• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a control device for a motor vehicle comprising: - a touch surface (2) comprising a contact sensor able to measure a pressing pressure on the touch surface (2) for a predetermined duration (dt; dt1, dt2 ), and - a sensory feedback module (4) configured to generate a tactile feedback in response to a contact of the touch surface (2), characterized in that the sensory feedback module (4) is configured to determine the profile of the sensory feedback to be generated as a function of the variation of the bearing pressure measured on the touch surface (2) for the predetermined duration (dt; dt1, dt2).
    公开号:FR3015383A1
    申请号:FR1303011
    申请日:2013-12-19
    公开日:2015-06-26
    发明作者:Stephanie Dabic；Jean Marc Tissot
    申请人:Dav SA；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a control device for a motor vehicle and a control method of said control device. 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 center of personal and interconnected communication: with for example MP3 player, GPS, connection with mobile phones. 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 indefinitely, especially because of the complexity generated, the limited space, the accessibility or the 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. 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-implantation 25 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"). However, unlike in 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. In order to compensate for the loss of information caused by the substitution of conventional mechanical interfaces with touch screens, there is provision for the addition of feedback, such as haptic feedback, 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. An object of the present invention is to provide a control device and a control method of said control device, which improves the feeling of the user, without hindering the conduct, which is well perceived and appreciated by the users, and which can be discriminable other signals for application of touch screens respecting the automotive constraints. For this purpose, the subject of the present invention is a control device for a motor vehicle comprising: a tactile surface comprising a contact sensor able to measure a pressing pressure on the tactile surface for a predetermined duration, and a module sensing feedback device configured to generate sensory feedback in response to tactile surface contact, characterized in that the sensory feedback module is configured to determine the sensory feedback profile to be generated as a function of the variation of the pressing pressure measured on the touch surface for the predetermined duration. Contrary to a situation in which the same sensory feedback would be generated to the user even if that would achieve a strong, medium or weak support, the proposed control device improves the impression of support by matching the profile of the sensory feedback with the variation of the support pressure. Distinct sensory feedbacks are generated depending on whether the pressure pressure variation is high, medium or low. The sensory feedback can thus be different for the same user at each of his actions according to the force exerted on the tactile surface. In addition, it can be provided that: the sensory feedback module is configured to evaluate the speed of variation of the pressing pressure and to determine the profile of the sensed feedback generated as a function of the variation of the bearing pressure and depending on the speed of variation of the support pressure during the predetermined duration, the sensory feedback module is configured to determine the acceleration of variation of the pressure and to determine the profile of the sensory feedback generated in function of the variation of the pressing pressure and as a function of the acceleration of variation of the pressing pressure during the predetermined duration.
    [0002] The correspondence between the feeling and the support is further improved when the profile of the sensory feedback is based on a pair of parameters representative of the pressing pressure. The profile of the sensory feedback is for example based on the pair of parameters defined by the variation of the pressing pressure and the rate of variation of the pressing pressure or on the torque defined by the variation of the bearing pressure and the acceleration of variation of the support pressure. A dry and strong support thus causes a sensory feedback distinct from a slow and weak support or a weak and weak support or a slow and strong support. According to an exemplary embodiment, the sensory feedback comprises at least two components selected from a vibration, a sound and a visual representation. Indeed, a sensory feedback comprising at least two components of different sensory modalities has the advantage that for the user, the presentation of one of the components will cause the activation of the other. For example, the presentation of a visual primer previously associated with a sound component, facilitates the perceptual processing of sound targets for the user, the mere presentation of the visual component reactivating the associated sound component. The various components of the sensory feedback are for example generated so as to be perceived with a time shift. The visual component is for example generated so as to be perceived before the sound and / or vibration components. The vibration component is for example generated so as to be perceived before the sound component. For example for this, the generations of the different components of the sensory feedback are shifted in time. This desynchronization of perceptions of the components of the sensory feedback makes it possible to better reproduce the temporal offsets of tactile, auditory or visual returns that may exist for conventional mechanical buttons, which are linked to their mechanical functioning. According to an exemplary embodiment, the sensory feedback module comprises a library of sensory returns indexed at least as a function of the pressing pressure.
    [0003] According to another exemplary embodiment, the sensory feedback module is configured to determine the profile of the sensory feedback from a preprogrammed control law at least as a function of the variation of the pressing pressure. The invention also relates to a control method of a control device for a motor vehicle as described above in which a sensory feedback is generated in response to a contact of the tactile surface characterized in that the profile of the Sensitive feedback generated is determined as a function of the variation of the bearing pressure measured on the touch surface for a predetermined duration.
    [0004] According to an exemplary embodiment of the control method, the rate of variation of the pressing pressure is determined and the profile of the sensed feedback generated is also determined as a function of the speed of variation of the pressing pressure for the predetermined duration. According to another exemplary embodiment of the control method, the acceleration of variation of the bearing pressure is determined and the profile of the sensed feedback generated is also determined as a function of the acceleration of variation of the support pressure during the predetermined duration. According to an exemplary embodiment of the control method: a first sensory feedback is generated for a pressure variation less than 1, 2N, a second sensory feedback is generated for a pressure variation of support between 1 , 2 N and 1, 5N, and - a third sensory feedback is generated for a pressure variation greater than 1.5N; the first, second and third sensory feedbacks being distinct from each other. According to an exemplary embodiment of the control method, the profile of a vibration-type sensitive feedback is modified by modifying the value of at least one parameter chosen from the amplitude, the duration, the acceleration and the frequency of the vibration. vibration. The first, the second and the third sensory feedbacks are for example vibrations, at least one parameter chosen from among the amplitude, the duration and the acceleration, has a value which increases with the increase of the pressure variation of support. According to an exemplary embodiment of the control method: an increase in the pressing pressure is measured over a predetermined duration and a sensing back-up is generated whose profile is a function of the variation of the measured bearing pressure, Then, when the measured bearing pressure ceases to increase and decreases, a decrease in the pressing pressure is measured over a predetermined duration and a sensory back release is generated whose profile is a function of the variation of the pressure measured support. Thus, we simulate the "pushed-loose" of a mechanical button. In addition, the sensory back-rest may be different from the sensitive back-release, depending on the intensities and, if appropriate, on the speeds of the support for the actuation of a button-type button. The control method provides, for example, a delay time for which sensory feedback is not generated after the generation of the sensing feedback. This simulates a sensation of abutment of the depression. According to another example, a sensory abutment feedback is generated after the generation of the back feel feedback. The sensory back-stop, intermediate between the sensory back-rest and the relaxed-back return, makes it possible to reproduce the mechanical sensation of a stop perceived when a key reaches its abutment. In addition, provision can be made not to generate sensory feedback as long as the measured bearing pressure ceases to increase and decreases with a variation of bearing pressure lower than a predetermined pressure variation threshold after the generation of the sensory feedback. support. Indeed, when the finger of the user remains pressed on the touch surface exerting a small pressure variation, even after a delay time, the user must keep the release control and therefore not activate a function without the want if it is taken into account when released and if the variation of pressure of support is insufficient. The predetermined duration during which the variation of the pressing pressure is measured is, for example, less than 30 milliseconds. SUMMARY DESCRIPTION OF THE DRAWINGS Other advantages and characteristics will appear on reading the description of the invention, as well as on the appended figures which represent an exemplary non-limiting embodiment of the invention and in which: FIG. 1 represents an example of a control device for a motor vehicle, FIG. 2 represents a vibratory feedback as a function of time (curve 2) matched to the pressure of a user on the tactile surface as a function of time (curve 1), and - Figure 3 illustrates a control method of a control device. In these figures, the identical elements bear the same reference numbers. DETAILED DESCRIPTION FIG. 1 represents a control device for a motor vehicle 1, for example arranged in a control panel of the vehicle.
    [0005] The control device 1 comprises a touch-sensitive surface 2 and a sensory feedback module 4 configured to generate a tactile feedback in response to contact of the touch-sensitive surface 2 by a finger or any other activation means (for example a stylus). a user having, for example, modified or selected a command. The touch surface 2 is for example that of 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 capable of measuring a pressing pressure on the touch surface for a predetermined duration. 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. 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. 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.
    [0006] In another example, the contact sensor is based on a capacitive technology. The sensory return is for example a haptic feedback, we call "haptic", a return by touch. Thus, the haptic feedback is for example a vibratory or vibrotactile signal. In this case, the sensory feedback module 4 comprises at least one actuator 3 connected to the plate of the touch surface 2, to generate a vibration as a function of a signal from the contact sensor. 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 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 3. 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 the support on the surface or in another axis). According to an exemplary embodiment, the actuator 3 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 200pm, 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.
    [0007] The sensory feedback module 4 is configured to determine the profile of the sensory feedback to be generated as a function of the pressure measured on the touch surface 2 for a predetermined duration. The profile of the sensory feedback defines the general form of the sensory feedback, that is to say, its pace or all the parameters allowing to characterize it. Thus, in use, the pressing pressure on the touch surface 2 is measured. When a variation of pressing pressure becomes detectable, the pressing pressure is measured over a predetermined time dt, for example by averaging the pressing pressure over the predetermined duration dt.
    [0008] In addition, in order to prevent the user from perceiving an offset between his support and the feeling, the predetermined duration dt is preferably less than 30 milliseconds, such as of the order of 20 milliseconds. Then, the profile of the sensory feedback to be generated is determined as a function of this measured pressure pressure variation, for example from a library of sensory returns indexed as a function of the pressure variation of support. This selects the profile. Sensitive feedback among several sensory feedback profiles prerecorded in the library. According to another example, the profile of the sensory feedback is determined from a preprogrammed control law that makes it possible, for example, to calculate a parameter of the profile as a function of the variation of the bearing pressure or to transform the variation of bearing pressure. in a sensitive return. For example, a first sensory feedback is generated for a weak support corresponding to a pressure variation of support less than 1, 2N, a second sensory feedback is generated for a mean support corresponding to a variation of pressure of support between 1 , 2N and 1, 5N, and a third sensory feedback is generated for a strong support corresponding to a pressure variation greater than 1.5N. The first, second and third sensory feedbacks are distinct from each other. For example, the profile of the sensory feedback is modified by modifying the value of at least one parameter chosen from the amplitude, the duration, the acceleration and the frequency of the vibration. The value of these parameters increases for example with the increase of the variation of the pressing pressure. For example, it is expected that the first, second and third sensory feedbacks are vibrations and that at least one parameter selected from amplitude, duration and acceleration have values which increase with the increase of the variation of support pressure. For example, the amplitude of the first vibratory feedback has a value less than the amplitude of the second vibratory feedback, the amplitude of the second vibratory feedback being less than the amplitude of the third vibratory feedback. These three sensory feedback profiles are not, for example, stored in memory in a library corresponding to the corresponding pressure variations. According to an exemplary embodiment, the sensory feedback module 4 is configured to evaluate the speed of variation of the pressing pressure and to determine the profile of the sensed feedback generated as a function of the variation of the bearing pressure and depending on the speed of variation of the support pressure for the predetermined duration.
    [0009] According to another exemplary embodiment, the sensory feedback module 4 is configured to determine the acceleration of variation of the pressing pressure and to determine the profile of the sensed feedback generated as a function of the variation of the pressing pressure and in function the acceleration of variation of the support pressure during the predetermined duration. The correspondence between felt and support is further improved when the sensory feedback profile is based on a pair of parameters representative of the variation of the pressure of support. The profile of the sensory feedback is for example based on the variation of the pressure of support and the speed of the variation of the pressure of support or on the variation of pressure of support and on the acceleration of the variation of the pressure support. A dry and strong support thus causes a sensory return distinct from a slow and weak return or a weak and weak support or a slow and strong support. The sensory feedback whose profile is a function of the variation of the bearing pressure measured on the touch surface 2 during the predetermined time dt is for example generated after crossing a threshold. This threshold allowing the triggering of the generation of the sensory feedback can be a threshold of variation of the pressing pressure, of speed or of acceleration of 20 variations of pressing pressure or even of variation of the contact area. on point. The sensory feedback comprises for example at least two components chosen from a vibration, a sound and a visual representation. A sensory feedback comprising at least two components of different sensory modalities, has the advantage that for the user, the presentation of one of the components will cause the activation of the other. For example, the presentation of a visual primer previously associated with a sound component, facilitates the perceptual processing of sound targets for the user, the mere presentation of the visual component reactivating the associated sound component. In addition, it is possible to generate the various components of the sensory feedback so that they are perceived with an offset in time, for example by shifting their respective generation over time. Thus, the different components of sensory feedback are not necessarily perceived simultaneously. For example, when the user stops pressing on the touch surface 2, it is possible to generate a visible visual state change almost immediately while the sound can be generated for example with a shift relative to the change of visual state so as to be perceived only after the finger has left the touch surface 2. This desynchronization of sensory feedback component perceptions can correspond as on a conventional push button to the time required to raise the pressed key to its state of rest and the noise that follows.
    [0010] Thus, unlike a situation in which the same sensory feedback would be generated to the user even if that would achieve a strong support, medium or low, the proposed control device 1 improves the impression of support by matching the profile of the return sensitive with the variation of pressure of support. Distinct sensory feedback is generated depending on whether the support is loud, medium or weak.
    [0011] Figures 2 and 3 illustrate an embodiment of the control method of the control device wherein the sensory feedback comprises at least one vibratory feedback simulating the "pushed-released" of a button-type button. As previously described, in a first step 101, the bearing pressure (curve 1) on the touch surface 2 is measured. When a variation of the bearing pressure becomes detectable, the pressing pressure is measured over a first predetermined duration dt1, such as of the order of 20 milliseconds. Then, the profile of a sensory back-rest R1 to be generated is determined as a function of this variation of measured pressure, for example from a library of sensory returns indexed as a function of the bearing pressure or again, from a control law preprogrammed according to the pressing pressure. As previously described, it is provided, for example, for the bearing feedback R1 to generate a first vibration for a bearing pressure of less than 1, 2N, a second vibration for a pressure of between 1, 2N and 1.5N, and a third vibration for a bearing pressure greater than 1.5N. For example, the duration of the vibration is expected to vary with the measured bearing pressure. Thus, a first vibration has a duration less than the duration of the second vibration and the duration of the second vibration is less than the amplitude of the third vibration. The vibration of the sensing feedback R1 whose profile is a function of the variation of the bearing pressure measured on the touch surface 2 during this first predetermined time dt1 (curve 2) is for example generated after the pressure of support has passed a first pressure threshold S1. The sensing feedback R1 perceived by the user can then be different depending on whether he pressed strongly or not on the touch surface 2. In addition, the determination of the sensory feedback R1 can also be determined as a function of a second parameter, such as the speed of variation of the pressure of support or the acceleration of variation of the pressure of support. Thus, the sensory feedback R1 may vary depending on the value of this second parameter. The vibration is for example produced by a sinusoidal control signal sent to the actuator 3. The vibration felt extends over the vibration duration Dv (curve 2), greater than the duration of the control signal. In a second step 102, according to a first example, there is provided a delay time Da, at least of the order of 20 ms between the generation of the two control signals of the sensory and relaxed feedbacks, during which no sensory feedback 10 is generated. Thus, in the example, no control signal is sent to the actuator 3 after the one generating the sensing feedback R1 during a delay time Da of 20ms, a duration Da 'of about 10ms from the end of the vibration of the tactile surface 2 of the sensing feedback R1. This simulates a sensation of abutment abutment. According to a second example, a sensory abutment feedback is generated after the generation of the sensing back-rest R1, for example at the end of the vibration of the touch-sensitive surface 2 of the sensing back-rest R1 and / or after the crossing. of a pressure threshold, to simulate the feeling of abutment between the generation of sensory feedback and relaxation returns. The sensory feedback stop thus makes it possible to reproduce the perceived mechanical sensation when a depressed key reaches its mechanical stop.
    [0012] It is also possible not to generate sensory feedback as long as the measured bearing pressure ceases to increase and decreases with a variation of bearing pressure lower than a predetermined pressure variation threshold after the generation of the sensory feedback. R1 support. Indeed, when the finger of the user remains pressed on the touch surface 2 exerting a small pressure variation, even after a delay time Da, the user must keep the release control and therefore not activate a function unintentionally if it is taken into account when released and if the variation of pressure of support is insufficient. Simultaneously, measurement of the pressing pressure on the tactile surface 2 is continued. When the pressing pressure ceases to increase and decreases sufficiently, a decrease in the pressing pressure is measured over a second predetermined duration dt2, which can be different from the first predetermined duration dt1. Then, the profile of the sensory feedback loop R2 to be generated is determined as a function of this measured bearing pressure, for example from a library of sensory returns indexed as a function of the pressing pressure, or again from a control law -programmed according to the pressing pressure. For example, it is expected to generate a vibration whose amplitude is a function of the speed of the decrease of the bearing pressure. It is furthermore possible to provide that the vibration of the relaxed return return R2 has an amplitude which is smaller than the amplitude of the vibration of the back-resting feedback R1, which makes it possible to further copy the effect of an existing button. In a third step 103, the vibration of the relaxed release feedback R2 whose profile is a function of the variation of the bearing pressure measured on the touch surface 2 during this second predetermined duration dt2 (curve 2) is generated for example after the pressure drop has passed a second pressure threshold S2.
    [0013] In addition, the sensitive stop feedback or the flow of the delay time Da do not necessarily condition the transmission of the relaxed feedback feedback R2. Indeed, in some cases, a sensitive return of release R2 can be generated while the sensory stop return has not yet been sent or before the expiration of the delay time Da, for example because the support pressure has stopped increasing and decreases sufficiently before the end of the vibration of the tactile surface 2 of the sensing back-rest R1. Indeed, on a mechanical button, you can activate and deactivate a function without having reached the mechanical stop of the button. According to an exemplary embodiment, the total duration of the sensory feedback having the first predetermined duration dt1, the duration of vibration Dv, the duration of the sensory feedback and rest periods R1, R2 and the delay time Da or the sensory feedback stop, is short, that is to say less than 200 ms and preferably between 70 and 200ms, such that between 110 and 140 ms. Short signals are indeed better perceived by the user. The frequency of the vibration of the touch surface 2 is for example between 60 and 200Hz, such as 120Hz. 25
    权利要求:
    Claims (18)
    [0001]
    REVENDICATIONS1. A control device for a motor vehicle comprising: a touch surface (2) having a contact sensor adapted to measure a pressing pressure on the touch surface (2) for a predetermined time (dt; dt1, dt2), and a touch module; sensory feedback (4) configured to generate a tactile feedback in response to contact of the touch surface (2), characterized in that the sensory feedback module (4) is configured to determine the sensory feedback profile to be generated as a function of the variation of the bearing pressure measured on the touch surface (2) during the predetermined duration (dt; dt1, dt2).
    [0002]
    2. Control device according to the preceding claim, characterized in that the sensory feedback module (4) is configured to evaluate the speed of variation of the pressure and to determine the profile of the sensory feedback generated as a function of the variation of the pressing pressure and depending on the rate of variation of the pressing pressure for the predetermined duration (dt; dt1, dt2).
    [0003]
    3. Control device according to one of the preceding claims, characterized in that the sensory feedback module (4) is configured to determine the acceleration of variation of the pressure and to determine the profile of the sensory feedback generated in function of the variation of the pressing pressure and as a function of the acceleration of variation of the pressing pressure during the predetermined duration (dt; dt1, dt2).
    [0004]
    4. Control device according to one of the preceding claims, characterized in that the sensory feedback comprises at least two components selected from a vibration, a sound and a visual representation.
    [0005]
    5. Control device according to the preceding claim, characterized in that the components of the sensory feedback are generated so as to be perceived with a time shift.
    [0006]
    6. Control device according to one of the preceding claims, characterized in that the sensory feedback module (4) comprises a library of sensory returns indexed at least according to the pressing pressure.
    [0007]
    7. Control device according to one of claims 1 to 5, characterized in that the sensory feedback module (4) is configured to determine the profile of the sensory feedback from a preprogrammed control law at least as a function of the variation of the bearing pressure.
    [0008]
    8. A control method of a control device for a motor vehicle according to one of the preceding claims wherein a sensory feedback is generated in response to a contact of the tactile surface (2) characterized in that the profile of the sensory feedback generated is determined as a function of the variation of the bearing pressure measured on the touch surface (2) for a predetermined duration (dt; dt1, dt2).
    [0009]
    9. Control method according to the preceding claim, characterized in that the speed of variation of the pressing pressure is determined and in that the profile of the sensed feedback generated is also determined as a function of the speed of variation of the pressure. during the predetermined period.
    [0010]
    10. Control method according to one of claims 8 or 9, characterized in that determines the acceleration of variation of the bearing pressure and in that the profile of the sensed feedback generated is also determined according to the accelerating variation of the pressing pressure for the predetermined duration.
    [0011]
    11. Control method according to one of claims 8 to 10, characterized in that: a first sensory feedback is generated for a pressure variation of support less than 1, 2N, a second sensory feedback is generated for a variation of pressure of between 1, 2 N and 1, 5N, and a third sensory feedback is generated for a pressure variation greater than 1.5N, the first, second and third sensory feedback being distinct others.
    [0012]
    12. Control method according to one of claims 8 to 11, characterized in that modifies the profile of a sensory feedback vibratory type by changing the value of at least one parameter selected from the amplitude, the duration , the acceleration and the frequency of the vibration.
    [0013]
    13. Control method according to one of claims 11 or 12, characterized in that the first, second and third sensory feedbacks are vibrations, at least one parameter selected from amplitude, duration and acceleration, presents a value which increases with the increase of the variation of pressure of support.
    [0014]
    14. A control method according to one of claims 8 to 13, characterized in that - it is measured an increase in the pressing pressure over a predetermined period (dt1) and generates a sensory feedback return (R1) of which the profile is a function of the variation of the measured bearing pressure, and then, when the measured bearing pressure ceases to increase and decreases, a decrease of the bearing pressure is measured over a predetermined duration (dt 2 ) and generates a relaxed return feedback (R2) whose profile is a function of the variation of the measured bearing pressure.
    [0015]
    15. Control method according to the preceding claim, characterized in that a delay time (Da) is provided for which no sensory feedback is generated after the generation of the sensing back-rest (R1).
    [0016]
    16. A control method according to one of claims 8 to 14, characterized in that generates a sensory feedback abutment after the generation of the sensing back rest (R1).
    [0017]
    17. A control method according to one of claims 14 to 16, characterized in that it does not generate sensory feedback as the measured bearing pressure ceases to increase and decreases with a variation of lower bearing pressure at a predetermined pressure variation threshold after the generation of the sensing back rest (R1).
    [0018]
    18. Control method according to one of claims 8 to 17, characterized in that the predetermined duration (dt; dt1, dt2) during which the pressure variation is measured is less than 30 milliseconds.
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    同族专利:
    公开号 | 公开日
    FR3015383B1|2017-01-13|
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    EP3084570A1|2016-10-26|
    US20170031442A1|2017-02-02|
    JP6685226B2|2020-04-22|
    CN106462272B|2020-05-19|
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    US10705609B2|2020-07-07|
    JP2017508191A|2017-03-23|
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    法律状态:
    2015-12-31| PLFP| Fee payment|Year of fee payment: 3 |
    2016-12-29| PLFP| Fee payment|Year of fee payment: 4 |
    2018-01-02| PLFP| Fee payment|Year of fee payment: 5 |
    2019-12-31| PLFP| Fee payment|Year of fee payment: 7 |
    2020-12-31| PLFP| Fee payment|Year of fee payment: 8 |
    2021-12-31| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1303011A|FR3015383B1|2013-12-19|2013-12-19|CONTROL DEVICE FOR MOTOR VEHICLE AND CONTROL METHOD|FR1303011A| FR3015383B1|2013-12-19|2013-12-19|CONTROL DEVICE FOR MOTOR VEHICLE AND CONTROL METHOD|
    US15/105,726| US10705609B2|2013-12-19|2014-12-18|Control device for motor vehicle and control method|
    EP14828180.1A| EP3084570A1|2013-12-19|2014-12-18|Control device for motor vehicle and control method|
    PCT/FR2014/000286| WO2015092163A1|2013-12-19|2014-12-18|Control device for motor vehicle and control method|
    JP2016541183A| JP6685226B2|2013-12-19|2014-12-18|Control device and control method for motor vehicle|
    CN201480069965.4A| CN106462272B|2013-12-19|2014-12-18|Control device and control method for motor vehicle|
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