EP2195796A1 - Verfahren zur bereitstellung von fahrbetriebsdaten - Google Patents
Verfahren zur bereitstellung von fahrbetriebsdatenInfo
- Publication number
- EP2195796A1 EP2195796A1 EP08801578A EP08801578A EP2195796A1 EP 2195796 A1 EP2195796 A1 EP 2195796A1 EP 08801578 A EP08801578 A EP 08801578A EP 08801578 A EP08801578 A EP 08801578A EP 2195796 A1 EP2195796 A1 EP 2195796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- data
- network
- driving operation
- operation data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 44
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—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 providing driving operation data in a network for the wireless exchange of driving operation data.
- DE 10 2005 017 419 A1 describes a method for transmitting information that is relevant for the operation of vehicles, wherein the information is provided by a transmitting unit of a first vehicle in an environment of the first vehicle in a technically evaluable form and by means of a receiver unit in a second vehicle at least partially recording and / or evaluation of the information takes place when the second vehicle is in the surrounding area of the first vehicle.
- the vehicles thus provide driving operation data to each other using wireless communication means.
- a first motor vehicle can transmit its driving operation data to a stationary infrastructure device, which forwards and / or interprets the travel operating data of the first motor vehicle, if necessary, to a second motor vehicle.
- absolute driving operation data of a motor vehicle is first determined by another motor vehicle and then disseminated by this other motor vehicle in a communication network.
- absolute driving data of a motor vehicle are operationally relevant data of this motor vehicle to understand that relate exclusively to this motor vehicle, so for example, an absolute driving speed of this motor vehicle and / or an absolute position of this motor vehicle.
- relative speeds which are related to the "measuring" motor vehicle are not to be regarded as absolute driving operating data of a motor vehicle "measured” by another motor vehicle.
- the absolute driving operation data is determined by comparing relative driving force data of the "measured" motor vehicle (eg a relative speed between "measured” and “measuring” motor vehicle) related to the "surveying" motor vehicle in connection with known absolute driving operation data of the "surveying" vehicle.
- the absolute driving data of the "surveying" Motor vehicles can be determined, for example, by a tachometer and / or a satellite-based position determination system.
- the "surveying" motor vehicle is connected to the network in terms of communication technology.
- this connection is made by a radio module.
- an environment sensor system of the motor vehicle connected to the network by communication technology is used for the measurement.
- This preferably has at least one radar or lidar sensor or an image processing unit.
- the "measured" motor vehicle is preferably located in the immediate vicinity of the "surveying" motor vehicle, at least within the range of its surroundings sensor system.
- the "measured" motor vehicle preferably drives directly in front of the "surveying" motor vehicle or directly behind the “surveying” motor vehicle.
- the absolute driving operation data are preferably transmitted in the network in such a way that they can be assigned to a specific motor vehicle or at least to a single motor vehicle. This can be achieved, for example, by determining the absolute position of the "measured" motor vehicle and transmitting it in a timely manner, or possibly together with a time specification no other motor vehicle can be in the exact same location at the same time.
- the absolute travel operating data transmitted in the network are evaluated by at least one subscriber of the network, in particular an infrastructure device, with assignment to a specific motor vehicle or at least one individual motor vehicle.
- a model can be made in which the positions and routes of individual motor vehicles are modeled.
- the present invention determines the "measuring" motor vehicle, hereinafter also referred to as the first motor vehicle, further by means of at least one own sensor arranged in the first motor vehicle absolute driving operation data of the first motor vehicle and this absolute driving operation data of the first motor vehicle are transmitted from the first motor vehicle to at least one other participant of the network.
- the first motor vehicle in the network thus not only provides the driving data of the "measured" motor vehicle, also referred to below as the second motor vehicle, but also its own driving operation data.
- the other participant of the network, to which the driving data of the second, and possibly also of the first, motor vehicle are transmitted, may in particular be designed as a third motor vehicle.
- the driving operation data of the second motor vehicle can then be evaluated, for example, by a driver assistance system of the third motor vehicle.
- the driving operation data of the second, and possibly also the first, motor vehicle can also be transmitted to an infrastructure facility.
- Such an infrastructure device preferably transmits the driving operation data of the second motor vehicle and / or a traffic information derived from these travel operating data to at least one third motor vehicle.
- a plurality of infrastructure devices communicating with each other can be provided in a network. An information flow can then lead from the first motor vehicle via several infrastructure facilities to a third motor vehicle.
- the driving operation data of the second motor vehicle will be transmitted by the first motor vehicle only if the second motor vehicle is not connected by communication to the network. Namely, unnecessary communication effort can be avoided if the second motor vehicle anyway provides its driving operation data itself in the network or would at least be able to do so.
- the first motor vehicle may have means for receiving communication data from subscribers of the network and also comprise an evaluation unit for determining whether the second motor vehicle communication data, the content determined by the first motor vehicle concerning the second motor vehicle Driving data correspond even in the network communicates. Consequently, it may be advantageous to transmit the driving operation data of the second motor vehicle only by the first motor vehicle if the evaluation unit determines that the second motor vehicle does not communicate any communication data in the network that corresponds in terms of content to this driving operation data.
- the first motor vehicle also has means for receiving communication data from subscribers of the network, and the first motor vehicle comprises an evaluation unit for determining whether communication data that the first motor vehicle receives by means of an infrastructure Receives device based on data that correspond in content to the driving data determined by the first motor vehicle.
- the driving operation data of the second motor vehicle are advantageously transmitted by the first motor vehicle in the network only if the evaluation unit determines that the communication data is not based on data that corresponds in content to the driving operation data.
- the redundant provision can be avoided even in cases in which driving operation data of the second motor vehicle are not received directly from the first motor vehicle, but are already taken into account in the model of an infrastructure facility.
- Fig. 1 is a flowchart for a preferred embodiment of the invention.
- Fig. 2 shows a traffic situation in which the invention proves to be particularly advantageous.
- radio technologies for example IEEE802.11p
- C2C car-to-car
- C2X infrastructure facilities
- the availability of the driving operation data of individual road users for other road users and / or for an infrastructure device can also be limited by the fact that the communication means used for transmission fail or work incorrectly.
- driving operation data of other road users are made available by a vehicle with a communication device equipped first motor vehicle driving data of at least one second motor vehicle, which is located in the vicinity of the first motor vehicle, detected by its own sensors and this driving operation data of the second motor vehicle by means of
- the network may comprise only the first motor vehicle and a third motor vehicle, to which the first motor vehicle transmits the driving operation data of the second motor vehicle.
- the network may also include at least one infrastructure device and a plurality of other road users.
- the driving operation data of the second motor vehicle are then transmitted from the first motor vehicle to the infrastructure device.
- driving data of many other road users are transmitted to the infrastructure facility by other road users in the present example. This distributes the received driving operation data either automatically or on request in the network and / or makes an interpretation of all received driving data before gaining traffic information and distributes this automatically or on request in the network.
- the collected driving operation data can enter in particular into a traffic flow model.
- the driving operation data of the second motor vehicle is propagated in the network together with driving operation data of the first motor vehicle. There is then no additional communication channel or no additional addressing required.
- An increase in performance can be achieved in that the driving operation data of the second motor vehicle are propagated by the first motor vehicle in the network only if the second motor vehicle does not have a suitable communication device to do this itself, or if a corresponding communication device of the second motor vehicle in the current situation is not ready.
- a performance increase can also be achieved by the fact that the driving operation data of the second motor vehicle are distributed by the first motor vehicle in the network only if these driving operation data in the current situation are expected to be relevant for other participants of the network. This may in particular depend on the position, direction of travel and driving speed of the other participants in the network.
- Fig. 1 illustrates the principle of operation of an example system.
- a motor vehicle - according to the above-mentioned first motor vehicle - is equipped with vehicle sensors and a radio module. By the radio module, the motor vehicle is connected to a communication system.
- Vehicle sensors 11 of the motor vehicle detect own vehicle data of the motor vehicle (eg the own driving speed), which are made available to the communication system 40 via an evaluation unit 12 and a relevance assessment by a relevance evaluation unit 30 via the radio module after an evaluation and interpretation.
- own vehicle data of the motor vehicle eg the own driving speed
- the communication system 40 comprises the own vehicle and all objects within radio range of the own vehicle (eg other vehicles and infrastructure devices), which are equipped with a radio module and also make their data, referred to below as object data, available to the communication system 40 , On the basis of this object data, an environment model can be generated in the own vehicle and / or in at least one of the objects and / or even in each individual object.
- a certain number of environment sensors 21 are also installed on the own vehicle. If an object (for example another vehicle - corresponding to the above-mentioned second motor vehicle) is within the range of the environment sensors 21, measurement data relating to this object (eg a relative speed) of the own vehicle is detected and stored in an evaluation system Interpretation unit 22 evaluated and interpreted. As a result of these method steps, object data of the object (eg driving operation data of the second motor vehicle) can be determined in the case of the own vehicle (eg its absolute speed).
- the object data determined in this way can be compared in a comparison unit 23 of the own vehicle with those object data which the own vehicle itself has received via the radio module from other communication users of the communication system 40. If no object data is received from an object detected in the environment of the own vehicle, it can be concluded from this that this object does not have a functioning radio module. Accordingly, if necessary after a Relevance check, the subject of the object vehicle specific object data from the own vehicle - in a sense representative of the object - the communication system are made available.
- the advantage can be exploited that the vehicle-autonomous sensors and / or algorithms required for the determination of this object data already for the purposes of other driver assistance systems in Vehicle are provided (eg front radar at ACC and rear radar at lane change assistance).
- the additional measurement, calculation and cost is therefore relatively low.
- the object in question has a functioning radio module is determined in the present case via the radio data received from the own vehicle.
- the advantage can be exploited that the object data of the relevant object are transmitted to the one via the communication system 40 and, on the other hand, are detected by the vehicle-autonomous environmental sensors 21 on the own vehicle. For if an object is detected by the vehicle-autonomous sensors 21 of the own vehicle, but no data is received from this object via the communication system 40, then it can be assumed that the object has no or no functional radio module.
- the object data that an object sends are provided with an identification feature, if the object also has an external property that can also be detected by the surroundings sensors 21 of the own vehicle, and if the identification feature and the external property are mutually exclusive are assignable.
- a vehicle can send a code derived from the imprint of its license plate as an identification feature together with its driving operation data. If the own vehicle, which has a camera as environmental sensor 21, now image-based bearing the imprint of the license plate of another vehicle determined and derived from the same code, it may be concluded that this vehicle is equipped with a radio module and its Fahr sunnyschal sent itself.
- a vehicle can send a code derived from its overall size and / or its exterior color as an identification feature together with its driving operation data. If the own vehicle, which has a camera as environment sensor 21, now image processing-based determines the overall size and / or exterior color of another vehicle in its environment and derived from it in about the same code, it may conclude that this vehicle with high probability with a Radio module is equipped and its driving data sent itself.
- the own vehicle can be at least approximately determine the absolute position of another vehicle when aware of its own absolute position by means of environmental sensors. If the own vehicle now receives radio data object data describing an object with exactly this absolute position, or if it receives object data with additional identifying position data corresponding to this absolute position, it may conclude that this vehicle is equipped with a radio module is and sends its driving data itself.
- Vehicle 1 and vehicle 2 are each equipped with a radio module.
- Vehicle 2 also has vehicle-mounted sensors (e.g., front and rear radar).
- the vehicles 3 and 4 have no radio module.
- the driver of the vehicle 1 interprets the traffic control incorrectly. It is therefore assumed that the vehicle 1 with the vehicle 4 is on a collision course.
- the driving operation data of the vehicle 4 eg, absolute position and speed
- vehicle-autonomous sensors of the vehicle 2 shown in Fig. 2 are radar lobes 2a front and rear of the vehicle 2, detected and determined together with the self-sensors
- Driving operation data of the vehicle 2 transmitted via the radio module to the vehicle 1.
- Vehicle 1 can thus receive the driving operation data of vehicle 4 via the radio module, although the vehicle 4 itself has no radio module.
- a virtual increase in the equipment rate of the vehicles with radio modules can thus be achieved.
- the equipment rate can be virtually increased by two hundred percent. If consideration is also given to objects driving on adjacent lanes, the virtual equipment rate can be increased even further.
- radio-based driver assistance systems An important criterion for the market introduction of radio-based driver assistance systems is the expected performance, reliability and availability even with a low distribution of the system. Since all these quality measures increase with increasing equipment rate of the vehicles with radio modules, in particular a market introduction of such systems is supported by the inventively achieved virtual increase in the equipment rate. But even with a high equipment rate with radio modules, the proposed method offers further advantages. Thus, for example, the data of a not equipped with a radio module classic car can be detected by the vehicle-autonomous sensors of a modern, equipped with a radio, own vehicle and thus made available through the communication system.
- a provision for the creation of a financial compensation between the passive and the actively communicating participants in a method according to the invention is also conceivable.
- the acquisition of a radio module can thus be jointly funded financially.
- Transmitted driving data can be provided with an assignment characteristic of the sender.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007042793A DE102007042793A1 (de) | 2007-09-07 | 2007-09-07 | Verfahren zur Bereitstellung von Fahrbetriebsdaten |
PCT/EP2008/006680 WO2009033546A1 (de) | 2007-09-07 | 2008-08-14 | Verfahren zur bereitstellung von fahrbetriebsdaten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2195796A1 true EP2195796A1 (de) | 2010-06-16 |
EP2195796B1 EP2195796B1 (de) | 2014-04-02 |
Family
ID=39938268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08801578.9A Active EP2195796B1 (de) | 2007-09-07 | 2008-08-14 | Verfahren zur bereitstellung von fahrbetriebsdaten |
Country Status (4)
Country | Link |
---|---|
US (1) | US7974772B2 (de) |
EP (1) | EP2195796B1 (de) |
DE (1) | DE102007042793A1 (de) |
WO (1) | WO2009033546A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008002271A1 (de) * | 2008-06-06 | 2009-12-10 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Erfassung von Verkehrsdaten für ein Fahrzeug |
JP2011528433A (ja) * | 2008-07-16 | 2011-11-17 | オートトークス エルティディ | 車両による通信を用いて車両の相対的位置を決定する方法 |
DE102010023603A1 (de) | 2010-06-12 | 2011-12-15 | Volkswagen Ag | Verfahren für eine Fahrzeug zu Fahrzeug Kommunikation |
DE102010038639B4 (de) | 2010-07-29 | 2021-12-09 | Continental Teves Ag & Co. Ohg | Vorrichtung zum Testen eines Sicherheits- und/oder Fahrassistenzsystems |
DE102010038640A1 (de) * | 2010-07-29 | 2012-02-02 | Continental Teves Ag & Co. Ohg | Vorrichtung und Verfahren zur C2X-Kommunikation |
WO2012050486A1 (en) * | 2010-10-12 | 2012-04-19 | Volvo Lastvagnar Ab | Method and arrangement for entering a preceding vehicle autonomous following mode |
US9014632B2 (en) * | 2011-04-29 | 2015-04-21 | Here Global B.V. | Obtaining vehicle traffic information using mobile bluetooth detectors |
DE102011106828B4 (de) | 2011-07-07 | 2013-07-04 | Audi Ag | Verfahren zum Bereitstellen von Fahrwegdaten in einem Kraftfahrzeug, sowie bodenfeste Vorrichtung |
DE102011116637B4 (de) * | 2011-10-20 | 2015-02-19 | Audi Ag | Car-2-X-Kommunikationssystem, Teilnehmer in einem solchen System und Verfahren zum Empfangen von Funksignalen in einem solchen System |
CN103918016B (zh) * | 2011-11-10 | 2016-07-27 | 三菱电机株式会社 | 车辆侧系统 |
US9286800B2 (en) | 2012-12-30 | 2016-03-15 | Robert Gordon | Guidance assist vehicle module |
US9053636B2 (en) | 2012-12-30 | 2015-06-09 | Robert Gordon | Management center module for advanced lane management assist for automated vehicles and conventionally driven vehicles |
DE102013003035A1 (de) | 2013-02-22 | 2014-08-28 | Audi Ag | Fahrroutenerkennung von Kraftfahrzeugen |
JP6238018B2 (ja) * | 2014-12-02 | 2017-11-29 | マツダ株式会社 | 車両用運転支援装置 |
DE102015202028A1 (de) * | 2015-02-05 | 2016-08-11 | Conti Temic Microelectronic Gmbh | Vorrichtung und Verfahren zum Erkennen eines Bestehens einer Car-to-Car-Funkverbindung |
DE102015218455A1 (de) | 2015-09-25 | 2017-03-30 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Vorrichtung zum Erfassen eines Fahrzeugzustands |
US9799218B1 (en) | 2016-05-09 | 2017-10-24 | Robert Gordon | Prediction for lane guidance assist |
US9911329B1 (en) | 2017-02-23 | 2018-03-06 | Robert Gordon | Enhanced traffic sign information messaging system |
DE102017216195A1 (de) * | 2017-09-13 | 2019-03-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Untersuchung von Reifen |
WO2023006174A1 (en) * | 2021-07-26 | 2023-02-02 | Cariad Se | Method for determining a speed of traffic in a route section, detection device, vehicle and central computer |
DE102023106576A1 (de) | 2023-03-16 | 2024-09-19 | Bayerische Motoren Werke Aktiengesellschaft | Steuervorrichtung zum Steuern eines Betriebs eines Kraftfahrzeugs |
Family Cites Families (15)
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US5907293A (en) * | 1996-05-30 | 1999-05-25 | Sun Microsystems, Inc. | System for displaying the characteristics, position, velocity and acceleration of nearby vehicles on a moving-map |
US6067031A (en) * | 1997-12-18 | 2000-05-23 | Trimble Navigation Limited | Dynamic monitoring of vehicle separation |
US6813247B1 (en) * | 1999-07-30 | 2004-11-02 | Lucent Technologies Inc. | Traffic reporting system and method over wireless communication systems |
JP3849435B2 (ja) * | 2001-02-23 | 2006-11-22 | 株式会社日立製作所 | プローブ情報を利用した交通状況推定方法及び交通状況推定・提供システム |
US6615137B2 (en) * | 2001-06-26 | 2003-09-02 | Medius, Inc. | Method and apparatus for transferring information between vehicles |
JP3689076B2 (ja) * | 2002-09-05 | 2005-08-31 | 株式会社東芝 | 車載用電子機器 |
US6925378B2 (en) * | 2003-05-12 | 2005-08-02 | Circumnav Networks, Inc. | Enhanced mobile communication device with extended radio, and applications |
US7774137B2 (en) * | 2003-06-24 | 2010-08-10 | Steve Thorne | Speed-monitoring radar-activated brake light |
US6985089B2 (en) * | 2003-10-24 | 2006-01-10 | Palo Alto Reserach Center Inc. | Vehicle-to-vehicle communication protocol |
JP2005202922A (ja) * | 2003-12-18 | 2005-07-28 | Nissan Motor Co Ltd | 運転支援装置及び運転支援プログラム |
DE102004053754A1 (de) | 2004-11-06 | 2006-05-11 | Daimlerchrysler Ag | Verfahren zur Erkennung von auffahrunfallkritischen Situationen im Kolonnenverkehr |
DE102005017419A1 (de) | 2005-04-15 | 2006-10-19 | Robert Bosch Gmbh | Verfahren zur Übermittlung von Informationen zwischen Fahrzeugen |
US7327238B2 (en) * | 2005-06-06 | 2008-02-05 | International Business Machines Corporation | Method, system, and computer program product for determining and reporting tailgating incidents |
US7454288B2 (en) * | 2005-07-29 | 2008-11-18 | Gm Global Technology Operations, Inc. | System and method for clustering probe vehicles for real-time traffic application |
US7706963B2 (en) | 2005-10-28 | 2010-04-27 | Gm Global Technology Operations, Inc. | System for and method of updating traffic data using probe vehicles having exterior sensors |
-
2007
- 2007-09-07 DE DE102007042793A patent/DE102007042793A1/de not_active Withdrawn
-
2008
- 2008-08-14 WO PCT/EP2008/006680 patent/WO2009033546A1/de active Application Filing
- 2008-08-14 EP EP08801578.9A patent/EP2195796B1/de active Active
-
2010
- 2010-03-05 US US12/718,315 patent/US7974772B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009033546A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20100161173A1 (en) | 2010-06-24 |
US7974772B2 (en) | 2011-07-05 |
WO2009033546A1 (de) | 2009-03-19 |
DE102007042793A1 (de) | 2009-03-12 |
EP2195796B1 (de) | 2014-04-02 |
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