EP2249325A1 - Motor vehicle with a control device and a receiver and method for controlling different functions of a motor vehicle - Google Patents
Motor vehicle with a control device and a receiver and method for controlling different functions of a motor vehicle Download PDFInfo
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- EP2249325A1 EP2249325A1 EP10003117A EP10003117A EP2249325A1 EP 2249325 A1 EP2249325 A1 EP 2249325A1 EP 10003117 A EP10003117 A EP 10003117A EP 10003117 A EP10003117 A EP 10003117A EP 2249325 A1 EP2249325 A1 EP 2249325A1
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- motor vehicle
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- motor
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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
Definitions
- the invention relates to a motor vehicle with a control unit for controlling various functions of the motor vehicle and with a receiving device for receiving external data and a sensor for detecting data from an immediate vehicle environment, which are considered in a control of a function by the control unit and a Method of a motor vehicle.
- Motor vehicles are equipped with a control unit with which usually all functions of the motor vehicle can be monitored and controlled or regulated.
- the various components of the motor vehicle are connected to one another or to the control unit via data bus lines.
- an anti-lock braking system and an engine electronics can be controlled by the control unit.
- motor vehicles are equipped with various driver assistance systems, such as, inter alia, a GPS system and / or a brake assist system to increase traffic safety.
- driver assistance systems such as, inter alia, a GPS system and / or a brake assist system to increase traffic safety.
- sensors for example, a distance to a leading road user recorded and, if necessary, a necessary safety distance be compulsorily respected.
- the disclosure DE 101 24 236 A1 a motor vehicle control system that receives a vehicle position signal and an external weather signal, wherein the weather signal influences the determination of the decisive for the function or the operation of the motor vehicle control system size.
- a driving behavior of the motor vehicle can be adapted to the external weather conditions.
- the known motor vehicles with a receiving device for receiving external data are disadvantageous in that although the data can be received by a local weather station, there is always a generalization, so that special weather conditions that prevail locally can not be taken into account.
- the object is achieved in that data which have an influence on a driving behavior of the motor vehicle can be transmitted to other motor vehicles with a transmitting device or in that data having an influence on a driving behavior of the motor vehicle to other motor vehicles with a transmitting device be transmitted.
- Such a trained motor vehicle is equipped in particular with a per se known transmitting / receiving device with which a wireless communication between multiple vehicles is possible (English: "vehicle to vehicle communication").
- a data exchange which usually takes place according to standardized protocols, can take place, for example, via radio waves or infrared rays between a plurality of identically equipped motor vehicles.
- different data about the environmental conditions such as temperature, air pressure and the like, can be detected by each motor vehicle and made available to the other motor vehicles within the transmission / reception range, but the motor vehicle detecting the data via the transmission device and sensors is not mandatory the receiving device and the motor vehicle receiving the data has at least the receiving device but not necessarily the transmitting device and sensors.
- a data-providing motor vehicle can thus provide differently equipped motor vehicles with recorded data. Subsequently, the received data are taken into account by a control unit in the regulation or calibration of various systems or functions in the motor vehicle. This is preferably done as described below. For this purpose, the controller is so hard and / or software modified with little effort that different sensor data can be received, processed and transmitted via a transmitting device to other motor vehicles.
- the advantage of the invention is that by the immediate at least unidirectional data exchange between motor vehicles in a territory always current and relevant to the particular area information, such as about the ambient temperature or a visibility, spread, the no generalization for a general weather forecast for a subject to a larger area.
- a driving safety system it is possible to respond more quickly and more accurately, for example to a locally developing fog bank, by the motor vehicle itself, in order, among other things, to activate a driving safety system.
- a motor vehicle which is equipped only with a conventional receiving device without its own transmitting device, receives the local data of other road users and the various functions are influenced by the control unit.
- a brake assist system can be controlled correspondingly reduced friction coefficients to the ground.
- a car light or driving light function of the motor vehicle is regulated according to the data and information received from other motor vehicles. For example, in the case of high ambient brightness, a different setting of the car lighting function may be necessary in order to turn on the light automatically when passing through tunnels. On the other hand, if there is heavy cloud cover, a passing or dipped beam light can be permanently activated. In this case, the light conditions can be detected by known brightness sensors and the corresponding data and information can be transmitted via the transceiver to other motor vehicles. Of course also taken into account in the motor vehicle itself the values detected by sensors from its own control unit.
- a brake assist system can be influenced. As the humidity increases, the brake assist system becomes e.g. controlled so that no excessive delays may occur with subsequent breaking or spinning of the motor vehicle.
- an accident avoidance system can be controlled which monitors distances to obstacles or other driving users ahead by means of radar or ultrasonic sensors and, for example, performs an automatic belt tightening if it falls below a safety distance and possibly triggers a braking operation. If increased humidity levels are measured or received by other vehicles, the control unit may change a response time of the system, e.g. in time to trigger a braking despite prolonged braking distance.
- Data on visibility conditions between the different motor vehicles are preferably exchanged in order, for example, to be prepared in good time for driving through a fog bank or a bad weather front with reduced visibility conditions, wherein the presence of a fog bank with temperature and humidity sensors and / or a visibility detection can be established.
- temperature data can be exchanged in order to be warned for example in a sink on a drop in ambient temperature below zero degrees Celsius with a possible smoothness.
- a coefficient of friction of a road surface can be detected, for example, via the slip behavior of a driven wheel in order to detect smoothness through ice or damp leaves and to transmit corresponding information to other motor vehicles. If such reduced friction values are received by a motor vehicle and determined by means of a navigation system also present in the motor vehicle that the region with reduced coefficient of friction is to be traversed, all essential safety functions are recalibrated accordingly by the control unit of this receiving motor vehicle in order to avoid a possible traffic-endangering situation. For example, a speed can be automatically reduced and / or a driver assistance system can be set to the reduced friction values.
- an automatic traffic sign recognition can take place with optical sensors.
- the motor vehicle is equipped with an image acquisition device, such as an LCD camera, and has an image processing system to automatically recognize, for example, a danger sign, which indicates increased risk of smoothness, and to transmit this information automatically to other motor vehicles.
- additional data of a local weather station and / or a local radio station can be received, which are taken into account in the control and regulation of various functions of the motor vehicle by the control unit. These are usually general Temperature values that may differ from the locally received data. In such a case, the local data received from other vehicles will be given priority due to their greater reliability.
- a corresponding warning message optically and / or acoustically be issued to alert the driver of the motor vehicle on this circumstance.
- an acoustic warning message can be issued or a warning lamp lights up.
- the motor vehicle 1 is equipped with a central control unit 2 for controlling all essential functions.
- a driver assistance system 3 such as an ESP system or the like, can be controlled by the control unit 2.
- the various components of the motor vehicle 1 via connection lines 4 in connection.
- the motor vehicle 1 is equipped with a transmitting / receiving device 5 for a vehicle-to-vehicle communication in order to be able to exchange data wirelessly between a plurality of similarly equipped motor vehicles 1.
- a sensor 6 for example, weather data, such as visibility, temperature or the like, detected and transmitted via the transmitting / receiving device 5, the corresponding information to other motor vehicles 1.
- Another motor vehicle 1 receives this data and its control unit 2 takes this data into account, for example, in the regulation of a driver assistance system 3.
- the motor vehicle 1 receiving the data does not necessarily have to be equipped with its own transmitting device and corresponding sensors; it only receives data and takes it into account ,
- the driver assistance system 3 z. B. are set or calibrated so that a possible slipping or breaking on smooth surfaces is avoided as possible.
- a car light function can be adapted to the prevailing lighting conditions in the environment.
Abstract
Description
Die Erfindung bezieht sich auf ein Kraftfahrzeug mit einem Steuergerät zur Steuerung verschiedener Funktionen des Kraftfahrzeugs und mit einer Empfangseinrichtung zum Empfangen externer Daten sowie einem Sensor zur Erfassung von Daten aus einer unmittelbaren Fahrzeugumgebung, die bei einer Steuerung einer Funktion durch das Steuergerät berücksichtigbar sind und auf ein Verfahren eines Kraftfahrzeugs.The invention relates to a motor vehicle with a control unit for controlling various functions of the motor vehicle and with a receiving device for receiving external data and a sensor for detecting data from an immediate vehicle environment, which are considered in a control of a function by the control unit and a Method of a motor vehicle.
Kraftfahrzeuge sind mit einem Steuergerät ausgestattet, mit dem üblicherweise alle Funktionen des Kraftfahrzeugs überwacht und gesteuert bzw. geregelt werden können. Hierzu stehen die verschiedenen Komponenten des Kraftfahrzeugs miteinander bzw. mit dem Steuergerät über Datenbus-Leitungen in Verbindung. Beispielsweise kann ein Antiblockiersystem sowie eine Motorelektronik vom Steuergerät gesteuert werden.Motor vehicles are equipped with a control unit with which usually all functions of the motor vehicle can be monitored and controlled or regulated. For this purpose, the various components of the motor vehicle are connected to one another or to the control unit via data bus lines. For example, an anti-lock braking system and an engine electronics can be controlled by the control unit.
Weiterhin sind Kraftfahrzeuge mit verschiedenen Fahrassistenzsystemen, wie unter anderem einem GPS-System und/oder einem Bremsassistenzsystem, zur Erhöhung der Verkehrssicherheit ausgestattet. Dabei kann mit Sensoren beispielsweise ein Abstand zu einem vorausfahrenden Verkehrsteilnehmer erfasst und gegebenenfalls ein notwendiger Sicherheitsabstand zwangsweise eingehalten werden.Furthermore, motor vehicles are equipped with various driver assistance systems, such as, inter alia, a GPS system and / or a brake assist system to increase traffic safety. In this case, with sensors, for example, a distance to a leading road user recorded and, if necessary, a necessary safety distance be compulsorily respected.
Aus der
Weiterhin offenbart die
Die bekannten Kraftfahrzeugen mit einer Empfangseinrichtung zum Empfangen externer Daten sind insofern nachteilig, als die Daten zwar von einer lokalen Wetterstation empfangen werden können, jedoch stets eine Verallgemeinerung vorliegt, so dass spezielle Wetterbedingungen, die vor Ort herrschen, nicht berücksichtigt werden können.The known motor vehicles with a receiving device for receiving external data are disadvantageous in that although the data can be received by a local weather station, there is always a generalization, so that special weather conditions that prevail locally can not be taken into account.
Es ist Aufgabe der Erfindung, ein Kraftfahrzeug der eingangs genannten Art zu schaffen, bei dem lokale Einflüsse unmittelbar bei der Steuerung verschiedener Funktionen berücksichtigbar sind. Ebenso soll ein Verfahren zur Steuerung verschiedener Funktionen des Kraftfahrzeugs angegeben werden.It is an object of the invention to provide a motor vehicle of the type mentioned, in which local influences directly in the control of various functions are considered. Likewise, a method for controlling various functions of the motor vehicle is to be specified.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass Daten, die einen Einfluss auf ein Fahrverhalten des Kraftfahrzeugs haben, mit einer Sendeeinrichtung an andere Kraftfahrzeuge übertragbar sind beziehungsweise dadurch, dass Daten, die einen Einfluss auf ein Fahrverhalten des Kraftfahrzeugs haben, an andere Kraftfahrzeuge mit einer Sendeeinrichtung übertragen werden.According to the invention, the object is achieved in that data which have an influence on a driving behavior of the motor vehicle can be transmitted to other motor vehicles with a transmitting device or in that data having an influence on a driving behavior of the motor vehicle to other motor vehicles with a transmitting device be transmitted.
Ein derart ausgebildetes Kraftfahrzeug ist insbesondere mit einer an sich bekannten Sende-/Empfangseinrichtung ausgestattet, mit der eine drahtlose Kommunikation zwischen mehreren Kraftfahrzeugen möglich ist (engl.: "vehicle to vehicle communication"). Ein Datenaustausch, der üblicherweise nach standardisierten Protokollen erfolgt, kann beispielsweise über Funkwellen oder Infrarotstrahlen zwischen mehreren gleichartig ausgestatteten Kraftfahrzeugen erfolgen. Dabei können von jedem Kraftfahrzeug verschiedene Daten über die Umgebungsverhältnisse, wie unter anderem Temperatur, Luftdruck und dergleichen, erfasst und den anderen Kraftfahrzeugen innerhalb des Sende-/Empfangsbereichs zur Verfügung gestellt werden, wobei das die Daten erfassende Kraftfahrzeug über die Sendeeinrichtung und Sensoren aber nicht zwingend die Empfangseinrichtung und das die Daten empfangende Kraftfahrzeug zumindest über die Empfangseinrichtung aber nicht unbedingt über die Sendeeinrichtung und Sensoren verfügt. Ein Daten bereitstellendes Kraftfahrzeug kann demnach andersartig ausgestattete Kraftfahrzeuge mit erfassten Daten versorgen. Nachfolgend werden die empfangenen Daten von einem Steuergerät bei der Regelung bzw. Kalibrierung verschiedener Systeme oder Funktionen im Kraftfahrzeug berücksichtigt. Dies erfolgt bevorzugt wie im Folgenden beschrieben. Hierzu ist das Steuergerät mit geringem Aufwand derart hard- und/oder softwaremäßig modifiziert, dass verschiedene Sensordaten empfangen, verarbeitet und über eine Sendeeinrichtung an weitere Kraftfahrzeuge übertragen werden können.Such a trained motor vehicle is equipped in particular with a per se known transmitting / receiving device with which a wireless communication between multiple vehicles is possible (English: "vehicle to vehicle communication"). A data exchange, which usually takes place according to standardized protocols, can take place, for example, via radio waves or infrared rays between a plurality of identically equipped motor vehicles. In this case, different data about the environmental conditions, such as temperature, air pressure and the like, can be detected by each motor vehicle and made available to the other motor vehicles within the transmission / reception range, but the motor vehicle detecting the data via the transmission device and sensors is not mandatory the receiving device and the motor vehicle receiving the data has at least the receiving device but not necessarily the transmitting device and sensors. A data-providing motor vehicle can thus provide differently equipped motor vehicles with recorded data. Subsequently, the received data are taken into account by a control unit in the regulation or calibration of various systems or functions in the motor vehicle. This is preferably done as described below. For this purpose, the controller is so hard and / or software modified with little effort that different sensor data can be received, processed and transmitted via a transmitting device to other motor vehicles.
Der Vorteil der Erfindung besteht darin, dass durch den unmittelbaren zumindest unidirektionalen Datenaustausch zwischen Kraftfahrzeugen in einem Gebiet stets aktuelle und für das jeweilige Gebiet relevante Informationen, wie beispielsweise über die Umgebungstemperatur oder eine Sichtweite, verbreitet werden, die keiner Verallgemeinerung für eine generelle Wettervorhersage für ein größeres Gebiet unterliegen. Somit kann schneller und zutreffender, beispielsweise auf eine lokal entstehende Nebelbank, vom Kraftfahrzeug selbst reagiert werden, um unter anderem ein Fahrsicherheitssystem zu aktivieren. Prinzipiell ist es dabei auch möglich, dass ein Kraftfahrzeug, das nur mit einer herkömmlichen Empfangseinrichtung ohne eigene Sendeeinrichtung ausgestattet ist, die lokalen Daten anderer Verkehrsteilnehmer empfängt und über dessen Steuergerät die verschiedenen Funktionen beeinflusst werden. Beispielsweise kann ein Bremsassistenzsystem entsprechend verringerter Reibwerte zum Untergrund angesteuert werden.The advantage of the invention is that by the immediate at least unidirectional data exchange between motor vehicles in a territory always current and relevant to the particular area information, such as about the ambient temperature or a visibility, spread, the no generalization for a general weather forecast for a subject to a larger area. Thus, it is possible to respond more quickly and more accurately, for example to a locally developing fog bank, by the motor vehicle itself, in order, among other things, to activate a driving safety system. In principle, it is also possible that a motor vehicle, which is equipped only with a conventional receiving device without its own transmitting device, receives the local data of other road users and the various functions are influenced by the control unit. For example, a brake assist system can be controlled correspondingly reduced friction coefficients to the ground.
In einer ersten Ausgestaltung wird eine Autolicht- oder Fahrlichtfunktion des Kraftfahrzeugs entsprechend der von anderen Kraftfahrzeugen empfangenen Daten und Informationen geregelt. Beispielsweise kann bei großer Umgebungshelligkeit eine andere Einstellung der Autolichtfunktion notwendig sein, um bei Durchfahrten von Tunneln das Licht selbsttätig einzuschalten. Herrscht hingegen eine starke Bewölkung, so kann ein Fahr- oder Abblendlicht dauerhaft aktiviert werden. Dabei können die Lichtverhältnisse mit an sich bekannten Helligkeitssensoren erfasst und die entsprechenden Daten und Informationen über die Sende-/Empfangseinrichtung an weitere Kraftfahrzeuge übermittelt werden. Selbstverständlich werden auch im Kraftfahrzeug selbst die von Sensoren erfassten Werte vom eigenen Steuergerät mit berücksichtigt.In a first embodiment, a car light or driving light function of the motor vehicle is regulated according to the data and information received from other motor vehicles. For example, in the case of high ambient brightness, a different setting of the car lighting function may be necessary in order to turn on the light automatically when passing through tunnels. On the other hand, if there is heavy cloud cover, a passing or dipped beam light can be permanently activated. In this case, the light conditions can be detected by known brightness sensors and the corresponding data and information can be transmitted via the transceiver to other motor vehicles. Of course also taken into account in the motor vehicle itself the values detected by sensors from its own control unit.
In gleicher Weise kann ein Bremsassistenzsystem beeinflusst werden. Bei zunehmender Feuchtigkeit wird das Bremsassistenzsystem z.B. derart gesteuert, dass keine zu starken Verzögerungen mit nachfolgendem Ausbrechen oder Schleudern des Kraftfahrzeugs auftreten können.In the same way, a brake assist system can be influenced. As the humidity increases, the brake assist system becomes e.g. controlled so that no excessive delays may occur with subsequent breaking or spinning of the motor vehicle.
Ebenso kann ein Unfallvermeidungssystem angesteuert werden, das mittels Radar- oder Ultraschallsensoren Abstände zu Hindernissen oder vorausfahrenden anderen Verkehrsteilnehmern überwacht und bei Unterschreitung eines Sicherheitsabstandes beispielsweise eine selbsttätige Gurtstraffung vornimmt sowie gegebenenfalls einen Bremsvorgang auslöst. Werden erhöhte Feuchtigkeitswerte gemessen oder von anderen Kraftfahrzeugen empfangen kann vom Steuergerät ein Ansprechzeitpunkt des Systems verändert werden, um z.B. rechtzeitig eine Bremsung trotz verlängerten Bremswegs auszulösen.Likewise, an accident avoidance system can be controlled which monitors distances to obstacles or other driving users ahead by means of radar or ultrasonic sensors and, for example, performs an automatic belt tightening if it falls below a safety distance and possibly triggers a braking operation. If increased humidity levels are measured or received by other vehicles, the control unit may change a response time of the system, e.g. in time to trigger a braking despite prolonged braking distance.
Bevorzugt werden Daten über Sichtverhältnisse zwischen den verschiedenen Kraftfahrzeugen ausgetauscht, um beispielsweise rechtzeitig auf das Durchfahren einer Nebelbank oder einer Schlechtwetterfront mit verminderten Sichtverhältnissen vorbereitet zu sein, wobei das Vorhandensein einer Nebelbank mit Temperatur- und Luftfeuchtigkeitssensoren und/oder über eine Sichtweitenerfassung feststellbar ist.Data on visibility conditions between the different motor vehicles are preferably exchanged in order, for example, to be prepared in good time for driving through a fog bank or a bad weather front with reduced visibility conditions, wherein the presence of a fog bank with temperature and humidity sensors and / or a visibility detection can be established.
Des Weiteren können Informationen über Nebel und/oder Niederschläge zwischen den verschiedenen Kraftfahrzeugen ausgetauscht werden, wobei entsprechende Sensoren zur Erfassung von Niederschlag und/oder zur Überprüfung einer Sichtweite in einer Nebelbank in der Kraftfahrzeugtechnik bekannt sind.Furthermore, information about fog and / or rainfall between the various motor vehicles can be exchanged, with corresponding sensors for detecting precipitation and / or for checking a range of visibility in a fog bank in motor vehicle technology are known.
Darüber hinaus können Temperaturdaten ausgetauscht werden, um beispielsweise in einer Senke auf ein Abfallen der Umgebungstemperatur unter Null Grad Celsius mit einer möglichen Glatteisbildung gewarnt zu sein.In addition, temperature data can be exchanged in order to be warned for example in a sink on a drop in ambient temperature below zero degrees Celsius with a possible smoothness.
Des Weiteren kann ein Reibwert einer Straßenoberfläche beispielsweise über das Schlupfverhalten eines angetriebenen Rades erfasst werden, um Glätte durch Eis oder feuchtes Laub zu erfassen und entsprechende Informationen an andere Kraftfahrzeuge zu übermitteln. Werden derartig reduzierte Reibwerte von einem Kraftfahrzeug empfangen und mittels eines im Kraftfahrzeug ebenfalls vorhandenen Navigationssystems festgestellt, dass der Bereich mit verringertem Reibwert durchfahren werden soll, werden vom Steuergerät dieses empfangenden Kraftfahrzeugs alle wesentlichen Sicherheitsfunktionen entsprechend umkalibriert, um eine mögliche verkehrsgefährdende Situation zu vermeiden. Beispielsweise kann selbsttätig eine Geschwindigkeit reduziert und/oder ein Fahrassistenzsystem auf die verminderten Reibwerte eingestellt werden.Furthermore, a coefficient of friction of a road surface can be detected, for example, via the slip behavior of a driven wheel in order to detect smoothness through ice or damp leaves and to transmit corresponding information to other motor vehicles. If such reduced friction values are received by a motor vehicle and determined by means of a navigation system also present in the motor vehicle that the region with reduced coefficient of friction is to be traversed, all essential safety functions are recalibrated accordingly by the control unit of this receiving motor vehicle in order to avoid a possible traffic-endangering situation. For example, a speed can be automatically reduced and / or a driver assistance system can be set to the reduced friction values.
Ferner kann mit optischen Sensoren eine selbsttätige Verkehrsschilderkennung erfolgen. Hierzu ist das Kraftfahrzeug mit einer Bilderfassungsseinrichtung, wie einer LCD-Kamera, ausgestattet und verfügt über ein Bildverarbeitungssystem, um selbsttätig beispielsweise ein Gefahrenschild, das auf erhöhte Glättegefahr hindeutet, zu erkennen und diese Information selbsttätig an andere Kraftfahrzeuge zu übermitteln.Furthermore, an automatic traffic sign recognition can take place with optical sensors. For this purpose, the motor vehicle is equipped with an image acquisition device, such as an LCD camera, and has an image processing system to automatically recognize, for example, a danger sign, which indicates increased risk of smoothness, and to transmit this information automatically to other motor vehicles.
Darüber hinaus können zusätzlich Daten einer lokalen Wetterstation und/oder eines lokalen Radiosenders empfangen werden, die bei der Steuerung und Regelung verschiedener Funktionen des Kraftfahrzeugs vom Steuergerät berücksichtigt werden. Dies sind üblicherweise allgemeine Temperaturwerte, die gegebenenfalls von den lokal empfangenen Daten abweichen können. In einem solchen Fall wird den lokalen, von anderen Kraftfahrzeugen empfangenen Daten aufgrund ihrer größeren Zuverlässigkeit der Vorrang gegeben.In addition, additional data of a local weather station and / or a local radio station can be received, which are taken into account in the control and regulation of various functions of the motor vehicle by the control unit. These are usually general Temperature values that may differ from the locally received data. In such a case, the local data received from other vehicles will be given priority due to their greater reliability.
Schließlich kann nach einer Weiterbildung bei einer potentiell verkehrsgefährdenden Situation, die vom Steuergerät durch die von anderen Kraftfahrzeugen empfangenen und selbst erfassten Daten festgestellt wird, eine entsprechende Warnmitteilung optisch und/oder akustisch ausgegeben werden, um den Fahrer des Kraftfahrzeugs auf diesen Umstand hinzuweisen. Beispielsweise kann eine akustische Warnmitteilung erfolgen oder eine Warnlampe leuchtet auf.Finally, according to a development in a potentially traffic-jeopardizing situation, which is detected by the control unit by the data received from other vehicles and self-acquired data, a corresponding warning message optically and / or acoustically be issued to alert the driver of the motor vehicle on this circumstance. For example, an acoustic warning message can be issued or a warning lamp lights up.
Es versteht sich, dass die vorstehend genannten und nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen verwendbar sind. Der Rahmen der Erfindung ist nur durch die Ansprüche definiert.It goes without saying that the features mentioned above and those yet to be explained below can be used not only in the respectively indicated combination but also in other combinations. The scope of the invention is defined only by the claims.
Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels mit Bezugnahme auf die Zeichnung näher erläutert. Die einzige Figur der Zeichnung zeigt ein erfindungsgemäßes Kraftfahrzeug in schematischer Draufsicht.The invention will be explained below with reference to an embodiment with reference to the drawings. The sole figure of the drawing shows a motor vehicle according to the invention in a schematic plan view.
Das Kraftfahrzeug 1 ist mit einem zentralen Steuergerät 2 zur Steuerung aller wesentlichen Funktionen ausgestattet. Beispielsweise kann ein Fahrassistenzsystem 3, wie ein ESP-System oder dergleichen, vom Steuergerät 2 angesteuert werden. Hierzu stehen die verschiedenen Komponenten des Kraftfahrzeugs 1 über Verbindungsleitungen 4 in Verbindung.The
Weiterhin ist das Kraftfahrzeug 1 mit einer Sende-/Empfangseinrichtung 5 für eine Fahrzeug-zu-Fahrzeug-Kommunikation ausgestattet, um Daten drahtlos zwischen mehreren gleichartig ausgestatteten Kraftfahrzeugen 1 austauschen zu können. Mit einem Sensor 6 können beispielsweise Wetterdaten, wie Sichtweite, Temperatur oder dergleichen, erfasst und über die Sende-/Empfangseinrichtung 5 die entsprechenden Informationen an weitere Kraftfahrzeuge 1 übermittelt werden. Ein weiteres Kraftfahrzeug 1 empfängt diese Daten und dessen Steuergerät 2 berücksichtigt diese Daten beispielsweise bei der Regelung eines Fahrassistenzsystems 3. Dabei muss das die Daten empfangende Kraftfahrzeug 1 nicht notwendigerweise selbst mit einer eigenen Sendeeinrichtung und entsprechenden Sensoren ausgestattet sein, es empfängt lediglich Daten und berücksichtigt diese.Furthermore, the
Bei tiefen Umgebungstemperaturen kann das Fahrassistenzsystem 3 z. B. derart eingestellt oder kalibriert werden, dass ein mögliches Rutschen oder Ausbrechen auf glatten Untergründen möglichst vermieden wird. Ebenso kann eine Autolichtfunktion an die herrschenden Lichtverhältnisse in der Umgebung angepasst werden.At low ambient temperatures, the driver assistance system 3 z. B. are set or calibrated so that a possible slipping or breaking on smooth surfaces is avoided as possible. Likewise, a car light function can be adapted to the prevailing lighting conditions in the environment.
Selbstverständlich kann über eine Bilderfassung ein Verkehrsschild oder eine gefährliche Straßeneinmündung festgestellt und eine entsprechende Information an andere Kraftfahrzeuge 1 übermittelt werden.Of course, can be detected via an image capture a road sign or a dangerous road junction and a corresponding information to
- 1.1.
- Kraftfahrzeugmotor vehicle
- 2.Second
- Steuergerätcontrol unit
- 3.Third
- FahrassistenzsystemDriving Assistance System
- 4.4th
- Verbindungsleitungconnecting line
- 5.5th
- Sende-/EmpfangseinrichtungTransmitting / receiving device
- 6.6th
- Sensorsensor
Claims (12)
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DE102009019075A DE102009019075A1 (en) | 2009-04-27 | 2009-04-27 | Motor vehicle with a control device and a receiving device and method for controlling various functions of a motor vehicle |
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EP2249325B1 EP2249325B1 (en) | 2012-05-16 |
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EP20100003117 Not-in-force EP2249325B1 (en) | 2009-04-27 | 2010-03-24 | Motor vehicle with a control device and a receiver and method for controlling different functions of a motor vehicle |
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DE102016101472A1 (en) | 2016-01-28 | 2017-08-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for determining at least one safety-relevant traffic and / or weather information |
DE102016002768C5 (en) | 2016-03-05 | 2024-05-02 | Audi Ag | Method for operating a communication network comprising several motor vehicles and motor vehicle |
DE102016216602B4 (en) | 2016-09-02 | 2020-02-06 | Audi Ag | Method for assisting a user in operating a motor vehicle and data server device external to the motor vehicle |
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Also Published As
Publication number | Publication date |
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EP2249325B1 (en) | 2012-05-16 |
DE102009019075A1 (en) | 2010-10-28 |
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