EP3379371B1 - Schnittstellenmodul mit haptischer rückmeldung - Google Patents

Schnittstellenmodul mit haptischer rückmeldung Download PDF

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Publication number
EP3379371B1
EP3379371B1 EP18163780.2A EP18163780A EP3379371B1 EP 3379371 B1 EP3379371 B1 EP 3379371B1 EP 18163780 A EP18163780 A EP 18163780A EP 3379371 B1 EP3379371 B1 EP 3379371B1
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EP
European Patent Office
Prior art keywords
flyweight
motor
return means
interface module
elastic return
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EP18163780.2A
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English (en)
French (fr)
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EP3379371A1 (de
Inventor
Stéphanie DABIC
Nour-Eddine EL-OUARDI
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Dav SA
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Dav SA
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce

Definitions

  • the present invention relates to a haptic feedback interface module, in particular for a passenger compartment of a motor vehicle DE 200 21 536 U1 discloses a haptic feedback interface.
  • the vehicles have a large number of functions to adjust such as air conditioning, an audio system, a navigation assistant. These functions can also each have several parameters, for example for an air conditioning a user of the vehicle can control the temperature of the air flow, the intensity of the air flow and its direction or its origin from different outputs (on the windshield, the user's body up, the user's lower body, etc.).
  • the interface modules with a scrolling menu allow you to control a large number of functions with a compact module, but navigating the menus requires the driver's attention for sometimes several seconds. These seconds of inattention represent a risk of accident during traffic since the driver is no longer focused on the environment and especially other road users.
  • interface modules are often provided with a force feedback device to provide a haptic feedback to the user to indicate that a modification of the parameter has been taken into account without requiring him to look away from the road.
  • a haptic feedback is generally made in the form of a vibration of all or part of the interface module which provides a haptic feedback ensuring the user that his command is taken into account.
  • haptic feedback interface modules with an eccentric flyweight rotated by an electric motor fixed on an interface element that touches the user.
  • the flyweight due to its rotation causes a movement of the interface element that the user in contact with said interface element feels as a haptic feedback.
  • the weight The eccentric may contact a predefined surface forming a stop or end of travel, and transmit its kinetic energy to the impact.
  • the interface modules thus obtained have a haptic feedback that is not reproducible and often low because of a momentum limited by the short movements of the weight before its impact on the stop.
  • the interface module thus obtained makes it possible to dissipate more energy in the vibrations, and generates a controlled haptic feedback due to the return to a known position of the eccentric flyweight.
  • the flyweight thus starting from a known starting position until reaching a known arrival position, the vibrations and therefore the haptic feedback profile are reproducible with increased fidelity.
  • the interface module may have one or more of the following features, taken alone or in combination.
  • the elastic return means define in a state of maximum deformation an elastic stop of the movement of the eccentric weight.
  • It comprises a mechanical stop contacting the eccentric flyweight limiting the stroke of the weight in a state of maximum deformation of the elastic return means.
  • the rest position of the weight corresponds to a state of least deformation of the elastic return means.
  • the flyweight is configured to traverse in rotation at least one, preferably at least two complete turns between the state of rest and the state of maximum deformation.
  • the elastic return means comprise at least one of the following elements: a helical spring, a spring blade, a torsion spring, polyurethane strips, cross-linked rubber strips.
  • the eccentric flyweight is rotated via a shaft of the electric motor, and the elastic return means comprise a helical spring, surrounding the shaft, one end of which is rotatably connected to the eccentric flyweight, the other end being connected to an element fixed in rotation.
  • the eccentric flyweight is driven in helical motion by an endless screw and the elastic return means comprise a compression-deformable helical spring whose at least one end is free to rotate, arranged around a motor shaft and extended or compressed during the rotation of the eccentric weight.
  • the elastic return means comprise an elastic band or an extended spring, connected to the eccentric weight so as to wind around said flyweight or a motor shaft when it is rotated.
  • the elastic return means comprise a leaf spring disposed axially along the axis of rotation, connected to an end portion of the weight.
  • the step of reducing or stopping the power supply of the motor may include a step of short circuiting the motor to slow the return to the home position of the weight.
  • the step of reducing or stopping the motor power supply may alternatively comprise a controlled current injection step so that the motor actively brakes the return to the home position of the weight.
  • the step of detecting a stop position by measuring the supply current can be done by detecting a value of current consumed by the motor greater than a threshold current value.
  • Figure la is schematically shown a haptic feedback interface module 1 integrated into a vehicle cabin, here in particular at the center console.
  • Interface Module 1 is installed in the vehicle's center console: the vertical or inclined front panel wall, located between the driver and the passenger at the front of the vehicle. This location allows the driver, who is here the user U of the interface module 1, to easily interact with the interface module 1 while having the periphery of his field of vision in normal driving situation.
  • Such an interface module 1 allows the control of at least one function of an organ of the motor vehicle such as the control of the functions of an air conditioning system, an audio system, a telephony system or even of a navigation system.
  • the interface module 1 can also be used for window lifts, exterior mirrors, motorized seats or to control interior lights, central locking, sunroof, hazard lights or the mood lights.
  • the interface module 1 comprises a haptic feedback module 3, integral with an interface element, here a screen 5 on which is placed a touch screen 7.
  • the screen 5 may for example be a liquid crystal display , light-emitting diodes (LEDs), in particular organic light-emitting diodes (OLED).
  • the touch screen 7 may be a resistive or capacitive touch screen
  • the interface element 5 may comprise a control member such as a push button, a rotary wheel or a multi-directional lever ("joystick” or joystick) to which the haptic feedback module 3 is connected.
  • the haptic feedback module 3 then provides the vibrating haptic feedback to said control member when it is actuated by the user U.
  • the screen 5 displays menus and icons, and the user U , interacting with the touchscreen 7 can navigate the menus displayed and change the functions associated with the icons, in particular by placing a finger on said touchpad 7.
  • the normal on the screen 5 and / or the touch screen 7 makes it possible to define an axis z along which the interface module 1 is set in motion to generate the haptic feedback.
  • the haptic feedback module 3 provides a haptic feedback in the form of a vibration of the screen 5 and the touch-sensitive panel 7 on which the user U presses his finger, so that the user U feels the said vibration, meaning for example the taking in account of a selection or an order.
  • the haptic feedback module 3 can be screwed, glued, nested, clipped, riveted or generally fixed to the interface element 5 by means of any fastener allowing the transmission of the vibrations of the haptic feedback module 3 to the element. interface 5.
  • the haptic feedback module 3 is shown in more detail in figure 2 .
  • the haptic feedback module 3 comprises an eccentric flyweight 9 and an electric motor 11.
  • the eccentric flyweight 9 is intended to be rotated by the motor 11 around an axis A.
  • eccentric is meant here that the center of gravity G of the weight 3 is offset relative to its axis of rotation A , so as to be at a radial distance d non-zero of said axis A.
  • the electric motor 11 is selectively powered by a control unit 13.
  • the control unit 13 comprises in particular calculation means such as one or more processors, and an electronic memory which are either dedicated or integrated and shared in a global electronic network of the vehicle.
  • the control unit 13 can in particular control the power supply and the operation of various pieces of equipment of the vehicle by means of transistors (for example metal-oxide with effect of MOSFET fields).
  • the haptic feedback module 3 further comprises elastic return means 15, here in the form of a torsion spring.
  • the elastic return means are forcibly engaged with the flyweight 9. They are here connected on the one hand to the flyweight 9 and on the other hand to the interface element 5, fixed in rotation relative to the flyweight 9 , and define in a state of least deformation a rest position of the flyweight 9.
  • the elastic return means 15 may be attached to other elements fixed in rotation relative to the flyweight 9, such as a chassis or a frame of the interface module 1 or the haptic feedback module 3.
  • rest position here comprises a position to which the flyweight 9 returns under the effect of the elastic return means 15 in the absence of power supply of the motor 11.
  • the rest position is either a position which is a stop position mechanical, for example if the weight 9 is pressed against the elastic return means 15 against a mechanical stop limiting the stroke of said weight 9, a position of the weight 9 in which the elastic return means 15 are in a configuration rest, ie zero deformation, corresponding to the minimum deformation energy.
  • the elastic return means 15 may in particular comprise metal springs, made of synthetic material, a leaf spring or any spring in the sense of the ISO26909 2010 standard; as well as strips of elastic material, in particular of plastics (polyurethane, cross-linked rubber).
  • the elastic return means 15 comprise here a helical spring surrounding a shaft 17 connecting the weight 9 to the motor 11.
  • the helical spring 15 is deformed in rotation and opposes a couple resistance to the engine torque exerted by the electric motor 11 as a function of an angle of rotation of the flyweight 9.
  • the elastic return means 15 and the motor 11 can also be attached to a frame or frame forming the haptic feedback module 3.
  • the haptic feedback module 3 thus obtained is compact and easily manipulated for easy and fast assembly in the module interface 1.
  • FIG. figure 3 A graph of a resistance torque exerted by the elastic return means 15 as a function of the rotation angle ⁇ is represented in FIG. figure 3 .
  • the graph of the figure 3 shows the torque T in Newton meters (Nm) as a function of the rotation angle ⁇ of the weight 9 in radians (rad).
  • the abscissa axis is graduated from ⁇ 0 , a rest position of the flyweight 9 to ⁇ max , an abutment position and therefore maximum rotation of the flyweight 9.
  • the elastic return means 15 oppose increasing torque with the rotation angle ⁇ , first linearly, then exponentially.
  • the resistance torque T reaches the value T max corresponding to the maximum torque that the motor 11 can exert on the shaft 17 connected to the weight 9, the rotational movement of the flyweight 9 is stopped, which forms a stop said elastic stop.
  • elastic stop means a stop without physical interaction of the weight 9 with a material stop, but an immobilization of the flyweight 9 due to the balance between the maximum engine torque T max and the resistance torque T ( ⁇ max ) to the maximum deformation position ⁇ max .
  • the maximum deformation ⁇ max reached here is an observed maximum, which may not correspond to a maximum of elastic deformation of the elastic return means 15 (for example before deformation or breakage), but rather to the maximum distance to the rest position. ⁇ 0 during normal operation of the haptic feedback module 3.
  • the presence of the elastic return means 15 allows the weight 9 to receive a higher energy and thus generate a greater haptic feedback. It is also possible to dimension the elastic return means 15 so that the elastic stop position ⁇ max is reached after the weight 9 has traveled at least one, in particular at least two complete turns.
  • the elastic return means return the weight 9 to the equilibrium position ⁇ 0 , can save energy while obtaining symmetrical haptic feedback patterns over time.
  • the figure 4 illustrates such a symmetrical haptic feedback pattern.
  • the figure 4 is composed of two graphs, respectively the speed of rotation V ( t ) of the weight 9 during the time t, and the displacement z ( t ) of the interface element 5 over time t which corresponds to the haptic profile with elastic stop H BE .
  • the rotation speed V ( t ) of the weight 9 is initially zero, which corresponds to an initial moment when the weight 9 is at rest at the position ⁇ 0 , in particular in the state of least deformation of the elastic return means 15.
  • the control unit triggers the supply of the motor 11, which gradually increases the speed V ( t ).
  • the elastic return means 15 exert an increasing return torque opposing the rotation.
  • the speed V ( t ) is consequently stabilized at a maximum value at a moment M 1 .
  • the speed of rotation decreases and then vanishes when the weight 9 reaches its maximum deformation position ⁇ max .
  • the position z ( t ) of the interface element 5 is in the form of sinusoidal vibrations, with the envelope having a function proportional to the absolute value of the rotation speed V ( t ).
  • the haptic profile H BE is therefore maximal at instants M 1 , M 2 , and vanishes between these two instants when the maximum deformation position ⁇ max is reached.
  • the haptic feedback is then felt as two vibrations separated by a period of immobility of the interface element.
  • the second vibration is generated without power of the motor 11, and is symmetrical with respect to the time of the first.
  • a haptic feedback module 3 according to another embodiment of the invention.
  • the motor 11 is connected to the weight 9 by a telescopic shaft which comprises a worm 19 which causes an axial shift along the axis A of the weight 9 during its rotation.
  • the worm 19 has a fixed part 19a, rotatable and fixed in axial translation relative to the interface element 5, and a movable part 19b, rotatable and in translation with the flyweight 9.
  • the fixed parts 19a and mobile 19b are respectively parallelepipedal and tubular, the parallelepipedal fixed part, of square or rectangular section, fitting into a complementary housing of the movable part 19b which bears on its cylindrical outer periphery a screw thread which cooperates with a tapping or finger 19c for driving the mobile part 19b in translation when the worm 19 is rotated.
  • the flyweight 9, secured to the movable portion 19b is then also driven in translation, translational movement which is added to the rotational movement to form a helical movement.
  • the elastic return means 15 comprise in the embodiment of the Figure 5a and 5b a helical spring deformed in rotation and connected on the one hand to the motor 11 and on the other hand to the flyweight 9.
  • the end 151 of the spring 15 is axial and inserted into a corresponding bore of the movable part 19b, in which is movable in translation.
  • the haptic feedback module 3 comprises a mechanical stop 21 against which the weight 9 comes to bear when its stop position ⁇ max is reached.
  • This mechanical stop 21 may advantageously comprise a suitable surface with in particular a material or treatment that absorbs shocks, for example a surface of silicone or other plastic material absorbing shocks.
  • the weight 9 is in the rest position ⁇ 0
  • the elastic return means 15 maintain the weight 9 at said rest position ⁇ 0 , either by being prestressed or being in the minimum deformation configuration.
  • said rest position ⁇ 0 worm 19 is in the minimum elongation configuration, the fixed portion 19a then being wholly or almost fully nested in the tubular movable portion 19b.
  • the lengthening of the path of the weight 9 allows the motor 11 to provide more kinetic energy to the weight 9 before it reaches the stop, and thus strengthen the haptic feeling, especially during the frank vibration of the second phase ii of the figure 4 when the weight 9 reaches the stop 21.
  • the elastic return means 15 are, in figure 6 , at their maximum elongation, and exert a strong restoring force on the flyweight 9.
  • control unit 13 supplies the electric motor 11 with current, said motor 11 drives the worm 19 in rotation, the weight 9 is driven in helical motion until it reaches the stop 21.
  • unit control circuit 13 interrupts the power supply of the motor 11, the elastic return means 15 drive by the return force of the return of the feeder 9 to its starting position.
  • the translational component of the movement makes it possible to place the abutment 21 along the axis A so that the counterweight 9 travels several revolutions, advantageously more than two, before coming into abutment against the abutment 21, as represented in FIG. figure 5b .
  • the fact that the weight 9 goes through at least one, in particular at least two complete turns before reaching the stop 21 makes it possible to lengthen the path of the weight 9 during which the motor 11 accelerates the weight, and thus to reinforce the haptic feedback felt.
  • control unit 13 can, when returning the feeder 9 from the maximum deformation position ⁇ max to the equilibrium position ⁇ 0 , supply the electric motor 11 with current so as to generate a torque which opposes the return torque T ( ⁇ ) generated by the elastic return means 15, in order to slow the return to the equilibrium position ⁇ 0 and to limit, or even eliminate, the haptic feedback felt during the return of the flyweight 9 from the stop position ⁇ max to the equilibrium position ⁇ 0 .
  • the embodiment of the Figures 6a, 6b is largely analogous to the embodiment of the Figures 5a, 5b , but is distinguished by the use of a helical spring 15 deformable compression.
  • Said spring 15 is wound around a portion of the fixed portion 19a of the motor shaft 11, in particular the non-inserted portion in the movable portion 19b.
  • the spring 153 has two free ends 153, which can simply be a closed loop by crushing the last turn. One of the free ends 153 bears against a radial surface of the motor 11 around the fixed part 19a, the other free end 153 bears against a radial surface of the moving part 19b on the motor side 11. The free ends 153 thus allow free rotation of the spring 15 with respect to both the motor 11 and the fixed parts 19a and 19b mobile.
  • the elastic means 15 are generally arranged between a fixed element in rotation, for example the frame of the motor 11, a frame or the screen 5 or the touch screen 7.
  • Other elements can be interposed to serve as element PTO, for example a washer, on which a spring end 15 bears.
  • FIG. figure 7 is composed of two graphs, respectively the speed of rotation V ( t ) of the weight 9 during the time t , and the displacement z ( t ) of the interface element 5 over time t which corresponds to the haptic profile with mechanical stop.
  • FIG 7 two velocity curves V 1 ( t ) and V 2 ( t ) are represented with the associated haptic feedback profiles H1, H2.
  • the two speed curves correspond to two cases: in the first ( V 1 ( t ), H1) the control unit 13 interrupts the current supply of the motor 11 when the stop position ⁇ max is reached, in the second ( V 2 ( t ), H2) the control unit 13 supplies current to the motor 11 after the stop position ⁇ max is reached to slow down the return to the initial position ⁇ 0 of the weight 9.
  • the speed V 1 ( t ), V 2 ( t ) is initially zero, which corresponds to a system initially at rest.
  • the control unit 13 supplies the motor 11, the speed V 1 ( t ), V 2 ( t ) increases gradually during a first phase i.
  • the control unit 13 interrupts in the first case the supply of the motor 11.
  • the elastic return means 15 then cause the return to the initial rest position ⁇ 0 of the weight 9
  • the speed of rotation V 1 ( t ) then becomes negative, and gradually increases in absolute value.
  • control unit 13 triggers at time t 2 a limited supply of the motor 11, which limits the absolute value of the return speed V 2 ( t ) to the rest position ⁇ 0 .
  • the speed V 2 ( t ) is then kept low enough not to trigger perceptible vibrations of the interface element 5.
  • the haptic profiles H1, H2 obtained accordingly are represented in figure 7 and make it possible to distinguish three phases i, ii, iii during the generation of haptic feedback.
  • the first phase i ranging from the original time 0 to a time t 1 , is the phase during which the weight 9 is rotated by the electric motor 11. During this phase, the haptic feedback H1 is generated by the rotation of the weight 9 whose center of gravity G is offset with respect to the axis of rotation A.
  • the second phase ii ranging from the first time t 1 to a second time t 2 corresponds to the arrival in elastic stop of the weight 9, which results in a short and frank vibration, high amplitude.
  • the third phase iii extends beyond the second time t 2 , and corresponds to the return of the weight 9 by the action of the elastic return means 15 which bring the weight 9 to its rest position.
  • the haptic feedback is again generated by the rotation of the weight 9 whose center of gravity G is offset with respect to the axis of rotation A.
  • the motor 11 is not or little powered during the third phase iii.
  • the return torque T exerted by the elastic return means 15 is then the only action that the feeder 9 undergoes, so that it returns to its rest position ⁇ 0 quickly.
  • the user U therefore feels during this third phase iii a haptic feedback similar to that felt during the first step.
  • a suitable dimensioning of the motor 11 and the means elastics makes it possible to obtain an important symmetry between the first and the third phase i, iii.
  • the electric motor 11 is supplied with current during the third phase iii so as to provide a motor torque which slows the return to the rest position ⁇ 0 of the weight 9.
  • the user U does not feel haptic feedback in the third phase iii.
  • the first haptic feedback profile H1 is therefore symmetrical in time: diffuse vibrations due to the rotation of the flyweight 9 eccentric from the equilibrium position ⁇ 0 to the stop position ⁇ max , followed by a corresponding frank vibration on arrival at abutment ⁇ max of the flyweight 9, and again diffuse vibrations when returning the flyweight 9 from the stop position ⁇ max to the equilibrium position ⁇ 0 .
  • the second haptic profile H2 has no haptic feel during the return of the flyweight 9 of the stop position ⁇ max at the equilibrium position ⁇ 0 .
  • haptic profiles H1, H2 can in particular be used to signify to the user U two different things. For example, one can be used to indicate the consideration of the command, and the other to signal an impossibility to access the request of the user U. Alternatively or additionally, profiles H1, H2 may be alternated or sequenced to provide longer and more complex haptic feedbacks.
  • said motor 11 When reducing or stopping the power supply of the motor 11, said motor 11 can be short circuited to slow the return to the home position of the feeder 9 by current dissipation.
  • a controlled current injection step can be performed so that the motor 11 actively brakes the return to the rest position of the weight 9.
  • FIG 8 represents a haptic feedback module 3, in which the control unit 13 delivers a variable current i ( t ), measured by an ammeter 23 which relays the measured value to the control unit 13.
  • the control unit 13 can regulate said speed.
  • the rotation of the weight 9 is controlled from its starting position (of lesser deformation or rest) ⁇ 0 , to its stop position ⁇ max (physical or elastic abutment).
  • ⁇ max physical or elastic abutment
  • the detection of a stop position ⁇ max by measuring the supply current i ( t ) can in particular be done by detecting a current value consumed by the motor 11 greater than a threshold current value i 0 .
  • the return to abutment (elastic or physical) at the position of least deformation ⁇ 0 can be detected analogously by detecting a threshold value exceeding i 0 .
  • the figure 9 shows an alternative embodiment of elastic return means 15 for haptic feedback module 3.
  • the elastic return means 15 comprise an elastic band or a flexible spring, connected on the one hand to the element d 5 and on the other hand to the flyweight 9.
  • the elastic return means 15 are stretched in extension and the elastic return means 15 can, when a complete revolution or more is possible, wind up around the shaft 17 or the weight 9.
  • the elastic return means 15 are then deformed in extension and thus oppose a torque to the torque of the motor 11.
  • Such elastic return means 15 make it possible to obtain a compact haptic feedback module 3 in axial length along the axis A.
  • the elastic return means 15 alternately comprise a spring blade, connected firstly to the distal end of the weight 9, and secondly to the interface element 5.
  • the spring blade forming the elastic return means 15 is arranged axially in length along the axis A.
  • Such elastic return means 15 make it possible to obtain a compact haptic feedback module 3 in radial dimension perpendicular to the axis A.
  • the invention makes it possible to obtain compact haptic feedback modules 3, providing an increased haptic feedback that can be folded over time.

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  • User Interface Of Digital Computer (AREA)

Claims (14)

  1. Schnittstellenmodul mit haptischer Rückmeldung, insbesondere für einen Fahrzeuginnenraum, das aufweist:
    - ein Schnittstellenelement (5), das dazu bestimmt ist, mit einem Benutzer des Schnittstellenmoduls in Kontakt zu sein,
    - einen Elektromotor (11),
    - ein außermittiges Fliehgewicht (9), das dazu bestimmt ist, vom Motor (11) um eine Drehachse (A) in Drehung versetzt zu werden, um bei seiner Drehung kinetische Energie an das Schnittstellenelement (7) zu übertragen, um das Schnittstellenelement (7) in Bewegung zu versetzen, um eine haptische Rückmeldung zu liefern,
    dadurch gekennzeichnet, dass es außerdem aufweist:
    - elastische Rückstelleinrichtungen (15), in Krafteingriff mit dem Fliehgewicht (9), die konfiguriert sind, um das Fliehgewicht in eine Ruhestellung zurückzubringen, wenn der Motor (11) nicht mehr versorgt wird.
  2. Schnittstellenmodul nach Anspruch 1, dadurch gekennzeichnet, dass die elastischen Rückstelleinrichtungen (15) in einem Zustand maximaler Verformung (θmax) einen elastischen Anschlag der Bewegung des außermittigen Fliehgewichts (9) definieren.
  3. Schnittstellenmodul nach Anspruch 1, dadurch gekennzeichnet, dass es einen mit dem außermittigen Fliehgewicht (9) in Kontakt kommenden mechanischen Anschlag (21) aufweist, der den Hub des Fliehgewichts (9) in einem Zustand maximaler Verformung (θmax) der elastischen Rückstelleinrichtungen (15) begrenzt.
  4. Schnittstellenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ruhestellung des Fliehgewichts (9) einem Zustand geringerer Verformung der elastischen Rückstelleinrichtungen (15) entspricht.
  5. Schnittstellenmodul nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das außermittige Fliehgewicht (9) konfiguriert ist, um in Drehung mindestens eine, vorzugsweise mindestens zwei vollständige Umdrehungen zwischen dem Ruhezustand und dem Zustand maximaler Verformung (θmax) zu durchlaufen.
  6. Schnittstellenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die elastischen Rückstelleinrichtungen (15) mindestens eines der folgenden Elemente aufweisen: eine Schraubenfeder, eine Blattfeder, eine Torsionsfeder, Polyurethanbänder, Bänder aus vernetztem Kautschuk.
  7. Schnittstellenmodul nach einem der vorhergehenden Ansprüche dadurch gekennzeichnet, dass das außermittige Fliehgewicht (9) mittels einer Welle (17) des Elektromotors (11) in Drehung versetzt wird, und dass die elastischen Rückstelleinrichtungen (15) eine Schraubenfeder aufweisen, die die Welle (17) umgibt und von der ein Ende (151) in Drehung mit dem außermittigen Fliehgewicht (9) verbunden ist, während das andere Ende mit einem in Drehung festen Element verbunden ist.
  8. Schnittstellenmodul nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das außermittige Fliehgewicht (9) durch eine Schnecke (19) in eine Schraubenbewegung versetzt wird, und dass die elastischen Rückstelleinrichtungen (15) eine druckverformbare Schraubenfeder aufweisen, von der mindestens ein Ende (153) in Drehung frei ist, die um eine Welle des Motors (11) angeordnet ist und bei der Drehung des außermittigen Fliehgewichts (9) zusammengedrückt wird.
  9. Schnittstellenmodul nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die elastischen Rückstelleinrichtungen (15) ein elastisches Band oder eine Dehnungsfeder aufweisen, die mit dem außermittigen Fliehgewicht (9) verbunden ist, um sich um das Fliehgewicht (9) oder eine Welle des Motors (11) zu wickeln, wenn sie in Drehung versetzt wird.
  10. Schnittstellenmodul nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die elastischen Rückstelleinrichtungen (15) eine Blattfeder aufweisen, die axial entlang der Drehachse (A) angeordnet ist, verbunden mit einem Endabschnitt des außermittigen Fliehgewichts (9).
  11. Verfahren zur Erzeugung einer haptischen Rückmeldung mit einem Schnittstellenmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es die folgenden Schritte aufweist:
    • Versorgung des Motors (11) mit elektrischem Strom, um das Fliehgewicht (9) aus der Ruhestellung zu entfernen,
    • Erfassung einer Anschlagstellung des Fliehgewichts (9) durch Messung des Versorgungsstroms des Motors (11),
    • Verringerung oder Abschaltung der Stromversorgung des Motors (11), damit das Fliehgewicht (9) unter der Wirkung der elastischen Rückstelleinrichtungen (15) in eine Ruhestellung zurückkehrt.
  12. Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Schritt der Verringerung oder der Abschaltung der Stromversorgung des Motors (11) einen Schritt des Kurzschließens des Motors (11) aufweist, um die Rückkehr des Fliehgewichts (9) in die Ruhestellung zu bremsen.
  13. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass der Schritt der Verringerung oder der Abschaltung der Stromversorgung des Motors (11) einen Schritt kontrollierter Einspeisung von Strom aufweist, damit der Motor (11) die Rückkehr des Fliehgewichts (9) in die Ruhestellung aktiv bremst.
  14. Verfahren nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass der Schritt der Erfassung einer Anschlagstellung durch Messung des Versorgungsstroms durch Erfassung eines Werts des vom Motor (11) verbrauchten Stroms erfolgt, der höher ist als ein Schwellenstromwert.
EP18163780.2A 2017-03-23 2018-03-23 Schnittstellenmodul mit haptischer rückmeldung Active EP3379371B1 (de)

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FR1752428A FR3064378B1 (fr) 2017-03-23 2017-03-23 Module d'interface a retour haptique

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FR3102257B1 (fr) * 2019-10-22 2022-12-16 Dav Interface et procédé de commande d’au moins une fonction d’un organe de véhicule automobile

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DE20021536U1 (de) * 2000-12-20 2001-04-26 Immersion Corp Haptisches Schnittstellengerät und Aktoranordnung, die lineare haptische Empfindungen liefert
DE102008041625B4 (de) * 2008-08-27 2013-07-18 Faurecia Innenraum Systeme Gmbh Bedienelement für eine Anzeigevorrichtung in einem Transportmittel sowie Mittelkonsole eines Kraftfahrzeugs und Verfahren zum Betrieb eines Bedienelements für eine Anzeigevorrichtung sowie Computerprogrammprodukt

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EP3379371A1 (de) 2018-09-26
FR3064378B1 (fr) 2022-08-19

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