EP0959442A2 - Method of transmitting vehicle data information and traffic information system - Google Patents

Method of transmitting vehicle data information and traffic information system Download PDF

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Publication number
EP0959442A2
EP0959442A2 EP99440105A EP99440105A EP0959442A2 EP 0959442 A2 EP0959442 A2 EP 0959442A2 EP 99440105 A EP99440105 A EP 99440105A EP 99440105 A EP99440105 A EP 99440105A EP 0959442 A2 EP0959442 A2 EP 0959442A2
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EP
European Patent Office
Prior art keywords
vehicle
information
vehicles
data
traffic
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EP99440105A
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German (de)
French (fr)
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EP0959442B1 (en
EP0959442A3 (en
Inventor
Michael Wilhelm
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Alcatel CIT SA
Alcatel Lucent SAS
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Alcatel CIT SA
Alcatel SA
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/161—Decentralised systems, e.g. inter-vehicle communication
    • G08G1/163—Decentralised systems, e.g. inter-vehicle communication involving continuous checking

Definitions

  • the invention relates to a method for transmitting information and Visualization of sensed vehicle data and a Traffic information system according to the generic terms of Claims 1 and 6.
  • Radio information transmission by others is also known Road users with regard to lamp activation (DE 42 02 489 A1, DE 196 24 116 C1), accident report (DE 40 04816 A1) and distance to vehicle in front (DE 39 15 466 A1 and DE 31 38 377 A1). It is disadvantageous that only special data are used in each of these methods that are insufficient to address the main causes of Traffic disruptions, namely inappropriate driving behavior, too fight. In addition, there is particularly in the case of infrared transmission Problem that following vehicles in the "shadow" of vehicles, for example trucks that do Information transmission system can not have, drive and thus the information chain to the following vehicles is interrupted. In addition, false alarms can easily occur, especially in city traffic come through a turn signal if this is a warning signal is understood and therefore in appropriately equipped vehicles the hazard warning lights are switched on automatically.
  • the invention is based, a method and a task Traffic information system indicate that a much higher Allows traffic density and prevents traffic jams and accidents.
  • a preventive Traffic flow control results in particular from the fact that the controlling Component, namely humans and also vehicle electronics, in the Control process. This is achieved in that every vehicle or driver continuously foresighted Information is provided to respond accordingly to be able to. By showing transmitted data in the windscreen of the vehicle is also in thick fog and when driving at night safe driving possible. In connection with the cellular system of GSM cellular technology is also the problem of disrupting the Information chains through "shadow formation" behind vehicles, especially trucks or buses not using this system are equipped, solved. In addition, the process is independent of the Weather. For example, there is information at every sight ahead in terms of acceleration or braking Vehicles available. This is a more customized response of the driver of a following vehicle possible. Oscillating Vehicle flows and congestion as well as the risk of accidents contained.
  • the features of claim 3 can be a simple Realize guidance. A e.g. in the lower left corner of the The windshield of the route is also very helpful Visualization of further data that symbolizes the course of the route can be overlaid. Such route actions can, for example be: actuation of the windshield wiper, the fog lamp, the brake as well as average speed, traffic jam warning etc. If a The vehicle in front is braked and the wheels react different, it can be a result of black ice or wet road, so that conclusions about the road conditions are possible are. The route follows in a simple way through sensory Detection of steering movements or the angular position of the front wheels from e.g. 20 or 100 etc. of vehicles in front.
  • the vehicles can also be used as quasi Relay stations for transmitting information to vehicles operating on driving in the opposite lane can be used.
  • the transmission security can be rated as very high since the information on different ways are spread. An unwanted one Transfer of information or influencing the Oncoming traffic can be avoided, for example, by using a compass Determination of the rough direction of travel is used and the resulting derived data used to select irrelevant information become. It would also be conceivable from the outset to be a variable, directed one Radiation corresponding to the curve shape using array antennas to provide.
  • the transmission power can also be set accordingly.
  • Claim 6 characterizes a traffic information system that Visualization of information of all kinds, e.g. Average speed, focus of accidents, nearest petrol station, Hotel etc. as well as current traffic, road condition and weather data made possible by fading into the windscreen of the vehicle.
  • additional base stations are in the according to claim 7 Mobile network integrated. These base stations can do this in particular serve, statistics depending on the time of day, day of the week etc. to create the traffic density, the (average) speed, the Determine the probability of accidents and other data and if necessary, to send to road users. Furthermore can Marking of accident focal points, Speed limit indicators and other signal systems the determined statistical data are controlled. Base stations can also used to translate the To create information in other languages for road users to signal the next gas station, the next hotel and the like as well as relaying information to the police and even as "Electronic mailboxes" with messages or information for e.g. Freight traffic, convoy vehicles, etc. to serve.
  • Claim 8 characterizes a simple embodiment with respect to System components for implementing a traffic information system of the type described above.
  • the front screen overlay means an interface to the driver information direct control of the vehicle electronics can be provided.
  • the lighting system or the wiper system automatically be put into operation based on received signals.
  • Figure 1 is a schematic diagram to illustrate the method and Figure 2 system components for information processing in vehicles.
  • FIG. 1 A highway scenario is shown in FIG. 1, vehicles 1a to 1h in the direction of travel B and vehicles 2a to 2e in the opposite Drive in direction A.
  • the arrows symbolize the direction of information transmission, namely from the preceding vehicle to the following vehicle.
  • Additional radio links Y can move between vehicles in different directions - in Embodiment between 1e and 2c -, between vehicles different lanes in the same direction - in Embodiment between 1b and 1g -, between vehicles and Fixed stations 3a, 3b- in the exemplary embodiment between the vehicle 2e and the base station 3a and between the vehicle 1c and the base station 3b - and between several fixed stations 3a and 3b.
  • the base stations 3a and 3b can be used to Forward traffic information to the police, statistics about this To collect route section, vehicle density and To determine average speeds along signal lines Route e.g. regarding accident focus, speed limits etc. to control and possibly information about the next Petrol station, the next hotel etc. to the passing vehicles la to 1h and 2a to 2e.
  • the vehicles 1a to 1h and 2a to 2e in turn transmit sensor-determined vehicle data of all kinds, for example the current speed or actions like Accelerate, brake, wipers or fog lights on or off as well as steering wheel movements or angle information of the front wheel axle.
  • the latter information is used as an input signal to display a predicted route in e.g. the lower left corner of the Windshield of following vehicles used.
  • the vehicles 1a to 1h and 2a to 2e are for this purpose with a computer 4 (Figure 2) Preparation of all information equipped, in particular for Route determination based on the data available at certain points Interpolation can be implemented in complete route representations.
  • the Vehicle data and vehicle actions listed above as examples are superimposed on this route in an ergonomically favorable manner.
  • This weather-independent procedure simplifies a more adapted one Driving style based on traffic, weather and road conditions current events, for example accidents, road closures or Construction sites.
  • FIG. 2 shows an embodiment of the in the vehicle (1a to 1h, 2a to 2e) arranged essential system components for realizing a traffic information system according to the invention.
  • the centerpiece is a computer 4, with a receiving and transmitting device 5, a converter 6 with connected vehicle sensors 7 for bilateral Information transfer is connected.
  • an interface 8 is connected which is used to control Front screen insertion means 9 is used.
  • the Computer 4 a further interface 10 for vehicle control be connected.
  • the receiving and transmitting device 5 is with Receiving or transmitting antennas 11 connected, which are predetermined Can have directional characteristics. For example, these antennas 11 be designed as array antennas.
  • the computer 4 is preferably used also for speed-dependent selection of the interface 8 information to be forwarded to the front disk display 9. This can be divided into stored priority classes beforehand.
  • the invention is not limited to the above Embodiment. Rather, a number of variants are conceivable which, even with a fundamentally different type of execution, Make use of features of the invention.

Abstract

The method involves transferring information and displaying vehicle data acquired by sensors, especially speed, lighting conditions, ABS triggering, steering wheel turning, position. A mobile radio network is used and the data transmitted are blended into the front windscreen of the vehicle (1a-1h;2a-2e). The data are divided into priority classes which are transmitted and/or displayed depending on parameters, especially speed. An Independent claim is also included for traffic information system.

Description

Die Erfindung betrifft ein Verfahren zur Informationsübertragung und Visualisierung sensorisch ermittelter Fahrzeugdaten sowie ein Verkehrsinformationssystem gemäß den Oberbegriffen der Patentansprüche 1 und 6.The invention relates to a method for transmitting information and Visualization of sensed vehicle data and a Traffic information system according to the generic terms of Claims 1 and 6.

Zur Verkehrsflußsteuerung ist eine erhebliche Menge aktueller Daten erforderlich, die oft nicht verfügbar sind. Bei Staumeldungen werden Daten nur aufbereitet, um den Stau zu umfahren (Verkehrsfunk) und nicht, um den Stau im Vorfeld zu verhindern. Bekannt ist die Verkehrsflußsteuerung durch Fahrbahnschleifen, die mittels einer Steuereinheit Lichtsignalanlagen beaufschlagen. Der Nachteil dieser Systeme ist, daß sie fest installiert sind und somit nur an bestimmten, weit auseinanderliegenden Punkten Verkehrsdaten zur Verkehrsflußsteuerung aufnehmen. Eine Verkehrsbeeinflussung bzw. die Verhinderung oszillierender Verkehrsströme, die meistens zum Stau führen, ist dadurch nicht möglich. Auch der Verkehrsfunk über Autoradio hat sich als ungeeignetes Mittel erwiesen, um einen besseren Vekehrsfluß zu erreichen (Zeitschrift FOCUS, 22/1997, S. 207/208).A considerable amount of current data is required for traffic flow control required, which are often not available. When traffic jams are reported, data is only prepared to avoid traffic jams (traffic information) and not to avoid traffic jams To prevent traffic jams in advance. The traffic flow control is known by Roadway loops using a control unit light signal systems act upon. The disadvantage of these systems is that they are permanently installed and therefore only at certain, widely separated points Record traffic data for traffic flow control. A Traffic control or the prevention of oscillating Traffic flows that mostly lead to traffic jams are not possible. Traffic radio via car radio has also proven to be an unsuitable means proven to achieve a better flow of traffic (magazine FOCUS, 22/1997, p. 207/208).

Bekannt ist weiterhin die Funkinformationsübertragung durch andere Verkehrsteilnehmer bezüglich Lampeneinschaltung (DE 42 02 489 A1, DE 196 24 116 C1), Unfallmeldung (DE 40 04816 A1) sowie Abstand zum vorausfahrenden Fahrzeug (DE 39 15 466 A1 und DE 31 38 377 A1). Nachteilig ist, daß bei diesen Verfahren jeweils nur spezielle Daten übertragen werden, die nicht ausreichen, um die Hauptursachen von Verkehrsstörungen, nämlich nicht angepaßtes Fahrverhalten, zu bekämpfen. Außerdem besteht insbesondere bei Infrarotübertragung das Problem, daß nachfolgende Fahrzeuge im "Schatten" von Fahrzeugen, beispielsweise Lastkraftwagen, die ein derartiges Informationsübertragungssystem nicht aufweisen, fahren können und somit die Informationskette zu den nachfolgenden Fahrzeugen unterbrochen wird. Darüber hinaus kann es gerade im Stadtverkehr leicht zu Falschalarmen durch eine Abbiege-Blinkanlage kommen, wenn dieses als Warnsignal verstanden wird und dadurch in entsprechend ausgerüsteten Fahrzeugen die Warnblinkanlage automatisch eingeschaltet wird.Radio information transmission by others is also known Road users with regard to lamp activation (DE 42 02 489 A1, DE 196 24 116 C1), accident report (DE 40 04816 A1) and distance to vehicle in front (DE 39 15 466 A1 and DE 31 38 377 A1). It is disadvantageous that only special data are used in each of these methods that are insufficient to address the main causes of Traffic disruptions, namely inappropriate driving behavior, too fight. In addition, there is particularly in the case of infrared transmission Problem that following vehicles in the "shadow" of vehicles, for example trucks that do Information transmission system can not have, drive and thus the information chain to the following vehicles is interrupted. In addition, false alarms can easily occur, especially in city traffic come through a turn signal if this is a warning signal is understood and therefore in appropriately equipped vehicles the hazard warning lights are switched on automatically.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und ein Verkehrsinformationssystem anzugeben, das eine wesentlich höhere Verkehrsdichte zuläßt und das Staus und Unfällen vorbeugt.The invention is based, a method and a task Traffic information system indicate that a much higher Allows traffic density and prevents traffic jams and accidents.

Erfindungsgemäß wird die Aufgabe durch die kennzeichnenden Merkmale des Anspruchs 1 bzw. des Anspruchs 6 gelöst. Eine vorbeugende Verkehrsflußsteuerung ergibt sich insbesondere dadurch, daß die steuernde Komponente, nämlich der Mensch und auch die Fahrzeugelektronik, in den Steuerungsprozess einbezogen werden. Dieses wird dadurch erreicht, daß jedem Fahrzeug bzw. Autofahrer kontinuierlich vorausschauende Informationen zur Verfügung gestellt werden, um entsprechend reagieren zu können. Durch das Einblenden übertragener Daten in die Frontscheibe des Fahrzeugs ist auch bei dichtem Nebel sowie bei Nachtfahrten eine sichere Fahrweise möglich. Im Zusammenhang mit dem Cellularsystem der GSM-Mobilfunktechnik ist auch das Problem der Unterbrechung der Informationsketten durch "Schattenbildung" hinter Fahrzeugen, insbesondere Lastkraftwagen oder Bussen, die nicht mit diesem System ausgerüstet sind, gelöst. Zudem ist das Verfahren unabhängig von der Witterung. Bei jeder Sichtweite stehen beispielsweise Informationen bezüglich des Beschleunigungs- oder Bremsvorganges vorausfahrender Fahrzeuge zur Verfügung. Auf diese Weise ist eine angepaßtere Reaktion des Fahrers eines nachfolgenden Fahrzeugs möglich. Oszillierende Fahrzeugströme und Staubildung sowie die Unfallgefahr werden eingedämmt.According to the invention, the object is characterized by the characteristic features of claim 1 and claim 6 solved. A preventive Traffic flow control results in particular from the fact that the controlling Component, namely humans and also vehicle electronics, in the Control process. This is achieved in that every vehicle or driver continuously foresighted Information is provided to respond accordingly to be able to. By showing transmitted data in the windscreen of the vehicle is also in thick fog and when driving at night safe driving possible. In connection with the cellular system of GSM cellular technology is also the problem of disrupting the Information chains through "shadow formation" behind vehicles, especially trucks or buses not using this system are equipped, solved. In addition, the process is independent of the Weather. For example, there is information at every sight ahead in terms of acceleration or braking Vehicles available. This is a more customized response of the driver of a following vehicle possible. Oscillating Vehicle flows and congestion as well as the risk of accidents contained.

Eine vorteilhafte Weiterbildung mit den Merkmalen des Anspruchs 2 gestattet eine höhere Sicherheit des Informationsaustausches. Informationsverlust beziehungsweise Zusammenbruch durch Informationsüberflutung wird durch die automatische oder manuelle Vorwahl einer geeigneten Prioritätsklasse vorgebeugt. Bei sehr hoher Durchschnittsgeschwindigkeit sollten nur Informationen der höchsten Priorität häufiger gesendet werden. Darüber hinaus kann auch die Sendeleistung an die Geschwindigkeit beziehungsweise Durchschnittsgeschwindigkeit angepaßt werden, um sicherzustellen, daß bei sehr geringem Verkehr ein Unfall auch in größerer Entfernung (z.B. 1 Kilometer) erkannt wird. Andererseits sollten bei hoher Verkehrsdichte kleinere Funkzellen verwendet werden, um somit in dichter Folge Informationen der im Nahbereich befindlichen Informationssender zu erhalten.An advantageous further development with the features of claim 2 allows a higher security of information exchange. Loss of information or breakdown Information overload is automatic or manual Pre-selection of a suitable priority class prevented. At very high Average speed should only be information of the highest Priority will be sent more often. In addition, the Transmit power to the speed respectively Average speed to be adjusted to ensure that at very little traffic an accident even at a greater distance (e.g. 1 Kilometers) is recognized. On the other hand, with high traffic density Smaller radio cells are used in order to be in close succession Information from the local information channels receive.

Durch die Merkmale des Anspruchs 3 läßt sich auf einfache Weise eine Orientierungshilfe realisieren. Ein z.B. in der unteren linken Ecke der Frontscheibe eingeblendeter Streckenverlauf ist außerdem sehr hilfreich zur Visualisierung weiterer Daten, die symbolhaft dem Streckenverlauf überlagert werden können. Solche Streckenaktionen können beispielsweise sein: Betätigung des Scheibenwischers, des Nebelscheinwerfers, der Bremse sowie Durchschnittsgeschwindigkeit, Stauwarnung usw. Wird ein vorausfahrendes Fahrzeug abgebremst, und die Räder reagieren unterschiedlich, kann das eine Folge von Glatteis oder nasser Straße sein, so daß auf diese Weise auch Rückschlüsse auf den Straßenzustand möglich sind. Der Streckenverlauf ergibt sich auf einfache Weise durch sensorische Erfassung der Lenkbewegungen oder der Winkelstellung der Vorderräder von z.B. 20 oder 100 usw. vorausfahrender Fahrzeuge. The features of claim 3 can be a simple Realize guidance. A e.g. in the lower left corner of the The windshield of the route is also very helpful Visualization of further data that symbolizes the course of the route can be overlaid. Such route actions can, for example be: actuation of the windshield wiper, the fog lamp, the brake as well as average speed, traffic jam warning etc. If a The vehicle in front is braked and the wheels react different, it can be a result of black ice or wet road, so that conclusions about the road conditions are possible are. The route follows in a simple way through sensory Detection of steering movements or the angular position of the front wheels from e.g. 20 or 100 etc. of vehicles in front.

Gemäß Anspruch 4 werden nur die Daten vorausfahrender Fahrzeuge quasi als Informationsübertragungskette empfangen. Da der Autofahrer auf diese Weise darüber informiert ist, daß beispielsweise die zehn vorausfahrenden Fahrzeuge mit einer Durchschnittsgeschwindigkeit von 110 km/Std. fahren und zusätzlich angezeigt wird, daß diese beschleunigen oder bremsen, kann dieser seine Fahrweise rechtzeitig anpassen. Staus und Unfälle lassen sich dadurch vermeiden.According to claim 4, only the data of vehicles driving ahead quasi received as an information transmission chain. Because the driver on is informed that, for example, the ten vehicles in front with an average speed of 110 km / h drive and it is also indicated that they are accelerating or brake, he can adapt his driving style in good time. Traffic jams and This can prevent accidents.

Zusätzlich können die Fahrzeuge gemäß Anspruch 5 auch quasi als Relaisstationen zur Übertragung von Informationen an Fahrzeuge, die auf der Gegenfahrbahn fahren, benutzt werden. Dadurch ergibt sich ein Kommunikationsnetz, mit dem nicht nur Verkehrsdaten sondern jegliche Art von Nachrichten transportiert werden kann. Die Übertragungssicherheit kann als sehr hoch eingeschätzt werden, da die Informationen über verschiedene Wege verbreitet werden. Eine ungewollte Inforamtionsübertragung beziehungsweise Beeinflussung des Gegenverkehrs läßt sich vermeiden, indem beispielsweise ein Kompaß zur Ermittlung der groben Fahrtrichtung eingesetzt wird und die daraus abgeleiteten Daten zur Selektion irrelevanter Informationen verwendet werden. Denkbar wäre auch, von vornherein eine variable, gerichtete Abstrahlung entsprechend dem Kurvenverlauf mittels Array-Antennen vorzusehen. Auch die Sendeleistung kann entsprechend eingestellt werden.In addition, the vehicles can also be used as quasi Relay stations for transmitting information to vehicles operating on driving in the opposite lane can be used. This results in a Communication network with which not only traffic data but all kinds can be transported by messages. The transmission security can be rated as very high since the information on different ways are spread. An unwanted one Transfer of information or influencing the Oncoming traffic can be avoided, for example, by using a compass Determination of the rough direction of travel is used and the resulting derived data used to select irrelevant information become. It would also be conceivable from the outset to be a variable, directed one Radiation corresponding to the curve shape using array antennas to provide. The transmission power can also be set accordingly.

Anspruch 6 charakterisiert ein Verkehrsinformationssystem, das die Visualisierung von Informationen aller Art, z.B. Durchschnittsgeschwindigkeit, Unfallschwerpunkte, nächste Tankstelle, Hotel etc. sowie aktuelle Verkehrs-, Straßenzustands- und Wetterdaten durch Einblendung in die Frontscheibe des Fahrzeuges ermöglicht.Claim 6 characterizes a traffic information system that Visualization of information of all kinds, e.g. Average speed, focus of accidents, nearest petrol station, Hotel etc. as well as current traffic, road condition and weather data made possible by fading into the windscreen of the vehicle.

Vorzugsweise sind gemäß Anspruch 7 zusätzlich Feststationen in das Mobilfunknetz integriert. Diese Feststationen können insbesondere dazu dienen, Statistiken in Abhängigkeit von der Tageszeit, dem Wochentag usw. zu erstellen, die Verkehrsdichte, die (Durchschnitts-)Geschwindigkeit, die Unfallwahrscheinlichkeit und andere Daten zu ermitteln und gegenbenenfalls an die Verkehrsteilnehmer zu senden. Desweiteren können Markierungen von Unfallschwerpunkten, Geschwindigkeitsbegrenzungsanzeigen und andere Signalanlagen durch die ermittelten Statistikdaten angesteuert werden. Feststationen können darüber hinaus auch eingesetzt werden, um Übersetzungen der Informationen in andere Sprachen zu erstellen, den Verkehrsteilnehmern die nächste Tankstelle, das nächste Hotel und dergleichen zu signalisieren sowie Informationen an die Polizei weiterzuleiten und sogar um als "Elektronische Briefkästen" mit Nachrichten bzw. Informationen für z.B. Güterverkehr, Kolonnenfahrzeuge usw. zu dienen.Preferably, additional base stations are in the according to claim 7 Mobile network integrated. These base stations can do this in particular serve, statistics depending on the time of day, day of the week etc. to create the traffic density, the (average) speed, the Determine the probability of accidents and other data and if necessary, to send to road users. Furthermore can Marking of accident focal points, Speed limit indicators and other signal systems the determined statistical data are controlled. Base stations can also used to translate the To create information in other languages for road users to signal the next gas station, the next hotel and the like as well as relaying information to the police and even as "Electronic mailboxes" with messages or information for e.g. Freight traffic, convoy vehicles, etc. to serve.

Anspruch 8 charakterisiert ein einfaches Ausführungsbeispiel bezüglich der Systemkomponenten zur Realisierung eines Verkehrsinformationssystems der oben beschriebenen Art. Dabei kann neben den Frontscheiben-Einblendungsmitteln zur Fahrerinformation auch eine Schnittstelle zur direkten Ansteuerung der Fahrzeugelektrik vorgesehen sein. Beispielsweise kann die Beleuchtungsanlage oder die Scheibenwischeranlage automatisch aufgrund empfangener Signale in Betrieb gesetzt werden.Claim 8 characterizes a simple embodiment with respect to System components for implementing a traffic information system of the type described above. In addition to the front screen overlay means an interface to the driver information direct control of the vehicle electronics can be provided. For example can the lighting system or the wiper system automatically be put into operation based on received signals.

Die Erfindung wird nachfolgend anhand eines figürlich dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:The invention is illustrated below with reference to a figure Embodiment explained in more detail. Show it:

Figur 1 eine Prinzipdarstellung zur Veranschaulichung des Verfahrens und Figur 2 Systemkomponenten zur Informationsverarbeitung in Fahrzeugen.Figure 1 is a schematic diagram to illustrate the method and Figure 2 system components for information processing in vehicles.

In Figur 1 ist ein Autobahnszenario dargestellt, wobei Fahrzeuge 1a bis 1h in die Fahrtrichtung B und Fahrzeuge 2a bis 2e in die entgegengesetzte Fahrtrichtung A fahren. Jeweils hintereinander fahrende Fahrzeuge sind durch Funkstrecken X eines cellularen GSM-Netzes verbunden. Die Pfeile symbolisieren die Informationsübertragungsrichtung, nämlich jeweils von dem vorausfahrenden zu dem nachfolgenden Fahrzeug. Durch die Verwendung eines Mobilfunknetzes ergibt sich der Vorteil, daß nicht alle Fahrzeuge mit einer entsprechenden Sende- und Empfangseinrichtung ausgestattet sein müssen, da eine Unterbrechung der Informationsstrecke infolge von Abschattungen nicht auftreten kann. Zusätzliche Funkstrecken Y können zwischen Fahrzeugen verschiedener Fahrtrichtung - im Ausführungsbeispiel zwischen 1e und 2c - , zwischen Fahrzeugen unterschiedlicher Fahrtspuren in gleicher Fahrtrichtung - im Ausführungsbeispiel zwischen 1b und 1g - , zwischen Fahrzeugen und Feststationen 3a, 3b- im Ausführungsbeispiel zwischen dem Fahrzeug 2e und der Feststation 3a und zwischen dem Fahrzeug 1c und der Feststation 3b - sowie zwischen mehreren Feststationen 3a und 3b vorgesehen sein. Die Feststationen 3a und 3b können dazu benutzt werden, Verkehrsinformationen an die Polizei weiterzuleiten, Statistiken über diesen Streckenabschnitt zu sammeln, die Fahrzeugdichte und Durchschnittsgeschwindigkeiten zu ermitteln, Signalanlagen entlang der Strecke z.B. bezüglich Unfallschwerpunkte, Geschwindigkeitsbegrenzungen usw. anzusteuern und gegebenenfalls Informationen über die nächste Tankstelle, das nächste Hotel usw. an die vorbeifahrenden Fahrzeuge la bis 1h und 2a bis 2e weiterzuleiten. Gegebenenfalls können auch Übersetzungen der Informationen in verschiedene Sprachen sowie "elektronische Briefkästen" mit Informationen für den Güterverkehr usw. durch die Feststationen 3a und 3b realisiert werden. Die Fahrzeuge 1a bis 1h und 2a bis 2e übertragen ihrerseits sensorisch ermittelte Fahrzeugdaten aller Art, beispielsweise die aktuelle Geschwindigkeit oder Aktionen wie Beschleunigen, Bremsen, Scheibenwischer oder Nebelscheinwerfer an bzw. aus sowie Lenkradbewegungen bzw. Winkelangaben der Vorderradachse. Letztere Informationen werden als Eingangssignal zur Einblendung eines prognostizierten Streckenverlaufes in z.B. die untere linke Ecke der Windschutzscheibe nachfolgender Fahrzeuge verwendet. Die Fahrzeuge 1a bis 1h und 2a bis 2e sind dazu mit einem Rechner 4 (Figur 2) zur Aufbereitung aller Informationen ausgestattet, wobei insbesondere zur Streckenermittlung die punktuell zur Verfügung stehenden Daten durch Interpolation in lückenlose Streckendarstellungen umgesetzt werden. Die oben beispielhaft aufgezählten Fahrzeugdaten und Fahrzeugaktionen werden diesem Streckenverlauf in ergonomisch günstiger Weise überlagert. Dieses witterungsunabhängige Verfahren vereinfacht eine angepaßtere Fahrweise an Verkehrs-, Witterungs- und Straßenverhältnisse sowie an aktuelle Ereignisse, beispielsweise Unfällen, Straßensperrungen oder Baustellen.A highway scenario is shown in FIG. 1, vehicles 1a to 1h in the direction of travel B and vehicles 2a to 2e in the opposite Drive in direction A. There are vehicles driving one behind the other connected by radio links X of a cellular GSM network. The arrows symbolize the direction of information transmission, namely from the preceding vehicle to the following vehicle. Through the Using a cellular network has the advantage that not all Vehicles with a corresponding transmitting and receiving device must be equipped as an interruption in the information path cannot occur due to shadowing. Additional radio links Y can move between vehicles in different directions - in Embodiment between 1e and 2c -, between vehicles different lanes in the same direction - in Embodiment between 1b and 1g -, between vehicles and Fixed stations 3a, 3b- in the exemplary embodiment between the vehicle 2e and the base station 3a and between the vehicle 1c and the base station 3b - and between several fixed stations 3a and 3b. The base stations 3a and 3b can be used to Forward traffic information to the police, statistics about this To collect route section, vehicle density and To determine average speeds along signal lines Route e.g. regarding accident focus, speed limits etc. to control and possibly information about the next Petrol station, the next hotel etc. to the passing vehicles la to 1h and 2a to 2e. If necessary, too Translations of the information into different languages as well "electronic mailboxes" with information for freight traffic, etc. can be realized by the base stations 3a and 3b. The vehicles 1a to 1h and 2a to 2e in turn transmit sensor-determined vehicle data of all kinds, for example the current speed or actions like Accelerate, brake, wipers or fog lights on or off as well as steering wheel movements or angle information of the front wheel axle. The latter information is used as an input signal to display a predicted route in e.g. the lower left corner of the Windshield of following vehicles used. The vehicles 1a to 1h and 2a to 2e are for this purpose with a computer 4 (Figure 2) Preparation of all information equipped, in particular for Route determination based on the data available at certain points Interpolation can be implemented in complete route representations. The Vehicle data and vehicle actions listed above as examples are superimposed on this route in an ergonomically favorable manner. This weather-independent procedure simplifies a more adapted one Driving style based on traffic, weather and road conditions current events, for example accidents, road closures or Construction sites.

Figur 2 zeigt ein Ausführungsbeispiel der im Fahrzeug (1a bis 1h, 2a bis 2e) angeordneten wesentlichen Systemkomponenten zur Realisierung eines erfindungsgemäßen Verkehrsinformationssystems. Kernstück ist ein Rechner 4, der mit einer Empfangs- und Sendeeinrichtung 5, einem Wandler 6 mit angeschlossenen Fahrzeug-Sensoren 7 zur bilateralen Informationsübertragung verbunden ist. Weiterhin an den Rechner 4 angeschlossen ist eine Schnittstelle 8, die zur Ansteuerung von Frontscheiben-Einblendungsmitteln 9 dient. Gegebenenfalls kann an den Rechner 4 eine weitere Schnittstelle 10 zur Fahrzeugsteuerung angeschlossen sein. Die Empfangs- und Sendeeinrichtung 5 ist mit Empfangs- bzw. Sendeantennen 11 verbunden, welche fest vorgegebene Richtcharakteristiken haben können. Beispielsweise können diese Antennen 11 als Array-Antennen ausgebildet sein. Der Rechner 4 dient vorzugsweise auch zur geschwindigkeitsabhängigen Auswahl der an die Schnittstelle 8 zur Forntscheiben-Einblendung 9 weiterzuleitenden Informationen. Diese können dazu vorab in eingespeicherten Prioitätsklassen eingeteilt sein.Figure 2 shows an embodiment of the in the vehicle (1a to 1h, 2a to 2e) arranged essential system components for realizing a traffic information system according to the invention. The centerpiece is a computer 4, with a receiving and transmitting device 5, a converter 6 with connected vehicle sensors 7 for bilateral Information transfer is connected. Continue to the computer 4 an interface 8 is connected which is used to control Front screen insertion means 9 is used. If necessary, the Computer 4 a further interface 10 for vehicle control be connected. The receiving and transmitting device 5 is with Receiving or transmitting antennas 11 connected, which are predetermined Can have directional characteristics. For example, these antennas 11 be designed as array antennas. The computer 4 is preferably used also for speed-dependent selection of the interface 8 information to be forwarded to the front disk display 9. This can be divided into stored priority classes beforehand.

Die Erfindung beschränkt sich nicht auf das vorstehend angegebene Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche auch bei grundsätzlich andersgearteter Ausführung von den Merkmalen der Erfindung Gebrauch machen.The invention is not limited to the above Embodiment. Rather, a number of variants are conceivable which, even with a fundamentally different type of execution, Make use of features of the invention.

Claims (8)

Verfahren zur Informationsübertragung und Visualisierung sensorisch ermittelter Fahrzeugdaten, insbesondere Geschwindigkeit, Beleuchtungszustand, ABS-Auslösung, Lenkradeinschlag, Position usw., zwischen den Fahrzeugen, dadurch gekennzeichnet, daß ein Mobilfunknetz verwendet wird und die übertragenen Daten in die Frontscheibe des Fahrzeugs (1a bis 1h, 2a bis 2e) eingeblendet werden.Process for information transfer and visualization sensory determined vehicle data, in particular speed, Lighting status, ABS activation, steering wheel lock, position etc., between the vehicles, characterized in that a cellular network is used and the transferred data in the front window of the Vehicle (1a to 1h, 2a to 2e) can be shown. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Daten in Prioritätsklassen eingeteilt werden, deren Übertragung und/oder Visualisierung parameterabhängig, insbesondere geschwindigkeitsabhängig, erfolgt.A method according to claim 1, characterized in that the data in Priority classes are classified, their transmission and / or Visualization depending on parameters, in particular depending on the speed. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß in die Frontscheibe des Fahrzeugs (1a bis 1h, 2a bis 2e) ein aus den Lenkradbewegungen beziehungsweise Vorderradbewegungen einer Anzahl n vorausfahrender Fahrzeuge (1a bis 1 h, 2a bis 2e) und deren Position beziehungsweise Abstand von dem Fahrzeug (1a bis 1h, 2a bis 2e) ermittelter Streckenverlauf eingeblendet wird.Method according to one of the preceding claims, characterized characterized in that in the front window of the vehicle (1a to 1h, 2a to 2e) one from the steering wheel movements respectively Front wheel movements of a number n of preceding vehicles (1a to 1 h, 2a to 2e) and their position or distance from the Vehicle (1a to 1h, 2a to 2e) determined route route shown becomes. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Daten vorausfahrender Fahrzeuge (1a bis 1h, 2a bis 2e) an nachfolgende Fahrzeuge (1a bis 1h, 2a bis 2e) übertragen werden. Method according to one of the preceding claims, characterized characterized in that the data of preceding vehicles (1a to 1h, 2a to 2e) to subsequent vehicles (1a to 1h, 2a to 2e) become. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Daten an Fahrzeuge (1a bis 1h, 2a bis 2e), die in die entgegengesetzte Richtung fahren, übertragen werden.Method according to one of the preceding claims, characterized characterized in that the data on vehicles (1a to 1h, 2a to 2e), which in drive in the opposite direction. Verkehrsinformationssystem mit Fahrzeugen (1a bis 1h, 2a bis 2e) zugeordneten Kommunikationseinrichtungen zur gegenseitigen Informationsübertragung mittels fahrzeuginterner Sensoren (7) ermittelter Daten, insbesondere bezüglich Geschwindigkeit, Beleuchtungszustand, ABS-Auslösung, Lenkradeinschlag, Standort, usw., wobei eine Fahrer-Informations-Einrichtrung zur Visualisierung der Informationen vorgesehen ist, dadurch gekennzeichnet, daß die Kommunikationseinrichtungen auf ein Mobilfunknetz (X, Y), insbesondere GSM (Global System for Mobile Communications), basieren und daß die Fahrer-lnformations-Einrichtung Mittel zur Einblendung des Streckenverlaufs und/oder der empfangenen Informationen in die Frontscheibe des Fahrzeuges (1a bis 1h, 2a bis 2e) umfaßt.Traffic information system with vehicles (1a to 1h, 2a to 2e) assigned communication facilities for mutual Information transmission by means of sensors (7) inside the vehicle Data, especially regarding speed, lighting condition, ABS triggering, steering wheel lock, location, etc., with a driver information facility provided to visualize the information is characterized in that the communication devices on a Mobile network (X, Y), especially GSM (Global System for Mobile Communications), and that the driver information facility Means for showing the route and / or the received Information in the windscreen of the vehicle (1a to 1h, 2a to 2e) includes. Verkehrsinformationssystem nach Anspruch 6, dadurch gekennzeichnet, daß mindestens eine Feststation (3a, 3b) zur Informationsübertragung an die Fahrzeuge (1a bis 1h, 2a bis 2e) und/oder zum Informationsempfang fahrzeugspezifischer Daten in das Mobilfunknetz integriert ist.Traffic information system according to claim 6, characterized in that at least one base station (3a, 3b) for information transmission the vehicles (1a to 1h, 2a to 2e) and / or for receiving information vehicle-specific data is integrated into the mobile radio network. Verkehrsinformationssystem nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß das Fahrzeug (1a bis 1h, 2a bis 2e) eine Empfangs- und Sendeeinrichtung (5) mit Empfangs- und Sende-Antenne (n) (11), die mit einem Rechner (4) zur Aufbereitung der empfangenen/zu sendenden Daten und gegebenenfalls zur Fahrzeugsteuerung verbunden ist, aufweist, wobei der Rechner (4) mit einem Wandler (6) mit angeschlossenen Fahrzeugsensoren (7) einer ersten Schnittstelle (8) zur Ansteuerung der Frontscheiben-Einblendungsmittel (9) und gegebenenfalls einer zweiten Schnittstelle (10) zur Fahrzeugsteuerung verbunden ist.Traffic information system according to claim 6 or 7, characterized characterized in that the vehicle (1a to 1h, 2a to 2e) has a reception and transmitting device (5) with receiving and transmitting antenna (s) (11), the with a computer (4) for processing the received / to be sent Data and possibly connected to the vehicle control, the computer (4) being connected to a converter (6) Vehicle sensors (7) of a first interface (8) for controlling the Windscreen overlay means (9) and optionally a second one Interface (10) is connected to the vehicle control.
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DE59910319D1 (en) 2004-09-30
US6369720B1 (en) 2002-04-09
JP2000030178A (en) 2000-01-28

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