EP0892379B1 - Method and telematic equipment for gathering and broadcasting relevant traffic information - Google Patents
Method and telematic equipment for gathering and broadcasting relevant traffic information Download PDFInfo
- Publication number
- EP0892379B1 EP0892379B1 EP98111702A EP98111702A EP0892379B1 EP 0892379 B1 EP0892379 B1 EP 0892379B1 EP 98111702 A EP98111702 A EP 98111702A EP 98111702 A EP98111702 A EP 98111702A EP 0892379 B1 EP0892379 B1 EP 0892379B1
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- European Patent Office
- Prior art keywords
- data
- traffic
- stored
- traffic messages
- motor vehicle
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- 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.)
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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
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096791—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 another vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
-
- 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
- G08G1/09—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
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the 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
Definitions
- the invention relates to a method for creating and sending of traffic-related data with sensors on board of a motor vehicle have been created, together with a Position information to a control center in which the data is evaluated and used to create traffic reports.
- the invention further relates to a telematics device for a Motor vehicle with inputs for connecting sensors, one Input for received coded traffic reports, one input for signals from a navigation device and a transmitting device for emitting formed from the sensor signals Data to a central office.
- Today's traffic announcement system is not satisfactory because it takes a significant amount of time until relevant traffic events are reported and then be broadcast via radio, with many road users miss the announcement of the traffic announcement because they just turned off the car radio at this time or have tuned into a station that does not have traffic information radiates.
- the latter problem can be solved by setting up a Traffic radio channel are fixed, the last traffic reports be stored in a memory and therefore can be listened to at any time.
- the memory is there organized in such a way that newly arriving messages are saved to the oldest Eliminate messages from memory (first-in-first-out).
- the idea has become known through traffic telematics terminals installed in the vehicle Position, driving speed and direction immediately to report from the traffic situation.
- For position determination becomes satellite-based global positioning System GPS and for the transmission of information to the Central uses the extensive GSM mobile network.
- the data "Driving speed and direction" can also be obtained from GPS data, but preferably from sensing the steering movement and from the sensor for the speedometer or the wheel sensors for a automatic braking system (ABS) can be removed.
- ABS automatic braking system
- To this Ways can get traffic data from the road users themselves are currently being transmitted to the head office. But it will be required to transmit the data either in a fixed time grid or due to certain events (Falling below a minimum vehicle speed for a minimum duration or similar). This is e.g.
- the present invention is therefore based on the problem an excessive load on a communication network to avoid telematics devices installed in motor vehicles.
- the method according to the invention thus provides that the through the data contained in the sensors is not immediately sent to the control center be forwarded if this data is relevant for a Traffic situation, but first in the Central existing and already in the form of traffic reports communicated knowledge is checked. Only if the Vehicle internally formed data compared to the stored Traffic reports contain new information, that will Send out to the control center with the telematics device. It is naturally appropriate that the traffic reports be transmitted on a separate channel and therefore immediately and automatically received by the receiver in the motor vehicle and can be saved. The often redundant transmission of data to the headquarters by the numerous road users can therefore be avoided according to the invention, so that a minimal burden on the communication network by the Transmission of traffic data is achieved.
- the information about the location of the reported traffic situation can therefore not only a specific location, but also dimensions in the form of areas or sections.
- the comparison of the current position with a localization code can be made possible by a conversion algorithm.
- a memory with a localization table is preferred for the assignment of the navigation device determined position to a localization code provided.
- the device shown receives via an antenna 1 and Traffic radio receiver 2 traffic news, preferably via a traffic radio channel of the broadcasting companies or one Mobile radio channel of a mobile radio service provider available for this be broadcast.
- the traffic announcement preferably contains one, for example according to the ALERT C protocol Coded information about the type of message and a Lokalisationskode.
- a central processing unit 3 of the Device ensures that the traffic announcement is stored in a memory 4, thus all current traffic reports, at least insofar as they are relevant to the current position of the motor vehicle can be contains.
- a GPS receiver 5 Used to determine the current position of the motor vehicle a GPS receiver 5 with which a position determination from satellite signals is possible. If necessary, the position determination with the help of signals from certain sensors of the Motor vehicle, such as ABS sensors or steering motion sensors, be refined.
- a connection module is also connected to the central processing unit 3 6 connected, the output signals of a series of sensors 7 and signals from a motor vehicle bus 7 '.
- the central processing unit 3 processes the data from the connection module 6 delivered signals to traffic-relevant Data and assigns them to the associated parts of the encoded Traffic announcement too.
- an assignment of the position generated by the GPS receiver 5 to the recorded Data instead, the geographic data being a location code assigned, which is derived from a location table 8 results.
- a correlation is then established in the central processing unit the generated and with the localization code Data on saved under the same localization code current traffic reports.
- Correspond to the data an existing traffic announcement, nothing further is caused.
- the data generated via the sensors 7 belongs to a not yet reported traffic event or change a saved traffic report, for example by determining the resolution of a reported traffic jam a corresponding message is generated and via a GSM transmitter 9 and a GSM antenna 10 to a central office broadcasting service provider.
- traffic reports stored in the memory can understood in the broadest sense within the scope of the present invention are, in particular traffic-relevant environmental data include, e.g. Fog, precipitation, temperature warning messages or the like. Accordingly, sensors 7 are created of traffic-relevant data has so far not been considered drawn information providers into question, e.g. the actuation a light switch during the day as an indicator of Fog or precipitation, a slip sensor of an ABS control as an indicator of slippery roads due to ice, snow or Wetness etc.
- traffic-relevant environmental data include, e.g. Fog. Fog, precipitation, temperature warning messages or the like.
- sensors 7 are created of traffic-relevant data has so far not been considered drawn information providers into question, e.g. the actuation a light switch during the day as an indicator of Fog or precipitation, a slip sensor of an ABS control as an indicator of slippery roads due to ice, snow or Wetness etc.
- the invention also makes it possible process traffic reports from other sources, for example the data from the motor vehicle sensors to interpret.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
- Navigation (AREA)
Description
Die Erfindung betrifft ein Verfahren zum Erstellen und Aussenden von verkehrsrelevanten Daten, die mit Sensoren an Bord eines Kraftfahrzeugs erstellt worden sind, zusammen mit einer Positionsangabe an eine Zentrale, in der die Daten ausgewertet und zur Erstellung von Verkehrsmeldungen benutzt werden.The invention relates to a method for creating and sending of traffic-related data with sensors on board of a motor vehicle have been created, together with a Position information to a control center in which the data is evaluated and used to create traffic reports.
Die Erfindung betrifft ferner ein Telematikgerät für ein Kraftfahrzeug mit Eingängen zum Anschluß von Sensoren, einem Eingang für empfangene kodierte Verkehrsmeldungen, einem Eingang für Signale einer Navigationseinrichtung und einer Sendeeinrichtung zum Aussenden von aus den Sensorsignalen gebildeten Daten an eine Zentrale.The invention further relates to a telematics device for a Motor vehicle with inputs for connecting sensors, one Input for received coded traffic reports, one input for signals from a navigation device and a transmitting device for emitting formed from the sensor signals Data to a central office.
Das heute praktizierte System der Durchsage von Verkehrsnachrichten ist nicht befriedigend, weil eine erhebliche Zeit benötigt wird, bis relevante Verkehrsereignisse gemeldet und dann über Rundfunk mitgeteilt werden, wobei viele Verkehrsteilnehmer die Durchsage der Verkehrsmeldung verpassen, weil sie gerade zu diesem Zeitpunkt das Autoradio ausgeschaltet oder einen Sender eingestellt haben, der keine Verkehrsnachrichten ausstrahlt.Today's traffic announcement system is not satisfactory because it takes a significant amount of time until relevant traffic events are reported and then be broadcast via radio, with many road users miss the announcement of the traffic announcement because they just turned off the car radio at this time or have tuned into a station that does not have traffic information radiates.
Das letztgenannte Problem kann durch die Einrichtung eines Verkehrsfunkkanals behoben werden, dessen jeweils letzte Verkehrsmeldungen in einem Speicher abgespeichert werden und daher jederzeit abgehört werden können. Der Speicher ist dabei so organisiert, daß neu ankommende Meldungen die ältesten abgespeicherten Meldungen aus dem Speicher eliminieren (First-In-First-Out).The latter problem can be solved by setting up a Traffic radio channel are fixed, the last traffic reports be stored in a memory and therefore can be listened to at any time. The memory is there organized in such a way that newly arriving messages are saved to the oldest Eliminate messages from memory (first-in-first-out).
Es wird erwogen und an Versuchsstrecken erprobt, durch an den Straßen, insbesondere Autobahnen, montierte Sensoren die mittlere Verkehrsdichte und -geschwindigkeit zu detektieren und an eine Zentrale zu melden, die aus den detektierten Daten Verkehrsmeldungen erstellt.It is being considered and tested on test tracks by the Roads, especially highways, mounted sensors in the middle Detect and report traffic density and speed a control center to report traffic reports from the detected data created.
Ergänzend oder alternativ hierzu ist der Gedanke bekannt geworden, durch im Fahrzeug installierte Verkehrstelematik-Endgeräte Position, Fahrgeschwindigkeit und -richtung unmittelbar aus dem Verkehrsgeschehen zu melden. Zur Positionsbestimmung wird dabei das satellitengestützte Global Positioning System GPS und zur Informationsübermittlung an die Zentrale das flächende GSM-Mobilfunknetz genutzt. Die Daten "Fahrgeschwindigkeit und -richtung" können auch aus GPS-Daten, vorzugsweise jedoch aus der Sensierung der Lenkbewegung und aus dem Sensor für den Tachometer oder den Radsensoren für ein automatisches Bremssystem (ABS) entnommen werden. Auf diese Weise können Verkehrsdaten von den Verkehrsteilnehmern selbst aktuell an die Zentrale übermittelt werden. Dabei wird es allerdings erforderlich sein, die Übermittlung der Daten entweder in einem festen Zeitraster oder aufgrund bestimmter Ereignisse (Unterschreiten einer Mindest-Fahrzeuggeschwindigkeit für eine Mindestdauer o.ä.) vorzusehen. Dies ist z.b. der EP-A-715 285 zu entnehmen. Da für die Übersendung der Daten ein Verbindungsaufbau, beispielsweise im GSM-Netz, erforderlich ist, wird beim Auftreten eines Staus, also bei einer kollektiven Verlangsamung der Fahrgeschwindigkeit, eine erhebliche Anzahl von Übermittlungen aufgebaut oder zumindest versucht werden. Bei der wünschenswerten großen Verbreitung dieses FCD-Verfahrens (Floating-Car-Data-Verfahren) werden die Meldungen der Telematikgeräte zu einer erheblichen Beeinträchtigung der Verfügbarkeit des Kommunikationsnetzes führen, wodurch ggf. die Funktionsfähigkeit des FCD-Verfahrens in Frage gestellt wird.In addition or as an alternative to this, the idea has become known through traffic telematics terminals installed in the vehicle Position, driving speed and direction immediately to report from the traffic situation. For position determination becomes satellite-based global positioning System GPS and for the transmission of information to the Central uses the extensive GSM mobile network. The data "Driving speed and direction" can also be obtained from GPS data, but preferably from sensing the steering movement and from the sensor for the speedometer or the wheel sensors for a automatic braking system (ABS) can be removed. To this Ways can get traffic data from the road users themselves are currently being transmitted to the head office. But it will be required to transmit the data either in a fixed time grid or due to certain events (Falling below a minimum vehicle speed for a minimum duration or similar). This is e.g. can be found in EP-A-715 285. As for the transmission the data establish a connection, for example in the GSM network, is required when a traffic jam occurs, i.e. when a collective slowdown in driving speed, a substantial number of transmissions built up or at least be tried. With the desirable wide distribution this FCD process (floating car data process) Messages from the telematics devices to a considerable impairment the availability of the communication network, which possibly the functionality of the FCD procedure in question is provided.
Der vorliegenden Erfindung liegt daher das Problem zugrunde, eine zu starke Beanspruchung eines Kommunikationsnetzes durch in Kraftfahrzeugen eingebaute Telematikgeräte zu vermeiden.The present invention is therefore based on the problem an excessive load on a communication network to avoid telematics devices installed in motor vehicles.
Ausgehend von dieser Problemstellung ist erfindungsgemäß ein Verfahren der eingangs erwähnten Art dadurch gekennzeichnet, daß Verkehrsmeldungen mit einem Empfänger in dem Kraftfahrzeug empfangen und nach Art und Ort abgespeichert werden und daß vor dem Aussenden von Daten an die Zentrale ein Vergleich der Daten unter Berücksichtigung der aktuellen Position mit dem Inhalt der abgespeicherten Verkehrsmeldungen vorgenommen wird und nur solche Daten an die Zentrale ausgesandt werden, die in den abgespeicherten Daten nicht enthalten sind bzw. eine Änderung gegenüber den abgespeicherten Daten enthalten.On the basis of this problem, according to the invention Process of the type mentioned in the introduction, that traffic reports with a receiver in the motor vehicle received and saved by type and location and that Before sending data to the head office, a comparison of the Data considering the current position with the Content of the stored traffic reports is made and only those data are sent to the headquarters that are in the saved data are not included or a change compared to the stored data.
Das erfindungsgemäße Verfahren sieht somit vor, daß die durch die Sensoren enthaltenen Daten nicht sofort an die Zentrale weitergeleitet werden, wenn diese Daten eine Relevanz für eine Verkehrssituation haben könnten, sondern zunächst der in der Zentrale vorhandene und in Form von Verkehrsmeldungen bereits mitgeteilte Kenntnisstand überprüft wird. Nur wenn die im Fahrzeug intern gebildeten Daten gegenüber den abgespeicherten Verkehrsmeldungen eine neue Information enthalten, wird das Aussenden an die Zentrale mit dem Telematikgerät veranlaßt. Dabei ist es naturgemäß zweckmäßig, daß die Verkehrsmeldungen auf einem eigenen Kanal übermittelt werden und daher sofort und automatisch vom Empfänger im Kraftfahrzeug empfangen und abgespeichert werden können. Die vielfach redundante Aussendung von Daten an die Zentrale durch die zahlreichen Verkehrsteilnehmer kann daher erfindungsgemäß vermieden werden, so daß eine minimale Belastung des Kommunikationsnetzes durch die Übermittlung der Verkehrsdaten erreicht wird. The method according to the invention thus provides that the through the data contained in the sensors is not immediately sent to the control center be forwarded if this data is relevant for a Traffic situation, but first in the Central existing and already in the form of traffic reports communicated knowledge is checked. Only if the Vehicle internally formed data compared to the stored Traffic reports contain new information, that will Send out to the control center with the telematics device. It is naturally appropriate that the traffic reports be transmitted on a separate channel and therefore immediately and automatically received by the receiver in the motor vehicle and can be saved. The often redundant transmission of data to the headquarters by the numerous road users can therefore be avoided according to the invention, so that a minimal burden on the communication network by the Transmission of traffic data is achieved.
Die Angabe über den Ort des gemeldeten Verkehrsgeschehens kann daher nicht nur eine punktuelle Ortsangabe sondern auch Ausmaßangaben in Form von Flächen oder Streckenabschnitten umfassen.The information about the location of the reported traffic situation can therefore not only a specific location, but also dimensions in the form of areas or sections.
Für die Durchführung des erfindungsgemäßen Verfahrens ist es außerordentlich vorteilhaft, wenn Verkehrsmeldungen in einem standardisierten Kode ausgestrahlt und abgespeichert werden. In diesem Fall können die von den Sensoren gelieferten Daten den zugehörigen Teilen der kodierten Verkehrsmeldung zugeordnet und die aktuelle Position des Kraftfahrzeugs mit der in der Verkehrsmeldung angegebenen Lokalisierung verglichen werden. Auf diese Weise ist es möglich, ohne großen Aufwand festzustellen, ob die aktuellen, zur Übertragung an die Zentrale vorgesehenen Verkehrsdaten bereits in einer abgespeicherten Verkehrsmeldung enthalten sind.It is for carrying out the method according to the invention extremely advantageous when traffic reports in one standardized code can be broadcast and saved. In this case, the data supplied by the sensors assigned to the associated parts of the coded traffic announcement and the current position of the motor vehicle with the in the location specified in the traffic report. In this way it is possible to determine with little effort whether the current one, for transmission to the headquarters provided traffic data already stored in a Traffic announcements are included.
Um den Speicher im Empfänger für die Verkehrsmeldungen im Kraftfahrzeug nicht zu groß machen zu müssen, kann es sinnvoll sein, für die Abspeicherung im Empfänger eine Selektion der Verkehrsmeldung im Hinblick auf den betroffenen Ort und die aktuelle Position des Kraftfahrzeugs vorzunehmen. Bewegt sich beispielsweise ein Kraftfahrzeug gerade in Kassel, wird nicht zu erwarten sein, daß dieses Kraftfahrzeug zur Aktualisierung einer Verkehrsmeldung in Karlsruhe beitragen kann. Es ist daher nicht erforderlich, eine Verkehrsmeldung abzuspeichern, die ein fernab von der aktuellen Position des Kraftfahrzeugs liegendes Gebiet betrifft.To the memory in the receiver for the traffic reports in the Not having to make the motor vehicle too big can make sense be a selection of the for storage in the recipient Traffic announcement with regard to the affected place and the make current position of the motor vehicle. Is moving for example, a motor vehicle just in Kassel, will not be expected to upgrade this motor vehicle can contribute to a traffic announcement in Karlsruhe. It is therefore no need to save a traffic announcement, the one far from the current position of the motor vehicle lying area concerns.
Zur Lösung des oben erwähnten Problems ist erfindungsgemäß ferner ein Telematikgerät der eingangs erwähnten Art gekennzeichnet durch einen Speicher zum Abspeichern von empfangenen kodierten Verkehrsmeldungen mit Lokalisationskodes, eine Vergleichseinrichtung zum Vergleich der aktuellen Position mit Lokalisationskodes der abgespeicherten Verkehrsmeldungen, einer Korrelationseinrichtung zur Korrelierung der durch die Sensoren gewonnenen Daten mit den Inhalten der abgespeicherten Verkehrsmeldungen und eine Steuerung der Sendeeinrichtung zur Aussendung nur solcher Daten, die durch die Korrelationseinrichtung nicht bereits explizit oder implizit als Bestandteil oder Änderung der abgespeicherten Verkehrsmeldungen erkannt sind.To solve the above-mentioned problem is according to the invention further characterized a telematics device of the type mentioned by a memory for storing received ones coded traffic reports with localization codes, a comparison device to compare the current position with Location codes of the stored traffic reports, a correlation device for correlating the Sensors obtained data with the contents of the stored Traffic announcements and a control of the transmitter for Sending only such data by the correlation device not already explicitly or implicitly as a component or change in the stored traffic reports detected are.
Der Vergleich der aktuellen Position mit einem Lokalisationskode kann durch einen Umrechnungsalgorithmus ermöglicht werden. Vorzugsweise ist jedoch ein Speicher mit einer Lokalisationstabelle zur Zuordnung der von der Navigationseinrichtung ermittelten Position zu einem Lokalisationskode vorgesehen.The comparison of the current position with a localization code can be made possible by a conversion algorithm. However, a memory with a localization table is preferred for the assignment of the navigation device determined position to a localization code provided.
Die Erfindung soll im folgenden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert werden.The invention is based on one in the drawing illustrated embodiment are explained in more detail.
Das dargestellte Gerät empfängt über eine Antenne 1 und einen
Verkehrsfunkempfänger 2 Verkehrsnachrichten, die vorzugsweise
über einen Verkehrsfunkkanal der Rundfunkanstalten oder einen
hierfür zur Verfügung stehenden Mobilfunkkanal eines Mobilfunk-Serviceproviders
ausgestrahlt werden. Die Verkehrsmeldung
enthält vorzugsweise eine beispielsweise nach dem ALERT C-Protokoll
kodierte Angabe über die Art der Meldung und einen
Lokalisationskode. Eine zentrale Verarbeitungseinheit 3 des
Geräts sorgt für die Ablage der Verkehrsmeldung in einem Speicher
4, der somit alle aktuellen Verkehrsmeldungen, zumindest
soweit sie für die aktuelle Position des Kraftfahrzeugs relevant
werden können, enthält.The device shown receives via an
Zur Bestimmung der aktuellen Position des Kraftfahrzeugs dient
ein GPS-Empfänger 5, mit dem eine Positionsermittlung aus Satellitensignalen
möglich ist. Gegebenenfalls kann die Positionsbestimmung
mit Hilfe von Signalen bestimmter Sensoren des
Kraftfahrzeugs, wie beispielsweise ABS-Sensoren oder Lenkbewegungssensoren,
verfeinert werden.Used to determine the current position of the motor vehicle
a
An die zentrale Verarbeitungseinheit 3 ist ferner ein Anschlußmodul
6 angeschlossen, das Ausgangssignale einer Reihe
von Sensoren 7 sowie Signale eines Kraftfahrzeugbus 7' aufnimmt.
Die zentrale Verarbeitungseinheit 3 verarbeitet die von
dem Anschlußmodul 6 gelieferten Signale zu verkehrsrelevaten
Daten und ordnet diese den zugehörigen Teilen der kodierten
Verkehrsmeldung zu. Gleichzeitig findet eine Zuordnung der
durch den GPS-Empfänger 5 generierten Position zu den aufgenommenen
Daten statt, wobei die geografischen Daten einem Lokationskode
zugeordnet werden, der sich aus einer Lokationstabelle
8 ergibt.A connection module is also connected to the
In der zentralen Verarbeitungseinheit wird dann eine Korrelation
der generierten und mit dem Lokalisationskode versehenen
Daten zu unter dem gleichen Lokalisationskode abgespeicherten
aktuellen Verkehrsmeldungen vorgenommen. Entsprechen die Daten
einer vorliegenden Verkehrsmeldung, wird nichts weiteres veranlaßt.
Gehören die über die Sensoren 7 generierten Daten jedoch
zu einem noch nicht gemeldeten Verkehrsereignis oder ändern
sie eine abgespeicherte Verkehrsmeldung, beispielsweise
indem die Auflösung eines gemeldeten Staus festgestellt worden
ist, wird eine entsprechende Meldung generiert und über einen
GSM-Sendeteil 9 und eine GSM-Antenne 10 zu einem eine Zentrale
bildenden Serviceprovider abgestrahlt.A correlation is then established in the central processing unit
the generated and with the localization code
Data on saved under the same localization code
current traffic reports. Correspond to the data
an existing traffic announcement, nothing further is caused.
However, the data generated via the
Insbesondere zur Erkennung der Auflösung eines Verkehrsstaus
ist es zweckmäßig, die im Speicher 4 abgespeicherten aktuellen
Verkehrshinweise bezüglich ihres Lokalisationskodes zu überwachen
und eine Annäherung des Kraftfahrzeugs an die zu dem
Lokalisationskode gehörenden geografischen Daten mit Hilfe des
GPS-Empfängers 5 festzustellen. Liegt die der Verkehrsmeldung
zugrundeliegende Situation nicht mehr vor, wird eine entsprechende
Korrekturmeldung über die GSM-Antenne abgestrahlt.In particular to detect the resolution of a traffic jam
it is expedient to save the current ones stored in the
Die in dem Speicher abgespeicherten Verkehrsmeldungen können
im Rahmen der vorliegenden Erfindung im weitesten Sinne verstanden
werden, also insbesondere verkehrsrelevante Umweltdaten
beinhalten, z.B. Nebel-, Niederschlags-, Temperaturwarnmeldungen
o.ä.. Demgemäß kommen als Sensoren 7 zur Erstellung
von verkehrsrelevanten Daten auch bisher nicht in Betracht
gezogene Informationsgeber in Frage, so z.B. die Betätigung
eines Lichtschalters während der Tageszeit als Indikator für
Nebel oder Niederschläge, ein Schlupfsensor einer ABS-Steuerung
als Indikator für Straßenglätte durch Eis, Schnee oder
Nässe usw.The traffic reports stored in the memory can
understood in the broadest sense within the scope of the present invention
are, in particular traffic-relevant environmental data
include, e.g. Fog, precipitation, temperature warning messages
or the like. Accordingly,
Selbstverständlich ermöglicht es die Erfindung ferner, auch aus anderen Quellen stammende Verkehrsmeldungen zu verarbeiten, um beispielsweise die Daten der kraftfahrzeugeigenen Sensoren zu interpretieren.Of course, the invention also makes it possible process traffic reports from other sources, for example the data from the motor vehicle sensors to interpret.
Claims (6)
- Method for gathering and emitting data relevant to traffic which has been gathered by sensors (7) on board a motor vehicle, together with a positional indication, to a central station, where the data are evaluated and used for creating traffic messages, characterized in that traffic messages are received by a receiver (2) in the motor vehicle and stored according to type and location and in that, before data are emitted to the central station, a comparison of the data with the content of the stored traffic messages is performed, taking into account the current position, and only data which are not contained in the stored data or contain a change with respect to the stored data are emitted to the central station.
- Method according to Claim 1, characterized in that traffic messages are emitted and stored in a standardized code, in that the data supplied by the sensors (7) are assigned to the associated parts of the coded traffic message and the current position of the motor vehicle is compared with the locational determination specified in the traffic message.
- Method according to Claim 1 or 2, characterized in that the emission of traffic messages takes place in a transmission network fed by the central station.
- Method according to one of Claims 1 to 3, characterized in that, for the storage, a selection of the received traffic messages is performed with regard to the relevant location and the current position of the motor vehicle.
- Telematic unit for a motor vehicle with inputs for the connection of sensors (7), an input for received coded traffic messages with locating codes, an input for signals of a locating device (5) and a transmitting device (9, 10) for emitting data formed from the sensor signals to a central station, characterized by a memory (4) for storing received coded traffic messages, a comparison device (in 3) for comparing the current position with locating codes of the stored traffic messages, a correlation device (in 3) for correlating the data with the contents of the stored traffic messages and a controller (in 3) of the transmitting device (9, 10) for emitting only those data which have not already been explicitly or implicitly detected by the correlation device as a component part or change of the stored traffic messages.
- Telematic unit according to Claim 5, characterized by a memory (8) with a locating table for the assignment of the position ascertained by the locating device (5) to a locating code.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19730794 | 1997-07-18 | ||
| DE19730794A DE19730794A1 (en) | 1997-07-18 | 1997-07-18 | Method and telematics device for creating and sending traffic-relevant data |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0892379A2 EP0892379A2 (en) | 1999-01-20 |
| EP0892379A3 EP0892379A3 (en) | 2000-01-12 |
| EP0892379B1 true EP0892379B1 (en) | 2003-08-27 |
Family
ID=7836084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98111702A Expired - Lifetime EP0892379B1 (en) | 1997-07-18 | 1998-06-25 | Method and telematic equipment for gathering and broadcasting relevant traffic information |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0892379B1 (en) |
| JP (1) | JP4778129B2 (en) |
| DE (2) | DE19730794A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027523B (en) * | 2008-05-15 | 2016-08-03 | 佳明瑞士有限责任公司 | Virtual traffic sensors |
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|---|---|---|---|---|
| DE10024816A1 (en) | 1999-07-16 | 2001-03-15 | Bayerische Motoren Werke Ag | Device in vehicles for making a telephone communication transmits a TV picture taken by a camera and supplemented by information from a navigation system translating it with an image processor into relevant traffic information. |
| DE60028088T2 (en) * | 1999-12-15 | 2006-12-21 | Vert, Inc., Boston | SYSTEM AND METHOD FOR MANAGING ADVERTISING AND INFORMATION DISPLAYS BASED ON AN E-COMMERCE WEBSITE ON VEHICLES |
| WO2001048725A1 (en) * | 1999-12-23 | 2001-07-05 | Gedas Telematics Gmbh | Method for determining traffic information, control centre and terminal |
| JP4064044B2 (en) * | 2000-08-29 | 2008-03-19 | 三菱電機株式会社 | Traffic information transmission system, traffic information collection and distribution system, and traffic information collection and distribution method |
| DE10055287B4 (en) * | 2000-11-08 | 2005-09-29 | Mobiworx Telematik Gmbh | Method and device for detecting and processing status data recorded on board a road service or agricultural vehicle |
| JP4737853B2 (en) * | 2001-03-21 | 2011-08-03 | 株式会社東芝 | Information system, center side information processing system and in-vehicle system |
| JP2002352383A (en) * | 2001-05-23 | 2002-12-06 | Matsushita Electric Ind Co Ltd | Traffic information providing system |
| DE10126618B4 (en) * | 2001-05-31 | 2007-03-08 | Siemens Ag | Method for exchanging status information via direct radio links between subscriber terminals |
| DE10246184A1 (en) * | 2002-10-02 | 2004-09-30 | Bayerische Motoren Werke Ag | Process for improving the quality of traffic incident reporting processes |
| DE10252768B4 (en) * | 2002-11-13 | 2008-02-28 | Daimler Ag | Method for creating and sending traffic-relevant data |
| DE10261172B4 (en) * | 2002-12-20 | 2005-05-25 | Daimlerchrysler Ag | Method and system for central-based, time-anticipated fault detection by Störflanken detection by means of section-related travel time estimation |
| US7353897B2 (en) | 2003-07-23 | 2008-04-08 | Fernandez Dennis S | Telematic method and apparatus with integrated power source |
| ES2294374T3 (en) * | 2003-12-19 | 2008-04-01 | Bayerische Motoren Werke Aktiengesellschaft | RECOGNITION OF CROSSING AREAS DURING RECOGNITION THE STATE OF ROADED TRAFFIC. |
| WO2005064564A1 (en) * | 2003-12-19 | 2005-07-14 | Bayerische Motoren Werke Aktiengesellschaft | Determination of anticipated speed |
| DE102006007780B4 (en) * | 2006-02-20 | 2012-07-26 | Future-Shape Gmbh | Surface trim arrangement and method for locating moving objects and / or persons on a surface by means of a surface covering arrangement |
| DE102006053484A1 (en) | 2006-11-14 | 2008-05-15 | Robert Bosch Gmbh | Data e.g. traffic-relevant sensor data, recording method for road network, involves installing communication unit for communication with mobile network, and providing information about cell group, where unit stands in contact with group |
| CN101847317B (en) * | 2009-03-26 | 2012-07-04 | 上海航盛实业有限公司 | Safety monitoring system for transport vehicle |
| DE102011009601A1 (en) * | 2011-01-27 | 2012-08-02 | Continental Automotive Gmbh | System for updating traffic report during traffic jam of vehicle, has computer that is adapted to receive and store notice of departure and report status so as to alter traffic news based on received requests from vehicle |
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|---|---|---|---|---|
| DE3936577A1 (en) * | 1989-11-03 | 1991-05-08 | Bosch Gmbh Robert | BROADCAST RECEIVER, ESPECIALLY VEHICLE RECEIVER |
| DE4105584C1 (en) * | 1991-02-22 | 1992-02-20 | Audi Ag, 8070 Ingolstadt, De | Traffic information system using mobile telephones - provides two=way communication between subscribers and central via organisation channel(s) |
| DE4241408C2 (en) * | 1992-12-09 | 2001-10-18 | Joerg Scholz | Method and device for controlling traffic volume |
| DE4321437A1 (en) * | 1993-06-28 | 1994-02-17 | Kraiss Karl Friedrich Prof Dr | Traffic regulation using radio link to vehicle - installing central traffic controller with facility to enter specific data followed by exchange of modified information |
| DE19513640C2 (en) * | 1994-11-28 | 1997-08-07 | Mannesmann Ag | Method for reducing the amount of data to be transmitted from the vehicles of a vehicle fleet |
| DE19604083B4 (en) * | 1995-03-23 | 2006-06-29 | T-Mobile Deutschland Gmbh | Method for the parameterization of vehicle routes in vehicle control and / or information systems |
-
1997
- 1997-07-18 DE DE19730794A patent/DE19730794A1/en not_active Withdrawn
-
1998
- 1998-06-25 EP EP98111702A patent/EP0892379B1/en not_active Expired - Lifetime
- 1998-06-25 DE DE59809388T patent/DE59809388D1/en not_active Expired - Lifetime
- 1998-07-16 JP JP20187098A patent/JP4778129B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027523B (en) * | 2008-05-15 | 2016-08-03 | 佳明瑞士有限责任公司 | Virtual traffic sensors |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0892379A3 (en) | 2000-01-12 |
| DE19730794A1 (en) | 1999-01-21 |
| JP4778129B2 (en) | 2011-09-21 |
| JPH1173594A (en) | 1999-03-16 |
| DE59809388D1 (en) | 2003-10-02 |
| EP0892379A2 (en) | 1999-01-20 |
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