EP3008710A1 - Verfahren zur unterscheidung zwischen echten hindernissen und scheinhindernissen in einem fahrerassistenzsystem für kraftfahrzeuge - Google Patents
Verfahren zur unterscheidung zwischen echten hindernissen und scheinhindernissen in einem fahrerassistenzsystem für kraftfahrzeugeInfo
- Publication number
- EP3008710A1 EP3008710A1 EP14719679.4A EP14719679A EP3008710A1 EP 3008710 A1 EP3008710 A1 EP 3008710A1 EP 14719679 A EP14719679 A EP 14719679A EP 3008710 A1 EP3008710 A1 EP 3008710A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- location
- obstacle
- obstacles
- stored
- radar
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/0008—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including means for detecting potential obstacles in vehicle path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/14—Adaptive cruise control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/165—Anti-collision systems for passive traffic, e.g. including static obstacles, trees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/02—Active or adaptive cruise control system; Distance control
- B60T2201/022—Collision avoidance systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
- B60T2210/30—Environment conditions or position therewithin
- B60T2210/36—Global Positioning System [GPS]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/93185—Controlling the brakes
Definitions
- the invention relates to a method for distinguishing between real obstacles and apparent obstacles in a driver assistance system for motor vehicles, which have a location system for determining one's own location and a radar sensor for measuring distances and relative speeds of radar targets.
- Electronic driver assistance systems which, on the basis of information supplied in particular by the radar sensor, assist the driver in the guidance of the vehicle, for B. by issuing a warning in case of acute accident or automatically trigger an intervention in the form of emergency braking.
- the driver assistance system By comparing the relative speed of a located object with the speed of the own vehicle, the driver assistance system is able to distinguish between absolutely (relative to the roadway) stationary objects and moving objects. divorce. In the case of moving objects on the road, whose relative speed is negative (that is, approaching), it can generally be assumed that they are real obstacles. For standing radar targets, however, the distinction is difficult. Although evaluation algorithms have been developed that allow an additional plausibility check of the obstacles, these algorithms do not work reliably in all situations.
- the object of the invention is to provide a method that allows a simpler, faster and more reliable distinction between real obstacles and apparent obstacles.
- This object is achieved in that location information for radar targets recognized as bogus obstacles is stored in a database, and that the driver assistance system, when it detects a stationary radar target at a specific location, queries the database as to whether a bogus obstacle has been stored for this location ,
- the invention takes advantage of the fact that most motor vehicles equipped with a driver assistance system today also have a positioning system, for example a GPS navigation system, which allows the determination of the vehicle's own location. With the aid of this location system, it is also possible to determine the locations of the objects detected by the radar sensor at the current time so accurately that they can be compared with the location data stored in the database. If the query in the database shows that a bogus obstacle is already stored for the location in question, then the currently located stationary radar target can be reliably qualified as a bogus obstacle, and a false warning or a mishandling can be avoided.
- a positioning system for example a GPS navigation system
- the request is preferably carried out in the database before further processing steps are carried out for closer plausibility checking or verification of the detected stationary radar target. If the query reveals that the radar target is a dummy obstacle then computationally expensive further processing steps can be saved.
- the method can also be used to detect any blindness of the radar sensor and / or to check the accuracy of the positioning system.
- the database containing the bogus obstacles may be on board the vehicle equipped with the driver assistance system.
- new bogus obstacles can always be stored when the vehicle first travels the route on which the bogus obstacle is located.
- the radar sensor will then locate the bogus obstacle and either by a failed verification or at the latest when the alleged obstacle is then run over by the vehicle, the driver assistance system can recognize that it is a bogus obstacle. In this way, the driver assistance system thus "learns" the apparent obstacles present on any routes so that they no longer lead to false warnings or incorrect interventions.
- a bogus obstacle can of course be stored if the driver assistance system has actually triggered a false warning or a misoperation and this has been corrected by active intervention of the driver.
- the database is not on board the vehicle, but on a server that communicates with the driver assistance system in the vehicle through a wireless communication network (mobile radio with Internet access, WLAN or the like).
- a wireless communication network mobile radio with Internet access, WLAN or the like.
- the location data of obstructions that have been detected and reported by other vehicles may also be available in the database, so that for all participating vehicles substantially full more information about the bogus obstacles is available and can already be used by a single vehicle when this vehicle travels the route concerned.
- a database on a fixed server that communicates with local databases aboard the vehicles involved.
- the less extensive database aboard the vehicle may then be updated from time to time depending on the current location of that vehicle, for example, whenever there is a suitable data connection to the server.
- the method is not limited to radar sensors in the actual sense, but mutatis mutandis applicable to Lidarsysteme.
- FIG. 1 is a block diagram of a driver assistance system for motor vehicles; and FIG. 2 is a flowchart for explaining the operation of the driver assistance system in the detection of obstacles.
- the driver assistance system shown in FIG. 1 has an electronic control unit 10 with a processor or a plurality of processors, which receives and evaluates data from a radar sensor 12 and / or a video camera 14.
- the radar sensor 12 is, for example, an in-vehicle FMCW radar used to measure the distances and relative speeds of preceding vehicles and other obstacles on the road.
- the control unit 10 also receives from an in-vehicle speed sensor (not shown) information about the airspeed of the vehicle equipped with the driver assistance system.
- the relative speed of an object located by the radar sensor 12 coincides in magnitude with the airspeed, it can thus be established in the control unit that it is located at the location Object is a stationary object, for example, a traffic sign or guard rail posts on the edge of the road or even an object such as a manhole cover or a stationary vehicle on the road.
- the driver assistance system described here has another assistance function, which is to issue a warning message to the driver or active to initiate emergency braking when a collision with an obstacle located by the radar sensor 12 threatens.
- the assistance system also has an output unit 16 which is capable of issuing a warning to the driver via a human / machine interface with a display and / or a loudspeaker, and possibly also an active intervention in the brake system of the vehicle allowed.
- the video camera 14 is installed in the vehicle so as to monitor the apron of the vehicle.
- the image information supplied by the video camera is evaluated in the control unit 10 by image processing software and can be used, for example, as part of a lane keeping assistance function.
- the data of the video camera 14 allow to verify the data provided by the radar sensor 12 when it has located a supposed obstacle.
- the radar sensor 12 reports a stationary object on the roadway and indicates the approximate location of this object due to the distance measurement and its angular resolution
- the object existing at this location can be qualified by evaluating the video image, and it can be differentiated in particular whether it is a real obstacle such as a parked vehicle or a bogus obstacle such as a manhole cover, which, although a radar echo triggers, but can be run over easily by your own vehicle.
- This controller 10 also communicates with a GPS-based location system (navigation system) 18 and an interface 20 to a mobile data network and with a local database 22.
- a GPS-based location system navigation system
- the radar sensor 12 reports a stationary radar target on the roadway, but the destination based on the data of the video camera - ra 14 can not be verified as a real obstacle, it is determined using the positioning system 18, the current location of the own vehicle.
- the controller 10 then causes this location information to be stored in the database 22. Then, when the vehicle next time travels the same route and the radar sensor 12 locates the bogus obstacle, so the costly verification based on the data of the video camera 14 can be omitted, and it is determined only on the basis of the entry in the database 22, that in this place a radar target that is not a real obstacle.
- the entry stored in the local database 22 is additionally transmitted to an external database 24, which is stored on a stationary server.
- an external database 24 which is stored on a stationary server.
- FIG. 2 illustrates a typical process flow with reference to a flowchart.
- the controller 10 determines, based on the data provided by the radar sensor 12, whether a stationary target has been detected in the driving line (i.e., in the predicted road). As long as this is not the case, the step S1 is repeated periodically at short time intervals. If a stationary destination is detected, in step S2 a query is made in the databases 22 and 24 as to whether a location obstacle is stored for the location where the vehicle is currently located. Optionally, instead of the location of the own vehicle and the location of the apparent obstacle itself can be stored and queried, which can be determined using the distance and direction data of the radar sensor closer.
- step S3 If the database query indicates that a bogus obstacle has already been stored for this location, the target currently located by the radar sensor is identified with the bogus obstacle in step S3, and a return is made to step S1.
- step S4 a verification algorithm is carried out by the control unit in step S4, in which an attempt is made to detect the detected radar target, which is now regarded as a potential obstacle. be verified by supplementary information of the radar sensor 12 and / or the video camera 14 as a real obstacle. If this verification is successful and, in addition, if the distance and speed data for this obstacle measured by the radar sensor indicate that a collision is to be feared, a warning is issued to the driver via the output unit 16. Depending on the urgency, emergency braking can also be triggered directly by intervention in the brake system.
- step S5 is skipped. In both cases, it is then checked in step S6 whether the obstacle has been falsified. If the verification in step S4 was unsuccessful, the falsification in step S6 may be, for example, that the alleged obstacle is run over by the own vehicle. It is clear that this was not a real obstacle. Likewise, the obstacle is falsified if a warning has been issued to the driver in step S5, but the driver has ignored this warning and then overrun the obstacle. Furthermore, the obstacle is falsified in step S6 if an emergency braking has been actively triggered in step S5, but the driver has actively canceled this braking operation OR falsifies if a camera recognizes that no relevant target object is present (for example Guilideckel).
- step S6 If the obstacle has been falsified in step S6, an entry is made in the databases 22 and 24 in step S7.
- this entry simply consists of a location, which implies that there is a bogus obstacle in this location.
- the location coordinates of the located apparent obstacle are stored or else the location coordinates which the own vehicle had at the time at which the radar target was first located by the radar sensor.
- other information about the obstacle can be stored in addition to the location data. For example, by evaluating the image supplied by the video camera, the type of apparent obstruction be specified so that then in the databases next to the location of the obstacle and the relevant obstacle class can be stored.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310210928 DE102013210928A1 (de) | 2013-06-12 | 2013-06-12 | Verfahren zur Unterscheidung zwischen echten Hindernissen und Scheinhindernissen in einem Fahrerassistenzsystem für Kraftfahrzeuge |
PCT/EP2014/057696 WO2014198441A1 (de) | 2013-06-12 | 2014-04-16 | Verfahren zur unterscheidung zwischen echten hindernissen und scheinhindernissen in einem fahrerassistenzsystem für kraftfahrzeuge |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3008710A1 true EP3008710A1 (de) | 2016-04-20 |
Family
ID=50588659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14719679.4A Ceased EP3008710A1 (de) | 2013-06-12 | 2014-04-16 | Verfahren zur unterscheidung zwischen echten hindernissen und scheinhindernissen in einem fahrerassistenzsystem für kraftfahrzeuge |
Country Status (6)
Country | Link |
---|---|
US (1) | US10031225B2 (de) |
EP (1) | EP3008710A1 (de) |
JP (1) | JP6254690B2 (de) |
CN (1) | CN108028017B (de) |
DE (1) | DE102013210928A1 (de) |
WO (1) | WO2014198441A1 (de) |
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DE102015111925B4 (de) * | 2015-07-22 | 2021-09-23 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Spurhalteassistenzsystem für ein Fahrzeug |
DE102015116574A1 (de) | 2015-09-30 | 2017-03-30 | Claas E-Systems Kgaa Mbh & Co Kg | Selbstfahrende landwirtschaftliche Arbeitsmaschine |
DE102015116586A1 (de) | 2015-09-30 | 2017-03-30 | Claas E-Systems Kgaa Mbh & Co Kg | Selbstfahrende landwirtschaftliche Arbeitsmaschine |
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US9889716B2 (en) * | 2016-02-03 | 2018-02-13 | Ford Global Technologies, Llc | Roadway-crossing-anomaly detection system and method |
DE102016204805A1 (de) | 2016-03-23 | 2017-09-28 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Vorrichtungen zum Bereitstellen von Daten für ein Fahrerassistenzsystem eines Kraftfahrzeugs |
US10120385B2 (en) | 2016-03-30 | 2018-11-06 | Intel Corporation | Comfort ride vehicle control system |
US10151830B2 (en) | 2016-09-14 | 2018-12-11 | Caterpillar Inc. | Systems and methods for detecting objects proximate to a machine utilizing a learned process |
LU100761B1 (en) * | 2018-04-03 | 2019-10-07 | Iee Sa | Method for obstacle identification |
DE102018210814A1 (de) * | 2018-06-30 | 2020-01-02 | Robert Bosch Gmbh | Verfahren zur Erkennung statischer Radarziele mit einem Radarsensor für Kraftfahrzeuge |
DE102018009434A1 (de) * | 2018-11-30 | 2020-06-04 | Zf Active Safety Gmbh | Steuerungssystem und -Verfahren für ein Kraftfahrzeug zur Verarbeitung von mehrfach reflektierten Signalen |
CN110046569B (zh) * | 2019-04-12 | 2022-04-12 | 北京百度网讯科技有限公司 | 一种无人驾驶数据处理方法、装置及电子设备 |
CN110827578B (zh) * | 2019-10-23 | 2022-05-10 | 江苏广宇协同科技发展研究院有限公司 | 一种基于车路协同的车辆防碰撞提示方法、装置及系统 |
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2013
- 2013-06-12 DE DE201310210928 patent/DE102013210928A1/de active Pending
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2014
- 2014-04-16 JP JP2016518877A patent/JP6254690B2/ja active Active
- 2014-04-16 US US14/897,579 patent/US10031225B2/en active Active
- 2014-04-16 EP EP14719679.4A patent/EP3008710A1/de not_active Ceased
- 2014-04-16 CN CN201480084705.4A patent/CN108028017B/zh active Active
- 2014-04-16 WO PCT/EP2014/057696 patent/WO2014198441A1/de active Application Filing
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DE102009017731A1 (de) * | 2008-04-30 | 2009-11-05 | Continental Teves Ag & Co. Ohg | Selbstlernende Karte auf Basis von Umfeldsensoren |
Non-Patent Citations (1)
Title |
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See also references of WO2014198441A1 * |
Also Published As
Publication number | Publication date |
---|---|
US10031225B2 (en) | 2018-07-24 |
CN108028017B (zh) | 2021-04-27 |
JP6254690B2 (ja) | 2017-12-27 |
WO2014198441A1 (de) | 2014-12-18 |
US20160139262A1 (en) | 2016-05-19 |
DE102013210928A1 (de) | 2014-12-18 |
CN108028017A (zh) | 2018-05-11 |
JP2016527602A (ja) | 2016-09-08 |
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