Classifications

• • 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
  • G06F3/048—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
• • 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
  • G06F3/03—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
• • 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
  • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
• • 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
  • G06F3/04886—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 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus

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 surface. 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 touch surface thus includes a possibility of multifunctionality, while dematerializing the buttons and being customizable.
• An object of the present invention is to provide a control device which does not interfere with driving, which is well perceived and appreciated by users, and which can be discriminable from other signals.
• the subject of the present invention is a control device for a motor vehicle comprising:
• a touch surface for detecting a touch of a finger of a user, and a haptic feedback module configured to vibrate the touch surface, characterized in that it comprises a control unit configured to control the haptic feedback module to generate a haptic feedback in response to a touch on the touch surface, the haptic feedback being composed:
• control device taken alone or in combination,
• the variation of the maximum peak-to-peak value of the acceleration and / or the variation of the maximum peak-to-peak value of the displacement of the tactile surface follows a linear relation as a function of time.
• the linear relationship defines a progressive increase in the value of the acceleration as a function of time such that the ratio between: the maximum peak-to-peak value of the acceleration of a determined individual haptic pattern, and
• the maximum peak-to-peak value of the acceleration of the individual haptic pattern preceding the determined individual haptic pattern being between 0.6 and 0.95. This gives the user the feeling of increase, which allows him to better understand the function that the touched touch surface can achieve.
• the linear relationship defines a progressive decrease in the value of the acceleration as a function of time such that the ratio between:
• the maximum peak-to-peak value of the acceleration of the individual haptic pattern preceding the determined individual haptic pattern being between 1, 05 and 1, 4.
• the linear relationship defines a progressive increase in the value of the acceleration as a function of time such that the ratio between:
• the maximum peak-to-peak value of the acceleration of the individual haptic pattern preceding the determined individual haptic pattern being between 0.6 and 0.55.
• the linear relationship defines a progressive decrease in the value of the acceleration as a function of time such that the ratio between:
• the peak to peak acceleration value of the individual haptic pattern preceding the determined individual haptic pattern being between 1, 2 and 1, 3.
• control device taken alone or in combination,
• the individual haptic pattern is repeated between 3 and 10 times, the haptic feedback is generated over a predefined duration of between 3 and 5000 milliseconds,
• a period without haptic feedback is between 5 and 200 milliseconds
• the peak-to-peak value of the acceleration of the individual haptic patterns is between 0.5G and 15G
• the frequency of the individual haptic patterns is between 60 Hz and 400 Hz. According to another embodiment:
• the duration of the first individual haptic pattern is between 10 and 200 milliseconds
• the predefined duration on which the individual haptic patterns are generated is less than 200 milliseconds
• the inter-command duration between the beginning of a first control signal generating the first individual haptic pattern and the beginning of a second control signal generating the second individual pattern is between 20 and 200 milliseconds.
• haptic feedback makes it possible to give the sensation of performing a validation on the tactile surface similar to a double click of the mouse. This effect can also be used to confirm an action.
• control device comprises a display device disposed beneath the tactile surface to display a graphic element through the tactile surface and that the control unit is configured to control the haptic feedback module to generate a haptic feedback in response to a support in the area of the graphic element.
• the subject of the invention is also a control method for controlling a device as described above in which a haptic feedback is generated in response to a touch on the tactile surface, the haptic feedback being composed of:
• the variation of the maximum peak-to-peak value of the acceleration and / or the variation of the maximum peak-to-peak value of the displacement of the tactile surface follows a linear relation as a function of time.
• FIG. 1 represents an example of a control device for a motor vehicle
• FIG. 2 represents a curve showing the value of the acceleration of the displacement of the tactile surface as a function of time for an example of haptic feedback
• FIG. 3 represents a curve showing the value of the acceleration of the displacement of the tactile surface as a function of time for another example of haptic feedback.
• FIG. 1 represents a control device 1 for a motor vehicle, for example mounted in the dashboard or in a central console of the vehicle, for order on-board vehicle systems such as air conditioning, radio, music, telephone, ventilation or navigation systems.
• a control device 1 for a motor vehicle for example mounted in the dashboard or in a central console of the vehicle, for order on-board vehicle systems such as air conditioning, radio, music, telephone, ventilation or navigation systems.
• the control device 1 comprises a tactile surface 2 and a haptic feedback module 4 configured to vibrate the tactile surface 2.
• haptic a return by touch.
• haptic feedback is a vibratory or vibrotactile signal.
• the touch surface 2 is intended to detect a touch of a finger of a user on the touch surface 2 or any other activation means (for example a stylus) of a user having for example modified or selected a command.
• the control device 1 may comprise a display device 3 disposed beneath the tactile surface 2 to display a graphic element through the tactile surface 2, which is then transparent, thus forming for example 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, enabling a dedicated function, selecting a track from a list, or generally scrolling through 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 touch surface 2, in different positions (in the center or on one side) or in different orientations (in the direction of the 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 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 translational movement of the plate to generate the haptic feedback to the user's finger.
• This technology is easily controllable and can move large masses, such as a screen, at various frequencies and meets the strict automotive constraints that are low cost, good resistance to significant temperature variations, and ease of use. in place.
• the control device 1 further comprises a control unit 5 configured to drive the haptic feedback module 4 in order to generate a haptic feedback in response to a pressing on the touch surface 2, for example at a graphic element of the device display 3, as an icon or pictogram.
• a control unit 5 configured to drive the haptic feedback module 4 in order to generate a haptic feedback in response to a pressing on the touch surface 2, for example at a graphic element of the device display 3, as an icon or pictogram.
• the haptic feedback is composed of at least two individual haptic patterns M1, M2, M3 ... Mn having an identical appearance, with a period without haptic feedback B1, B2, interposed between two successive individual haptic patterns M1, M2, M3. .. Mn.
• control unit 5 sends control signals to the haptic feedback module 4 comprising, for example, a control socket sent to the actuator, for example of square, triangle or sinusoidal shape.
• Each control signal generates an individual haptic pattern.
• FIG. 2 shows an example of a haptic feedback, illustrated by the measurement of the acceleration of the tactile surface 2 in Z, in a direction parallel to the direction of support of the finger on the tactile surface 2.
• the value of measured acceleration for the individual haptic patterns M1, M2, M3 ... Mn generally has a sinus form damped. The same illustration can be obtained by measuring the displacement of the tactile surface 2 in Z.
• the energy of the individual haptic patterns M1, M2, M3 ... Mn varies with their repetition over time. For example, the energy of the individual haptic patterns M1, M2, M3 ... Mn increases or decreases progressively over time.
• the maximum peak-to-peak value of the acceleration A which varies with the repetition of the individual haptic pattern M1, M2, M3 ... Mn.
• the peak-to-peak value of the acceleration A of the haptic patterns A1, A2, A3, A4 is for example between 0.5G and 15G.
• the individual haptic patterns M1, M2, M3 ... Mn generated have the same pace
• haptic M1, M2, M3 ... Mn is for example between 60Hz and 400Hz.
• a period without haptic feedback B1, B2 is started during which there is no displacement of the touch surface 2.
• a period without haptic feedback B1, B2 is a period for which no acceleration or displacement of the tactile surface 2 is perceived, because it is null (le) or less than the vibration of the moving vehicle. It is for example an acceleration lower than 1 G.
• the duration of a period without haptic feedback B1, B2 is for example between 10 and 240 milliseconds.
• the periods without haptic feedback B1, B2 repeated between the individual haptic patterns M1, M2, M3 ... Mn, may be identical or not.
• the end of a period without haptic feedback B1, B2 is controlled by controlling the inter-command duration SOA between the beginning of a control signal generating an individual haptic pattern M1 and the beginning of a signal following order.
• the duration of a period without haptic feedback B1, B2 is determined for example by measuring the duration from which the measured acceleration is less than a predetermined threshold.
• the haptic feedback can be generated over a predefined duration D or can be generated as long as the finger is in contact with the touch surface 2.
• the individual haptic pattern M1, M2, M3 ... Mn is repeated between 3 and 10 times over a predefined duration D, for example between 10 and 5000 milliseconds, such as between 10 and 3000 milliseconds.
• a period without haptic feedback B1, B2 is for example between 5 and 200 milliseconds.
• a haptic feedback generated in response to a support on the tactile surface 2, having a repetition of several haptic patterns M1, M2, M3 ... Mn has thus been represented.
• a first period without haptic feedback B1 is interposed between two first individual haptic patterns M1 and M2.
• a second period without haptic feedback B2 is interposed between the individual haptic patterns M2 and M3, and so on ...
• the progressive increase or decrease in the value of the acceleration is such that the evolution of the maximum peak-to-peak value of the acceleration A1, A2, A3, A4 of the haptic patterns follows a linear relation L as a function of time t.
• the increase or the progressive decrease in the value of the displacement of the tactile surface 2 is such that the evolution of the maximum peak-to-peak value of the displacement of the tactile surface 2 follows a linear relationship L as a function of time t.
• This linear relationship L is, for example, such that the ratio between the maximum peak-to-peak acceleration value A2 of an individual haptic pattern N and the maximum peak-to-peak acceleration value A1 of a previous individual haptic pattern N-1 between 0.6 and 0.95.
• This relationship can for example be associated with a button-shaped graphic element. This gives the user a feeling of increase, which enables him to better understand the function of the graphic element.
• this linear relationship L is such that the ratio between the maximum peak-to-peak acceleration value A2 of an individual haptic pattern N and the maximum peak-to-peak acceleration value A1 of a previous individual haptic pattern.
• N-1 ranging from 1, 05 to 1, 4.
• This relationship can for example be associated with a button-shaped graphic element. This gives the user a feeling of diminution, which enables him to better understand the function of the graphic element.
• the haptic feedback is generated over a predefined duration D, such as between 500 and 5000 milliseconds.
• the associated function allows for example the fast incrementation / decrementation of a function.
• a graphic element representing a large fan may increase the ventilation directly to the maximum value.
• the user who presses a graphic element representing a small fan can directly decrease the ventilation to the minimum value.
• the duration DM1 of the first individual haptic unit M1 is between 10 and 200 milliseconds
• the maximum peak-to-peak value of acceleration A2 of the second individual haptic pattern M2 is between 0.25 and 4,
• the predefined duration D on which the individual haptic patterns M1, M2 are generated is less than 200 milliseconds
• haptic feedback makes it possible to give the sensation of carrying out a validation on the tactile surface 2 similar to a double click of the mouse. This effect can also be used to confirm an action. Thus it can be expected in parallel that the control unit 5 is waiting for the confirmation of an action.
• the linear relationship L is such that the ratio between the maximum peak-to-peak acceleration value A2 of the tactile surface 2 of an individual haptic pattern N and the maximum peak-to-peak value d A1 acceleration and / or displacement of the touch surface 2 of a previous individual haptic pattern N-1, between 0.6 and 0.55.
• This relationship can for example be associated with a graphic element in the form of cursor, rotary or rectilinear. This reinforces the sensation perceived by the user sliding his finger on the touch surface 2. This allows to give the illusion of a sense of sliding.
• the progressive decrease in the value of the acceleration and / or displacement of the tactile surface 2 of the individual haptic patterns M1, M2, M3 ... Mn follows a linear relation L such that the ratio between the value peak-to-peak acceleration A2 of an individual haptic pattern N and the maximum peak-to-peak value of acceleration A1 and / or displacement of the tactile surface 2 of a previous individual haptic pattern N-1 is between 1 , 2 and 1, 3. This reduces the sensation perceived by the user sliding his finger on the touch surface 2. This allows to give the illusion of a sense of sliding.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Human Computer Interaction (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Mechanical Engineering (AREA)
• User Interface Of Digital Computer (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=53298403

Family Applications (1)

Country Status (6)

Families Citing this family (3)

Family Cites Families (14)

• 2014
  • 2014-12-15 FR FR1402859A patent/FR3030071B1/fr active Active
• 2015
  • 2015-12-14 US US15/533,822 patent/US10261587B2/en active Active
  • 2015-12-14 WO PCT/FR2015/053479 patent/WO2016097562A1/fr active Application Filing
  • 2015-12-14 CN CN201580067865.2A patent/CN107209635A/zh active Pending
  • 2015-12-14 JP JP2017531896A patent/JP6749909B2/ja active Active
  • 2015-12-14 EP EP15823649.7A patent/EP3234738A1/de not_active Ceased

Non-Patent Citations (2)

Also Published As

Similar Documents

Legal Events