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EP3201752A1 - Device and method for controlling a motor vehicle - Google Patents

Device and method for controlling a motor vehicle

Info

Publication number
EP3201752A1
EP3201752A1 EP15788140.0A EP15788140A EP3201752A1 EP 3201752 A1 EP3201752 A1 EP 3201752A1 EP 15788140 A EP15788140 A EP 15788140A EP 3201752 A1 EP3201752 A1 EP 3201752A1
Authority
EP
European Patent Office
Prior art keywords
haptic
parameter
control
value
control device
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Withdrawn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
EP15788140.0A
Other languages
German (de)
French (fr)
Inventor
Nour-Eddine EL-OUARDI
Stéphanie DABIC
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.)
Dav SA
Original Assignee
Dav SA
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 Dav SA filed Critical Dav SA
Publication of EP3201752A1 publication Critical patent/EP3201752A1/en
Withdrawn legal-status Critical Current

Links

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
    • B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
    • 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
    • B60K35/25—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using haptic output
    • 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
    • B60K35/26—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using acoustic output
    • 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
    • B60K35/80—Arrangements for controlling instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
    • 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
    • B60K2360/143—Touch sensitive instrument input devices
    • B60K2360/1438—Touch screens
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/014—Force feedback applied to GUI

Definitions

  • the present invention relates to a device and a control method for a motor vehicle.
  • buttons on the dashboard of a car cockpit results in an increase in the number of buttons on the dashboard of a car cockpit.
  • the number of buttons can not be increased to infinity, especially because of the complexity generated, limited space, accessibility or cognitive load.
  • the interaction of the driver with the systems in the car can reproduce a situation of attentional overload in which the driver can not handle at best all the information of the driving task, resulting in errors and a time of longer detection.
  • buttons are centralize by replacing them with a touch screen. This makes it possible to continue to increase the number of functions, these becoming programmable and reconfigurable and exposed temporarily or permanently depending on the context or the activated function.
  • the screen thus includes a possibility of multifunctionality, while dematerializing the buttons and being customizable.
  • the screens have three other major advantages: they allow on the one hand a direct interaction (co-implementation of the display and input), on the other hand they are flexible (the display can be easily configured for a number of functions), and finally they are intuitive (familiar interaction method such as "point").
  • An object of the present invention is to provide a control device and a control method of said control device, which does not hinder driving, which is well perceived and appreciated by users, and which can be discriminable from other signals for a application of touch screens respecting automobile constraints.
  • the subject of the present invention is a control device for a motor vehicle comprising:
  • a touch-sensitive surface for detecting a touch of a user's finger and the location of the contact on the tactile surface
  • a haptic and / or audible feedback module configured to vibrate the tactile surface and / or to generate a sound feedback to the user, in response to a contact of the tactile surface
  • control unit configured to control the haptic and / or sound feedback module so that the value of at least one parameter of the haptic and / or sound return depends on the distance between the location of the finger of the user and a target area of control of the touch surface.
  • the haptic and / or sound return is thus used to guide the user in his search for the target area, which makes it possible for the driver to avoid turning his gaze away from the road and which facilitates his tracking on the tactile surface while driving. night.
  • control device taken alone or in combination,
  • the value of at least one parameter evolves by following a relationship dependent on said distance, such as a linear relationship
  • the touch surface comprises a plurality of strip zones surrounding the control target zone and in which a haptic and / or sound return is generated and the value of at least one parameter of the generated haptic and / or sound return is associated with a respective band,
  • the touch surface comprises at least one corridor zone in which a haptic feedback is generated, directed towards the control target zone,
  • the touch surface comprises four corridors converging towards the control target zone and spaced apart by 90 °,
  • a parameter of the sound return is chosen from the intensity of the volume, the phase, the frequency, the duration, the duration between two identical signals and / or a parameter of the haptic feedback is chosen from among the intensity of the acceleration, the frequency, amplitude, duration, duration between two identical signals, the phase.
  • the present invention also relates to a control method of a control device for a motor vehicle as described above, characterized in that it comprises the following steps:
  • a contact of a finger of a user is detected and the location of the contact on the tactile surface
  • a haptic and / or audible return is generated whose value of at least one parameter of the haptic and / or sound return depends on the distance between the location of the finger of the user and a target control zone of the tactile surface.
  • the value of at least one parameter evolves by following a relationship dependent on said distance, such as a linear relationship
  • the touching surface comprises a plurality of strip zones surrounding the control target zone and in which a haptic and / or sound return is generated and the value of at least one parameter of the haptic and / or sound return generated is associated with a respective band,
  • the tactile surface comprises at least one zone in the corridor in which a haptic feedback is generated, directed towards the control target zone.
  • FIG. 1 represents an example of a control device for a motor vehicle
  • FIG. 2 represents a first example of a tactile surface
  • FIG. 3 shows a second example of a tactile surface.
  • FIG. 1 represents a control device for a motor vehicle 1.
  • the control device 1 comprises a tactile surface 2 and a haptic and / or audible feedback module 4.
  • the touch surface 2 is intended to detect a touch of a finger of a user and the movement of the finger on the touch surface 2.
  • the haptic and / or sound return module 4 is configured to vibrate the touch surface 2 in response to contact of the touch surface 2 by a finger or other activation means (for example a stylus) of a user having for example modified or selected a command and / or to generate a sound feedback to the user, in response to a contact of the touch surface 2.
  • a finger or other activation means for example a stylus
  • Hapic means a return by touch.
  • haptic feedback is a vibratory or vibrotactile signal.
  • the control device 1 may comprise a display device disposed under the touch surface 2 to display images through the touch surface 2, then transparent, thereby forming a touch screen.
  • a touch screen is an input device that allows users of a system to interact with it through touch. It allows the direct interaction of the user on the zone he wants to select for various uses such as, for example, the selection of a destination address or a name in a directory, the air conditioning system settings, activation of a dedicated function, selection of a track from a list, or a Generally speaking scrolling among a list of choices, selection, validation, and error.
  • the touch surface 2 comprises a plate carrying a contact sensor to detect a pressing pressure or a movement of the finger or a stylus of the user.
  • the contact sensor is for example a pressure sensor, such as using the FSR technology for "Force Sensing Resistor” in English, that is to say using pressure-sensitive resistors.
  • SFR technology has a very good resistance and robustness, while having a high resolution. In addition, it is very reactive and precise, while being relatively stable over time. It can have a fairly long life, and can be used with any type of activation means, at a relatively low cost.
  • the senor operates by contacting two conductive layers for example by the action of the finger.
  • One of the embodiments consists in covering a glass slab with a layer of conductive ink, on which is superimposed a sheet of flexible polyester, itself covered on its inner face with a layer of conductive ink. Insulating and transparent pads isolate the slab from the polyester sheet. The activation on the tactile surface produces a slight depression of the polyester layer, which comes into contact with the conductive layer of the glass slab. The local contact of the two conductive layers causes a modification of the electric current applied to the slab, corresponding to a voltage gradient.
  • the contact sensor comprises flexible semiconductor layers sandwiched between for example a conductive layer and a resistive layer.
  • a conductive layer By exerting pressure or sliding on the FSR layer, its ohmic resistance decreases allowing, by applying a suitable voltage, to measure the pressure applied and / or the location of the place where the pressure is exerted.
  • the contact sensor is based on a capacitive technology.
  • the haptic feedback module 4 comprises at least one actuator (not shown) connected to the plate of the touch surface 2, to generate the haptic feedback as a function of a signal from the contact sensor.
  • the haptic feedback is a vibratory signal such as a vibration produced by a sinusoidal control signal or by a control signal comprising one or a succession of pulses sent to the actuator.
  • the vibration is for example directed in the plane of the touch surface 2 or orthogonally to the plane of the touch surface 2 or directed in a combination of these two directions.
  • the latter are arranged under the tactile surface 2, in different positions (in the center or on one side) or in different orientations (in the direction of support on the surface or in another axis).
  • the actuator is based on a technology similar to that of the speaker (in English: “Voice Coil”). It comprises a fixed part and a part movable in translation in a gap of the fixed part for example of the order of 200 ⁇ " ⁇ , between a first and a second position, parallel to a longitudinal axis of the movable part.
  • the moving parts are connected to the plate so that the movement of the moving parts causes the movement in translation of the plate to generate the haptic feedback to the user's finger.
  • This technology is easily controllable and allows to move large masses, such as that of a screen, to different frequencies and meets the very strict automotive constraints that are low cost, good resistance to significant temperature variations, and ease of operation. ise in place.
  • the control device 1 furthermore comprises a control unit 5 configured to control the haptic and / or sound return module 4 so that the value of at least one parameter of the haptic and / or sound return depends on the distance D between the location of the finger of the user P1 and a control target zone Zc of the tactile surface 2.
  • the control unit 5 is for example configured to control a function, for example to control the vehicle's onboard systems such as the air conditioning, radio, music, telephone, ventilation or navigation system, when a contact is detected in the control target area Zc.
  • a function for example to control the vehicle's onboard systems such as the air conditioning, radio, music, telephone, ventilation or navigation system, when a contact is detected in the control target area Zc.
  • the haptic and / or sound return is thus used to guide the user in his search for the control target zone Zc, which makes it possible for the driver to avoid turning his gaze away from the road and which facilitates his tracking on the surface. Touch 2 in night driving.
  • a sound return parameter can be chosen from the intensity of the volume, the phase, the frequency, the duration, the duration between two identical signals.
  • a parameter of the haptic feedback can be chosen from among the intensity of the acceleration, the frequency, the amplitude, the duration, the duration between two identical signals, the phase.
  • the value of at least one parameter varies in stages.
  • the touching surface 2 is provided with a plurality of strip zones Z2, Z1 surrounding the control target zone Zc. concentric, and in which a haptic and / or sound return is generated.
  • the value of at least one parameter of the haptic and / or sound return generated is associated with a respective band Z1, Z2.
  • the value of at least one parameter evolves by following a relationship dependent on said distance D, such as a linear relationship.
  • the tactile surface 2 comprises at least one zone in the corridor
  • the touch surface 2 comprises four corridors Z1, Z2, Z3, Z4 converging towards the control target zone Zc and spaced from each other by 90 °.
  • the more the user brings his finger closer to the control target zone Zc and the more the haptic feedback changes for example the shorter the duration between two identical haptic signals, thus increasing the occurrence of the signal, in the same way as reversing radars.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The invention relates to a motor vehicle control device comprising: a touch surface (2) for detecting contact from a finger of a user and locating the contact on the touch surface (2); and a haptic and/or audio feedback module (4) configured such as to cause the touch surface (2) to vibrate and/or such as to generate audio feedback to the user, in response to contact with the touch surface (2), characterized in that said motor vehicle control device comprises a control unit (5) configured such as to control the haptic and/or audio feedback module (4) such that the value of at least one parameter of the haptic and/or audio feedback depends on the distance (D) between the location (P1) of the finger of the user and a target area (Zc) for controlling the touch surface (2). The invention also relates to a control method.

Description

Dispositif et procédé de commande pour véhicule automobile Device and control method for a motor vehicle
La présente invention concerne un dispositif et un procédé de commande pour véhicule automobile. The present invention relates to a device and a control method for a motor vehicle.
Depuis ces dernières années, les voitures sont devenues plus faciles à manipuler avec l'apparition de nouvelles technologies émergentes (par exemple direction assistée, ABS, régulateur de vitesse, radar de recul etc.). Paradoxalement toutefois, le nombre de fonctions à contrôler pendant la conduite a lui aussi beaucoup augmenté. Ceci peut induire un e certaine complexité liée à la mauvaise connaissance de l'utilisation de ces fonctionnalités et à leur diversité. La voiture est devenue un véritable espace de vie, perçue comme un centre de communication personnel et interconnecté : avec par exemple le lecteur MP3, le GPS, la connexion avec les téléphones portables.  In recent years, cars have become easier to handle with the emergence of new emerging technologies (eg power steering, ABS, cruise control, reversing radar etc.). Paradoxically, however, the number of functions to be controlled while driving has also increased significantly. This can lead to some complexity related to the poor knowledge of the use of these features and their diversity. The car has become a real living space, perceived as a personal and interconnected communication center: with for example MP3 player, GPS, connection with mobile phones.
L'introduction de ces nouvelles fonctions se traduit par une augmentation du nombre de boutons sur le tableau de bord d'un cockpit de voiture. Cependant, le nombre de boutons ne peut pas être augmenté à l'infini, du fait notamment de la complexité engendrée, de l'espace limité, de l'accessibilité ou de la charge cognitive. De plus, l'interaction du conducteur avec les systèmes embarqués dans la voiture peut reproduire une situation de surcharge attentionnelle dans laquelle le conducteur peut ne pas traiter au mieux toutes les informations de la tâche de conduite, se traduisant par des erreurs et un temps de détection plus long.  The introduction of these new features results in an increase in the number of buttons on the dashboard of a car cockpit. However, the number of buttons can not be increased to infinity, especially because of the complexity generated, limited space, accessibility or cognitive load. In addition, the interaction of the driver with the systems in the car can reproduce a situation of attentional overload in which the driver can not handle at best all the information of the driving task, resulting in errors and a time of longer detection.
Une possibilité est de centraliser les boutons en les remplaçant par un écran tactile. Ceci permet de continuer à augmenter le nombre des fonctions, celles-ci devenant programmables et reconfigurables et exposées de façon temporaire ou permanente selon le contexte ou la fonction activée. L'écran inclut ainsi une possibilité de multifonctionnalité, tout en dématérialisant les boutons et en étant personnalisable. De plus, les écrans présentent trois autres avantages majeurs : ils permettent d'une part une interaction directe (la co-implantation de l'affichage et de saisie), d'autre part ils sont souples (l'affichage peut être facilement configuré pour un certain nombre de fonctions), et enfin ils sont intuitifs (méthode d'interaction familière comme par exemple « pointer »).  One possibility is to centralize the buttons by replacing them with a touch screen. This makes it possible to continue to increase the number of functions, these becoming programmable and reconfigurable and exposed temporarily or permanently depending on the context or the activated function. The screen thus includes a possibility of multifunctionality, while dematerializing the buttons and being customizable. In addition, the screens have three other major advantages: they allow on the one hand a direct interaction (co-implementation of the display and input), on the other hand they are flexible (the display can be easily configured for a number of functions), and finally they are intuitive (familiar interaction method such as "point").
Cependant, contrairement au cas d'un bouton-poussoir, lorsque le conducteur interagit avec un écran tactile, il ne reçoit aucune rétroaction liée directement à son action sur l'interface, autre que le simple contact de son doigt s'écrasant sur l'écran.  However, contrary to the case of a push button, when the driver interacts with a touch screen, he receives no feedback directly related to his action on the interface, other than the mere touch of his finger crashing on the screen. screen.
Afin de compenser la perte d'informations causée par la substitution d'interfaces mécaniques classiques par des écrans tactiles, il est prévu l'ajout d'un retour, tel que haptique, pour fournir une rétroaction du système à l'utilisateur. Ce retour permet d'éviter l'ambiguïté possible de la prise en compte de l'action de l'utilisateur par le système, susceptible de favoriser l'apparition de situations dangereuses. Il doit cependant en outre éviter de surcharger les voies visuelles et auditives déjà très sollicitées par la tâche de conduite. En effet, l'utilisation d'écrans tactiles dans un véhicule automobile ne doit pas gêner l'attention du conducteur. In order to compensate for the loss of information caused by the substitution of conventional mechanical interfaces by touch screens, it is expected to add a return, such as haptic, to provide system feedback to the user. This return makes it possible to avoid the possible ambiguity of taking into account the action of the user by the system, likely to favor the appearance of dangerous situations. However, it must also avoid overloading the visual and auditory pathways already heavily involved in the driving task. Indeed, the use of touch screens in a motor vehicle must not disturb the attention of the driver.
Un but de la présente invention est de fournir un dispositif de contrôle et un procédé de commande dudit dispositif de contrôle, qui ne gêne pas la conduite, qui soit bien perçu et apprécié par les utilisateurs, et qui puisse être discriminable des autres signaux pour une application d'écrans tactiles respectant les contraintes automobiles.  An object of the present invention is to provide a control device and a control method of said control device, which does not hinder driving, which is well perceived and appreciated by users, and which can be discriminable from other signals for a application of touch screens respecting automobile constraints.
A cet effet, la présente invention a pour objet un dispositif de commande pour véhicule automobile comportant :  For this purpose, the subject of the present invention is a control device for a motor vehicle comprising:
- une surface tactile destinée à détecter un contact d'un doigt d'un utilisateur et la localisation du contact sur la surface tactile, et  a touch-sensitive surface for detecting a touch of a user's finger and the location of the contact on the tactile surface, and
- un module de retour haptique et/ou sonore configuré pour faire vibrer la surface tactile et/ou pour générer un retour sonore à l'utilisateur, en réponse à un contact de la surface tactile,  a haptic and / or audible feedback module configured to vibrate the tactile surface and / or to generate a sound feedback to the user, in response to a contact of the tactile surface,
caractérisé en ce qu'il comporte une unité de pilotage configurée pour piloter le module de retour haptique et/ou sonore de sorte que la valeur d'au moins un paramètre du retour haptique et/ou sonore dépende de la distance entre la localisation du doigt de l'utilisateur et une zone cible de commande de la surface tactile.  characterized in that it comprises a control unit configured to control the haptic and / or sound feedback module so that the value of at least one parameter of the haptic and / or sound return depends on the distance between the location of the finger of the user and a target area of control of the touch surface.
On utilise ainsi le retour haptique et/ou sonore pour guider l'utilisateur dans sa recherche de la zone cible, ce qui permet d'éviter que le conducteur détourne son regard de la route et ce qui facilite son repérage sur la surface tactile en conduite nocturne.  The haptic and / or sound return is thus used to guide the user in his search for the target area, which makes it possible for the driver to avoid turning his gaze away from the road and which facilitates his tracking on the tactile surface while driving. night.
Selon une ou plusieurs caractéristiques du dispositif de commande, prise seule ou en combinaison,  According to one or more characteristics of the control device, taken alone or in combination,
- plus ladite distance diminue et plus la valeur d'au moins un paramètre du retour haptique augmente,  the more said distance decreases and the value of at least one parameter of the haptic feedback increases,
- la valeur d'au moins un paramètre évolue en suivant une relation dépendant de ladite distance, telle qu'une relation linéaire,  the value of at least one parameter evolves by following a relationship dependent on said distance, such as a linear relationship,
- la valeur d'au moins un paramètre varie par paliers,  the value of at least one parameter varies in stages,
- la surface tactile comporte une pluralité de zones en bandes entourant la zone cible de commande et dans lesquelles un retour haptique et/ou sonore est généré et la valeur d'au moins un paramètre du retour haptique et/ou sonore généré est associé à une bande respective, the touch surface comprises a plurality of strip zones surrounding the control target zone and in which a haptic and / or sound return is generated and the value of at least one parameter of the generated haptic and / or sound return is associated with a respective band,
- la surface tactile comporte au moins une zone en couloir dans laquelle un retour haptique est généré, dirigée vers la zone cible de commande,  the touch surface comprises at least one corridor zone in which a haptic feedback is generated, directed towards the control target zone,
- la surface tactile comporte quatre couloirs convergents vers la zone cible de commande et espacés entre eux de 90°,  the touch surface comprises four corridors converging towards the control target zone and spaced apart by 90 °,
- un paramètre du retour sonore est choisi parmi l'intensité du volume, la phase, la fréquence, la durée, la durée entre deux signaux identiques et/ou un paramètre du retour haptique est choisi parmi l'intensité de l'accélération, la fréquence, l'amplitude, la durée, la durée entre deux signaux identiques, la phase.  a parameter of the sound return is chosen from the intensity of the volume, the phase, the frequency, the duration, the duration between two identical signals and / or a parameter of the haptic feedback is chosen from among the intensity of the acceleration, the frequency, amplitude, duration, duration between two identical signals, the phase.
La présente invention a aussi pour objet un procédé de commande d'un dispositif de commande pour véhicule automobile tel que décrit précédemment, caractérisé en ce qu'il comporte les étapes suivantes :  The present invention also relates to a control method of a control device for a motor vehicle as described above, characterized in that it comprises the following steps:
- on détecte un contact d'un doigt d'un utilisateur et la localisation du contact sur la surface tactile, et  a contact of a finger of a user is detected and the location of the contact on the tactile surface, and
- on génère un retour haptique et/ou sonore dont la valeur d'au moins un paramètre du retour haptique et/ou sonore dépend de la distance entre la localisation du doigt de l'utilisateur et une zone cible de commande de la surface tactile.  - A haptic and / or audible return is generated whose value of at least one parameter of the haptic and / or sound return depends on the distance between the location of the finger of the user and a target control zone of the tactile surface.
Selon une ou plusieurs caractéristiques du procédé de commande, prise seule ou en combinaison,  According to one or more characteristics of the control method, taken alone or in combination,
- plus ladite distance diminue et plus la valeur d'au moins un paramètre du retour haptique augmente,  the more said distance decreases and the value of at least one parameter of the haptic feedback increases,
- la valeur d'au moins un paramètre évolue en suivant une relation dépendant de ladite distance, telle qu'une relation linéaire,  the value of at least one parameter evolves by following a relationship dependent on said distance, such as a linear relationship,
- la valeur d'au moins un paramètre varie par paliers,  the value of at least one parameter varies in stages,
- la surface tactile comporte une pluralité de zones en bandes entourant la zone cible de commande et dans lesquelles un retour haptique et/ou sonore est généré et la valeur d'au moins un paramètre du retour haptique et/ou sonore généré est associé à une bande respective,  the touching surface comprises a plurality of strip zones surrounding the control target zone and in which a haptic and / or sound return is generated and the value of at least one parameter of the haptic and / or sound return generated is associated with a respective band,
- la surface tactile comporte au moins une zone en couloir dans laquelle un retour haptique est généré, dirigée vers la zone cible de commande. DESCRIPTION SOMMAIRE DES DESSINS the tactile surface comprises at least one zone in the corridor in which a haptic feedback is generated, directed towards the control target zone. SUMMARY DESCRIPTION OF THE DRAWINGS
D'autres avantages et caractéristiques apparaîtront à la lecture de la description de l'invention, ainsi que sur les figures annexées qui représentent un exemple de réalisation non limitatif de l'invention et sur lesquelles : Other advantages and characteristics will appear on reading the description of the invention, as well as on the appended figures which represent a non-limiting exemplary embodiment of the invention and in which:
La figure 1 représente un exemple de dispositif de commande pour véhicule automobile,  FIG. 1 represents an example of a control device for a motor vehicle,
- la figure 2 représente un premier exemple de surface tactile, et  FIG. 2 represents a first example of a tactile surface, and
- la figure 3 représente un deuxième exemple de surface tactile.  - Figure 3 shows a second example of a tactile surface.
Sur ces figures, les éléments identiques portent les mêmes numéros de référence.  In these figures, the identical elements bear the same reference numbers.
DESCRIPTION DÉTAILLÉE DETAILED DESCRIPTION
La figure 1 représente un dispositif de commande pour véhicule automobile 1. FIG. 1 represents a control device for a motor vehicle 1.
Le dispositif de commande 1 comporte une surface tactile 2 et un module de retour haptique et/ou sonore 4.  The control device 1 comprises a tactile surface 2 and a haptic and / or audible feedback module 4.
La surface tactile 2 est destinée à détecter un contact d'un doigt d'un utilisateur et le déplacement du doigt sur la surface tactile 2.  The touch surface 2 is intended to detect a touch of a finger of a user and the movement of the finger on the touch surface 2.
Le module de retour haptique et/ou sonore 4 est configuré pour faire vibrer la surface tactile 2 en réponse à un contact de la surface tactile 2 par un doigt ou tout autre moyen d'activation (par exemple un stylet) d'un utilisateur ayant par exemple modifié ou sélectionné une commande et/ou pour générer un retour sonore à l'utilisateur, en réponse à un contact de la surface tactile 2.  The haptic and / or sound return module 4 is configured to vibrate the touch surface 2 in response to contact of the touch surface 2 by a finger or other activation means (for example a stylus) of a user having for example modified or selected a command and / or to generate a sound feedback to the user, in response to a contact of the touch surface 2.
On désigne par « haptique », un retour par le toucher. Ainsi, le retour haptique est un signal vibratoire ou vibrotactile.  "Haptic" means a return by touch. Thus, haptic feedback is a vibratory or vibrotactile signal.
Le dispositif de commande 1 peut comporter un dispositif d'affichage disposé sous la surface tactile 2 pour afficher des images au travers de la surface tactile 2, alors transparente, formant ainsi un écran tactile.  The control device 1 may comprise a display device disposed under the touch surface 2 to display images through the touch surface 2, then transparent, thereby forming a touch screen.
Un écran tactile est un périphérique d'entrée permettant aux utilisateurs d'un système d'interagir avec celui-ci grâce au toucher. Il permet l'interaction directe de l'utilisateur sur la zone qu'il veut sélectionner pour des utilisations diverses comme par exemple, la sélection d'une adresse de destination ou d'un nom dans un répertoire, les réglages du système de climatisation, l'activation d'une fonction dédiée, la sélection d'une piste parmi une liste, ou d'une manière générale le défilement parmi une liste de choix, la sélection, la validation, et l'erreur.A touch screen is an input device that allows users of a system to interact with it through touch. It allows the direct interaction of the user on the zone he wants to select for various uses such as, for example, the selection of a destination address or a name in a directory, the air conditioning system settings, activation of a dedicated function, selection of a track from a list, or a Generally speaking scrolling among a list of choices, selection, validation, and error.
La surface tactile 2 comporte une plaque portant un capteur de contact pour détecter une pression d'appui ou un déplacement du doigt ou d'un stylet de l'utilisateur. The touch surface 2 comprises a plate carrying a contact sensor to detect a pressing pressure or a movement of the finger or a stylus of the user.
Le capteur de contact est par exemple un capteur de pression, tel qu'utilisant la technologie FSR pour « Force Sensing Resistor » en anglais, c'est-à-dire utilisant des résistances sensibles à la pression. La technologie SFR présente une très bonne résistance et robustesse, tout en ayant une résolution élevée. De plus, elle est très réactive et précise, tout en étant relativement stable dans le temps. Elle peut avoir une durée de vie assez longue, et est utilisable avec tout type de moyen d'activation, à un coût relativement faible.  The contact sensor is for example a pressure sensor, such as using the FSR technology for "Force Sensing Resistor" in English, that is to say using pressure-sensitive resistors. SFR technology has a very good resistance and robustness, while having a high resolution. In addition, it is very reactive and precise, while being relatively stable over time. It can have a fairly long life, and can be used with any type of activation means, at a relatively low cost.
Selon une conception de la technologie FSR, le capteur fonctionne en mettant en contact deux couches conductrices par exemple par l'action du doigt. Une des réalisations consiste à recouvrir une dalle de verre d'une couche d'encre conductrice, sur laquelle est superposée une feuille de polyester souple, elle-même recouverte sur sa face interne d'une couche d'encre conductrice. Des plots isolants et transparents isolent la dalle de la feuille polyester. L'activation sur la surface tactile produit un léger enfoncement de la couche polyester, qui vient en contact avec la couche conductrice de la dalle de verre. Le contact local des deux couches conductrices entraîne une modification du courant électrique appliqué sur la dalle, correspondant à un gradient de tension.  According to a design of the FSR technology, the sensor operates by contacting two conductive layers for example by the action of the finger. One of the embodiments consists in covering a glass slab with a layer of conductive ink, on which is superimposed a sheet of flexible polyester, itself covered on its inner face with a layer of conductive ink. Insulating and transparent pads isolate the slab from the polyester sheet. The activation on the tactile surface produces a slight depression of the polyester layer, which comes into contact with the conductive layer of the glass slab. The local contact of the two conductive layers causes a modification of the electric current applied to the slab, corresponding to a voltage gradient.
Selon un autre exemple, le capteur de contact comprend des couches semi-conductrices souples prises en sandwich entre par exemple une couche conductrice et une couche résistive. En exerçant une pression ou un glissé sur la couche FSR, sa résistance ohmique diminue permettant ainsi, par application d'une tension électrique adaptée, de mesurer la pression appliquée et / ou la localisation de l'endroit où la pression est exercée.  In another example, the contact sensor comprises flexible semiconductor layers sandwiched between for example a conductive layer and a resistive layer. By exerting pressure or sliding on the FSR layer, its ohmic resistance decreases allowing, by applying a suitable voltage, to measure the pressure applied and / or the location of the place where the pressure is exerted.
Selon un autre exemple, le capteur de contact est basé sur une technologie capacitive. Le module de retour haptique 4 comporte au moins un actionneur (non représenté) relié à la plaque de la surface tactile 2, pour générer le retour haptique en fonction d'un signal issu du capteur de contact. Le retour haptique est un signal vibratoire tel qu'une vibration produite par un signal de commande sinusoïdal ou par un signal de commande comportant un ou une succession de puises, envoyé à l'actionneur. La vibration est par exemple dirigée dans le plan de la surface tactile 2 ou orthogonalement au plan de la surface tactile 2 ou encore dirigée selon une combinaison de ces deux directions.  In another example, the contact sensor is based on a capacitive technology. The haptic feedback module 4 comprises at least one actuator (not shown) connected to the plate of the touch surface 2, to generate the haptic feedback as a function of a signal from the contact sensor. The haptic feedback is a vibratory signal such as a vibration produced by a sinusoidal control signal or by a control signal comprising one or a succession of pulses sent to the actuator. The vibration is for example directed in the plane of the touch surface 2 or orthogonally to the plane of the touch surface 2 or directed in a combination of these two directions.
Dans le cas de plusieurs actionneurs, ces derniers sont agencés sous la surface tactile 2, dans différentes positions (au centre ou sur un côté) ou dans différentes orientations (dans la direction de l'appui sur la surface ou dans un autre axe). In the case of several actuators, the latter are arranged under the tactile surface 2, in different positions (in the center or on one side) or in different orientations (in the direction of support on the surface or in another axis).
Selon un exemple de réalisation, l'actionneur repose sur une technologie similaire à celle du Haut-Parleur (en anglais : « Voice Coil »). Il comporte une partie fixe et une partie mobile en translation dans un entrefer de la partie fixe par exemple de l'ordre de 200μη"ΐ, entre une première et une deuxième position, parallèlement à un axe longitudinal de la partie mobile. La partie mobile est par exemple formée par un aimant mobile coulissant à l'intérieur d'une bobine fixe ou par une bobine mobile coulissant autour d'un aimant fixe, la partie mobile et la partie fixe coopérant par effet électromagnétique. Les parties mobiles sont reliées à la plaque de manière que le mouvement des parties mobiles engendre le mouvement en translation de la plaque pour générer le retour haptique au doigt de l'utilisateur. Cette technologie est facilement contrôlable et permet de déplacer de fortes masses, comme celle d'un écran, à diverses fréquences et respecte les contraintes automobiles très strictes que sont un faible coût, une bonne résistance aux variations de températures importantes, et une facilité de mise en place.  According to an exemplary embodiment, the actuator is based on a technology similar to that of the speaker (in English: "Voice Coil"). It comprises a fixed part and a part movable in translation in a gap of the fixed part for example of the order of 200μη "ΐ, between a first and a second position, parallel to a longitudinal axis of the movable part. is for example formed by a movable magnet sliding inside a fixed coil or by a movable coil sliding around a fixed magnet, the movable part and the fixed part cooperating by electromagnetic effect.The moving parts are connected to the plate so that the movement of the moving parts causes the movement in translation of the plate to generate the haptic feedback to the user's finger.This technology is easily controllable and allows to move large masses, such as that of a screen, to different frequencies and meets the very strict automotive constraints that are low cost, good resistance to significant temperature variations, and ease of operation. ise in place.
Le dispositif de commande 1 comporte en outre une unité de pilotage 5 configurée pour piloter le module de retour haptique et/ou sonore 4 de sorte que la valeur d'au moins un paramètre du retour haptique et/ou sonore dépende de la distance D entre la localisation du doigt de l'utilisateur P1 et une zone cible de commande Zc de la surface tactile 2.  The control device 1 furthermore comprises a control unit 5 configured to control the haptic and / or sound return module 4 so that the value of at least one parameter of the haptic and / or sound return depends on the distance D between the location of the finger of the user P1 and a control target zone Zc of the tactile surface 2.
L'unité de pilotage 5 est par exemple configurée pour commander une fonction, par exemple pour commander des systèmes embarqués du véhicule tels que le système de climatisation, de radio, de musique, du téléphone, de ventilation ou de navigation, lorsqu'un contact est détecté dans la zone cible de commande Zc.  The control unit 5 is for example configured to control a function, for example to control the vehicle's onboard systems such as the air conditioning, radio, music, telephone, ventilation or navigation system, when a contact is detected in the control target area Zc.
On utilise ainsi le retour haptique et/ou sonore pour guider l'utilisateur dans sa recherche de la zone cible de commande Zc, ce qui permet d'éviter que le conducteur détourne son regard de la route et ce qui facilite son repérage sur la surface tactile 2 en conduite nocturne.  The haptic and / or sound return is thus used to guide the user in his search for the control target zone Zc, which makes it possible for the driver to avoid turning his gaze away from the road and which facilitates his tracking on the surface. Touch 2 in night driving.
Par exemple, plus la distance D diminue et plus la valeur d'au moins un paramètre du retour haptique augmente.  For example, the more the distance D decreases, the more the value of at least one parameter of the haptic feedback increases.
Un paramètre du retour sonore peut être choisi parmi l'intensité du volume, la phase, la fréquence, la durée, la durée entre deux signaux identiques.  A sound return parameter can be chosen from the intensity of the volume, the phase, the frequency, the duration, the duration between two identical signals.
Un paramètre du retour haptique peut être choisi parmi l'intensité de l'accélération, la fréquence, l'amplitude, la durée, la durée entre deux signaux identiques, la phase.  A parameter of the haptic feedback can be chosen from among the intensity of the acceleration, the frequency, the amplitude, the duration, the duration between two identical signals, the phase.
Selon un premier exemple, la valeur d'au moins un paramètre varie par paliers.  According to a first example, the value of at least one parameter varies in stages.
Par exemple et comme représenté sur la figure 2, on prévoit que la surface tactile 2 comporte une pluralité de zones en bandes Z2, Z1 , entourant la zone cible de commande Zc, concentriques, et dans lesquelles un retour haptique et/ou sonore est généré. For example and as shown in FIG. 2, the touching surface 2 is provided with a plurality of strip zones Z2, Z1 surrounding the control target zone Zc. concentric, and in which a haptic and / or sound return is generated.
On prévoit en outre que la valeur d'au moins un paramètre du retour haptique et/ou sonore généré soit associé à une bande respective Z1 , Z2.  It is furthermore provided that the value of at least one parameter of the haptic and / or sound return generated is associated with a respective band Z1, Z2.
On peut aussi prévoir qu'aucun retour haptique ne soit généré dans une zone Z0, située au-delà des zones en bandes Z1 , Z2, c'est-à-dire autour de la bande externe Z2.  It can also be expected that no haptic feedback is generated in a zone Z0, located beyond the zones in bands Z1, Z2, that is to say around the outer band Z2.
Ainsi, à chaque franchissement de bande, l'utilisateur perçoit qu'il rapproche son doigt de la zone cible de commande Zc.  Thus, at each crossing band, the user perceives that it brings his finger closer to the control target zone Zc.
Selon un deuxième exemple, la valeur d'au moins un paramètre évolue en suivant une relation dépendant de ladite distance D, telle qu'une relation linéaire.  According to a second example, the value of at least one parameter evolves by following a relationship dependent on said distance D, such as a linear relationship.
On prévoit par exemple que la surface tactile 2 comporte au moins une zone en couloir For example, it is expected that the tactile surface 2 comprises at least one zone in the corridor
Z1 , Z2, Z3, Z4, c'est-à-dire présentant une forme allongée, telle que rectangulaire, dirigée vers la zone cible de commande Zc. Z1, Z2, Z3, Z4, that is to say having an elongated shape, such as rectangular, directed towards the control target zone Zc.
Par exemple et comme représenté sur la figure 3, on prévoit que la surface tactile 2 comporte quatre couloirs Z1 , Z2, Z3, Z4 convergents vers la zone cible de commande Zc et espacés entre eux de 90°.  For example and as shown in Figure 3, it is expected that the touch surface 2 comprises four corridors Z1, Z2, Z3, Z4 converging towards the control target zone Zc and spaced from each other by 90 °.
Ainsi, plus l'utilisateur rapproche son doigt de la zone cible de commande Zc et plus le retour haptique évolue, par exemple plus la durée entre deux signaux identiques haptiques diminue, faisant ainsi augmenter l'occurrence du signal, de la même manière que des radars de recul.  Thus, the more the user brings his finger closer to the control target zone Zc and the more the haptic feedback changes, for example the shorter the duration between two identical haptic signals, thus increasing the occurrence of the signal, in the same way as reversing radars.

Claims

REVENDICATIONS
1 . Dispositif de commande pour véhicule automobile comportant : 1. Control device for a motor vehicle comprising:
- une surface tactile (2) destinée à détecter un contact d'un doigt d'un utilisateur et la localisation du contact sur la surface tactile (2), et  a touch surface (2) for detecting a touch of a user's finger and the location of the contact on the touch surface (2), and
- un module de retour haptique et/ou sonore (4) configuré pour faire vibrer la surface tactile (2) et/ou pour générer un retour sonore à l'utilisateur, en réponse à un contact de la surface tactile (2),  a haptic and / or audible feedback module (4) configured to vibrate the tactile surface (2) and / or to generate a sound feedback to the user, in response to a contact of the tactile surface (2),
caractérisé en ce qu'il comporte une unité de pilotage (5) configurée pour piloter le module de retour haptique et/ou sonore (4) de sorte que la valeur d'au moins un paramètre du retour haptique et/ou sonore dépende de la distance (D) entre la localisation du doigt de l'utilisateur (P1 ) et une zone cible de commande (Zc) de la surface tactile (2).  characterized in that it comprises a control unit (5) configured to control the haptic and / or sound return module (4) so that the value of at least one parameter of the haptic and / or sound return depends on the distance (D) between the location of the user's finger (P1) and a control target zone (Zc) of the tactile surface (2).
2. Dispositif de commande selon la revendication précédente, caractérisé en ce que plus ladite distance (D) diminue et plus la valeur d'au moins un paramètre du retour haptique augmente.  2. Control device according to the preceding claim, characterized in that the more said distance (D) decreases and the value of at least one parameter of haptic feedback increases.
3. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que la valeur d'au moins un paramètre évolue en suivant une relation dépendant de ladite distance (D), telle qu'une relation linéaire.  3. Control device according to one of the preceding claims, characterized in that the value of at least one parameter evolves in a relationship depending on said distance (D), such as a linear relationship.
4. Dispositif de commande selon l'une des revendications 1 ou 2, caractérisé en ce que la valeur d'au moins un paramètre varie par paliers.  4. Control device according to one of claims 1 or 2, characterized in that the value of at least one parameter varies in stages.
5. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que la surface tactile (2) comporte une pluralité de zones en bandes (Z1 , Z2) entourant la zone cible de commande (Zc) et dans lesquelles un retour haptique et/ou sonore est généré et que la valeur d'au moins un paramètre du retour haptique et/ou sonore généré est associé à une bande respective (Z1 , Z2).  5. Control device according to one of the preceding claims, characterized in that the touch surface (2) comprises a plurality of strip zones (Z1, Z2) surrounding the control target zone (Zc) and in which a haptic return and / or sound is generated and that the value of at least one parameter of the haptic and / or sound return generated is associated with a respective band (Z1, Z2).
6. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que la surface tactile (2) comporte au moins une zone en couloir (Z1 , Z2, Z3, Z4), dans laquelle un retour haptique est généré, dirigée vers la zone cible de commande (Zc). 6. Control device according to one of the preceding claims, characterized in that the touch surface (2) comprises at least one zone in the corridor (Z1, Z2, Z3, Z4), in which a haptic feedback is generated, directed towards the target control zone (Zc).
7. Dispositif de commande selon la revendication précédente, caractérisé en ce que la surface tactile (2) comporte quatre couloirs (Z1 , Z2, Z3, Z4) convergents vers la zone cible de commande (Zc) et espacés entre eux de 90°. 7. Control device according to the preceding claim, characterized in that the touch surface (2) comprises four corridors (Z1, Z2, Z3, Z4) converging towards the control target zone (Zc) and spaced apart by 90 °.
8. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce qu'un paramètre du retour sonore est choisi parmi l'intensité du volume, la phase, la fréquence, la durée, la durée entre deux signaux identiques et/ou un paramètre du retour haptique est choisi parmi l'intensité de l'accélération, la fréquence, l'amplitude, la durée, la durée entre deux signaux identiques, la phase. 8. Control device according to one of the preceding claims, characterized in that a sound return parameter is chosen from the intensity of the volume, the phase, the frequency, the duration, the duration between two identical signals and / or a parameter of the haptic feedback is chosen from the intensity of the acceleration, the frequency, the amplitude, the duration, the duration between two identical signals, the phase.
9. Procédé de commande d'un dispositif de commande pour véhicule automobile selon l'une des revendications précédentes, caractérisé en ce qu'il comporte les étapes suivantes : 9. A method of controlling a control device for a motor vehicle according to one of the preceding claims, characterized in that it comprises the following steps:
- on détecte un contact d'un doigt d'un utilisateur et la localisation du contact sur la surface tactile (2), et  a contact of a finger of a user is detected and the location of the contact on the tactile surface (2), and
- on génère un retour haptique et/ou sonore dont la valeur d'au moins un paramètre du retour haptique et/ou sonore dépend de la distance (D) entre la localisation du doigt de l'utilisateur (P1 ) et une zone cible de commande (Zc) de la surface tactile (2).  a haptic and / or sound return is generated whose value of at least one parameter of the haptic and / or sound return depends on the distance (D) between the location of the user's finger (P1) and a target zone of control (Zc) of the touch surface (2).
10. Procédé de commande selon la revendication précédente, caractérisé en ce que plus ladite distance (D) diminue et plus la valeur d'au moins un paramètre du retour haptique augmente.  10. Control method according to the preceding claim, characterized in that the more said distance (D) decreases and the value of at least one parameter of the haptic feedback increases.
1 1 . Procédé de commande selon l'une des revendications 9 ou 10, caractérisé en ce que la valeur d'au moins un paramètre évolue en suivant une relation dépendant de ladite distance, telle qu'une relation linéaire.  1 1. Control method according to one of claims 9 or 10, characterized in that the value of at least one parameter evolves by following a relationship dependent on said distance, such as a linear relationship.
12. Procédé de commande selon l'une des revendications 9 ou 10, caractérisé en ce que la valeur d'au moins un paramètre varie par paliers. 12. Control method according to one of claims 9 or 10, characterized in that the value of at least one parameter varies in stages.
13. Procédé de commande selon l'une des revendications 9 à 12, caractérisé en ce qu'une pluralité de zones en bandes (Z1 , Z2) entourent la zone cible de commande (Zc), dans lesquelles un retour haptique et/ou sonore est généré, et la valeur d'au moins un paramètre du retour haptique et/ou sonore généré est associé à une bande respective 13. Control method according to one of claims 9 to 12, characterized in that a plurality of strip areas (Z1, Z2) surround the control target zone (Zc), in which a haptic feedback and / or sound is generated, and the value of at least one parameter of the haptic and / or sound return generated is associated with a respective band
(Z1 . Z2). (Z1, Z2).
14. Procédé de commande selon l'une des revendications 9 à 13, caractérisé en ce que la surface tactile (2) comporte au moins une zone en couloir (Z1 , Z2, Z3, Z4) dans laquelle un retour haptique est généré, dirigée vers la zone cible de commande (Zc).  14. Control method according to one of claims 9 to 13, characterized in that the touch surface (2) comprises at least one corridor zone (Z1, Z2, Z3, Z4) in which a haptic feedback is generated, directed to the control target area (Zc).
EP15788140.0A 2014-10-02 2015-10-02 Device and method for controlling a motor vehicle Withdrawn EP3201752A1 (en)

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CN107209634A (en) 2017-09-26
US10963050B2 (en) 2021-03-30
FR3026868B1 (en) 2019-08-16
FR3026868A1 (en) 2016-04-08
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JP2017537372A (en) 2017-12-14

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