EP2186076A2 - Verfahren und vorrichtung zur warnung vor einsatzfahrzeugen im notfalleinsatz - Google Patents

Verfahren und vorrichtung zur warnung vor einsatzfahrzeugen im notfalleinsatz

Info

Publication number
EP2186076A2
EP2186076A2 EP08787249A EP08787249A EP2186076A2 EP 2186076 A2 EP2186076 A2 EP 2186076A2 EP 08787249 A EP08787249 A EP 08787249A EP 08787249 A EP08787249 A EP 08787249A EP 2186076 A2 EP2186076 A2 EP 2186076A2
Authority
EP
European Patent Office
Prior art keywords
vehicle
emergency
emergency vehicle
receiving
warning
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.)
Withdrawn
Application number
EP08787249A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ulrich STÄHLIN
Thomas Grotendorst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Teves AG and Co OHG
Original Assignee
Continental Teves AG and Co OHG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Teves AG and Co OHG filed Critical Continental Teves AG and Co OHG
Publication of EP2186076A2 publication Critical patent/EP2186076A2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0965—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
    • 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

Definitions

  • the invention relates to a method and a device for warning emergency vehicles in emergency use, in which emergency vehicles emit vehicle-to-vehicle communication warning messages that are received by other vehicles and displayed to the driver of the receiving vehicle.
  • the Highway Code approves special vehicles, which indicate emergency use by a blue light and a bugle, special rights, which should enable these emergency vehicles to reach their destination faster than other, civilian vehicles. Due to the special rights, however, it always comes back to dangerous situations, especially if the horn and / or the blue light are not taken from the other road users or late. Intersections with traffic light systems are particularly at risk here if the emergency vehicles enter the intersection area in emergency situations at "red”.
  • DE 200 07 251 U1 proposes an arrangement with a vehicle transmitter-side transmitter which emits an electromagnetic radio signal or an infrared signal, which is received by a receiver installed on a traffic light system.
  • a frequency or phase comparison method it can be deduced from the received signal whether the emergency vehicle is moving to the intersection to or from it and how far away it is from the intersection. If certain criteria are met, the traffic lights can be switched to a warning state, which indicates to the civil traffic, for example by a rapidly blinking red light, that an emergency vehicle is approaching.
  • the information gain is relatively small since neither the time nor the direction from which the emergency vehicle is approaching is displayed.
  • Object of the present invention is therefore to propose a possibility for improved detection of an emergency vehicle by a civilian road users.
  • the warning message of the emergency vehicle has a position indication of the emergency vehicle and the position information is evaluated in the warning message receiving vehicle, the position of the emergency vehicle is displayed relative to the position of the own vehicle.
  • the driver additionally receives information about where the emergency vehicle is in emergency deployment relative to its own receiving vehicle.
  • the position indication may simply be a coordinate in the coordinate system of a navigation or location system, which is transmitted for example by the warning message from the emergency vehicle with the receiving vehicle.
  • the position specification of the emergency vehicle and possibly also a position specification of the receiving vehicle is used to carry out a map powering in which the position information is assigned to a digital road map. This gives the driver of the receiving vehicle optimal information about the traffic situation and the relative position of the own vehicle to the emergency vehicle in emergency use.
  • This variant of the method can be realized in various ways.
  • the receiving vehicle itself is equipped with a set up for performing a map matching positioning system with digital map and performs the map power immediately after receiving the warning message with position information.
  • a map matching positioning system with digital map and performs the map power immediately after receiving the warning message with position information.
  • the vehicle may report its own position to the emergency vehicle by means of vehicle-to-vehicle communication upon receipt of a warning message.
  • the emergency vehicle may then perform the map matching and return the positions of the emergency vehicle and the receiving vehicle together with the required data for displaying an environment map to the receiving vehicle. In this case, done the assignment of the position information of the emergency vehicle and / or the receiving vehicle so in the emergency vehicle.
  • the emergency vehicle is technically particularly well equipped and, via position coordinates of the positioning system, can also use further information, for example from surroundings or vehicle-to-vehicle or vehicle-to-infrastructure communication, in order to further refine the location coordinates of the positioning system and, for example, to perform a lane detection. If necessary, this data can also be sent to the receiving vehicle alone.
  • the area map with the position data of the emergency vehicle can be sent as standard in a danger message.
  • the receiving vehicle can then use these with transmitted digital map of the area directly to still register the known position of the own (receiving) vehicle and represent the updated map of the environment. Only in the case of allocation problems, the receiving vehicle may then send its position coordinates to the emergency vehicle to retransmit a full area map with the positions of both the receiving vehicle and the emergency vehicle as previously described.
  • the warning message of the emergency vehicle may also include a direction indication of the emergency vehicle.
  • a direction indication of the emergency vehicle can be used as an explicit directional be transmitted in the warning or by a continuous transmission of position information, which are evaluated in the receiving vehicle and converted into a direction indication of the emergency vehicle.
  • the determination of the direction in the emergency vehicle can of course also be determined by a temporal evaluation successive position information in the same way.
  • the direction of movement of the emergency vehicle can then preferably be sent out with the same in the warning message.
  • the transmission of the warning messages can be coupled directly to the activation of the special characters in the emergency vehicle.
  • the warning messages are then sent out as soon as the special signal is switched on and off again as soon as the special signal in the emergency vehicle is switched off.
  • the indication of the position of the emergency vehicle in the receiving vehicle can be made by an arrow in a display device, for example a driver information display or the display of an HMI (Human Machine Interface), the arrowhead pointing in the direction of the emergency vehicle relative to the receiving vehicle.
  • a display device for example a driver information display or the display of an HMI (Human Machine Interface)
  • the arrowhead pointing in the direction of the emergency vehicle relative to the receiving vehicle.
  • the appearance and direction of the arrow for example, depending on the direction of travel of the receiving own vehicle, which typically coincides with the sitting and looking direction of the driver of the receiving vehicle.
  • the direction of movement of the emergency vehicle is not yet shown. However, the driver knows where the emergency vehicle is and can orient himself so quickly.
  • the display in particular in addition to the position indicator, also represents the direction of the emergency vehicle, in particular by an arrow in a display device whose arrowhead points in the direction of movement of the emergency vehicle relative to the direction of travel of the receiving vehicle.
  • This arrow representation can also be combined with the representation of the position information by an arrow, for example by different arrow representations.
  • the representations may differ according to the invention by color, size or other features.
  • the direction and position of the emergency vehicle and preferably also of the receiving vehicle can each be represented by a common arrow, wherein the different speeds of the vehicles can be taken into account, for example, by arrows of different lengths.
  • the speed of the emergency vehicle may be According to the information either by an explicit transmission in the vehicle-to-vehicle communication or by temporal evaluation of the successively transmitted positions of the emergency vehicle done.
  • a representation of the emergency vehicle and the receiving, own vehicle can also take place by arrows or other suitable means of presentation in a stylized map of the surroundings, which may indicate only the position of the own (receiving) and emergency vehicle and the time course preferably an approach or removal of the vehicle reproduces.
  • Such a representation is similar, for example, to the representation in a radar image.
  • the positions and possibly directions of the own vehicle and the emergency vehicle are also displayed in a map display of a navigation system.
  • the map display of a navigation system automatically selects a suitable map section whose size is determined such that preferably the own vehicle and the emergency vehicle are displayed on the map section during emergencies, and at the same time the route is recognizable , in which case the Display limited to relevant for the two vehicles roads can.
  • the driver of the receiving vehicle can create an overview of the traffic situation at a glance and react appropriately.
  • the own vehicle and the emergency vehicle for the sake of clarity by moving in the digital map section arrows or the like.
  • striking marks are displayed, wherein the length of the arrows is optionally selected as a function of the speeds of the two vehicles in order to display different speeds at first glance.
  • the arrows are then oriented based on the directions given by the digital map.
  • a signal tone can be generated in a surround sound-capable loudspeaker system in such a way that the signal sound for the driver of the receiving vehicle appears coming from the direction of approach of the emergency vehicle.
  • the signal tone may be, for example, the replica of a siren, to which the driver is accustomed.
  • the generation of the signal tones can also be adapted to country-specific conditions and specified by an appropriate configuration. The configuration can also be carried out automatically within the framework of a navigation system that knows in which country the vehicle is currently located.
  • the loudspeaker system according to the invention can be switched off with each reception of a warning message by an emergency vehicle, even if this is shown only graphically, for example, to increase the attention of the driver and distraction as possible by other influences to avoid.
  • the invention also relates to a device for warning emergency vehicles in emergency use with the features of claim 7.
  • the device is provided with a receiver for receiving warnings emitted by the emergency vehicles by means of vehicle-to-vehicle communication in a receiving vehicle, equipped with a control device for evaluating a received warning message and with a display device for displaying the warning message to the driver of the receiving vehicle.
  • the control device is set up to recognize from the warning message a position specification of the emergency vehicle relative to the position of the receiving vehicle and to control the display device in such a way that the position of the emergency vehicle relative to the position of the own vehicle is displayed.
  • the position detection can take place on the basis of position coordinates in a navigation coordinate system or by evaluation of particular radio signals in the vehicle-to-vehicle communication.
  • the control device is arranged to carry out the method or parts thereof described above and can generate or cause the previously described representations to be displayed in the display device by transmitting to the display device the corresponding control commands.
  • the display device may be a screen, for example a driver information display or the screen of a Human Machine Interface (HMI), and / or a surround sound-capable public address system in which a signal tone is generated in such a way that it appears to come from the direction of the emergency vehicle.
  • HMI Human Machine Interface
  • the device according to the invention can simply be integrated into an existing driver information system and implemented there by suitable programming.
  • the existing driver information systems generally already have interfaces to the components required for the device according to the invention, so that the invention can be implemented particularly favorably in this way.
  • the device can also be realized as a computer program product which sets up the components of the driver information system for carrying out the method described above.
  • the device has its own components for their implementation.
  • a transmitter for transmitting the warning messages may be provided in an emergency vehicle containing a position indication and possibly a direction indication. This can either be present explicitly as information in a data or radio telegram or can be obtained implicitly by evaluating the parameters of the vehicle-to-vehicle communication, in particular WLAN wireless communication.
  • Fig. 1 shows schematically an inventive device for warning of emergency vehicles in emergency use
  • FIG. 2 shows a flowchart of the method according to the invention for warning against emergency vehicles.
  • Fig. 1 schematic representation shows a device 1 for warning of emergency vehicles 3 in a receiving vehicle 2, which receives warnings of emergency vehicles 3 in emergency use.
  • a receiver 4 is provided in the receiving vehicle 2, which receives warning messages that were sent by emergency vehicles 3 in emergency use by means of vehicle-to-vehicle communication, in particular WLAN wireless communication.
  • the receiver 4 is connected in the receiving vehicle 2 with a control device 5, which evaluates the warning message and is adapted to determine from the warning message a position indication of the emergency vehicle 3 relative to the position of the receiving vehicle 2.
  • the control device 5 forwards the ascertained information to a display device 6, which is designed as a display.
  • the information can also be forwarded to a display device 7, which is designed as a public address system.
  • warning message on the display 6 which shows an integrated, for example, in the instrument panel of the vehicle formation display is.
  • On the display are two arrows
  • first arrow 8 represents as solid and optionally colored underlined arrow the position of the emergency vehicle relative to the own vehicle.
  • an upwardly directed arrow 8 indicates an emergency vehicle 3 in front of the own vehicle 2.
  • a downward arrow points to an emergency vehicle 3 behind the own vehicle 2.
  • the emergency vehicle 3 is thus located at the right back next to the receiving vehicle 2.
  • control device 5 can control a surround sound-capable loudspeaker system 7 in such a way that, for the case of a traffic situation illustrated in the display device 6, the driver receives the impression acoustically that the emergency vehicle 3 is driving to the rear right next to it.
  • the speed of the emergency vehicle which can be obtained for example from a temporal evaluation of the position signals of the emergency vehicle 3
  • the directional arrow 9 can be displayed in different lengths, with a long arrow 9 preferably on a high and a short arrow 9 preferably on a low speed.
  • the length of the arrow 9 may be correlated to absolute speed values of the emergency vehicle 3 or determined relative to the receiving vehicle 2
  • the loudspeaker system 7 may be provided to change the signal tone depending on the speed of the emergency vehicle 3 such that the position of the emergency vehicle 3 changes relative to the own vehicle 2, if this slower or faster as the own vehicle 2 drives. This can also be used with the Martins stealner typical Doppler effect.
  • the present invention is not limited to the above-described display devices 6, 7 and can also be implemented with other display devices which indicate the position and possibly the direction and speed of an emergency vehicle 2 in an emergency vehicle in a receiving vehicle 2.
  • the warning messages of the emergency vehicle 3 are transmitted by a transmitter 10 of the emergency vehicle 3, wherein the emission by a control device 11 of the fahr- 3 is triggered.
  • the control device 11 is preferably connected to a vehicle information system, which is not shown in Fig. 1, and knows the position, direction of movement and speed of the emergency vehicle 3 in real time or can easily determine this information, for example from coordinates of a positioning system. This information is then preferably transmitted in data telegrams of the WLAN radio link as part of the vehicle-to-vehicle communication.
  • Fig. 2 shows schematically the sequence of the method according to the invention. If an emergency vehicle 3 is in emergency operation, the transmission of warning messages is activated, which contain information about the position and direction of movement and, where appropriate, speed of the emergency vehicle. These warning messages are received in a receiving vehicle 2 to warn the driver of the receiving vehicle 2 and to point to the emergency vehicle 3 in emergency operation.
  • the received warning messages are evaluated to determine the position and preferably also the direction of movement of the emergency vehicle 3 relative to the receiving vehicle 2.
  • the speed of the emergency vehicle 3 can also be determined absolutely or relative to the own receiving vehicle 2. This can be done simply based on position coordinates in the coordinate system of a navigation or location system.
  • the position, direction and / or speed of the emergency vehicle 3 are displayed in a display device 6 to warn the driver of the receiving vehicle 2 not only of the emergency vehicle, but at the same time a clear orientation on the traffic situation to provide and to allow an appropriate response of the driver of the receiving vehicle 2.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Traffic Control Systems (AREA)
EP08787249A 2007-08-29 2008-08-14 Verfahren und vorrichtung zur warnung vor einsatzfahrzeugen im notfalleinsatz Withdrawn EP2186076A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007041045 2007-08-29
DE102008037690A DE102008037690A1 (de) 2007-08-29 2008-08-14 Verfahren und Vorrichtung zur Warnung vor Einsatzfahrzeugen im Notfalleinsatz
PCT/EP2008/060719 WO2009027245A2 (de) 2007-08-29 2008-08-14 Verfahren und vorrichtung zur warnung vor einsatzfahrzeugen im notfalleinsatz

Publications (1)

Publication Number Publication Date
EP2186076A2 true EP2186076A2 (de) 2010-05-19

Family

ID=40299290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08787249A Withdrawn EP2186076A2 (de) 2007-08-29 2008-08-14 Verfahren und vorrichtung zur warnung vor einsatzfahrzeugen im notfalleinsatz

Country Status (7)

Country Link
US (1) US8223037B2 (ko)
EP (1) EP2186076A2 (ko)
JP (1) JP2010537336A (ko)
KR (1) KR101548389B1 (ko)
CN (1) CN101796558A (ko)
DE (1) DE102008037690A1 (ko)
WO (1) WO2009027245A2 (ko)

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Also Published As

Publication number Publication date
CN101796558A (zh) 2010-08-04
US20110115644A1 (en) 2011-05-19
KR101548389B1 (ko) 2015-08-28
JP2010537336A (ja) 2010-12-02
WO2009027245A3 (de) 2009-09-11
US8223037B2 (en) 2012-07-17
KR20100057664A (ko) 2010-05-31
DE102008037690A1 (de) 2009-03-05
WO2009027245A2 (de) 2009-03-05

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