EP1989094A1 - Système d'assistance d'un conducteur - Google Patents

Système d'assistance d'un conducteur

Info

Publication number
EP1989094A1
EP1989094A1 EP07726412A EP07726412A EP1989094A1 EP 1989094 A1 EP1989094 A1 EP 1989094A1 EP 07726412 A EP07726412 A EP 07726412A EP 07726412 A EP07726412 A EP 07726412A EP 1989094 A1 EP1989094 A1 EP 1989094A1
Authority
EP
European Patent Office
Prior art keywords
assistance system
driver
display
traffic
information
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Withdrawn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
EP07726412A
Other languages
German (de)
English (en)
Inventor
Heinz-Bernhard Abel
Hubert Adamietz
Jens Arras
Hans-Peter Kreipe
Bettina Leuchtenberg
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 Automotive GmbH
Original Assignee
Continental Automotive GmbH
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 Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1989094A1 publication Critical patent/EP1989094A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B62D15/029—Steering assistants using warnings or proposing actions to the driver without influencing the steering system
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/146—Display means
    • 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • 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
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • 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
    • B60W30/10—Path keeping
    • B60W30/12—Lane keeping
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/04—Traffic conditions
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06—Road conditions
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal

Definitions

  • the invention relates to an assistance system for assisting a driver of a motor vehicle with a plurality of traffic-relevant visual data supplying outside and inside ⁇ sensors (video sources), a downstream of the external and internal sensors object detection unit, an evaluation logic for evaluating the output of the object recognition unit and output channels whose output signals inform the driver by means of a human-machine interface.
  • Such assistance systems are among the most recent developments in the automotive industry. Limited clear line of sight ⁇ ratios and gauges, glare, poor or no recognizable people, animals and surprising Hin ⁇ obstacles on the road among the most common accidents. Such systems, which are becoming increasingly important, support the driver in a borderline area of human perception and thus help to reduce the risk of accidents. Two so-called. Night vision systems of the previously mentioned type are described in the automotive technical paper 11/2005, born 107 professional articles published "integration" of Night- vision and head-up display ". This Veröffentli ⁇ chung, however, are not satisfied Vice end concepts inferred that describe what actions to perform like or how the driver is informed when arise in the observation area critical driving situations. This, the driver must even afford by betrach it the video image offered or the recognized traffic signs (shown) ⁇ interpreted and interpreted.
  • This object is achieved according to the invention in that a decision unit is provided which, when a traffic-relevant object or a traffic-relevant situation is detected by the outside and inside sensors, displays the visual data with the output signals of the output channels informing the driver in terms of controlling or influencing the human Machine interface linked.
  • the decision unit when it detects a traffic-related object or a traffic-related situation through the exterior and interior sensors on the man-machine interface creates a visual, acoustic or haptic He ⁇ eignis.
  • An advantageous development of the subject invention provides that the visual event is formed by a Videodar ⁇ position, are highlighted in the recognized objects by coloring whose nature depends on the risk potential of the detected objects.
  • the video presentation forms a basis for the visual output.
  • the risk potential resulting in a further development of the invention From ⁇ from the absolute distance of the detected object from the vehicle and the distance of the detected object from the predicted trajectory. It is particularly useful if the risk Potenti ⁇ al is represented by gradation of the brightness of the coloring or by different colors.
  • the video display is permanently displayed on a head-up display. Recognized objects are, as already mentioned, highlighted by coloring.
  • chen for example, Traffic Sign ⁇ , ACC functions, current vehicle speed or Wegleitinstrudictionen a navigation system.
  • the second variant is that the video presentation on a central information display z. B. a combination instrument and / or a center console display permanently ge ⁇ shows. Recognized objects are also highlighted in this embodiment by coloring, in addition to the coloring on the detected objects on the central information display a warning message (by symbol and text) is issued. To the driver's attention to the visible on the central information display source of danger to steer is output in addition ne on the head-up display ei ⁇ warning.
  • the third variant finally, the fact that the Vi ⁇ deodar ein shown tempo- rar on a central information display.
  • the activation of the outside vision system is indicated by a warning light in the instrument cluster of the vehicle.
  • a warning message is issued both on the central information display and in addition on the head-up display.
  • a significant increase in traffic safety is achieved in ei ⁇ ner other advantageous embodiment of the invention in that a virtual road course shown which corresponds to the real road course.
  • the virtual road course is graphically drawn and shown in perspective.
  • the road course information is obtained from the data of the infrared system, a downstream lane recognition and / or vehicle navigation map data.
  • An advantageous development of the subject invention provides that on the roadway, potential obstacles and / or danger objects are displayed.
  • a data processing system recognizes this from the camera data z.
  • the size of the obstacles and / or danger objects shown varies with their distance from the vehicle.
  • the representation of the obstacles and / or danger objects preferably varies by weighting as a function of the probability of collision. It is particularly useful when th between relevan ⁇ and irrelevant obstacles are distinguished.
  • the measures mentioned improve the quality of the visual presentation, especially on the head-up display.
  • Head-up display improves the readability due to the Kon ⁇ contrast ratios to the image background. At the same time the psychological stress of the driver is reduced.
  • the complicatenob ⁇ projects may be classified by color matching. The assignment of the colors can be done as follows:
  • acoustic events that are preferential ⁇ be formed by audio signals or voice messages. It is particularly advantageous if the manure units preferred amplitude or frequency of the tone signals in the decision ⁇ ⁇ or voice messages can be set by the driver.
  • the above-mentioned haptic event is manure units selected by the decision ⁇ that it initiates the driver an appropriate response.
  • the haptic event may be a vibration in the driver's seat, a vibration of the steering wheel or a vibration of the accelerator or brake pedal. Also in this case, it is particularly advantageous if in the decision ⁇ unit, the preferred amplitude or frequency of vibration by the driver is adjustable.
  • a further embodiment of the invention consists in that the decision unit has information about the condition of the vehicle, the driver's condition (eg the load, the fatigue %), the driver behavior and / or information on driver preferences such as the location of the display, Functional content, appearance ⁇ appearance u. like. be supplied.
  • the decision unit information about the vehicle speed, navigation data (u place. Time) and Informatio ⁇ nen on traffic information (traffic) u. be fed.
  • Fig. 1 is a simplified schematic representation of a
  • FIG. 2 shows the functional sequence of the processing of a video signal in the assistance system according to the invention.
  • ⁇ sistenzsystem is typically modular and con- sists essentially of a first and Situationserfas- sung module 1, a second or situation analysis module 2, a third decision module or a decision unit 3 and a fourth or human-machine Interface module 4.
  • Reference numeral 5 denotes ⁇ is provided in the example, the driver, whereas the loading ⁇ reference symbol 6 carries the only schematically indicated motor vehicle.
  • the first module 1 includes satellite sensors 11, for example radar sensors, the distances ⁇ drive to advance detect the vehicle and video sources 12, for example a video camera, which serves as a track determiner.
  • the output signals of the said components are fed to an object recognition block 13, in which the objects are detected algorithms using software ⁇ and the output of which is evaluated in a Ausretelogikblock 14 as to whether a relevant object or a relevant situation is detected or is not detected.
  • a relevant object or a relevant situation is detected or is not detected.
  • a relevant object ⁇ nen pedestrian Kings in the danger zone, a speed limit or the beginning called a construction site.
  • the information objects in question will be the first input ⁇ size of the decision unit 3 provided.
  • the situation detection module comprises 1 mecanical ⁇ sensors 15 and -videoettin 16, whose signals are processed in an image processing block 17 by means of suitable software algorithms to information, for example, represent the degree of driver load and a second
  • Ausenselogikblock 18 are supplied, whose output is provided as input to the second or situation analysis module 2 available.
  • the situation analysis module 2 includes a criteria record that includes both vehicle and driver status data 21 and personalizability data 22 that includes driver preferences for a display location, functional content, appearance, and the like.
  • the output of the Situationsanalysis- module 2 is supplied as a second input variable of the Oxfordsein ⁇ unit 3, the output of the fourth channels and control the human-machine interface module 5 or flexible influence. For this purpose, it works with visual (41), acoustic (42) or haptic output targets 43, which will be referred to as A n in the following description.
  • a head-up display (HUD) 411 As examples of the visual output destinations 41, a head-up display (HUD) 411, a combination meter 412, or a center console display 413 may be mentioned.
  • HUD head-up display
  • HUD1 As independent output destinations, permanently assigned display areas on the head-up display (HUD) as HUD1, HUD2 can be additionally extended.
  • the decision unit 3 also does the prioritization of a driving situation f (x), the vehicle functions and components by accessing the output destinations.
  • the output destinations are to be understood as a mathematically mappable function of the vehicle functions and components and are represented as a weighting function or decision tensor W (A x ) with:
  • Pi f (Oi, O 2 ,... O n ; Fi, F 2 ,... F n )
  • P 3 f (Oi, O 2 , ... O n ; Fi, F 2 , ... F n )
  • P 4 f (0i, O 2 , .. O n ; Fi, F 2 , ... F n )
  • the driver data which the decision-making unit learns through "measuring" serve to have a learning curve determined by the system as to how well the driver reacts to the selected output destinations in which situation f (x). This leads to an implied prioritization behavior of the vehicle functions and components in the output destination matrix W (A n ).
  • F D2 f (Di, D 2 , ..., D n )
  • F 2 W (F x ) * F D2 to
  • the driver data Di to D n are evaluated and weighted by their timing by the decision unit 3.
  • the driver data received in W (F x ) takes into account a typical driver unknown to the system.
  • a strategy for establishing better output behavior is to optimize for a faster response time of the driver in conjunction with the development of defined critical parameters of the vehicle functions and data. As a first approximation, both the response time and the time response of the critical parameters should be weighted equally.
  • a decision unit without Personali ⁇ tion can or without a self-optimizing logic concept vice ⁇ sets are.
  • examples play warning signals 421 or voice messages given ⁇ which the aforesaid acoustic output destinations 422 ⁇ .
  • the driver 5 can determine the general preferences of the acoustic signals 42 or 421/422, z. B. enter the driver preferred amplitude, frequency, etc.
  • the haptic output destinations 43 are selected by the decision unit 3 so that they provide an appropriate response of the
  • Initiate driver Both the amplitude and the frequency of haptic feedback are adjustable by the driver.
  • a considerable improvement of the visual representation is achieved in that a virtual road is displayed corresponding to the actual roads extending ⁇ and the drawn graphically and perspec ⁇ represented tivisch.
  • a video signal of a camera or infrared camera 25 of a downstream lane recognition 26 and of an object is shown in FIG. 2,
  • Traffic sign and obstacle detection 27 supplied for further processing. From the data of the lane recognition 26 and the map data of a vehicle navigation 28, the course of the road is calculated in function block 29. The calculation of graphical data and the drawing of the virtual view is carried out in the function block 30, the data of the object, traffic sign and obstacle detection 27 and other information, eg the map data of the vehicle navigation 28. B. on the driving speed or ACC information (see function block 31) are made available. The user 32 can make a selection from all representable functions groove ⁇ zereingabe / configuration by means of a further function block, and hence this display system its loading to adjust. The thus formed virtual road ⁇ course information is finally output on the head-up 411, the instrument cluster 412 and / or the center console display 413.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un système d'assistance d'un conducteur d'un véhicule automobile comprenant plusieurs détecteurs visuels extérieurs et intérieurs (sources vidéo) délivrant des données visuelles relatives à la circulation, une unité de reconnaissance d'objet branchée à la suite des détecteurs visuels extérieurs et intérieurs, une logique d'interprétation pour interpréter la grandeur de sortie de l'unité de reconnaissance d'objet ainsi que des canaux de sortie dont les signaux de sortie informent le conducteur au moyen d'une interface homme/machine. Pour proposer un système autonome qui décide tout seul, en fonction des objets reconnus, si et comment le conducteur doit être informé ou s'il intervient de manière autonome dans la dynamique de conduite pour éviter une collision, par exemple, on prévoit selon l'invention une unité (3) de décision qui, en cas de reconnaissance d'un objet relatif au trafic ou d'une situation relative au trafic par les détecteurs visuels extérieurs (11, 12) et intérieurs (15, 16), combine les données visuelles avec les signaux de sortie des canaux de sortie informant le conducteur dans le sens de la commande ou de l'influence de l'interface (4) homme/machine.
EP07726412A 2006-02-23 2007-02-16 Système d'assistance d'un conducteur Withdrawn EP1989094A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006008981A DE102006008981A1 (de) 2006-02-23 2006-02-23 Assistenzsystem zur Unterstützung eines Fahrers
PCT/EP2007/051524 WO2007096308A1 (fr) 2006-02-23 2007-02-16 Système d'assistance d'un conducteur

Publications (1)

Publication Number Publication Date
EP1989094A1 true EP1989094A1 (fr) 2008-11-12

Family

ID=37963961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726412A Withdrawn EP1989094A1 (fr) 2006-02-23 2007-02-16 Système d'assistance d'un conducteur

Country Status (5)

Country Link
US (1) US20090051516A1 (fr)
EP (1) EP1989094A1 (fr)
KR (1) KR20080108984A (fr)
DE (1) DE102006008981A1 (fr)
WO (1) WO2007096308A1 (fr)

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