EP1535256A1 - Vorrichtung zur funkbasierten gefahrenwarnung - Google Patents
Vorrichtung zur funkbasierten gefahrenwarnungInfo
- Publication number
- EP1535256A1 EP1535256A1 EP03798122A EP03798122A EP1535256A1 EP 1535256 A1 EP1535256 A1 EP 1535256A1 EP 03798122 A EP03798122 A EP 03798122A EP 03798122 A EP03798122 A EP 03798122A EP 1535256 A1 EP1535256 A1 EP 1535256A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- data
- warning
- relevance measure
- receiving
- 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
Classifications
-
- 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 device for radio-based hazard warning according to the preamble of claim 1.
- EP 927 983 A2 describes a device for radio-based hazard warning, vehicles for exchanging data for hazard warning each being equipped with a data transmission device and data reception device. After activation of the data transmission device, the data for hazard warning are sent to other motor vehicles, the data sent comprising information about the position, the speed and the direction of travel of the sending vehicle. In the receiving vehicle, the received data are evaluated to determine whether or not there is a danger in front of the vehicle. If a danger is identified, the driver is informed of this by warning signals
- FR 2 793 056 describes a device for hazard warning in which the type of hazard is displayed in the vehicle. The receiving vehicle determines whether it is necessary to send the warning to other vehicles.
- WO 01/61668 AI describes a device for hazard warning in which a warning zone is generated in the transmitting vehicle and transmitted together with the hazard warning.
- the position of the vehicle and the type of road on which the vehicle is located are determined using a navigation system.
- the speed difference between the speed of the sending vehicle and the typical or maximum speed of other vehicles on the given road type is included in the calculation of the warning zone in the sending vehicle.
- the received hazard warning in the receiving vehicle is evaluated using a navigation system by checking whether the receiving vehicle is in the warning zone and whether the hazard warning relates to a section of the route potentially located in front of the receiving vehicle.
- a method is known from DE 199 52 392 AI in which route-dependent warning information is provided to the driver.
- Digital road maps for example, are used to identify whether the driver is approaching a curve ahead. If the current speed of the vehicle is greater than a cornering speed limit, the driver is first given a visual warning. If the driver does not respond to the visual warning within a certain time, ie if he continues to drive at undiminished speed, an additional acoustic warning is given. Since the curve has a fixed position, the approximation to a curve is always sufficient long distance in front of the curve and different warning levels of increasing urgency are triggered one after the other.
- the invention is based on the object of realizing an improved device for hazard warning with an improved detection of relevant hazard warnings.
- the radio-based hazard warning device generates a hazard warning that extends beyond the optical range of a hazard warning system. This achieves an electronic extension of the classic hazard warning system.
- An essential component of the device is a radio modem, which enables direct data exchange between vehicles in real time and with a sufficiently long range, approx. 1 km.
- the device optionally includes a locating module with which the position of the vehicle can be determined by locating. This location module can be part of a navigation system or can be coupled to a navigation system. If the locating module is coupled to a navigation system or is part of the same, the vehicle position can be determined with even greater accuracy because the measured vehicle position can be mapped on the digital map present in the navigation system by map matching. This enables errors in the position determination to be compensated for by the locating module.
- the data received by the sending vehicle include information about the position of the sending vehicle.
- This position information includes positions that have been determined by a locating device and / or a directional lane of the vehicle.
- a directional lane of the Vehicle is formed from the direction of travel and speed of the vehicle at different times.
- the received position information optionally also includes additional information about previous positions of the sending vehicle.
- the earlier positions of the vehicle form a position chain of the vehicle, which consists of a sequence of points for which information about the position of the vehicle is available.
- the position chain can be a directional lane and / or a sequence of positions determined by means of a positioning system or navigation system.
- a relevance measure is determined from the received data of the sending vehicle and the position, speed and direction of travel data of the receiving vehicle, by means of which it is expressed with what probability the sending vehicle is located on the section of the route ahead, that is to say downstream, of the receiver.
- the receiving vehicle advantageously has route information with which the future route of the receiving vehicle is predicted.
- the relevance measure is determined from the received data of the sending vehicle and the predicted future route of the receiving vehicle, by means of which it is expressed with what probability the sending vehicle is on the predicted future route of the receiving vehicle.
- false warnings are recognized on the basis of the time course of the relevance measure.
- the information is advantageously output as a function of the relevance measure determined. This means, for example, that information whose relevance is too small is not output.
- the information output to the driver is ended as soon as a warning is recognized as a false warning. In this case, it is advantageous if, as soon as an information output is ended due to a false warning, the driver is explicitly informed by an immediately subsequent information output that the previously reported danger is no longer relevant to him.
- the device for radio-based hazard warning makes it possible for drivers of subsequent vehicles to recognize the danger ahead of them in good time and then to be able to brake their vehicle in good time.
- the device for radio-based hazard warning comprises a data transmission device which, for. B. is triggered by the hazard lights of the vehicle. If the hazard warning system of a vehicle is triggered in this embodiment of the invention, a corresponding radio message is broadcast to all vehicles in the vicinity of the transmitting vehicle.
- the transmitted data of each transmitter include its current speed and its position chain. In one embodiment of the invention, it is also possible for the transmitter to transmit its identification number and / or a type of hazard.
- FIG. Shows a block diagram of a device for radio-based hazard warning.
- the device for radio-based hazard warning comprises a data reception unit 10, data transmission unit 15 and a computer unit 20.
- the device for radio-based hazard warning is preferably provided with a navigation system 30, an output unit 40, an activation device 50 and a sensor unit 60 via a vehicle bus system connected.
- the sensor unit can comprise several different sensors, in particular a crash sensor, a speed sensor, etc.
- the activation device 50 can e.g. B. the hazard lights of the vehicle.
- the information about the position that is emitted by a sending vehicle includes a directional lane of the vehicle, formed from the direction of travel and speed of the vehicle at different times.
- the information about the position is generated by a navigation system 30. This is advantageously done using a locating device, e.g. B. GPS.
- the type of road and the direction of travel can also be determined using a navigation system 30.
- the determination of position, type of street and direction of travel by means of a navigation system 30 is described in WO 01/61668 AI and is incorporated herein by reference.
- the determination of position, type of street and direction of travel using directional lanes of vehicles is described in EP 0 927 983 A2 and is incorporated herein by reference.
- a position chain of a vehicle consists of a sequence of points for which information about the position of the vehicle is available.
- the position chain can be a directional lane and / or a sequence of tion system or navigation system 30 act positions.
- the position chain describes the geometry of the route traveled by the transmitter in the recent past.
- the relevance measure is large and the driver of the recipient must be warned of the reported danger. If the sending vehicle is behind the receiving vehicle or on the opposite lane, the relevance measure is small and the received danger message has no meaning for the driver of the recipient.
- a false warning is a warning that warns the driver of a danger that is not on his future route.
- a false warning cannot be avoided. For example, if the transmitter is just behind a fork in the road, e.g. on the left branch, the driver of the receiver must be warned in good time of the reported danger, even if it is not known when the warning is triggered whether the receiver is on the left or right branch of the fork.
- the relevance measure of the transmitter is sufficiently large to trigger a warning. However, after reaching the fork, the further course of the relevance measure depends on whether the receiver is traveling on the left or right branch of the fork.
- the position chains of sender and receiver continue to agree well, the relevance remains high and the warning is maintained.
- the position chains of sender and receiver diverge and the degree of relevance decreases. If it falls below a certain threshold value, it can be assumed that the transmitter and receiver are now on different routes and that the warning was incorrectly triggered. A false message is thus detected by the falling edge of the relevance measure. If this is the case, not only is the warning ended, but the driver is also explicitly informed that the previously reported danger is no longer relevant to him. This prevents the driver from losing confidence in the radio warning system due to false warnings, which may be unavoidable, or from wondering that the warning seems to have disappeared for no reason.
- the hazard warning can also be refined by route information, which can be found, for example, on a digital road map.
- route information can be found, for example, on a digital road map.
- the route information of the future route of the transmitter can be predicted at least to the next crossing point.
- the position chain of the transmitter can thus be lengthened and the reliability of the relevance measure, which depends on the overlap length of the position chains of transmitter and receiver, can be increased.
- the route preview enables the distance between transmitter and receiver to be determined more precisely because the exact geometry of the section of the route between the two vehicles is known.
- the route information can be used to avoid false warnings in certain situations.
- the driver is advantageously warned as long as radio messages are received and the transmitter is in front of the receiver.
- the warning continues and the relative movement of the receiver with respect to the transmitter is continued on the assumption that the transmitter is moving at its last known speed.
- the warning is only ended when radio messages are no longer received for a sufficiently long time, but at the earliest after a minimum warning time, which ensures that the driver can also perceive the displayed warning.
- a warning is also ended if the driver of the receiver indicates by switching on his own hazard warning system that he has recognized the reported danger.
- the activation process of the hazard warning system and not the "hazard indicator on" state is used as a criterion for ending the warning, because otherwise the driver would not receive a warning if he approaches a transmitter with the hazard warning system already switched on, for example because he is moving another vehicle towing.
- Switching on your own hazard warning lights is an advantageous option for the driver to acknowledge a warning and thereby end it manually. By limiting this type of acknowledgment, the system remains simple. Further operating actions are conceivable.
- a warning is automatically ended even if the speed at which the receiver approaches the transmitter or the absolute speed of the receiver becomes very low. This prevents, for example, a display in the vehicle from being blocked for an unnecessarily long time.
- Scenarios are conceivable, for example when approaching an end of a traffic jam, in which several transmitters broadcast radio messages simultaneously.
- the radio messages of any number of transmitters can be processed in parallel. Successive radio messages from the same transmitter are recognized on the basis of their common identification number. First of all, it is checked individually for each broadcaster which relevance measure can be assigned to it.
- the relevance measure for each sending vehicle is determined at time intervals. The course of time can then be used to determine, for example, which messages are false reports.
- the general hazard hazard type is sent when the driver has manually triggered the hazard warning lights and the vehicle's engine is running, for example when driving onto an end of a traffic jam.
- the virtual warning triangle hazard type is sent when the driver has manually triggered the hazard lights and the vehicle's engine is off, for example because the vehicle has broken down.
- the accident type of hazard is sent when the hazard warning system has been triggered automatically by the vehicle's crash sensor.
- the construction site hazard type is not but sent by beacons that mark the start of a construction site.
- the driver can be informed optically and / or acoustically of the danger ahead.
- the visual output takes place via a display mounted in the vehicle. This is preferably integrated in the instrument cluster and is therefore in the driver's primary field of vision. There, the driver's attention can advantageously be drawn to the hazard warning with an optical output.
- the visual warnings can also be supplemented by acoustic signals or voice output, in order to ensure that the warning is perceived safely even when the driver's gaze is turned away from the instrument cluster because, for example, he is operating the radio or another control device installed in the center console or is operating himself fully focused on observing the traffic environment.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10241134 | 2002-09-03 | ||
DE10241134A DE10241134A1 (de) | 2002-09-03 | 2002-09-03 | Vorrichtung zur funkbasierten Gefahrenwarnung |
PCT/EP2003/009330 WO2004029900A1 (de) | 2002-09-03 | 2003-08-22 | Vorrichtung zur funkbasierten gefahrenwarnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1535256A1 true EP1535256A1 (de) | 2005-06-01 |
EP1535256B1 EP1535256B1 (de) | 2013-03-20 |
Family
ID=31895668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03798122A Expired - Lifetime EP1535256B1 (de) | 2002-09-03 | 2003-08-22 | Vorrichtung zur funkbasierten gefahrenwarnung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060229812A1 (de) |
EP (1) | EP1535256B1 (de) |
JP (1) | JP3932557B2 (de) |
DE (1) | DE10241134A1 (de) |
WO (1) | WO2004029900A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2871915B1 (fr) * | 2004-06-22 | 2008-10-10 | Bahebeck Marc Abel Bakebeck | Procede actif de signalisation, a plusieurs centaines de metres de distance, de detresse et de danger. il est destine aux vehicules et aux usagers de la route |
DE102006018723A1 (de) * | 2006-04-20 | 2007-10-25 | Hans Edmund Hochrein | Fahrzeugaufprallwarner |
CN101568948B (zh) | 2006-11-02 | 2011-06-01 | 大陆-特韦斯贸易合伙股份公司及两合公司 | 车辆根据地点对危险情况报警的方法 |
DE102007042792A1 (de) * | 2007-09-07 | 2009-03-12 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Umfeldüberwachung für ein Kraftfahrzeug |
DE102010030867A1 (de) * | 2010-07-02 | 2012-01-05 | Robert Bosch Gmbh | Verfahren zur Kommunikation zwischen Fahrzeugen |
WO2012014498A1 (ja) * | 2010-07-30 | 2012-02-02 | 三洋電機株式会社 | 無線装置 |
ITBO20120224A1 (it) * | 2012-04-24 | 2013-10-25 | Veronica Righini | Apparato di sicurezza e comunicazione per veicoli. |
DE102012210059A1 (de) * | 2012-06-14 | 2013-12-19 | Continental Automotive Gmbh | Verfahren zur Verifikation und/oder Vorverarbeitung von Datenpaketen und zur Durchführung des Verfahrens eingerichtetes Steuergerät |
DE102014203805A1 (de) * | 2014-03-03 | 2015-09-03 | Bayerische Motoren Werke Aktiengesellschaft | Fahrerassistenzsystem zur Erkennung eines sensorisch nicht erfassbaren Kollisionspartners |
DE102014222524A1 (de) * | 2014-11-05 | 2016-05-12 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Verringerung der Unfallgefahr durch Geisterfahrer |
DE102016200048B4 (de) * | 2016-01-06 | 2020-08-13 | Volkswagen Aktiengesellschaft | Warneinrichtung und Verfahren zum Warnen von Kraftfahrzeuginsassen |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4403208A (en) * | 1975-10-23 | 1983-09-06 | Hodgson R W | Warning-signal-producing system for a motor vehicle responsive to a vehicle-presence-indicating radio wave signal emitted by another vehicle and indicative of its presence |
KR930010426B1 (ko) * | 1990-11-26 | 1993-10-23 | 현대전자산업 주식회사 | 차량의 위험지역 주행시 주의방송 송,수신장치 |
US7085637B2 (en) * | 1997-10-22 | 2006-08-01 | Intelligent Technologies International, Inc. | Method and system for controlling a vehicle |
DE19758155A1 (de) * | 1997-12-30 | 1999-07-01 | Bosch Gmbh Robert | Einrichtung zur Warnung des Fahrers eines Kraftfahrzeugs |
DE19803345C2 (de) * | 1998-01-29 | 2002-11-07 | Opel Adam Ag | Warnsystem in Kraftfahrzeugen |
GB2342251A (en) * | 1998-09-29 | 2000-04-05 | Secr Defence | Proximity measuring apparatus |
JP4193266B2 (ja) * | 1999-02-22 | 2008-12-10 | 株式会社エクォス・リサーチ | 周辺車両報知装置 |
KR100331633B1 (ko) * | 1999-12-14 | 2002-04-09 | 이계안 | 무선 통신을 이용한 차량 속도 제어 장치 및 그 방법 |
DE10007573C1 (de) * | 2000-02-18 | 2001-09-27 | Daimler Chrysler Ag | Vorrichtung zur funkbasierten Gefahrenwarnung des Fahrers eines Kraftfahrzeugs |
JP2001324352A (ja) * | 2000-05-16 | 2001-11-22 | Nec Soft Ltd | 乗り越し防止アラーム装置 |
DE10041714A1 (de) * | 2000-08-25 | 2002-05-16 | Volkswagen Ag | Vorrichtung zur Objektmarkierung und/oder Detektion und Identifikation von Objekten |
JP4233743B2 (ja) * | 2000-10-11 | 2009-03-04 | 本田技研工業株式会社 | 周辺情報表示装置 |
JP2002245574A (ja) * | 2001-02-14 | 2002-08-30 | Fujitsu Ten Ltd | 車両用警報装置及び振動付き端末機 |
US6792351B2 (en) * | 2001-06-26 | 2004-09-14 | Medius, Inc. | Method and apparatus for multi-vehicle communication |
EP1504276B1 (de) * | 2002-05-03 | 2012-08-08 | Donnelly Corporation | Objektdetektionssystem für ein fahrzeug |
DE10244205A1 (de) * | 2002-09-23 | 2004-03-25 | Robert Bosch Gmbh | Verfahren und Einrichtung zur Verhinderung der Kollision von Fahrzeugen |
US7271736B2 (en) * | 2003-01-06 | 2007-09-18 | Michael Aaron Siegel | Emergency vehicle alert system |
KR100498965B1 (ko) * | 2003-04-22 | 2005-07-01 | 삼성전자주식회사 | 차량간 임시 무선 네트워크를 이용한 차량 운행정보 교환방법 및 시스템 |
-
2002
- 2002-09-03 DE DE10241134A patent/DE10241134A1/de not_active Ceased
-
2003
- 2003-08-22 US US10/526,551 patent/US20060229812A1/en not_active Abandoned
- 2003-08-22 EP EP03798122A patent/EP1535256B1/de not_active Expired - Lifetime
- 2003-08-22 JP JP2004538830A patent/JP3932557B2/ja not_active Expired - Fee Related
- 2003-08-22 WO PCT/EP2003/009330 patent/WO2004029900A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2004029900A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20060229812A1 (en) | 2006-10-12 |
DE10241134A1 (de) | 2004-03-25 |
JP3932557B2 (ja) | 2007-06-20 |
EP1535256B1 (de) | 2013-03-20 |
WO2004029900A1 (de) | 2004-04-08 |
JP2005537586A (ja) | 2005-12-08 |
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