WO2001061668A1 - Vorrichtung zur funkbasierten gefahrenwarnung des fahrers eines kraftfahrzeugs - Google Patents
Vorrichtung zur funkbasierten gefahrenwarnung des fahrers eines kraftfahrzeugs Download PDFInfo
- Publication number
- WO2001061668A1 WO2001061668A1 PCT/EP2000/012998 EP0012998W WO0161668A1 WO 2001061668 A1 WO2001061668 A1 WO 2001061668A1 EP 0012998 W EP0012998 W EP 0012998W WO 0161668 A1 WO0161668 A1 WO 0161668A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- warning
- motor vehicle
- driver
- data
- danger
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000003213 activating effect Effects 0.000 claims abstract description 3
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims 1
- 230000004913 activation Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- G08G1/162—Decentralised systems, e.g. inter-vehicle communication event-triggered
-
- 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
- G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle
Definitions
- the invention relates to a device for radio-based hazard warning of the driver of a motor vehicle according to the preamble of claim 1.
- DE 197 58 155 AI describes a generic device for radio-based hazard warning, wherein motor vehicles are each equipped with a data transmission device for exchanging data for hazard warning. After activation of the data transmission device, the data for hazard warning are sent to other motor vehicles, the data sent including information about the position, the speed and the direction of travel of the sending motor vehicle and the type of road on which the sending motor vehicle is moving, and the data in the others Data received from motor vehicles are evaluated as to whether or not the received data represent a danger to the motor vehicle. If a danger is determined, the driver of the motor vehicle is informed of this by warning signals.
- the object of the invention is to make the generic device for hazard warning more selective and, as far as possible, to make the driver aware only of those hazard sources which concern him.
- the main idea of the invention is to use a navigation system to generate the information about the position, the type of road and the direction of travel which relate to the sending motor vehicle.
- a warning zone around the current position of the sending motor vehicle is calculated with a computer device and the data of the warning zone is likewise transmitted with the data transmission device.
- the sending (warning) vehicle thus generates a fixed or moving warning trail on the relevant previous section of the route analogous to a moving triangle that can be recognized in good time.
- the selectivity is achieved by using the position information (coordinates with the type of road and direction of travel) of the navigation system and by limiting the relevance of the information to a defined warning zone, the relevance of the information in turn using the digital maps of the navigation system by the computer unit of the receiving ( warned) motor vehicle is checked.
- the warning zone is not fixed statically, but is determined by different entrance sizes.
- the warning zone represents a preferably circular area around the sending motor vehicle.
- the center of the warning zone is the current position (coordinates) of the sending vehicle, the extent of the warning zone is described by the warning radius R.
- the warning radius R is essentially determined by the desired minimum warning time T min for other motor vehicles, the minimum warning time T min being approximately 5 seconds so that the warned driver can still react in good time.
- the warning radius R is dependent on system-related position errors P err in the determination of the current vehicle position and assumed time delays T de ⁇ in the message transmission and processing process.
- the warning radius R is dependent on the approach speed V a of the other motor vehicles and the intrinsic speed V of the sending vehicle. Typical or maximum speeds for the type of road on which the sending motor vehicle is moving are used as the approach speed V a of the other motor vehicles for calculating the warning radius.
- the formula for calculating the warning radius is:
- the driver activates the data transmission device by manually operating a switch.
- the hazard warning is only generated and sent automatically if an accident is detected by internal sensors (crash sensors).
- the activation of the data transmission device is coupled to the manual actuation of the switch of the hazard warning system.
- a motor vehicle equipped with such a device can is prepared to represent the danger warning on behalf of another vehicle that represents a source of danger.
- a basic distinction is made between two cases. In the first case, the sending motor vehicle itself is the source of the hazard and the current position of the motor vehicle marks the location of the source of the hazard. The hazard warning is then sent until the problem is resolved and the source of the hazard is eliminated and the device for hazard warning is deactivated. In the second case, the driver of the motor vehicle recognizes a source of danger (other road user) that has no device for sending a hazard warning or that has not sent a hazard warning.
- information is additionally sent from which the motor vehicles which receive the danger message can see that the sending motor vehicle is not itself the source of the danger.
- This additional information can be generated, for example, by the driver actuating the switch to activate the data transmission device when a source of danger is recognized and / or passed.
- the computer unit of the device checks by evaluating the internal sensors whether there is a reason, for example an accident, a strong braking action or a breakdown, for the hazard warning system triggering and therefore the sending motor vehicle itself a source of danger represents.
- the data sent are supplemented by information that the motor vehicle carries out the hazard warning on behalf of another road user.
- the representative motor vehicle automatically sends the hazard warning at regular intervals without changing the current position of the hazard source until it has itself left the calculated warning zone.
- the transmission of this additional information is therefore important so that the computer unit of the motor vehicles which receive the danger warning does not fail to avoid the absence of the danger warning when the motor vehicle sending the data transmission device deactivated again, concludes that the source of danger no longer exists.
- the hazard warning is saved and displayed to the driver until the location of the hazard source has been passed. It is at the discretion of the driver, whose data transmission device has received the hazard message, whether the received hazard warning is transmitted.
- Fig. 2 A flow chart for generating the hazard warning in the sending motor vehicle
- Fig. 3 A flow chart for evaluating the hazard warning in the receiving motor vehicle
- the device for radio-based hazard warning comprises a data transmission device 1, a computer unit 2, a navigation system 3, an output unit 4, an activation device 5 and a sensor unit 6, which are preferably connected via a vehicle bus system.
- the hazard warning is generated according to the flow chart in FIG. 2.
- the computer unit 2 After the activation of the device for radio-based hazard warning by the activation device 5, the computer unit 2 reads out the coordinates of the current position, the type of road on which the motor vehicle is moving and the direction of travel from the navigation system 3. In addition, the current vehicle speed V is read out from the sensor unit 6. The computer unit 2 then uses the formula
- the warning radius R of the warning zone is calculated.
- the hazard warning with information about the current position road type used, the current vehicle speed V and the calculated warning radius R for transmission to the data transmission device 1 and transmitted at regular intervals.
- the sending of the danger warning is ended either by deactivating the device or, if the signal is sent on behalf of another road user, after the calculated warning zone has been left.
- the operating frequency of the hazard warning device is selected so that it can be transmitted with the antenna systems present in the vehicle and is in a frequency band that can be used at least for Europe. For example, the 87.5 MHz EUROSIGNAL or the ISM band in the 800-900 MHz range can be used. Since selective warnings are to be given, a range of the transmission signal of approx. 3 km is sufficient.
- the hazard warning is evaluated in the receiving vehicle according to the flow chart according to FIG. 3.
- the computer unit 2 uses the position data of the navigation system 3 to check whether the motor vehicle is within the warning zone. If the motor vehicle is outside the warning zone, the hazard warning is ignored. If the motor vehicle is within the warning zone, the computer unit 2 uses the digital map of the navigation system 3 to check the theoretically possible route sections ahead (electronic horizon) for a distance which corresponds to the warning radius of the warning zone. On the basis of the position, road and direction of travel contained in the danger warning, it is then checked whether the location of the source of danger (of the sending motor vehicle) can be assigned to one of the possible route sections ahead.
- the message is ignored, otherwise suitable warning information for the driver is generated, for example by the position of the source of danger flashing on the route represented by the output unit 4.
- the displayed hazard warning it is up to the driver whether he uses his hazard lights activated and / or also sends a hazard warning or not.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Traffic Control Systems (AREA)
- Navigation (AREA)
- Alarm Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50003955T DE50003955D1 (de) | 2000-02-18 | 2000-12-20 | Vorrichtung zur funkbasierten gefahrenwarnung des fahrers eines kraftfahrzeugs |
EP00985209A EP1264297B1 (de) | 2000-02-18 | 2000-12-20 | Vorrichtung zur funkbasierten gefahrenwarnung des fahrers eines kraftfahrzeugs |
JP2001560974A JP3678703B2 (ja) | 2000-02-18 | 2000-12-20 | 無線によりハザード警告を自動車の運転者に送出するための装置 |
US10/203,932 US6798354B2 (en) | 2000-02-18 | 2000-12-20 | Device for warning the driver of a motor vehicle of dangers by radio |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10007573.8 | 2000-02-18 | ||
DE10007573A DE10007573C1 (de) | 2000-02-18 | 2000-02-18 | Vorrichtung zur funkbasierten Gefahrenwarnung des Fahrers eines Kraftfahrzeugs |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001061668A1 true WO2001061668A1 (de) | 2001-08-23 |
Family
ID=7631523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/012998 WO2001061668A1 (de) | 2000-02-18 | 2000-12-20 | Vorrichtung zur funkbasierten gefahrenwarnung des fahrers eines kraftfahrzeugs |
Country Status (6)
Country | Link |
---|---|
US (1) | US6798354B2 (de) |
EP (1) | EP1264297B1 (de) |
JP (1) | JP3678703B2 (de) |
DE (2) | DE10007573C1 (de) |
ES (1) | ES2207564T3 (de) |
WO (1) | WO2001061668A1 (de) |
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DE10241134A1 (de) * | 2002-09-03 | 2004-03-25 | Daimlerchrysler Ag | Vorrichtung zur funkbasierten Gefahrenwarnung |
DE10241133A1 (de) * | 2002-09-03 | 2004-03-25 | Daimlerchrysler Ag | Vorrichtung zur funkbasierten Gefahrenwarnung |
EP1422679A1 (de) * | 2002-11-19 | 2004-05-26 | Thierry Racine | System zur Verhütung von Unfällen |
DE10207488B4 (de) * | 2002-02-22 | 2006-02-16 | Daimlerchrysler Ag | Verfahren zur Informationserzeugung in einem Fahrzeug |
DE102006018723A1 (de) * | 2006-04-20 | 2007-10-25 | Hans Edmund Hochrein | Fahrzeugaufprallwarner |
US7378986B2 (en) | 2002-09-03 | 2008-05-27 | Daimlerchrysler Ag | Device and method for radio-based danger warning |
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DE102013021835A1 (de) * | 2013-12-21 | 2015-06-25 | Audi Ag | Verfahren zum Warnen vor einer Gefahrenstelle |
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2000
- 2000-02-18 DE DE10007573A patent/DE10007573C1/de not_active Expired - Fee Related
- 2000-12-20 EP EP00985209A patent/EP1264297B1/de not_active Expired - Lifetime
- 2000-12-20 WO PCT/EP2000/012998 patent/WO2001061668A1/de active IP Right Grant
- 2000-12-20 JP JP2001560974A patent/JP3678703B2/ja not_active Expired - Fee Related
- 2000-12-20 US US10/203,932 patent/US6798354B2/en not_active Expired - Fee Related
- 2000-12-20 ES ES00985209T patent/ES2207564T3/es not_active Expired - Lifetime
- 2000-12-20 DE DE50003955T patent/DE50003955D1/de not_active Expired - Lifetime
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US4706086A (en) * | 1985-05-06 | 1987-11-10 | Fiat Auto S.P.A. | System for communication and automatic signalling between a plurality of motor vehicles |
DE4004816A1 (de) * | 1990-02-16 | 1991-09-19 | Grundig Emv | Unfallwarnsystem in kraftfahrzeugen zur erhoehung der verkehrssicherheit |
DE4203930A1 (de) * | 1992-02-11 | 1993-03-04 | Liegau Dietrich | Funkgesteuertes, mobiles fernwarngeraet fuer kraftfahrzeuge bei nebel, stau, unfall und verkehrsstockung |
US5546311A (en) * | 1993-10-28 | 1996-08-13 | Honda Giken Kogyo Kabushiki Kaisha | Intercommunication system for vehicle |
US5754099A (en) * | 1994-03-25 | 1998-05-19 | Nippondenso Co., Ltd. | Obstacle warning system for a vehicle |
EP0927983A2 (de) * | 1997-12-30 | 1999-07-07 | Robert Bosch Gmbh | Einrichtung zur Warnung des Fahrers eines Kraftfahrzeugs |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2380843A (en) * | 2001-10-09 | 2003-04-16 | John Mchugh | Vehicle early warning system |
DE10207488B4 (de) * | 2002-02-22 | 2006-02-16 | Daimlerchrysler Ag | Verfahren zur Informationserzeugung in einem Fahrzeug |
DE10241134A1 (de) * | 2002-09-03 | 2004-03-25 | Daimlerchrysler Ag | Vorrichtung zur funkbasierten Gefahrenwarnung |
DE10241133A1 (de) * | 2002-09-03 | 2004-03-25 | Daimlerchrysler Ag | Vorrichtung zur funkbasierten Gefahrenwarnung |
WO2004029900A1 (de) * | 2002-09-03 | 2004-04-08 | Daimlerchrysler Ag | Vorrichtung zur funkbasierten gefahrenwarnung |
US7378986B2 (en) | 2002-09-03 | 2008-05-27 | Daimlerchrysler Ag | Device and method for radio-based danger warning |
EP1422679A1 (de) * | 2002-11-19 | 2004-05-26 | Thierry Racine | System zur Verhütung von Unfällen |
US7437241B2 (en) | 2003-04-04 | 2008-10-14 | Samsung Electronics Co., Ltd | Navigation system for restrictively outputting warning and warning generating apparatus and method for restrictively outputting warning in a navigation system |
DE102006018723A1 (de) * | 2006-04-20 | 2007-10-25 | Hans Edmund Hochrein | Fahrzeugaufprallwarner |
DE102013021835A1 (de) * | 2013-12-21 | 2015-06-25 | Audi Ag | Verfahren zum Warnen vor einer Gefahrenstelle |
Also Published As
Publication number | Publication date |
---|---|
EP1264297B1 (de) | 2003-10-01 |
JP2003523590A (ja) | 2003-08-05 |
DE10007573C1 (de) | 2001-09-27 |
JP3678703B2 (ja) | 2005-08-03 |
US20030090392A1 (en) | 2003-05-15 |
US6798354B2 (en) | 2004-09-28 |
DE50003955D1 (de) | 2003-11-06 |
ES2207564T3 (es) | 2004-06-01 |
EP1264297A1 (de) | 2002-12-11 |
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