WO2021156018A1 - Procédé et dispositif pour faire fonctionner une interface visuelle entre un véhicule et un occupant du véhicule - Google Patents

Procédé et dispositif pour faire fonctionner une interface visuelle entre un véhicule et un occupant du véhicule Download PDF

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Publication number
WO2021156018A1
WO2021156018A1 PCT/EP2021/050400 EP2021050400W WO2021156018A1 WO 2021156018 A1 WO2021156018 A1 WO 2021156018A1 EP 2021050400 W EP2021050400 W EP 2021050400W WO 2021156018 A1 WO2021156018 A1 WO 2021156018A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
driving
graphic object
parameters
vehicle occupant
Prior art date
Application number
PCT/EP2021/050400
Other languages
German (de)
English (en)
Inventor
Sorel LOUM
Jörn Michaelis
Johannes Nehls
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2021156018A1 publication Critical patent/WO2021156018A1/fr

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Classifications

    • 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
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on 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
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • 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
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
    • 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
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/162—Visual feedback on control action
    • 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
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/167—Vehicle dynamics information
    • 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
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/175—Autonomous driving
    • 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
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/177—Augmented reality

Definitions

  • the present invention relates to a method for operating a visual interface between a vehicle and a vehicle occupant.
  • the present invention also relates to a corresponding device.
  • Head-up displays are increasingly being used in order to minimize the time it takes to look at the respective display or to avert your eyes from the street.
  • the image content to be displayed is projected onto the windshield or onto a separate pane attached in front of it, for example a transparent plastic pane. This enables the driver to maintain his head posture or line of sight while driving and both the projected information and the information lying in front of him Street can be seen at the same time. This creates the impression that there is a display a few meters away in front of the bonnet.
  • DE 102012221 762 A1 shows a method in which, for racing applications, a preferred driving maneuver and a location for performing the preferred driving maneuver are identified on the basis of vehicle and road information and illustrated on a head-up display with a graphic.
  • the graphic may include a geometric shape corresponding to the preferred driving maneuver such as curved arrows for turns, up and down arrows for upshifting and downshifting, and triangles for acceleration and deceleration points.
  • US2019178669A1 discloses changing the positions and forms of route guidance content and driving-related content when displayed on a head-up display based on a distance to a neighboring object, a current driving state and an occurrence of a driving-related event.
  • the control of the vehicle is permanently taken over by an automated driving system.
  • a fully automated driving system can be provided in which a driver is no longer required at all and the vehicle no longer has control elements such as steering wheel and pedals that are required for human intervention.
  • a driver may still be required who can be requested to take over the control of the vehicle if the driving tasks can no longer be managed by the autopilot functionality of the automated driving system.
  • the display contents differ from those of a vehicle driven manually by a driver.
  • the focus is on driver information such as the current speed of the vehicle, current speed limits or navigation information that is necessary for safe driving of the vehicle.
  • driver information such as the current speed of the vehicle, current speed limits or navigation information that is necessary for safe driving of the vehicle.
  • autonomous driving on the other hand, the focus is on the vehicle occupants' monitoring of the automated vehicle functions. This enables vehicle occupants, for example, to understand driving maneuvers and thus strengthens confidence in the automated vehicle functions.
  • DE 102011 121 948 A1 describes a preview of actions of an autonomous driving system.
  • a motor vehicle driver is informed about a driving maneuver planned by means of a driver assistance system and currently being carried out by the motor vehicle, in that the driver assistance system cyclically records the current traffic situation based on environmental data, plans a driving maneuver based on the recorded environmental data, and the driving maneuver and at least part of the recorded environmental data in an image on a display.
  • the feasibility of a future driving maneuver planned by the driver assistance system on the basis of the captured environmental data can be reproduced.
  • DE 102014201 965 A1 discloses a method for automatically controlling the operation of a vehicle, in which the environment outside the vehicle is recorded and, based on the recorded environment, a route of the vehicle and a reliability level of the route are calculated and displayed.
  • a direction of travel symbol shows the planned direction of travel of the vehicle, for example with one or more trapezoids, which are shown rotated in one direction or the other if the planned direction of travel deviates from straight-ahead travel.
  • the number of trapezoids can depend on the length of the route in front of the vehicle, which is recorded with the vehicle's external sensors.
  • parameters of the vehicle and / or vehicle surroundings and / or inputs from the vehicle occupant are recorded.
  • the recorded parameters and / or inputs are evaluated.
  • a graphic representation is generated that shows the vehicle occupant in an autonomous driving mode parameters and / or upcoming driving maneuvers of the vehicle as well as a safe and / or technically feasible parameter range for a possible influencing of a driving function of the vehicle through an input by the vehicle occupant conveyed.
  • the generated graphic representation is displayed.
  • the generated graphic representation is preferably displayed superimposed on the vehicle surroundings in front of the vehicle. This enables the vehicle occupant to easily understand a connection between the current vehicle environment, possible driving maneuvers in this current vehicle environment and imminent driving maneuvers.
  • a first graphic object combined for driving functions in the longitudinal direction and transverse direction of the vehicle, a second graphic object a feedback for an input of the vehicle occupant to carry out a driving maneuver and a third graphic object a safe and technically feasible parameter range for the Display relevant parameters for driving functions in longitudinal and transverse directions.
  • the first graphic object and / or the second graphic object is preferably designed as a line-shaped contour.
  • the third graphic object can be designed in planar fashion, the first graphic object and / or the second graphic object being displayed within the planar third graphic object.
  • the third graphic object can be displayed as a grid of points superimposed on the roadway. This has the advantage, for example, that when a head-up display is used, despite a flat display in the vehicle occupant's field of vision, the The condition of the road ahead of the vehicle can still be clearly perceived.
  • the first graphic object is displayed as a bell-shaped contour.
  • the first graphic object can advantageously be displayed as a symmetrical bell-shaped contour when driving straight ahead and as an asymmetrical bell-shaped contour following the steering angle when the steering wheel is turned.
  • the first graphic object can advantageously be displayed as a horizontal line when the vehicle is stationary and, when the vehicle is moving, the height of the bell-shaped contour can depend on the current torque of a motor driving the vehicle and increase with increasing torque.
  • the invention also relates to a device for operating a visual interface between a vehicle and a vehicle occupant, with a
  • Acquisition unit that acquires parameters of the vehicle and / or vehicle surroundings and / or inputs from the vehicle occupant
  • Evaluation and control unit which evaluates the recorded parameters and / or inputs and controls a graphics unit as a function of the result of the evaluation
  • Graphics unit that is activated by the evaluation and control unit in such a way that a graphic display is generated that shows the vehicle occupant in an autonomous driving mode parameters and / or upcoming driving maneuvers of the vehicle as well as a safe and / or technically feasible parameter range for a possible influencing of a driving function the vehicle mediated by an input of the vehicle occupant; and a display unit that displays the generated graphic representation.
  • the display unit is advantageously designed as a head-up display.
  • the evaluation and control unit can additionally control an autonomous drive unit.
  • FIG. 1 shows a flow chart of a method according to the invention for operating a visual interface between a vehicle and a vehicle occupant
  • FIG. 2 shows graphic representations generated according to the invention for the visualization of various driving situations or maneuvers with three graphic objects which display parameters of the vehicle, a feedback for an input by the vehicle occupant for carrying out a driving maneuver and a safe and technically feasible parameter range;
  • FIG. 3 shows a schematic block diagram of an apparatus according to the invention.
  • FIG. 1 shows a flow chart of a method according to the invention for operating a visual interface between a vehicle and a vehicle occupant.
  • a first method step 1 parameters of the vehicle and / or vehicle surroundings and / or inputs from the vehicle occupant are recorded.
  • the torque applied by the drive unit of the vehicle and thus symbolically the effort of the vehicle can be recorded as a parameter of the vehicle.
  • the current steering angle can also be recorded as a parameter for the driving functions of the vehicle in the transverse direction.
  • various parameters of the vehicle environment can be recorded by environment sensors of the vehicle and, for example, relate to the course of the road, lane markings or objects in the vehicle environment like other vehicles.
  • information from digital map data can also be used.
  • An input of a vehicle occupant can be done by a haptic input / output device, but also in other ways such as voice input.
  • a parameter range that is currently safe for the vehicle and / or technically feasible for driving maneuvers such as acceleration, braking or a lane change of the vehicle, is determined. If the vehicle occupant has entered an instruction to the vehicle, this is then checked to determine whether it can be carried out by the vehicle at the current point in time. For example, an instruction to change lanes or to accelerate the vehicle can depend on whether the adjacent lane or the current lane is currently free. In this case, it can first of all also be determined from which vehicle occupant the entry was made and whether this vehicle occupant is even authorized to give instructions to the vehicle.
  • a graphic representation is then generated as a function of the result of the evaluation.
  • This graphic representation provides the vehicle occupant with parameters and / or imminent driving maneuvers of the vehicle as well as a safe and / or technically feasible parameter range for a possible influencing of a driving function of the vehicle through an input by the vehicle occupant.
  • the generated graphic representation is displayed in method step 4. This can be done in particular by a display on a head-up display.
  • the display can also be reproduced by means of AR glasses worn by the vehicle occupant, on a permanently installed display in the vehicle or on a display of a mobile device located in the vehicle, such as a mobile radio device or portable computer.
  • feedback can also be given to the vehicle occupant via voice output or a haptic interface.
  • FIG. 1 A graphic representation generated according to the invention for the visualization of various driving situations or maneuvers, such as can be displayed in particular on a head-up display, is shown in FIG.
  • the vehicle is in the middle of three lanes, with three different graphic objects being displayed in such a way that they appear to be lying in front of the vehicle on the lane.
  • the parameters effort or torque of a motor driving the vehicle and the steering angle of the vehicle are combined by means of a first graphic object G1.
  • the first graphic object G1 is designed here as a line lying in front of the vehicle on the roadway with a bell-shaped contour. When driving straight ahead, this bell-shaped contour is symmetrical, as shown in FIG. 2a).
  • the height of the bell-shaped contour depends on the current torque of the engine, with a horizontal, straight line being displayed when the vehicle is at a standstill.
  • a second graphic object G2 shows the vehicle occupant feedback for an input to carry out a driving maneuver.
  • This second graphic object G2 is also designed linearly and has a contour that is adapted to the first graphic object G1, but has a significantly smaller extension to the side. If the current vehicle parameters match an input made by the vehicle occupant, the second graphic object is displayed in the immediate vicinity of the first graphic object. To make it easier to distinguish between them, the first and second graphic objects are shown in different colors.
  • a third graphic object G3 is designed in planar form as a point grid and reproduces a safe and / or technically feasible parameter range for driving maneuvers of the vehicle.
  • the first and second graphic objects are located within the third graphic object, which extends noticeably beyond the linear contours of the first and second graphic object in the direction of travel and in the direction of the left lane. This gives the vehicle occupant the information that the vehicle can safely switch from the middle lane to the left lane or that the effort can be reduced or increased.
  • the representation of the bell-shaped contour expands in the direction of travel, as shown in FIG. 2b).
  • the vehicle occupant can now see from the illustration that a further increase in the torque is no longer possible.
  • the adaptation of the display can reflect the input made by the vehicle occupant, for example if the vehicle occupant increases the effort by moving a haptic interface forwards. This mirroring of the input is intended to ensure an intuitive and natural interaction. Whether and to what extent the user can move the input device forwards and thus increase the effort is indicated to him by the third graphic object. If an input is made by a vehicle occupant, the current input is mirrored by a corresponding adaptation of the second graphic object. If the instruction can be executed immediately, for example an acceleration of the vehicle is currently possible without risk, since the lane in front of the own vehicle is free, then the second graphic object continues to be displayed in the immediate vicinity of the first graphic object.
  • the instruction cannot be executed immediately, for example because the vehicle must first flash for a certain time before the lane change is started, the line of the second graphic object initially inclines in the respective direction, while the bell-shaped contour of the first graphic object initially remains unchanged. This is shown in FIG. 2c) for the case that the vehicle occupant has entered an instruction for a change to the left lane. An inclination of the second graphic object to the left indicates that the desired lane change will shortly be carried out.
  • the shape of the first graphic object inclines in accordance with the steering angle in the direction of the second graphic object and is displayed as an asymmetrical bell-shaped contour following the steering angle.
  • the shape leans correspondingly far to the respective side.
  • the bell-shaped contour of the first graphic object is adapted in the event of a steering angle when driving through a curve. The adjustment of the bell-shaped contour takes place smoothly, so that its change appears as natural as possible and, if necessary, arouses associations with an organic body that moves smoothly over the route.
  • an input / output device is inclined, depending on the steering angle, synchronously with the inclination of the bell-shaped contour of the first graphic object.
  • the graphical representation generated according to the invention enables the vehicle occupant, on the one hand, to intuitively grasp the extent to which he can influence parameters for driving functions in the longitudinal and transverse directions and, on the other hand, to receive visual feedback on his inputs in the same representation.
  • FIG. 3 shows a schematic block diagram of a system which provides a visual interface according to the invention.
  • all the units shown are part of the vehicle, which additionally contains further components, not shown, such as the chassis and the engine.
  • a display unit A is provided to display the graphic representations generated according to the invention.
  • the display unit A can in particular be designed as a head-up display that is based on mirror optics and an imaging unit (a so-called PGU from English “Picture Generating Unit”).
  • the latter usually consists of a TFT (Thin Film Transistor) display that is backlit with light-emitting diodes. With the mirror optics, the content of the display is enlarged for the virtual representation and projected onto the windshield.
  • a display can also take place on a display which is arranged in the vehicle interior.
  • a graphics unit G generates the graphic representations described above.
  • the required image elements of the graphic objects can be stored in a memory of the graphic unit and then output as required for the generation of the graphic representation.
  • a large number of different shapes can be stored for the graphic objects so that the appropriate shape for the linear or flat graphic objects is already available for a display and only needs to be called up.
  • only a few basic shapes can also be stored, from which the respective shape required for the display is then calculated.
  • image sequences of successive shapes are generated in order to generate a flowing movement.
  • different colors can be selected for the various graphic objects by the graphic unit in order to ensure particularly good distinguishability. Additional information can also be displayed with alphanumeric characters.
  • the graphics unit is controlled by an evaluation and control unit AS.
  • the evaluation and control unit AS can be supplied with vehicle parameters, for example from control units of the vehicle (not shown).
  • parameters of the vehicle environment can be evaluated, which have been determined by environment sensors SN of the vehicle.
  • the environment sensors can be, for example, camera, radar, ultrasonic, lidar sensors and, in particular, also a combination of different such sensors.
  • inputs from the vehicle occupant, which are recorded with an input unit E, are evaluated by the evaluation and control unit AS.
  • the evaluation and control unit AS can control an autonomous drive unit AA in accordance with the recorded inputs.
  • the autonomous drive unit AA can be a A steering control system for controlling the steering angle and an engine controller for controlling the torque of the engine of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Instrument Panels (AREA)
  • Traffic Control Systems (AREA)

Abstract

Dans le procédé selon l'invention permettant de faire fonctionner une interface visuelle entre un véhicule (F) et un occupant (I) du véhicule, des paramètres du véhicule et/ou de l'environnement du véhicule et/ou des entrées effectuées par l'occupant (I) du véhicule sont capturés (1). Les paramètres et/ou les entrées capturés sont évalués (2). En fonction du résultat de l'évaluation, une représentation graphique est générée (3) qui, dans un mode de conduite autonome, transmet, à l'occupant du véhicule, des paramètres et/ou des manoeuvres de conduite imminentes du véhicule et une plage de paramètres sûre et/ou techniquement faisable dans laquelle une fonction de conduite du véhicule peut potentiellement être influencée par une entrée effectuée par l'occupant du véhicule. La représentation graphique générée est affichée (4) plus particulièrement superposée à l'environnement du véhicule situé devant le véhicule. Un premier objet graphique (G1) peut afficher des paramètres pertinents combinés pour des fonctions de conduite dans la direction longitudinale et la direction transversale, un deuxième objet graphique (G2) peut afficher un retour pour une entrée effectuée par l'occupant du véhicule afin de réaliser une manoeuvre de conduite et un troisième objet graphique (G3) peut afficher une plage de paramètres sûre et techniquement faisable pour les paramètres appropriés pour les fonctions de conduite dans la direction longitudinale et transversale.
PCT/EP2021/050400 2020-02-07 2021-01-11 Procédé et dispositif pour faire fonctionner une interface visuelle entre un véhicule et un occupant du véhicule WO2021156018A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020201519.8 2020-02-07
DE102020201519.8A DE102020201519B4 (de) 2020-02-07 2020-02-07 Verfahren und Vorrichtung zum Betreiben einer visuellen Schnittstelle zwischen einem Fahrzeug und einem Fahrzeuginsassen

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WO2021156018A1 true WO2021156018A1 (fr) 2021-08-12

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WO (1) WO2021156018A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102012221762A1 (de) 2011-12-02 2013-06-06 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Fahrmanöverunterstützung an head-up-anzeige für gesamte windschutzscheibe
DE102011121948A1 (de) 2011-12-22 2013-06-27 Gm Global Technology Operations, Llc Vorausschau auf Aktionen eines autonomen Fahrsystems
DE102014201965A1 (de) 2013-02-06 2014-08-07 Gm Global Technology Operations, Llc Anzeigesysteme und Verfahren für autonome Fahrzeuge
US20180023970A1 (en) * 2015-02-09 2018-01-25 Denso Corporation Vehicle display control device and vehicle display control method
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DE102020201519B4 (de) 2023-08-24

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