DE102008007686A1 - Driver assistance device for vehicle i.e. motor vehicle such as automobile, has permanent storage device i.e. semiconductor memory, storing locally limited valid characteristics inputs in vehicle rest condition - Google Patents

Driver assistance device for vehicle i.e. motor vehicle such as automobile, has permanent storage device i.e. semiconductor memory, storing locally limited valid characteristics inputs in vehicle rest condition

Info

Publication number
DE102008007686A1
DE102008007686A1 DE102008007686A DE102008007686A DE102008007686A1 DE 102008007686 A1 DE102008007686 A1 DE 102008007686A1 DE 102008007686 A DE102008007686 A DE 102008007686A DE 102008007686 A DE102008007686 A DE 102008007686A DE 102008007686 A1 DE102008007686 A1 DE 102008007686A1
Authority
DE
Germany
Prior art keywords
device
vehicle
characterized
motor vehicle
behavioral
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Withdrawn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
DE102008007686A
Other languages
German (de)
Inventor
Justus Illium
Torsten Kanning
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to DE102008007686A priority Critical patent/DE102008007686A1/en
Publication of DE102008007686A1 publication Critical patent/DE102008007686A1/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096791Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle

Abstract

The device has a processing device (1) for determining locally limited valid characteristics inputs to an actual residing place of a vehicle. A permanent storage device (5) i.e. semiconductor memory, is provided for storing the inputs in a rest condition of the vehicle. The processing device has a detection device (4) for detection and recognition of road signs, a localization device and an assigning device, where the detection device has a camera (2) and a radio signal receiver. The localization device is provided for detecting the actual residing coordinates of the vehicle. An independent claim is also included for a method for operating a motor vehicle.

Description

  • The Invention is in the field of automotive engineering, in particular in the field of vehicle assistance equipment.
  • There Road traffic increasingly denser, faster and more complex and the requirements for drivers of motor vehicles also in follow other factors such as multimedia facilities and additional to be operated units in vehicles getting higher, is one of the basic tasks in designing vehicles in Simplify complex control tasks and guide the driver allow the vehicle in an ergonomic way effectively and comfortably.
  • Out For this reason, a variety of facilities for Motor vehicles created, for example, the compliance of the Lane, the distance to other vehicles, the cruise control and the adjustment of the lighting affect as well as additional For example, navigation systems, traffic jam avoidance assistants, parking space search and parking assistance systems.
  • specially Systems for traffic sign recognition have also become known. the driver in the detection of speed limits, overtaking bans and the like, in that corresponding ones Traffic signs visually or otherwise recognized and the driver are displayed.
  • One The basic principle of assistance facilities is the requirement that the driver ultimately for all actions of the vehicle remains responsible and therefore not fully functional can be automated.
  • One The problem is, the driver providing information should be the right and the right driving situation To provide information at the appropriate time and in the optimal form.
  • Out The prior art is in this regard a variety of Known systems.
  • The US Pat. No. 6,845,317 B2 shows, for example, a system in which determined by means of a GPS device to the current location suitable maximum speed and the driver is warned if it is exceeded. In addition, it is provided to indicate to the driver the most recently determined maximum speed specification.
  • From the EP 1383098 A1 is basically a visual sign recognition by means of a camera and by comparing the recorded image with a database known. The corresponding traffic signs can thus also be identified.
  • From the GB 2403838 A A method is known for automatically monitoring compliance with the maximum speed.
  • The French patent application 2849251 discloses the measurement and storage of the driver behavior during the journey as well as the detection of the corresponding boundary conditions. These include, for example, the traffic signs on the edge of the path passed. The information collected is also made available to third parties, such as the police, for monitoring purposes.
  • From the DE 10338455 A1 a method is known in which in a motor vehicle, a camera receives the texts of traffic signs and this possibly analyzed and translated for the driver in another language.
  • The DE 19938266 A1 discloses a method for the optical recognition of traffic signs by means of pattern matching, wherein in the interpretation and image analysis, boundary conditions such as a specific sequence of traffic signs or certain environmental conditions are used to balance the plausibility.
  • From the DE 19736774 A1 is known a Assist device, which receives the images of traffic signs by means of a camera, analyzed and identified, for example, detects defaults on the maximum speed and warning the driver when exceeding the maximum speed and the last detected, valid traffic signs to prevent incorrect analysis of the driver visually displays.
  • The the last recognized traffic signs are stored in a database available retrievable.
  • From the British Patent Application 2366894 is known an assisting device, which determines the applicable maximum speed specifications and delivers warning signals to the driver when the maximum speed is exceeded.
  • The DE 10017321 A1 generally describes the detection of traffic signs optically or via other types of signals in order to make the corresponding specifications accessible to the driver. In particular, a camera with an image analysis device is described.
  • From the French application 2848710 is a speed monitor with balises known to be passable along a Route are distributed and transmit to the vehicle information about applicable requirements. A corresponding receiver in the vehicle decodes the specifications and sends a warning if, for example, speed specifications are exceeded. It may also be provided to automatically reduce the speed.
  • The DE 19938267 A1 shows an assistance system in which traffic signs are stored in an electronic map and the detection of traffic signs is also provided by motor vehicles to complete the corresponding database. The driver is given in each case the opportunity to correct incorrectly recognized traffic signs.
  • The DE 29609922 U1 generally discloses a method for the optical recognition of traffic signs.
  • The European patent application EP 1271446 A1 discloses a method of alerting a driver when the vehicle is approaching a speed control device and the permitted maximum speed is exceeded. Both the position of speed control devices and the respective behavioral requirements in their environment are taken from a database after the current location of the motor vehicle has been determined by means of a localization procedure.
  • A similar procedure is also the EP 1266238 D1 to derive both the distribution of speed control devices and the applicable maximum speeds are taken from a database and disclosed in approaching a speed control device both the maximum speed and the presence of the control device to the driver by the method disclosed therein.
  • From the WO 2005/093683 A1 For example, a method and a device are known which permit determination of the current location of the vehicle and, via a database, the allocation of applicable speed restrictions. The actual speed and other parameters of the vehicle operation are currently being measured and warned of currently applicable speed limits ahead of the line.
  • The mentioned methods and devices is the disadvantage common to the driver currently applicable or imminent Speed restrictions or similar requirements only during operation of the motor vehicle or the corresponding Assistance facility be provided. The However, update of appropriate data needs due to Startup procedures some time, so especially when restarting a vehicle, for example, when driving on after stopping the vehicle in a parking lot, the data is not immediately available stand.
  • Of the present invention is the object of the driver of a Motor vehicle as comprehensive and complete as much as possible with information about behavioral requirements to supply in traffic.
  • The Task is according to the invention with the features of claim 1 and of claim 9 solved.
  • The Assistance device according to the invention is in the Able to behavioral requirements by means of the processing device determine the location of the vehicle apply, such as top speeds or a passing ban. The accordingly determined and valid Defaults are stored in a permanent storage device, the data even in the resting state of the vehicle or receives the assistance and thus is able to a restart of the vehicle, for example when restarting after a temporary shutdown of the vehicle, the Provide data without delay. Thus, for example, after a break during a Highway travel the maximum speed limit in the section of highway, is retracted, directly available from the driver. The same applies to partial overtaking bans.
  • Usually Although the redetermination of behavioral requirements may be possible if this is done by querying a database after discovery of the current whereabouts happens or it is wholly impossible if the assistive device is only on the optical or radio identification of traffic signs is dependent on the roadside. By the invention thereby resulting problems are avoided and the situation that the applicable behavioral requirements are not available are, do not occur. It can thus be by the inventive Assistance device in a simple way a rule compliant driving behavior realize.
  • In an advantageous embodiment of the invention can be provided that the processing means a first detection means for Detection and detection of traffic signs has.
  • There are thus directly traffic signs such as traffic signs on the roadside recognized. This is possible according to the invention either by an optical recognition by means of an electronic camera which is coupled to an image recognition system or an image analysis device or by means of a radio signal receiver which receives and decodes corresponding radio signals emitted by the traffic signals.
  • It For example, it would also be conceivable that by means of a communication between a vehicle and a traffic sign with a transponder connection Traffic signs are detected.
  • to Identification of individual traffic signs may be the detection device have a database or have access to a database that the comparison with stored data and thus the identification of traffic signs. The corresponding database can be inside the vehicle or even centrally fixed and then over a remote connection be provided accessible.
  • It can advantageously also be provided alternatively that the processing device a location device for determining current location coordinates of the vehicle and an allocation device for the assignment of Presets stored in a database about the current whereabouts.
  • In In this case, the localization device serves, for example, in Form of a GPS system or equivalent satellite positioning system, given the current location of the vehicle determine by appropriate coordinates and with appropriate Coordinate coordinates of a database that is location-dependent Behavioral requirements for road traffic.
  • On This way, the whereabouts of the vehicle a corresponding Default such as a locally applicable highest permissible speed.
  • Also said database can either be within the vehicle or the establishment or fixed and remotely accessible be provided.
  • is can determine a behavioral requirement as currently valid these in a permanent storage device inside the vehicle, advantageous in the form of a semiconductor memory, deposited. It is also storing on a digital storage hard disk conceivable. In particular, it is advantageous if the permanent storage device regardless of a power supply receives the data.
  • The Assistance device according to the invention can be advantageous have a display device that is independent of the operating state the vehicle displays a stored behavioral preference.
  • There It is particularly favorable if the appropriate transmission the information to the driver even when the vehicle is at rest or the assistance organization, it brings advantages, to provide particularly energy-saving displays such as an organic LED display or an LCD display.
  • The This invention refers to an assistant device also to a method for operating a motor vehicle, in which locally limited behavioral prescriptions to a current one Whereabouts of the motor vehicle are determined and at hiring the operation of the motor vehicle, the currently valid behavioral requirements stored in a permanent storage device.
  • Advantageous can then in the method according to the invention be provided that immediately upon restarting the Motor vehicle transmitted the stored specifications to the driver of the motor vehicle become.
  • The Behavioral requirements can be advantageous based on traffic signs determined by means of a camera and an image analysis device or on the basis of radio signals with limited range or by means of a transponder system by means of an electric radio device.
  • The The invention also relates to a method in which the behavioral requirements by means of a location system, the determination of the current whereabouts of the motor vehicle and the assignment of behavioral requirements a database of this current location.
  • in the The following is the invention with reference to an embodiment shown in a drawing and then described.
  • there shows
  • 1 schematically the view of a motor vehicle with an assistant device according to the invention;
  • 2 the schematic view of a motor vehicle with another embodiment of the Assistenzeinrichtung;
  • 3 schematically a process representation according to the invention for the determination and display of behavioral requirements and
  • 4 a process representation of the procedure when commissioning a motor vehicle.
  • 1 schematically shows the Assistenzeinrichtung with a processing device 1 for determining behavioral requirements in road traffic, wherein the processing device is a camera 2 that faces forward in the direction of travel 3 the vehicle is aligned and suitable for receiving traffic signs, such as traffic signs, is suitable. The corresponding optical representations are made by the camera 2 recorded and by means of a detection device 4 analyzed, recognized and derived behavioral prescription in a permanent storage device 5 saved.
  • The behavioral prescription is displayed in a display device 6 displayed to the driver, but can alternatively or additionally be communicated via an acoustic signal.
  • The detection device 4 can, for example, via a database 7 with representations of traffic signs that allows a pattern comparison, based on which the traffic sign can be detected and identified.
  • Alternatively or additionally, a radio device may be provided which is connected to the detection device 4 connected or integrated into it and which has an antenna 8th with a stationary device 9 Contact receives, which also has a transceiver 10 and a database 11 and enables or facilitates the pattern matching with images of traffic signs stored in the database. For this purpose, the captured images of the vehicle can be transmitted by radio or templates from the stationary device 9 be transmitted to the vehicle.
  • Additionally, there may be an administrative facility 12 be provided, are stored in the data about the vehicle and / or the driver and / or the current location or the country of the vehicle.
  • These allow a closer determination of how certain traffic signs are to be interpreted, for example in speed limits for vehicles with trailers can be deposited here whether the vehicle is currently using a trailer leads itself.
  • It Behavioral requirements may also be provided by Data of the driver, such as age-dependent Speed restrictions or speed restrictions, which depend on the type or age of the driver's license.
  • These data may be used by the processing device in displaying the applicable behavioral presets in the display device 6 be taken into account.
  • In addition, the processing device with a speed sensor 13 For example, a speed sensor on the wheels of the vehicle or be connected directly to a speedometer to check at least compliance with speed specifications directly and possibly warn the driver directly in case of excesses.
  • The permanent storage device 5 allows the display of behavioral presets in the display device 6 even before commissioning of the assistance device, for example when starting the vehicle. Even in the event of a failure of the assistance facility, the display can 6 still be operated for some time, but it should be added after a short time by a note that the displayed requirements are likely to be out of date, for example, by flashing the display.
  • In the 2 an assistant device is shown with a processing device whose detection device is predominantly independent of a camera and with a localization device 14 works, for example, by means of an antenna 15 Receives satellite signals and determines therefrom coordinates for the current location of the vehicle. By means of the detection device 16 The position data can be included in a database 17 stored data for locally applicable behavioral requirements and from this the currently applicable behavioral requirements are derived.
  • Optionally, a connection by means of a radio device 18 . 19 to a stationary database 20 that transmits to the vehicle the behavioral requirements for the respective coordinates, such as maximum speeds and / or overtaking bans.
  • The corresponding specifications are stored in a permanent storage device 5 stored and in a display device 6 displayed to the driver.
  • The detection device 16 can also use a speed sensor 21 be connected, which monitors compliance with at least the applicable maximum speed directly and emits a warning or warning signal when exceeding, for example, in a display device. It is also conceivable that a detection device is based solely on The reason for this is the fact that radio signals, which are emitted, for example, by roadside traffic signs, determine and further process the currently applicable behavioral requirements.
  • 3 contains a process representation for the determination and display of behavioral requirements, which is intended to illustrate the invention further. The following steps are provided: first, in a first step 22 captures an image of a traffic sign by means of a camera. In a second step 23 is detected that it is a traffic sign and in a third step 24 this is done by comparison 25 identified with a database and linked to an actual behavioral preference, such as:
    "Top speed = 50 km / h".
  • In a fourth step 26 Then the behavioral default is stored in a permanent storage device and in a fifth step in a display device 6 displayed to the driver.
  • Steps four and five can also be performed simultaneously or, for example, storage in a permanent storage device within the display device 6 respectively.
  • All in all can also be the detection device at least partially in the vicinity, for example, in the same housing as the display device be arranged to save space.
  • Finds the determination of behavioral requirements by means of a localization facility according to 2 instead, for example, the detection device can be completely or partially integrated in a GPS system.
  • In the 4 the process is shown at the start of the motor vehicle or the Assist device, wherein in an initial step 28 the vehicle or the Assistance device is communicated that the commissioning is imminent, for example, by pressing an ignition lock or door locks mechanically or by means of a remote control. In a continuation step 29 then can the permanent storage device 5 read out and the corresponding data can be displayed in a display device 6 are displayed. After that, in a continuation step 30 the assistance facility is put into operation.
  • However, it can also be done in a parallel step 29a parallel to the read-out of the permanent storage device, the assistance device is already put into operation simultaneously.
  • The Invention allowed by delay-free available Make behavioral prescriptions to the driver a quick reaction and the consideration of the relevant specifications in particular when restarting the vehicle, so the probability Failure to observe traffic signs and thus also the accident risk can be lowered.
  • 1
    processing device
    2
    camera
    3
    direction of travel
    4, 16
    detection device
    5
    memory device
    6
    display
    7, 11, 17
    Database
    8th, 15
    antenna
    9
    stationary Facility
    10
    receiver
    12
    manager
    13 21
    speed sensor
    14
    localization device
    20
    stationary Database
    22 23, 24, 25 26, 28, 29, 29a, 30
    process steps
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
  • Cited patent literature
    • US 6845317 B2 [0008]
    • EP 1383098 A1 [0009]
    • - GB 2403838 A [0010]
    • FR 2849251 [0011]
    • DE 10338455 A1 [0012]
    • - DE 19938266 A1 [0013]
    • DE 19736774 A1 [0014]
    • - GB 2366894 [0016]
    • - DE 10017321 A1 [0017]
    • FR 2848710 [0018]
    • - DE 19938267 A1 [0019]
    • - DE 29609922 U1 [0020]
    • - EP 1271446 A1 [0021]
    • - EP 1266238 D1 [0022]
    • WO 2005/093683 A1 [0023]

Claims (13)

  1. Assistance device for a vehicle with a processing device ( 1 . 16 ) for determining locally limited behavioral requirements for a current location of the vehicle, characterized by a permanent memory device ( 5 ) for storing the defaults at rest of the vehicle.
  2. Assistance device according to claim 1, characterized in that the processing device ( 1 ) a first detection device ( 4 ) for the detection and detection of traffic signs.
  3. Assistance device according to claim 2, characterized in that the detection device ( 4 ) a camera ( 2 ) having.
  4. Assistance device according to claim 2, characterized in that the detection device ( 4 ) has a radio signal receiver.
  5. Assistance device according to claim 1, characterized in that the processing device ( 16 ) a localization device ( 14 ) for determining current location coordinates of the vehicle and an assignment device for the assignment of data in a database ( 17 . 20 ) stored specifications for the current whereabouts.
  6. Assistance device according to claim 1 or one of the following, characterized in that the permanent storage device ( 5 ) is a semiconductor memory.
  7. Assistance device according to claim 1 or one of the following, characterized in that the permanent storage device ( 5 ) is independent of a power supply.
  8. Assistance device according to claim 1 or one of the following, characterized by a display device ( 6 ), which displays a previously determined, valid, stored behavior specification, independently of the operating state of the vehicle and / or at least immediately before startup.
  9. Method for operating a motor vehicle, in which locally limited behavioral specifications for a current location of the motor vehicle are determined, characterized in that when the operation of the motor vehicle is stopped the currently valid behavioral specifications are stored in a permanent memory device ( 5 ) get saved.
  10. Method according to claim 9, characterized that immediately upon restarting the motor vehicle the stored specifications transmitted to the driver of the motor vehicle become.
  11. A method according to claim 10 or 11, characterized in that the behavioral requirements based on traffic signs by means of a camera ( 2 ) and an image analysis device.
  12. Method according to claim 10 or 11, characterized that the behavioral requirements based on radio signals with limited Range or a transponder system by means of an electronic Radio device to be determined.
  13. A method according to claim 10 or 11, characterized in that the behavioral requirements by the determination of the current location of the motor vehicle and the assignment of behavioral requirements from a database ( 11 . 17 . 20 ) to this current location.
DE102008007686A 2008-02-06 2008-02-06 Driver assistance device for vehicle i.e. motor vehicle such as automobile, has permanent storage device i.e. semiconductor memory, storing locally limited valid characteristics inputs in vehicle rest condition Withdrawn DE102008007686A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102008007686A DE102008007686A1 (en) 2008-02-06 2008-02-06 Driver assistance device for vehicle i.e. motor vehicle such as automobile, has permanent storage device i.e. semiconductor memory, storing locally limited valid characteristics inputs in vehicle rest condition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008007686A DE102008007686A1 (en) 2008-02-06 2008-02-06 Driver assistance device for vehicle i.e. motor vehicle such as automobile, has permanent storage device i.e. semiconductor memory, storing locally limited valid characteristics inputs in vehicle rest condition

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DE102008007686A1 true DE102008007686A1 (en) 2009-08-13

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
DE102012102317A1 (en) 2012-03-20 2013-09-26 Conti Temic Microelectronic Gmbh Method for operating driver assistance system of vehicle, involves outputting information over relevant road signs to driver by output device, and converting traffic sign specified sizes in defined unit based on determined reference state
DE102014225038A1 (en) * 2014-12-05 2016-06-09 Bayerische Motoren Werke Aktiengesellschaft Speed assist for a motor vehicle

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