique délimitée. Ainsi, ces usagers peuvent 'observer' directement le flux de la circulattion et signaler aussitôt au central par téléphone mobile les résultats d'interrogation entrants.
EP96909008A 1995-03-23 1996-03-12 Procede et dispositif de determination d'informations dynamiques sur la circulation Expired - Lifetime EP0815547B2 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19510005 1995-03-23
DE19510005 1995-03-23
DE19604084 1996-02-05
DE19604084A DE19604084A1 (de) 1995-03-23 1996-02-05 Verfahren und Einrichtung zur Ermittlung von Dynamischen Verkehrsinformationen
PCT/DE1996/000436 WO1996029688A1 (fr) 1995-03-23 1996-03-12 Procede et dispositif de determination d'informations dynamiques sur la circulation

Publications (3)

Publication Number Publication Date
EP0815547A1 true EP0815547A1 (fr) 1998-01-07
EP0815547B1 EP0815547B1 (fr) 1999-12-15
EP0815547B2 EP0815547B2 (fr) 2006-08-30

Family

ID=26013521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96909008A Expired - Lifetime EP0815547B2 (fr) 1995-03-23 1996-03-12 Procede et dispositif de determination d'informations dynamiques sur la circulation

Country Status (9)

Country Link
US (1) US6012012A (fr)
EP (1) EP0815547B2 (fr)
AT (1) ATE187835T1 (fr)
AU (1) AU5268796A (fr)
CZ (1) CZ294596B6 (fr)
ES (1) ES2142053T5 (fr)
HU (1) HU227907B1 (fr)
PL (1) PL180138B1 (fr)
WO (1) WO1996029688A1 (fr)

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WO1996029688A1 (fr) 1996-09-26
HUP9801653A3 (en) 1999-05-28
EP0815547B2 (fr) 2006-08-30
AU5268796A (en) 1996-10-08
CZ300497A3 (cs) 1998-05-13
PL324636A1 (en) 1998-06-08
HU227907B1 (en) 2012-05-29
EP0815547B1 (fr) 1999-12-15
ATE187835T1 (de) 2000-01-15
PL180138B1 (pl) 2000-12-29
US6012012A (en) 2000-01-04
CZ294596B6 (cs) 2005-02-16
ES2142053T5 (es) 2007-03-16
HUP9801653A2 (hu) 1998-10-28

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