EP0959442B1 - Method of transmitting vehicle data information and traffic information system - Google Patents
Method of transmitting vehicle data information and traffic information system Download PDFInfo
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- EP0959442B1 EP0959442B1 EP99440105A EP99440105A EP0959442B1 EP 0959442 B1 EP0959442 B1 EP 0959442B1 EP 99440105 A EP99440105 A EP 99440105A EP 99440105 A EP99440105 A EP 99440105A EP 0959442 B1 EP0959442 B1 EP 0959442B1
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- 238000000034 method Methods 0.000 title claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000012800 visualization Methods 0.000 claims description 5
- 238000005562 fading Methods 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
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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.
- Radio information transmission by others is also known Road users with regard to switching on lamps (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 for 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 one even in thick fog and when driving at night safe driving possible. In connection with the cellular system of GSM mobile technology is also the problem of disrupting the Information chains through "shadow formation" behind vehicles, especially trucks or buses that are not using this system are equipped, solved. In addition, the process is independent of the Weather. For example, with every line of sight there is information 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 curbed.
- 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 windscreen 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 to have a variable, directed one from the outset Radiation corresponding to the curve shape using array antennas provided.
- the transmission power can also be set accordingly.
- Claim 6 characterizes a traffic information system that the 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 around as "Electronic mailboxes" with messages or information for e.g. To serve goods traffic, convoy vehicles, etc.
- 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, 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 1 e 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 1a to 1h and 2a to 2e.
- the vehicles 1a to 1h and 2a to 2e in turn transmit vehicle data determined by sensors 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.
- vehicle data determined by sensors 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 1 h 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 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 in the case of a fundamentally different type of execution, from those in Make use of the characteristics of the claims.
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Description
Die Erfindung betrifft ein Verfahren zur Informationsübertragung und Visualisierung sensorisch ermittelter Fahrzeugdaten sowie ein Verkehrsinformationssystem.The invention relates to a method for transmitting information and Visualization of sensed vehicle data and a Traffic information system.
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. In the case of traffic jam reports, data 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 traffic light systems apply. 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 switching on lamps (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 for 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 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 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 one even in thick fog and when driving at night safe driving possible. In connection with the cellular system of GSM mobile technology is also the problem of disrupting the Information chains through "shadow formation" behind vehicles, especially trucks or buses that are not using this system are equipped, solved. In addition, the process is independent of the Weather. For example, with every line of sight there is information 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 curbed.
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 information channels located in the vicinity 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 windscreen 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 these 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 to have a variable, directed one from the outset Radiation corresponding to the curve shape using array antennas provided. 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 the 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 around as "Electronic mailboxes" with messages or information for e.g. To serve goods traffic, convoy vehicles, etc.
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.
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 bis1h
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 1 e 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 1a
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 1 h 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.In Figure 1, a highway scenario is shown, vehicles 1a to 1h
in the direction of travel B and
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
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 in den Ansprüchen formulierten Merkmalen Gebrauch machen.The invention is not limited to the above Embodiment. Rather, a number of variants are conceivable which, even in the case of a fundamentally different type of execution, from those in Make use of the characteristics of the claims.
Claims (8)
- Method for information transmission and visualisation of vehicle data detected by sensors, in particular speed, state of lighting, triggering of ABS, steering wheel lock, position, etc., wherein a mobile radio is used, the transmitted data are faded into the front windscreen of the vehicle (1a to 1h, 2a to 2e), the vehicle is in direct communication with other vehicles and the vehicle is simultaneously in communication with fixed stations.
- Method according to claim 1, characterised in that the data are divided into priority classes, transmission and/or visualisation of which takes place depending on parameters, in particular depending on speed.
- Method according to one of the preceding claims, characterised in that a route course determined from the steering wheel movements or front wheel movements of a number n of vehicles in front (1a to 1h, 2a to 2e) and their position or distance from the vehicle (1a to 1h, 2a to 2e) is faded into the front windscreen of the vehicle (1a to 1h, 2a to 2e).
- Method according to one of the preceding claims, characterised in that the data of vehicles in front (1a to 1h, 2a to 2e) are transmitted to following vehicles (1a to 1h, 2a to 2e).
- Method according to one of the preceding claims, characterised in that the data are transmitted to vehicles (1a to 1h, 2a to 2e) travelling in the opposite direction.
- Traffic information system with communication devices allocated to vehicles (1a to 1h, 2a to 2e) for mutual information transmission by means of data detected by sensors (7) inside the vehicle, in particular relating to speed, state of lighting, triggering of ABS, steering wheel lock, location, etc., wherein a driver information device for visualising the information is provided comprising the means for fading the route course and/or the received information into the front windscreen of the vehicle, the communication devices are based on a radio network (X, Y) and the communication devices are in direct communication with other vehicles and with fixed stations.
- Traffic information system according to claim 6, characterised in that at least one fixed station (3a, 3b) is integrated into the mobile network for information transmission to the vehicles (1a to 1h, 2a to 2e) and/or for information receipt of data specific to the vehicles.
- Traffic information system according to claim 6 or 7, characterised in that the vehicle (1a to 1h, 2a to 2e) has a receiving and transmitting device (5) with receiving and transmitting antenna(e)(11) connected to a computer (4) for processing the data received or to be sent and if applicable to the vehicle control unit, the computer (4) being connected to a transducer (6) with connected vehicle sensors (7) of a first interface (8) for triggering the front windscreen fading-in means (9) and if applicable of a second interface (10) for vehicle control.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19822914 | 1998-05-22 | ||
| DE19822914A DE19822914A1 (en) | 1998-05-22 | 1998-05-22 | Method for information transmission of vehicle data and traffic information system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0959442A2 EP0959442A2 (en) | 1999-11-24 |
| EP0959442A3 EP0959442A3 (en) | 2000-10-04 |
| EP0959442B1 true EP0959442B1 (en) | 2004-08-25 |
Family
ID=7868593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99440105A Expired - Lifetime EP0959442B1 (en) | 1998-05-22 | 1999-05-11 | Method of transmitting vehicle data information and traffic information system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6369720B1 (en) |
| EP (1) | EP0959442B1 (en) |
| JP (1) | JP2000030178A (en) |
| DE (2) | DE19822914A1 (en) |
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-
1998
- 1998-05-22 DE DE19822914A patent/DE19822914A1/en not_active Withdrawn
-
1999
- 1999-05-11 EP EP99440105A patent/EP0959442B1/en not_active Expired - Lifetime
- 1999-05-11 DE DE59910319T patent/DE59910319D1/en not_active Expired - Lifetime
- 1999-05-14 JP JP11134593A patent/JP2000030178A/en active Pending
- 1999-05-21 US US09/315,948 patent/US6369720B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59910319D1 (en) | 2004-09-30 |
| EP0959442A2 (en) | 1999-11-24 |
| DE19822914A1 (en) | 1999-11-25 |
| US6369720B1 (en) | 2002-04-09 |
| EP0959442A3 (en) | 2000-10-04 |
| JP2000030178A (en) | 2000-01-28 |
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