EP3947013A1 - Wischgestenerkennungsvorrichtung und verfahren zur ermittlung einer auf ein bewegliches oberflächenelement einer fahrzeugkomponente ausgeübten wischgeste - Google Patents
Wischgestenerkennungsvorrichtung und verfahren zur ermittlung einer auf ein bewegliches oberflächenelement einer fahrzeugkomponente ausgeübten wischgesteInfo
- Publication number
- EP3947013A1 EP3947013A1 EP20713631.8A EP20713631A EP3947013A1 EP 3947013 A1 EP3947013 A1 EP 3947013A1 EP 20713631 A EP20713631 A EP 20713631A EP 3947013 A1 EP3947013 A1 EP 3947013A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- surface element
- spring
- designed
- recognition device
- swiping gesture
- 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- Withdrawn
Links
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Classifications
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- 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
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/005—Measuring force or stress, in general by electrical means and not provided for in G01L1/06 - G01L1/22
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
- H01H13/186—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- 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
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- 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
- B60K2360/1446—Touch switches
-
- 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
- B60K2360/146—Instrument input by gesture
- B60K2360/1468—Touch gesture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H59/12—Range selector apparatus comprising push button devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
- H01H2013/525—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch using a return spring acting perpendicular to the actuating direction
Definitions
- the present invention relates to a swiping gesture recognition device and a method for determining a swiping gesture exerted on a movable surface element of a vehicle component according to the main claims.
- Flat touch-sensitive input elements also called touch applications or touchscreens
- touch applications are currently used in many applications. They are characterized, for example, by easy handling and very little installation space.
- a crucial disadvantage, however, is the lack of feel. The user is only dependent on visual feedback or acoustic feedback. This requires a high degree of concentration and is therefore especially useful for safety-critical driving functions in a vehicle, such as. B. the Fahrstu fen inches, not without risk, as it can quickly lead to accidental entries.
- the present invention creates an improved wiping gesture recognition device and an improved method for determining a wiping gesture exerted on a movable surface element of a vehicle component according to the main claims.
- Advantageous refinements result from the subclaims and the following description.
- a swiping gesture recognition device for determining a swiping gesture exerted on a movable surface element of a vehicle component, the swiping gesture recognition device having the following features:
- a spring that applies a bias between the movable surface member and a housing member of the vehicle component
- a contactless measuring distance sensor with at least two sensor elements arranged at different union positions for detecting a distance between the surface element and the housing element at the positions of the sensor elements; and an evaluation unit which is designed to determine the wiping gesture exerted on the surface element using a parameter of the spring and the distances between the surface element and the housing element detected by the sensor elements.
- a swiping gesture can be understood to mean a movement in which, for example, the finger of a user touches the surface element and is actively guided over the surface element during this touch.
- a force or pressure is exerted on a region of the surface element that changes over time.
- a distance sensor can be understood to be a sensor that has several sensor elements as partial sensors that are arranged at different positions and can detect the distance between the surface element and the housing element at the corresponding positions of these partial sensors or sensor elements without contact.
- a distance sensor can detect the distance capacitively or inductively.
- an evaluation unit can be understood to mean a component in which the corresponding distance value or the spring parameter is processed and the swiping gesture exerted on the surface element is determined.
- the approach presented here is based on the knowledge that the at least two sensor elements of the distance sensor allow very precise two- or multi-dimensional detection of a movement path of a pressure point on the surface element if, for example, a user of the vehicle component presses the surface element with a finger and this finger moves in a certain pattern or course of movement.
- a spring parameter in particular the spring constant
- the evaluation unit can be designed to recognize a path of a finger over the surface element as a swiping gesture.
- the evaluation unit can be designed to determine a movement path of the pressure of the finger on the surface element using distances recorded by the sensor elements and recorded at different times.
- the swiping gesture can be recognized as such when the path or the movement trajectory is longer than a predefined minimum path and / or in order to recognize the swiping gesture when the finger was pressed onto the surface element with a force that is greater than a minimum force .
- This minimum force can be, for example, 3 to 10 Newtons or be designed in such a way that the distance between the surface element and the housing element is reduced by 0.1 to 0.3 mm under the action of the spring on the relevant sensor element.
- Such a Ausense approximate form of the approach proposed here offers the advantage of enabling a very robust and thus trouble-free detection of the swiping gesture, since for the actual detection of the swiping gesture, for example, unintentional touches of the surface element based on the detected pressure and / or movement pattern of the path Fingers can be discarded via the surface element.
- the spring is designed as a leaf spring and / or has at least several spring wings on different sides of the spring, by means of which it is connected to the housing element and / or the surface element of the vehicle component is.
- the distance sensor is designed as a capacitive and / or inductive measuring sensor, in particular wherein the sensor elements are designed to measure the distance between the surface element and the housing element at the positions of the sensor elements to measure capacitively and / or inductively.
- Such an embodiment offers the advantage, with technically very simple means, a precise, low-friction and cost-effective measurement of the distances between the housing element and the surface element at the respective positions of the sensor elements. to be able to make ments. At the same time, such a measurement technology is technically mature.
- the spring can be at least partially designed and / or fastened to the housing element in such a way that it has a different spring stiffness in different, in particular opposite directions of movement and / or the spring at least partially as a measuring transducer of the distance sensor is trained.
- Such an embodiment of the approach proposed here offers the advantage of being able to give a user of the swiping gesture recognition device feedback on the actuation of the surface element in a very flexible manner.
- the different spring stiffness can be realized by a different length of free movement path of the spring or that part of the spring, which can be moved in the respective movements. For example, when the surface element is pressed down, a different spring stiffness can act than when the surface element is released.
- This can also simplify the use of an actuator, which is described in more detail below, since, for example, for an active movement of the surface element brought about by the actuator, the surface element experiences a lower counterforce than a finger pressing on the surface element.
- the spring has at least partially a metallic material, in particular has copper, aluminum and / or steel.
- a metallic material in particular has copper, aluminum and / or steel.
- a particularly good haptic feedback of a recognized swiping gesture on a dignified one of the surface element can be implemented in one embodiment of the approach proposed here, in which an actuator is provided that is connected to is mechanically coupled to the surface element and which is designed to actively move the surface element when the swiping gesture has been recognized.
- a particularly favorable embodiment of the approach proposed here can be achieved if the actuator is designed to surround the surface element with a frequency of 50 to 30 Hertz and / or an amplitude or deflection of a maximum of 0.15 mm and / or damping a vibration of 5% of a maximum amplitude after 3 cycles and / or an acceleration to the first oscillation maximum of up to 6G.
- the actuator can actively control movements of the surface element that can be received or recognized very precisely and sensitively by the (operating) surface element due to physiological properties or the human sense of touch.
- An embodiment of the approach proposed here in which the actuator has at least one coil, in particular which is arranged centrally in relation to the surface element and the housing element, is particularly easy to manufacture from a technical point of view. As a result, a haptically easily perceptible movement can be induced in the entire surface element.
- the surface element can at least partially have a relief-shaped contour that a finger of an operator of the vehicle component can follow as a swiping gesture. This makes it easier for the operator of the surface element to orientate himself so that the operator can quickly find a special position on the surface element that corresponds to a desired function to be set by means of a sense of touch even without eye contact.
- An evaluation unit can also advantageously be provided which is designed to execute and / or control the steps of a variant of a method presented here in appropriate units.
- the advantages mentioned can also be realized in a technically very simple manner by using a unit of values.
- An evaluation unit can be an electrical device that processes electrical signals, for example sensor signals, and outputs control signals as a function thereof.
- the evaluation unit can have one or more suitable interfaces which can be designed in terms of hardware and / or software.
- the interfaces can for example be part of an integrated circuit in which functions of the device are implemented.
- the interfaces can also be separate, integrated circuits or at least partially consist of discrete components.
- the interfaces can be software modules that are present, for example, on a microcontroller alongside other software modules.
- Also of advantage is a computer program product with program code that can be stored on a machine-readable carrier such as a semiconductor memory, a hard disk or an optical memory and is used to carry out the method according to one of the embodiments described above when the program is on a computer or an evaluation unit is executed.
- a machine-readable carrier such as a semiconductor memory, a hard disk or an optical memory
- FIG. 1 shows a schematic illustration of a vehicle with a swiping gesture recognition device according to an exemplary embodiment
- FIG. 3 is a perspective view of a surface element
- FIG. 4 is a perspective view of a spring
- Fig. 5 shows a perspective view of a partial section of the vehicle component
- Fig. 6 is a cross-sectional view through a portion of the vehicle component
- FIG. 7 shows a diagram on which the distance according to FIG. 6 is plotted in millimeters on the abscissa and a corresponding electrical signal is plotted in millivolts on the ordinate;
- Fig. 9 is a cross-sectional view of a vehicle component in the assembled state
- 10A to 10K show a perspective view of different steps or process stages of the lowering position or assembly of a vehicle component in several partial figures, as was described in more detail above;
- FIG. 11 shows a flowchart of an exemplary embodiment as a method for determining a swiping gesture exerted on a movable surface element of a vehicle component
- FIG. 12 shows a block diagram of an evaluation unit for determining a swiping gesture exerted on a movable surface element of a vehicle component.
- Figure 1 shows a schematic representation of a vehicle 100 in which, for example, a motor 110 provides a drive power to a transmission 120, from which in turn the drive power is transmitted to wheels 125 of the vehicle 100 gene will.
- a gear selector switch is provided as vehicle component 130, via which a vehicle occupant 135 can select a gear selection or a gear ratio of the transmission 120.
- the vehicle component 130 is designed in such a way that to actuate the vehicle component 130, here the selection of the specific gear selection stage, only a pressure or a movement / swiping gesture with the finger should be exerted on a (operating) surface element 140, From this pressure or the movement or swiping gesture, the vehicle component 130 then recognizes the gear selection request entered manually by the vehicle occupant 135 and controls the transmission 120 accordingly by means of a control signal 142.
- vehicle component 130 shown here is designed for the manual input of other control commands, for example for controlling an infotainment system 150 or the like.
- the function of the vehicle component 130 for convenient input of a control command by the vehicle occupant 135 is of particular relevance here will be described in more detail.
- Figure 2 shows a vehicle component 130 in an exploded view. Playback here is (operating) surface element 140, which has, for example, contours 200 which can be formed out as elevations for guiding a finger of the user. Furthermore, the vehicle component has a printed circuit board of printed circuit board 210 on which electronic components such as evaluation unit 215 are arranged and which, for example, lines embedded in printed circuit board 210 or external cables 220 are connected to electronic components that are not arranged on or in printed circuit board 210 or embedded.
- electronic components such as evaluation unit 215 are arranged and which, for example, lines embedded in printed circuit board 210 or external cables 220 are connected to electronic components that are not arranged on or in printed circuit board 210 or embedded.
- At least three sensor elements 222 are also arranged on the circuit board 210 as part of a distance sensor 224, which can detect a distance between the surface element 140 (which is connected to the circuit board 210) and a measuring element arranged underneath without contact, the measuring element being described in more detail later becomes.
- an actuator 225 is shown in an exploded view in FIG. 2, in which a coil 230 is placed on a fastening dome 235 and the coil 230 and the fastening dome 235 are accommodated in a casing 240 as a housing and fastened in a housing element 245 of the vehicle component 130.
- the housing element 245 can contain plastic material, for example, or be manufactured from this plastic material, for example by means of an injection molding process.
- a spring 250 is shown in the representation of the vehicle component 130, which we have several upwardly extending spring wings 255, of which, for example, a part is unwound in the upper end and thus form end surfaces 260 which, for example, as a partial or measuring element, a counterpart to the respective sensor element 222 of the distance sensor 224 can form.
- These end surfaces 260 can, for example, be arranged opposite the sensor elements 222 and thus serve as a measuring element for contactless distance detection of a distance between these end surfaces 260 and the sensor elements 222.
- the spring 250 which contains the end faces 260, is hereby provided with fastening means such as for example, fastening screws 265 are screwed to the housing element 245, so that the end surfaces 260 can serve as a reference for the rigid housing element 245, which is connected, for example, in a fixed or rigid manner to other components of the vehicle 100 from FIG.
- the evaluation unit 215 can also be connected in an electrically conductive manner to components of a main board 270, which then also contains a control device, for example, in order to output the control signal 142 from FIG. In the illustration from FIG.
- end surfaces 260 of the spring 250 of the vehicle component 130 are provided, but alternatively only two or three spring elements or end surfaces 260 of the spring 250 of the vehicle component 130 could be provided in order to adjust a finger pressure position to determine the surface element 140 or a course of the pressure movement of the finger on the surface element 140 and from this the swiping gesture.
- swipe gesture recognition device 160 In order to obtain the swipe gesture recognition device 160 according to the approach presented here, several of the components shown in FIG. 2 can be used, for example the spring 250, the distance sensor 224 with the sensor elements 222 and the evaluation unit 215.
- FIG. 3 shows a perspective view of a surface element 140 in which the contours 200 are shown in more detail.
- the contours 200 divide individual areas of the surface element 140, so that, for example, haptic guidance is also enabled or facilitated for the operator of this surface element 140 by the contours 200, and here the operator of this surface element 140 very easily provides the corresponding finds the desired switching position, which he can select by pressing this area of the surface element 140.
- the user interface element 140 should have a high degree of rigidity (> 70 N / mm) for the formation of homogeneous feedback, also at its edge regions.
- this (operating) surface element 140 the user or operator can put his finger on a Place the touch-sensitive area (button, slider or XY pad) on the user interface element 140.
- this area can represent, for example, on the DR slider or the buttons P or N, as shown in FIG.
- a touch function e.g. touch button
- the user or operator should exert a force on the corresponding position of the surface element 140.
- this force can be between 3N and 10N depending on the function, so that the surface element 140 or a component connected to it such as the circuit board 210 is correspondingly depressed.
- spring 250 including spring wings 255, which are designed here as leaf springs with end faces 260 and which are arranged opposite corner areas of the user interface element 140 or the circuit board 210 , on which the sensor elements 222 are positi oned, but are screwed firmly ver as a fixed bearing relative to the housing element 245.
- spring wings 255 are designed here as leaf springs with end faces 260 and which are arranged opposite corner areas of the user interface element 140 or the circuit board 210 , on which the sensor elements 222 are positi oned, but are screwed firmly ver as a fixed bearing relative to the housing element 245.
- a spring with 4 spring wings are provided for the present example of the vehicle component, which are formed as Blattfe deretti.
- Another part of the (counter) force on the pressure exerted by the fin ger is realized, for example, by means of the spring 250 together with the further spring wings 255 which protrude in the area of the spring 250 to which the fastening screws 265 are attached, as will be explained in more detail below he is being purified.
- FIG. 4 shows a perspective view of such a spring 250, in which spring wings 255 protrude unwound on the one hand, which then have the end surfaces 260 which can be arranged opposite the sensor elements 222 from FIG.
- the spring 250 has, for example, further spring wings 255 which extend away from an edge region of a base body of the spring 250.
- Figure 5 shows a perspective view of a partial section of the vehicle component 130, in which the spring 250 with a fastening screw 265 on the body Housing element 245 is fastened and with another fastening screw 265 on a web 500 of the surface element 140 or the circuit board 210.
- the spring elements or spring wings 255 are designed so that a maximum force triggering threshold is reached after 0.1 to 0.3 mm, so that the user interface element 140 still acts overall as "rigid" for the user and the movement of the user interface element 140 is not perceived .
- the system should have a force sensor system that can sense the force applied by the user to the user interface.
- a force sensor system can be implemented by the sensor elements 222, which can detect a contactless reduction in the distance between the sensor elements in relation to the end surfaces 260 of the feet of the 250 and using the knowledge of a stiffness of the feet of the 250, here specifically the stiffness the spring wing 255, the screws with the fastening 265 on the surface element 140 and the housing element 245 be fastened.
- the user force is implemented by means of inductive distance measurement, for example using four coils (which, for example, are designed as planar coils), which are located as sensor elements 222 in the corner areas of the touch PCB, i.e. the circuit board 210.
- the touch PCB or printed circuit board 210 is attached with the rear on the user interface element 140 (z. B. laminated).
- the coils of the sensor elements 222 are damped, for example, by means of the end surfaces 260 of the spring 250 designed as defined damping surfaces (which is designed here as a leaf spring), which are parallel to the coils of the sensor elements 222 at a defined distance (e.g. 0.5 mm) are below.
- FIG. 6 shows a cross-sectional view over a partial area of the vehicle component 130, in which it is shown how the finger force represented by an arrow F is impressed on the surface element 140.
- the stand d between the sensor element 222 and the end face 260 is reduced by pressing down the surface element 214, whereby the inductance in the area of a sensor element 222 designed as a coil changes.
- the sensor element 222 can also be designed as a capacitive sensor, in which case, when the distance d is reduced, a capacitance between the End face 260 and the sensor element 222 enlarged.
- the current distance d can then be inferred very precisely, with knowledge of this distance d and the spring stiffness or spring constant of the spring 250 or the spring wing 255 between the housing element 245 and the surface element 140, as shown for example in FIG. 4 or 5, it is possible to draw a conclusion about the current force F which is exerted on the surface element 140 by the finger.
- the user thus applies a force F to the user interface element 140 and thus also to the 4 sensor elements 222 opposite the end surfaces 260 of the leaf spring 250, it is pressed in in the Z direction.
- the material of the leaf spring should have good electrical conductivity and a low resistance (e.g. CuZn37 R630) so that a change in the air gap d caused by the finger pressure with the force F of the user has a sufficiently large attenuation of the signal .
- FIG. 7 shows a diagram on which the distance d according to FIG. 6 is plotted in millimeters on the abscissa and a corresponding electrical signal in millivolts is reproduced on the ordinate of the diagram shown in FIG.
- a first characteristic curve 700 shows the relationship between a change in distance and the resulting electrical signal when the spring 250 is made of steel.
- a second characteristic curve 710 shows the relationship between the distance d and a resulting electrical signal when the spring 250 is made of a different steel material.
- a third characteristic curve 720 shows the relationship between the distance d and the resulting electrical signal of a sensor element 222 when the spring is made of copper, while a fourth characteristic curve 730 shows the relationship between the distance d and a The resulting electrical signal of the sensor element 222 reproduces when the spring 250 is made of aluminum.
- a force sensor system can be seen, among other things, in the fact that it is a contactless sensor system. No interfering noise occurs because the signal transmitter and signal receiver are (mechanically) decoupled.
- a force sensor system can be produced inexpensively, since a sensor damping and a spring function can be implemented in one component.
- a very high measurement accuracy can also be achieved, which makes this approach, a force sensor system ideal for the detection of relatively small movements of 0.1 mm to 0.3 mm.
- the position of a finger pressure on the control surface element 140 can be determined very precisely and can be compared, for example, with the results of the touch sensors.
- the position of the pressure of the finger on the user interface element 140 can take place, for example, by a triangulation, in which the distances of the individual sensor elements 222 from FIG. 2 or 6 with the known distances of the sensor elements 222 are related to one another, so that the position of the Pressure of the finger on the surface element 140 can be determined.
- the swiping gesture can then be based on this knowledge or the temporal course of the finger movement Swiping gesture determination device 160 can be determined, which can then be used for safe control of vehicle functions. In this way, a high level of functional safety can be achieved.
- the spring rate of the spring elements or here the Federflü gel 255 depends on the maximum force triggering threshold, which should be reached, for example, after a maximum pushing movement of 0.1 to 0.3 mm. This can be at higher forces (e.g. 100 N / mm). As a result, the The power of the actuator 225 would also have to be correspondingly high and thus the structural size and also the costs would increase. Such a disadvantage can be prevented by a suitable design and integration of the spring 250 (designed here as a leaf spring) in the overall system of the vehicle component 130, as will be explained in more detail in the following description.
- FIG. 8 shows partial representations of the implementation of a different spring force in different directions of movement of the spring 250, which can be used to implement the concept of force threshold determination indicated above.
- the right partial figure of FIG. 8 shows a section of the vehicle component 130 from a different angle than FIG. 5, the fastening of the spring 250 via the spring wings 255 and the fastening screws 265 being shown.
- the left partial figure from FIG. 8 in the lower representation, it can be seen how a very short length of the spring wing 255 is available for deflection when the web 500 is moved downward, and this results in a high spring stiffness of the spring wing 255.
- This short length of the spring wing 255 is set by a kink edge 800 which sets a length of the spring wing 255 between one end of the housing element 245 and the fastening screw 265. If, on the other hand, the web 500 is moved upwards, as shown in the upper illustration of the left partial figure of FIG. 8, this kink edge 800 is located directly at the fastening screw 265, so that a significantly greater length of the movable spring wing 255 results here, which then forms a lower spring constant of the spring wing 255.
- the lever of the spring element or of the spring wing 255 is thus reduced, for example, and the spring rate is thus increased.
- the spring rate is significantly lower and thus the output of the actuator 225 can also be designed correspondingly smaller.
- the haptic feedback is specified and tested due to the repeatability in the non-actuated state. With haptic feedback, according to an guide example, a distinction is made between the following haptic feedback options depending on the touch function:
- a defined touch gesture e.g. defined swiping gesture length
- active damping can also be implemented in order to minimize post-oscillation of the system.
- the haptic feedback output can be realized in different ways according to one embodiment.
- haptic feedback can be provided by the system by means of the coil 230, which is designed as a voice coil and which is positioned as centrally as possible under the user interface element 140, for example.
- the coil carrier with winding as the coil 230 (which can be fixed to the surface element 140 with the fastening dome 235 and is surrounded by the jacket 240 is fastened to the operating surface (e.g. screwed).
- the jacket 240 including the permanent magnet is accordingly The position of the coil 230 is fastened in the housing element 245 below it.
- This mechanical structure is similar to that of a loudspeaker.
- the user interface element 140 would be the membrane.
- FIG. 9 shows a cross-sectional view of a vehicle component 130 in the assembled state, as shown in FIG. 2 as an exploded view.
- an actuator force F A can be exerted on the operating surface element 140 by the actuator 225, by means of which the haptic feedback can be given to the user's finger.
- a finger resting on a user interface element 140 is thus first detected by means of a, for example, touch-sensitive sensor system (e.g. capacitive or inductive) on the back of the user interface element 140.
- the finger force exerted by the operator on the operating surface element 140 is sensed by means of a force sensor system such as the distance sensor 224.
- the position of the finger is above a selectable function on the user interface element 140 and the force exerted with the finger is greater than or equal to a defined force triggering threshold, e.g. B. 3.5 N, there is a haptic feedback via the user interface element to the user.
- a defined force triggering threshold e.g. B. 3.5 N
- the feedback system can, according to one exemplary embodiment, be designed as a property of the feedback in order to generate an impulse and thus a vibration on the user interface element 140.
- the oscillation on the surface is, for example, in the frequency range from 50 to 300 Hz, since the Pacini receptors in the finger react most sensitively to pressure stimuli in this range. Furthermore, the oscillation at the surface has a maximum
- FIG. 10 shows, in a perspective illustration, different steps or process stages of the production or assembly of a vehicle component 130, as was described in more detail above, in several partial figures.
- a control surface element 140 is connected on its rear side to the circuit board 210, for example is laminated.
- Sensor elements 222 can also be seen here, which are embodied in the circuit board 210, for example, as a planar coil and are therefore very easy to manufacture.
- the coil body 230 is placed on a corresponding centering point.
- FIG. 10C shows a perspective view in which the coil body 230 has now been fixed by means of the fastening dome 235 and a coil which is placed on or introduced onto the coil body 230 is connected in an electrically conductive manner to corresponding components.
- the partial figure 10D shows the perspective overall view of the user interface element 140 together with the printed circuit board 210 and coil 230 attached thereto, as it was produced according to the preceding method steps.
- Partial figure 10G shows in a perspective illustration how a light guide 1000 is inserted and / or fixed in the housing element 240 in order to be able to implement very fast data transmission within the vehicle component 130, for example.
- FIG. 10H now shows in a perspective view how the prepared user interface element 140 is joined and aligned on the housing element 245 prepared in this way, and a line 220 is joined through a housing cutout in the housing element 245.
- Partial figure 101 shows a perspective view of how the user interface element 140 is screwed to the housing element 40 by means of the fastening screws 265, this fastening screw 265 being screwed into the web 500 shown in FIG. 5 or 8, for example.
- Partial figure 10J shows a perspective view of an assembly of the main board 270 on the housing elements 245 and the contacting of the circuit board 210 by means of lines / cables 220 can the main board 270
- the partial figure 10K shows how a cover 1010 is attached to the housing element 145 so that the vehicle component can now be protected efficiently and safely from environmental influences such as splash water and dust.
- FIG. 11 shows a flowchart of an exemplary embodiment as a method 1100 for determining a swiping gesture exerted on a movable surface element of a vehicle component using a swiping gesture recognition device according to a variant presented here.
- the method 1100 comprises a step 1110 of reading in a distance per sensor element between the surface element and the housing element and a step 1120 of determining the swiping gesture exerted on the surface element using a parameter of the spring and the distances between the surface element and the sensor elements detected the housing element.
- the evaluation unit 12 shows a block diagram of an evaluation unit 215 for determining a swiping gesture exerted on a movable surface element of a vehicle component using a swiping gesture recognition device according to a variant presented here.
- the evaluation unit comprises a read-in interface 1210 for reading in a distance per sensor element between the surface element and the housing element.
- the evaluation unit 215 further comprises a unit 1220 for determining the swiping gesture exerted on the surface element using a parameter of the spring and the distances between the surface element and the housing element detected by the sensor elements.
- an exemplary embodiment comprises a “and / or” link between a first feature and a second feature
- this can be read in such a way that the exemplary embodiment according to one embodiment has both the first feature and the second feature and, according to a further embodiment, either only that has the first feature or only the second feature.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102019204060.8A DE102019204060A1 (de) | 2019-03-25 | 2019-03-25 | Wischgestenerkennungsvorrichtung und Verfahren zur Ermittlung einer auf ein bewegliches Oberflächenelement einer Fahrzeugkomponente ausgeübten Wischgeste |
PCT/EP2020/058078 WO2020193509A1 (de) | 2019-03-25 | 2020-03-24 | Wischgestenerkennungsvorrichtung und verfahren zur ermittlung einer auf ein bewegliches oberflächenelement einer fahrzeugkomponente ausgeübten wischgeste |
Publications (1)
Publication Number | Publication Date |
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EP3947013A1 true EP3947013A1 (de) | 2022-02-09 |
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EP20713631.8A Withdrawn EP3947013A1 (de) | 2019-03-25 | 2020-03-24 | Wischgestenerkennungsvorrichtung und verfahren zur ermittlung einer auf ein bewegliches oberflächenelement einer fahrzeugkomponente ausgeübten wischgeste |
Country Status (5)
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US (1) | US11954261B2 (de) |
EP (1) | EP3947013A1 (de) |
CN (1) | CN113631413A (de) |
DE (1) | DE102019204060A1 (de) |
WO (1) | WO2020193509A1 (de) |
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US20220126867A1 (en) * | 2020-10-26 | 2022-04-28 | Tusimple, Inc. | Wind gust detection by an autonomous vehicle |
CN115303072A (zh) * | 2022-08-09 | 2022-11-08 | 一汽奔腾轿车有限公司 | 一种通用化副仪表板及汽车 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10312338A1 (de) * | 2003-03-20 | 2004-10-07 | Peter Eisele | Berührungsempfindliche Erfassungsvorrichtung |
DE102005038161A1 (de) * | 2004-12-30 | 2006-07-13 | Volkswagen Ag | Eingabevorrichtung |
US9063627B2 (en) * | 2008-01-04 | 2015-06-23 | Tactus Technology, Inc. | User interface and methods |
DE102008061987A1 (de) * | 2008-12-12 | 2010-06-17 | Volkswagen Ag | Bedienverfahren und Bedieneinrichtung |
US9410613B2 (en) * | 2012-11-27 | 2016-08-09 | Continental Automotive Systems, Inc. | On-screen gear selector for automatic transmission |
KR101488307B1 (ko) * | 2013-04-29 | 2015-01-30 | 현대자동차주식회사 | 스마트 터치 방식 전자식 자동변속레버 |
DE102013225463A1 (de) * | 2013-12-10 | 2015-06-11 | Behr-Hella Thermocontrol Gmbh | Bedienvorrichtung für ein elektrisches Gerät oder eine Anlage, insbesondere für eine Fahrzeugkomponente |
DE102015200010A1 (de) * | 2015-01-02 | 2016-07-07 | Volkswagen Ag | Fortbewegungsmittel und Anwenderschnittstelle für ein Fortbewegungsmittel |
DE102015200037A1 (de) * | 2015-01-05 | 2016-07-07 | Volkswagen Aktiengesellschaft | Bedienvorrichtung mit verbesserter haptischer Rückmeldung |
KR101994576B1 (ko) * | 2015-05-26 | 2019-06-28 | 폭스바겐 악티엔 게젤샤프트 | 신속한 햅틱 피드백을 구비한 조작 장치 |
DE102016101556B3 (de) * | 2016-01-28 | 2017-07-27 | Behr-Hella Thermocontrol Gmbh | Bedieneinheit für ein Fahrzeug |
GB2547032B (en) * | 2016-02-05 | 2020-05-20 | Ford Global Tech Llc | A vehicle human interface assembly |
WO2018046302A1 (de) * | 2016-09-09 | 2018-03-15 | Behr-Hella Thermocontrol Gmbh | Bedieneinheit für ein gerät, insbesondere für eine fahrzeugkomponente |
EP3538794A1 (de) * | 2016-11-09 | 2019-09-18 | Arrival Limited | Getriebeauswahlsystem und -verfahren |
FR3066639A1 (fr) * | 2017-05-18 | 2018-11-23 | Delphi Technologies, Inc. | Ensemble de commande par contact glissant d'un panneau de commande pour vehicule automobile |
DE102017211062B4 (de) * | 2017-06-29 | 2022-06-30 | Bayerische Motoren Werke Aktiengesellschaft | Bedienelement für ein Fahrzeug |
US11132059B2 (en) * | 2017-09-14 | 2021-09-28 | Logitech Europe S.A. | Input device with haptic interface |
US11300090B2 (en) * | 2017-10-02 | 2022-04-12 | Walbro Llc | Multi-function engine control and input system |
US11376957B2 (en) * | 2018-01-05 | 2022-07-05 | Ghsp, Inc. | Vehicle shifter interface having capacitive touch rotary shifting |
US10907729B2 (en) * | 2018-02-20 | 2021-02-02 | Ghsp, Inc. | Wire-based transmission shifter with integrated electrical switch control |
KR102584369B1 (ko) * | 2018-12-11 | 2023-10-04 | 에스엘 주식회사 | 차량용 변속 장치 |
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2019
- 2019-03-25 DE DE102019204060.8A patent/DE102019204060A1/de active Pending
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2020
- 2020-03-24 US US17/598,068 patent/US11954261B2/en active Active
- 2020-03-24 EP EP20713631.8A patent/EP3947013A1/de not_active Withdrawn
- 2020-03-24 WO PCT/EP2020/058078 patent/WO2020193509A1/de unknown
- 2020-03-24 CN CN202080023528.4A patent/CN113631413A/zh active Pending
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US11954261B2 (en) | 2024-04-09 |
US20220187924A1 (en) | 2022-06-16 |
DE102019204060A1 (de) | 2020-10-01 |
WO2020193509A1 (de) | 2020-10-01 |
CN113631413A (zh) | 2021-11-09 |
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