Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/16—Anti-collision systems
  • G08G1/164—Centralised systems, e.g. external to vehicles
• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/16—Anti-collision systems
• • 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
  • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits

Definitions

• the invention relates to a method and a system for operating a driver assistance system.
• the invention further relates to a method and a system for processing vehicle environment data.
• the invention also relates to a computer program.
• Patent EP 0 921 509 B1 discloses a method for generating a geographical database.
• several vehicles sensory capture a corresponding vehicle environment and send the resulting data to a central database.
• the database is then updated based on this vehicle environment data.
• the object underlying the invention can be seen to provide an improved method for operating a driver assistance system of a vehicle.
• the object underlying the invention can also be seen to provide a corresponding system for operating a driver assistance system of a vehicle.
• the object underlying the invention can also be seen to provide an improved method and system for processing vehicle environment data.
• the object underlying the invention can also be seen to provide a corresponding computer program.
• a method for operating a driver assistance system of a vehicle is provided.
• a vehicle environment is detected.
• corresponding vehicle surroundings data are then formed, which are sent to a server.
• the server evaluates the transmitted vehicle environment data.
• a corresponding result of this evaluation is then sent to the vehicle in order to operate the driver assistance system as a function of the result.
• a method of processing vehicle environment data is provided. Multiple sets of vehicle surroundings data are received, wherein the plurality of sets of vehicle surroundings data are evaluated to form a set of reference data, which may also be referred to as reference route data.
• a system for operating a driver assistance system includes a receiver for receiving vehicle environment data. Furthermore, an evaluation device is provided for evaluating the vehicle environment data. The system further comprises a transmitter for transmitting a result corresponding to the evaluation to the vehicle for operating the driver assistance system as a function of the result.
• a system for editing vehicle environment data includes a receiver for receiving a plurality of sets of vehicle surroundings data. Furthermore, an evaluation device is provided, which can evaluate the multiple sets of vehicle surroundings data. The evaluation device is also set up, a set of Form reference data or reference route data based on the evaluated sets of vehicle environment data.
• a computer program comprising program code for executing the method of operating a driver assistance system and / or the method of processing vehicle surroundings data when the computer program is run on a computer.
• the invention thus encompasses in particular the idea of detecting a vehicle environment by means of a driver assistance system.
• the driver assistance system in particular one or more sensors, which are preferably the same or different formed.
• the sensors can be, for example, radar sensors or ultrasound sensors.
• the sensors can also be video sensors of a video camera. Which are taken from the
• Vehicle environment data resulting vehicle environment data are then sent to a server.
• a server is preferably an external server.
• external is meant in particular the area outside the vehicle. This means that such an external server is located outside the vehicle.
• the server evaluates the transmitted vehicle environment data and then sends a result corresponding to the evaluated vehicle environment data back to the vehicle. Depending on the result, the driver assistance system is then operated, in particular controlled, in an advantageous manner.
• any evaluation device of the driver assistance system that may be present can be made weaker with regard to its computing power. Furthermore, the evaluation of the vehicle environment data is on the
• an external server usually also has access to further data sources, for example, the server has access to vehicle environment data, which is available from further vehicles were sent. This further information can then be taken into account advantageously in the evaluation, so that a result adapted to the corresponding situation can be formed, which is then sent to the vehicle.
• driver assistance system which is initially designed to intervene brakingly at an increased speed in a curve, can now also be designed to adapt a light cone of headlights to the curvature of the curve accordingly.
• the invention further includes the idea of receiving multiple sets of vehicle surroundings data.
• the server evaluates the plurality of sets of vehicle surroundings data to form a set of reference route data therefrom.
• This reference route data may then preferably be made available to the vehicles.
• a driver assistance system can be operated, in particular controlled, based on the set of reference route data.
• the driver assistance system thus receives not only its own sensed sensor data as a basis for its decision as to whether it intervenes in a driving operation, but also corresponding vehicle surroundings data of other vehicles.
• these may have provided more accurate or up-to-date vehicle environment data to the server such that the set of reference route data formed therefrom is more accurate and up to date than its own set of vehicle surroundings data.
• An improved operation or control of the driver assistance system can thus be made possible in an advantageous manner. This also advantageously increases vehicle safety.
• Vehicle environment data in the sense of the present invention in particular comprise information about physical features or characteristics of the route, such as a curve curvature, a slope, an inclination, a number of lanes, a width of the lanes.
• Vehicle environment data include, in particular, information about physical or physical objects, which are arranged next to, on or on the track such as traffic signs, boundary posts or signal systems.
• the vehicle surroundings data are each assigned a vehicle surroundings position, which in particular includes the information about the position at which the physical feature or the property or the physical objects are located. Such a position can for example also be drawn in relation to a digital map.
• reference route data is formed based on the vehicle surroundings data
• the reference route data also includes the corresponding information about physical characteristics or characteristics of the route and / or information about physical objects.
• these reference route data advantageously form a reference to which the vehicles can refer.
• the vehicle surroundings data are sent to the server as a function of a situation threshold assigned to a driving situation.
• a situation threshold in the sense of the present invention comprises in particular information about a specific situation in which the vehicle is currently located.
• the situation threshold value describes the corresponding vehicle situation. For example, only when the situation threshold exceeds a predetermined value does the vehicle environment data be sent to the server for evaluation. Otherwise, it may be provided that the vehicle surroundings data are evaluated in the driver assistance system itself and not sent to the server.
• situation-adapted an evaluation of the vehicle environment data can be made, which allows an even more efficient operation of a driver assistance system.
• electrical energy is advantageously saved if the vehicle surroundings data are not sent to the server, but are evaluated locally in the driver assistance system itself.
• a situation may be described as follows.
• a vehicle is in front of a bend. There are several more vehicles in front of the vehicle.
• Another situation may for example be described as follows: The vehicle is on a multi-lane road, where
• Boundary posts are missing. In particular, it can be provided that from a certain complexity of the situation the vehicle environment data is sent to the server.
• the result comprises a control signal for a vehicle component which can be controlled by means of the driver assistance system.
• the external server can control the driver assistance system.
• a response time of the driver assistance system can advantageously be reduced in comparison to the case where only one result is sent to the driver assistance system, since the driver assistance system would still have to independently generate corresponding control signals for the individual vehicle components based on the result.
• a vehicle component may include, for example, a drive system, a brake system, a steering system, a suspension system, and / or a lighting system.
• the vehicle component may in particular also be a transmission control, an actuator, a signaling device, a light control, a brake system, a brake modulation system or a vehicle steering system. It can also be provided several vehicle components, which may be formed in particular the same or different.
• evaluating the plurality of sets of vehicle surroundings data comprises aggregating the vehicle surroundings data.
• aggregating means that the vehicle surroundings data are grouped together in order to advantageously present them in a clearer manner and to facilitate their interpretation. Furthermore, a corresponding further evaluation of such aggregated data is facilitated, so that a more efficient evaluation is made possible here.
• the evaluating may include associating the vehicle surroundings data from a measurement with vehicle surroundings data from another measurement.
• the vehicle surroundings data are preferably provided with corresponding weighting factors. Consolidated measured values can then be determined from the linked vehicle environment data, by means of which the reference data are then formed.
• the evaluation comprises averaging the vehicle environment data. This means, for example, that when different positions have been assigned to a physical object, an averaging over the several positions is performed here, so that then in the set of reference distance data an average position is assigned to this physical object.
• the vehicle surroundings data are preferably weighted before the means, that is to say in particular provided with a weighting factor.
• the evaluation comprises assigning a sensor weighting factor to the vehicle surroundings data in FIG.
• a sensor quality factor may include the information of what type or type of sensor is, whether it is a radar or ultrasonic sensor, for example, or what range the sensor has.
• the vehicle environment data thus include in particular this aforementioned information.
• a sensor weighting factor is assigned to the vehicle surroundings data, in which case the evaluation is carried out in particular also based on the sensor weighting factor. For example, during the evaluation it can be taken into account in particular whether the vehicle surroundings data correspond to a vehicle environment which was detected by means of a long-range radar sensor or by means of a short-range ultrasonic sensor or by means of a sensor system described below. An evaluation and thus also forming the set of reference route data are thus considerably improved.
• a sensor system may be provided for detecting the vehicle surroundings, which sensory detect a vehicle environment and in particular can form corresponding sensor data.
• a sensor system may include, for example, a video sensor, in particular a stereo video sensor.
• a sensor system may preferably have an SD
• the sensor system may comprise a 360 ° camera, which may also include a lidar and / or a radar and / or an ultrasound sensor.
• the sensor system preferably comprises a time-of-flight (TOF) sensor. time method can be used.
• the environmental sensor system may also include a photonic mixer (PMD) sensor. In English, such a photo-mixing detector sensor is also called a "photonic mixing device" sensor. If the sensor system in particular senses a vehicle environment, for example, it can also be referred to as an environmental sensor system.
• the evaluating may include associating the vehicle surrounding field data associated with a sensor weighting factor with other vehicle surrounding field data associated with another sensor weighting factor. That means, in particular, that vehicle surroundings data, which were formed by means of a sensor, are linked to the other vehicle surroundings data, which were formed by means of the other sensor.
• the evaluation comprises assigning a time weighting factor to the vehicle surroundings data as a function of a time attribute assigned to the vehicle surroundings data.
• a time attribute in the sense of the present invention comprises the information as to when the vehicle surroundings data were formed or when the vehicle surroundings were sensed.
• the vehicle timing data which is more recent in terms of timing, are taken into greater account than the vehicle environment data which is older in time.
• a correspondingly formed set of reference route data is thus advantageously up-to-date.
• the system for operating a driver assistance system and the system for processing vehicle surroundings data are formed as a common system.
• the corresponding evaluation device, the transmitter and the receiver provide both functionalities of the respective systems.
• FIG. 1 shows a system for operating a driver assistance system
• 2 shows a vehicle with a driver assistance system and the system from FIG. 1,
• FIG. 1 shows a system for operating a driver assistance system
• FIG. 4 shows a plurality of vehicles each having a driver assistance system and the system from FIG. 3, FIG.
• FIG. 5 is a flowchart of a method for operating a driver assistance system of a vehicle
• FIG. 6 is a flowchart of a method for processing vehicle environment data.
• the system 101 shows a system 101 for operating a driver assistance system (not shown) of a vehicle (not shown).
• the system 101 includes a receiver 103 for receiving vehicle surroundings data.
• the system 101 further comprises an evaluation device 105, which can evaluate the received vehicle surroundings data.
• a transmitter 107 is provided, which can send a result corresponding to the evaluation to a vehicle in order to operate the driver assistance system as a function of the result.
• FIG. 2 shows a vehicle 201 with a driver assistance system 203.
• a vehicle environment is sensed.
• radar, ultrasound and / or video sensors can be provided for this purpose.
• the vehicle environment data formed therefrom is sent to the system 101. This transmission is shown symbolically by means of a wavy arrow with the reference numeral 205.
• the system 101 evaluates the sent vehicle environment data by means of its evaluation device 105.
• a result is sent by the transmitter 107 to the driver assistance system 203.
• This transmission is shown here symbolically in FIG. 2 with a corrugated arrow with the reference numeral 207.
• the Vehicle 201 in particular a transmitter and receiver, not shown here.
• 3 shows a system 301 for processing vehicle surroundings data.
• the system 301 includes a receiver 303 for receiving a plurality of sets of vehicle surroundings data.
• the system 301 further comprises an evaluation device 305 for evaluating the plurality of sets of vehicle surroundings data, wherein the evaluation device 305 is further configured to form a set of reference route data based on the evaluated sets of vehicle surroundings data.
• FIG. 4 shows a plurality of vehicles 401, each with a driver assistance system 403.
• a driver assistance system such as, for example, video, radar, and / or ultrasound sensors of the driver assistance system
• the vehicle environment is sensed and sent corresponding vehicle environment data to the system 301.
• This transmission is shown here symbolically by means of corrugated arrows with the reference numeral 405.
• the evaluation device 305 of the system 301 evaluates the plurality of sets of vehicle surroundings data and forms a set of reference route data based thereon.
• This reference route data can then be made available in particular to the vehicles 401 in order, in particular, to operate, in particular to control, the respective driver assistance system 403, in particular as a function thereof.
• corresponding receivers and transmitters which are not shown here for the sake of clarity, may be provided in the vehicles 401.
• a vehicle environment is detected.
• vehicle surrounding field data corresponding to the detected vehicle environment is sent to a server.
• the transmitted vehicle environment data is evaluated by means of the server.
• a result corresponding to the evaluated vehicle surroundings data is sent to the vehicle to operate the driver assistance system of the vehicle depending on the result.
• FIG. 6 shows a flowchart of a method for processing vehicle surroundings data.
• a step 601 multiple sets of vehicle surroundings data are received.
• the plural sets of vehicle surroundings data are evaluated in a step 603 to form a set of reference route data.
• the evaluation comprises an aggregation of the vehicle environment data.
• the evaluation may also include averaging of the vehicle surroundings data.
• the invention therefore in particular includes the idea of connecting sensors, in particular environmental sensors, of a driver assistance system to an external server via a data connection.
• the environment sensor system can advantageously make a request to the external server.
• suitable object and situation data in particular the vehicle environment data, are transmitted to the external server.
• the external server can then preferably evaluate the data with current algorithms and / or align with database information. The result is then transmitted back to the environment sensors or the environmental sensor system in order to operate, in particular to control, the driver assistance system in particular.
• the data transmitted to the external server is available as a database for the further development and validation of functions and algorithms.
• the vehicle owner in particular benefits from the sensors and driver assistance system functions in the vehicle, which are further developed and updated over the service life, as well as from the situation data, in particular vehicle surroundings data of other users and / or vehicles, which he can then use for his driver assistance system functions.
• algorithmic updates and / or data updates after successful validation in the server to the sensor are transmitted, in particular to a corresponding software in the driver assistance system in an advantageous manner To update.
• the communication between a driver assistance system and a system for operating a driver assistance system and / or a system for processing vehicle surroundings data by means of mobile data transmission methods such as Long Term Evolution (LTE) or in particular future mobile data transmission methods, in particular data transmission methods , which are based on the LTE method, is performed.
• LTE Long Term Evolution
• data transmission methods which are based on the LTE method
• the data transmission is encrypted.
• the vehicle environment data is added to a second database for development purposes and / or, if appropriate, in particular an error message is transmitted to the sensor. If a solution is found in the context of the further development of the relevant driver assistance system function, the data record with the solution is transferred to the corresponding knowledge database of the server and, if necessary, an update of the evaluation algorithm is carried out.
• a data transmission can preferably take place, for example, through an interface to a mobile radio terminal in the vehicle, for example a mobile phone with a suitable program, in particular a suitable app.
• a mobile radio terminal in the vehicle for example a mobile phone with a suitable program, in particular a suitable app.
• the sensor architecture installed in the vehicle that is to say in particular the sensor system of the driver assistance system, gets its own mobile radio device, if appropriate in particular with its own SIM card.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• Atmospheric Sciences (AREA)
• Traffic Control Systems (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2011
  • 2011-10-11 DE DE102011084275A patent/DE102011084275A1/de active Pending
• 2012
  • 2012-08-24 CN CN201280050207.9A patent/CN103890824B/zh active Active
  • 2012-08-24 WO PCT/EP2012/066509 patent/WO2013053527A1/de active Application Filing
  • 2012-08-24 EP EP12751499.0A patent/EP2766891A1/de not_active Ceased
  • 2012-08-24 US US14/348,474 patent/US20140358412A1/en not_active Abandoned

Non-Patent Citations (2)

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