Guidance device for guiding a hand of a user of a vehicle and method for operating a guidance device

Abstract

A guiding device (105) for guiding a hand (205) of a user of a vehicle (100), the guiding device (105) having the following features: - an actuator unit (300) with a plurality of actuator elements (310) extendable from a common base element (305), and wherein at least one first actuator element (315) and at least one second actuator element (320) of the actuator elements (310) can be electrically controlled independently of one another - a plurality of sensor elements (335) arranged on the floor element (305), wherein the sensor elements (335) are designed to detect a position of a touch of the hand (205) of the user and wherein the sensor elements (335) are arranged between the actuator elements (310, 315, 320), in particular in rows and / or columns between the actuator elements (310, 315, 320).

Description

Prior ArtThe approach is based on a guide device for guiding a hand of a user of a vehicle and on a method for operating a guide device according to the preamble of the independent claims. The present approach also relates to a computer program.With regard to highly automated or fully automated driving, reduced cockpits are sought, which however can carry out a variety of functions.DE 10 2019 200 090 A1 describes an operating device for operating at least one device and method for operating such an operating device.DE 10 2018 218 620 A1 discloses a method for operating an operating panel of an operating device for a vehicle, as well as an operating device and vehicle.DE 10 2011 011 769 A1 discloses a medical device with a touchscreen and method.Disclosure of the InventionAgainst this background, the approach presented here presents an improved guide device for guiding a hand of a user of a vehicle, an improved method for operating a guide device, furthermore a control unit which uses this method, and finally a corresponding computer program according to the main claims. The measures listed in the dependent claims allow advantageous refinements and improvements of the control unit specified in the independent claim.The approach presented here enables a user to drive comfortably and simultaneously with improved driving safety. At the same time, it can be prevented to overrequest the user or to deviate it from his driving task.A guide device for guiding a hand of a user of a vehicle is presented, which has an actuator unit with a plurality of actuator elements that can be extended from a common floor element. At least one first actuator element and at least one second actuator element of the actuator elements can be electrically actuated independently of one another.The guide device can be arranged, for example, in a vehicle interior. The vehicle can be formed, for example, as a passenger car or as a truck, the vehicle interior of which can be, for example, a vehicle cabin. The guide device can advantageously be configured such that a vehicle occupant can remain comfortably in the vehicle interior, in particular with regard to highly automated or autonomous driving. The actuator elements can be arranged adjacent to one another. The base element can be designed as a retaining plate and can have, for example, electrical lines to the actuator elements, so that the individual actuator elements can be controlled electrically in a targeted manner.The approach presented here is based on the finding that a tactilely perceptible movement can be generated by the extendable or extendable actuator elements, which movement can be recorded by a hand of a user of the guide device, for example a vehicle occupant. As a result, for example, the hand of the user can then be guided by a movement of the actuator elements which extend successively in time in a wave-shaped manner in a desired direction or to a desired position at which, for example, a switching element which is to be actuated by the user is positioned. The hand of the user can also be guided to the corresponding position in a tactile manner by using the approach presented here, blindly or without having to look at the guide device, which represents a significant gain in comfort when using the vehicle equipped with such a guide device, so that the acceptance of such a vehicle can be increased.According to one embodiment, the actuator elements can be arranged in the base element in a matrix-like manner. Advantageously, the actuator elements can each have a planar base section arranged on the base element and a movable pin-like pin section. The bottom sections can thereby advantageously be arranged in a matrix-like manner with respect to one another. In this way, for example, simple and easily electrically controllable metallic memory alloys or electrically or magnetically extendable elements can be used for producing actuator elements of this type.The guide device may include a cover layer configured to cover the actuator unit. Additionally or alternatively, the actuator elements can be arranged between the base element and the covering layer. The cover layer can advantageously be formed as an interior cladding of the vehicle, by means of which an aesthetic nature of the vehicle interior is improved while simultaneously using this surface of the interior cladding for additional functions.According to one embodiment, the cover layer can comprise a deformable material, in particular an elastic material. The material can advantageously be formed in a sponge-like manner. Advantageously, the covering layer can form a curved interior surface due to its deformability in the vehicle interior. By using such a cover layer, a reversible formable surface for guiding a hand of the user can also be realized.Furthermore, the actuator elements can be designed according to one embodiment to come into direct mechanical contact with the covering layer or to support the covering layer. Additionally or alternatively, the actuator elements can be designed to change a surface strength or hardness of the covering layer by extending and extending. Advantageously, the actuator elements can be controlled according to a desired function and support or weaken or release the cover layer in a targeted manner.According to one embodiment, the guide device can furthermore have a control unit which can be designed to actuate the first and the second actuator element in such a way that the first actuator element and the second actuator element are extended at different times and additionally or alternatively in a time-shifted manner. In particular, the control unit can be designed to actuate a deployment of the actuator elements, such that a shaft that can be detected in a tactile manner can be perceived by a user of the guide device. Advantageously, the control unit can actuate the actuator elements in such a way that the hand of the user is steered in a desired direction. The user can preferably be guided, for example, to a nearest operating surface within the vehicle interior.The guide device further comprises a plurality of sensor elements arranged on the floor element, wherein the sensor elements are configured to detect a position of a touch of the hand of the user. The sensor elements can advantageously be formed as flexible pins which can conduct a pulse to the control unit, for example, when bent. Such an embodiment provides the advantage of a finely programmable possibility of recognizing the position of the user's hand on or on the guide device.The sensor elements are arranged between the actuator elements, in particular in rows and additionally or alternatively columns between the actuator elements. The sensor elements can advantageously be arranged at crossing points of the rows and columns, whereby an additional supporting effect, for example of the cover layer, can advantageously be achieved.Furthermore, an operating device with a guide device is presented in a previously mentioned variant, wherein the operating device has at least one operating surface for controlling a vehicle function. In particular, the control surface has a lighting unit or a self-lighting material. The guide device is designed to guide a user to the operating surface in a tactile manner.The operating surface of the operating device can be realized, for example, as a touch-sensitive display, by means of which the user can advantageously set vehicle functions, for example comfort functions. The guide device can advantageously lot the user to the operating surface in the event of a failure of the operating device. The actuator unit can advantageously adjoin the operating surface. For example, the operating device can have at least one further operating surface for activating a vehicle function. For this purpose, the guide device can have a further actuator unit with a plurality of further actuator elements which can be extended from a common further base element. In this case, at least one further first and at least one further second of the actuator elements can advantageously be electrically actuated independently of one another in order to guide the user to the further operator control surface in a tactile manner. Advantageously, the actuator units and additionally or alternatively the two control surfaces, which are arranged, for example, in an ergonomically advantageous manner for the user in the vehicle interior, can be simultaneously used by the user.Furthermore, a method for operating a guide device is presented in a previously mentioned variant for a vehicle, wherein the method comprises a step of reading in and a step of providing. In the step of reading in, a recognition signal is read in via an interface to a sensor unit, wherein the recognition signal represents a position of a recognized touch by a user on an interior surface of the vehicle. In the step of providing, a first control signal is provided, wherein the first control signal causes a moving out and / or moving in of at least the first actuator element, and a second control signal is provided, which causes a moving out and / or moving in of at least the second actuator element, in order to guide the hand of the user in a tactile manner.The sensor unit can advantageously comprise the plurality of sensor elements arranged on the floor element, which detect the touch. Advantageously, the user can be instructed a direction to a nearest operating surface.According to one embodiment, in the step of providing, the first control signal and the second control signal can be provided at different times and additionally or alternatively offset in time with respect to one another, in particular in order to bring about a wave-shaped movement perceptible by the user using the actuator elements. Advantageously, the surface hardness of the cover layer can thus be changed by controlling the actuator elements, so that the user, based on this change, guides a pattern controlled by the actuator elements, such as, for example, the wavy movement, to the operating surface.The method can furthermore comprise a step of outputting an info signal which represents a haptic or tactile feedback to the user about a recognized contact of the guide element by the user. The tactile or haptic feedback can be generated, for example, in the form of a vibration or a brief change in the surface strength of the cover layer, which can be interpreted, for example, as a confirmation to the user.This method can be implemented, for example, in software or hardware or in a mixed form of software and hardware, for example in a control device.The approach presented here furthermore provides a control unit which is designed to carry out, actuate or implement the steps of a variant of a method presented here in corresponding devices. This embodiment variant of the approach in the form of a control unit also enables the object on which the approach is based to be achieved quickly and efficiently.For this purpose, the control unit can have at least one arithmetic unit for processing signals or data, at least one memory unit for storing signals or data, at least one interface to a sensor or an actuator for reading in sensor signals from the sensor or for outputting data or control signals to the actuator and / or at least one communication interface for reading in or outputting data which are embedded in a communication protocol. The computing unit can be, for example, a signal processor, a microcontroller or the like, wherein the memory unit can be a flash memory, an EEPROM or a magnetic memory unit. The communication interface can be designed to read in or output data wirelessly and / or in a wired manner, wherein a communication interface that can read in or output wired data can read in this data, for example electrically or optically, from a corresponding data transmission line or output it into a corresponding data transmission line.In the present case, a control unit can be understood to mean an electrical device which processes sensor signals and outputs control and / or data signals as a function thereof. The control unit can have an interface which can be designed as hardware and / or software. In a hardware configuration, the interfaces can be part of a so-called system ASIC, for example, which contains a wide variety of functions of the control unit. However, it is also possible for the interfaces to be dedicated, integrated circuits or to consist at least partially of discrete components. In the case of a software configuration, the interfaces can be software modules which are present, for example, on a microcontroller in addition to other software modules.A computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory and is used for carrying out, implementing and / or controlling the steps of the method according to one of the embodiments described above is also advantageous, in particular if the program product or program is executed on a computer or a control unit.Exemplary embodiments of the approach presented here are illustrated in the drawings and explained in more detail in the following description. It shows: FIG. 1 shows a schematic illustration of a vehicle having a guide device according to an exemplary embodiment; FIG. 2 shows a schematic illustration of a vehicle interior according to an exemplary embodiment; FIG. 3 shows a schematic illustration of a guide device according to an exemplary embodiment; and FIG. 4 shows a flow diagram of a method according to an exemplary embodiment for operating a guide device.In the following description of advantageous exemplary embodiments of the present approach, the same or similar reference numerals are used for the elements shown in the different figures and acting in a similar manner, wherein a repeated description of these elements is omitted.FIG. 1 shows a schematic illustration of a vehicle 100 having a guide device 105 according to an exemplary embodiment. The vehicle 100 is realized as a passenger car, which is designed, for example, to transport persons and / or objects. The vehicle 100 is formed, for example, as a highly automated or as an autonomously driving vehicle 100. In addition to the guide device 105, it has an operating device 110 with an operating surface 115 and a sensor unit 120. According to this exemplary embodiment, the guide device 105 is designed to guide a user or, for example, a hand of the user to the operating surface 115. Furthermore, the vehicle 100 has a control unit 125 which is designed to carry out and / or actuate a method for operating the guide device, as is described in one of the following figures. For this purpose, the control unit 125 has a read-in unit 130 for reading in a detection signal 135 via an interface to the sensor unit 120. The detection signal 135 represents a position of a detected touch by a user on an interior surface of the vehicle 100. Furthermore, the control unit 125 has a provision unit 140 for providing a first control signal 145 which brings about a moving out and / or moving in of at least one first actuator element of the guide device 105. The provision unit 140 is furthermore designed to provide a second control signal 150 which brings about a moving out and / or moving in of at least one second actuator element of the guide device 105 in order to guide the user in a tactile manner.In general, in future-oriented vehicle interiors, it is intended not to make screens or switches visible in addition to a steering wheel and at least one driver display, but instead to integrate these into a surface. Under the surface, for example, sensors, electronics and electromechanics contribute to the operating elements assuming the shape if required. Here, the buttons, which are hidden behind a type of artificial leather, for example, only appear when a hand of a user approaches, for example. In the normal state, the area acts smoothly and without function, but an optical sensor detects the hand, automatically moves button-like, backlit switching surfaces out spatially. For this purpose, a combination of material innovation, sensor system, electronics and electromechanics is required, which is designed, for example, as a radar, lidar or capacitive unit.Against this background, the approach presented here enables an integrated input and output surface, which is described here as operating device 110, and in particular the guide device 105 for guiding a hand of the user to the operating surface 115 of the operating device 110, as a result of which driving safety is increased and driving comfort for the user is increased. The control panel 115 integrated into the vehicle interior appears in this case when the user has wanted interaction. In a switched-off state, the operating surface 115 is integrated into a vehicle design or interior design, such as, for example, into a center console, door cladding or decorative surface, and thus enables a great freedom of design. For example, the user receives information only when he actually needs or desires it. This prevents, for example, user distraction. In addition, the operating device 110 is arranged, for example, in an ergonomically accessible region. By merely optionally combining with other technologies, such as haptic feedback by vibration or visual feedback by, for example, an LED martex or OLED films, the operation for the user is simplified and extended and guidance of a "blind" hand on a smooth, curved, control panel surface to a next suitable ergonomic, switching zone is supported, which is referred to below as control panel 115.The guiding device 105 presented here operates silently according to this exemplary embodiment. The control panel 115 is only optionally freely programmable and additional comfort functions can be selected for the user.FIG. 2 shows a schematic illustration of a vehicle interior 200 according to an exemplary embodiment. The vehicle interior 200 illustrated here is arranged, for example, in a vehicle, as has been described in FIG. 1. The vehicle interior 200 has the operating device 110, which has at least one operating surface 115, but according to this exemplary embodiment a plurality of operating surfaces 115. The control surfaces 115 are arranged at different locations within the vehicle interior 200 and are designed to actuate a vehicle function of the vehicle. The at least one control surface 115 has a lighting unit or a self-lighting material. Arranged adjacent to the operating surface 115 is the guide device 105, which is designed to guide a hand 205 of a user in tactially to the operating surface 115. According to this exemplary embodiment, the guide device 105 and / or the operating surface 1115 is arranged below a cover layer 210 in the vehicle interior 200 such that it is invisible to the user, which cover layer is also referred to as interior trim of the vehicle interior 200. Likewise, according to this exemplary embodiment, the sensor unit is arranged below the cover layer 210. The cover layer 210 comprises a deformable material, in particular an elastic material, such as an elastic composite material or an elastic plastic.In other words, the cover layer has a surface which is designed by the actuator elements in such a way that a hand of a user is guided in a tactile manner.The sensor unit is designed to recognize a position 215 and / or a movement pattern 220 of at least the hand 205 of the user. If, for example, it is detected that the user searches for the operating surface 115, the hand 205 of the user is guided to the respectively closest operating surface 115 using the guide device 105, for example by wave-shaped movements 225. According to this exemplary embodiment, these wave-shaped movements 225 are caused by actuator elements of the guide device 105, as are described in more detail in the following figure. Furthermore, the actuator elements are arranged between a base element of the guide device 105 and the cover layer 210 and they are designed to come into direct mechanical contact with the cover layer 120 or to support the cover layer 210. Furthermore, the actuator elements are designed to change a surface strength of the covering layer 210 by extending and extending.In other words, the control panel 115 is freely programmable and integrated into a design surface, which is referred to here as cover layer 210. The guiding device 105 is designed to enable the user to perform a routing function. In this case, a position determination takes place, for example, of the hand 205 of the user circumferentially on the surface.The cap layer 210 is further optionally freely programmable selectively in its cure structure without appreciably changing an original surface shape. The operating surface 115 can be arranged, for example, at edges and curvatures. According to this exemplary embodiment, the sensor unit recognizes the movement pattern 220, which is also referred to as a surface-touch characteristic, and thus a functional request of the user. As a result, a position of the operable switches or operating elements, shortly around the operating surface 115, becomes visible, so that a correction of an alignment of the hand 205 toward the desired operating surface 115 is possible, if necessary, and a desired switch can then be operated after touching the cover layer 210.In summary, the operating device 110 and the guide device 105 are presented, by means of which a distraction of the motorist, which is referred to here as user, is reduced. In the following, a method for operating the guide device 105 and thus for guiding the hand 205 to the ergonomically advantageously arranged operating surface 115 is also described. The hand 205 is guided along the smooth, curved, covering layer 210 in order to reach the ergonomically closest operating surface 115. Additional comfort functions can optionally be implemented.FIG. 3 shows a schematic illustration of a guide device 105 according to an exemplary embodiment. The guide device 105 illustrated in FIG. 3 corresponds, for example, to the guide device 105 described in FIG. 2 and is therefore likewise realized or realizable in a vehicle, as was described, for example, in FIG. 1. According to this exemplary embodiment, the guide device 105 is illustrated without the covering layer, which functions, for example, as a protective layer.The guide device 105 has an actuator unit 300 with a plurality of actuator elements 310 which can be extended or moved out of a common base element 305, wherein at least one first actuator element 315 and at least one second actuator element 320 from the plurality of actuator elements 310 can be electrically actuated independently of one another or can be electrically actuated separately from one another. Preferably, the hand of the user can be guided in a tactile manner as a result. For this purpose, the guide device 105 has the control unit 125, which is designed to actuate the first and the second actuator element 315, 320 in such a way that the first and the second actuator element 315, 320 are extended at different times and / or in a time-delayed manner. In particular, the control unit 125 is designed to actuate a deployment of the actuator elements 310, 315, 320, such that a cyclically recognizable, enlarging shaft 325, 325', 325" can be perceived by a user of the guide device 105. According to this exemplary embodiment, this wave movement is achieved in that the individual actuator elements 310 are actuated by the control unit 125 and a movable section 330 of the actuator elements 310 thereby moves out. This movable portion 330 includes, for example, a memory alloy material which is, for example, protruded or pushed out in a cone-like manner. According to this exemplary embodiment, the movable section 330 can be moved out over the floor element 305 to different height positions or can also be lowered again towards the floor element 305, so that the wave movement of a plurality of actuator elements 310 which extend or retract in a temporally offset manner is perceived or perceptible by the user as a flowing movement. Alternatively or additionally, the actuator elements 310, 315, 320 can also be based on other physical principles, to let an element become longer or shorter and thus to support a covering layer arranged on these elements at those positions at which the actuator elements are extended. For example, the actuator elements can also be based on a magnetic or electrostatic, hydraulic and / or pneumatic extension mechanism.In other words, the cover layer has a surface which is designed by the actuator elements in such a way that a hand of a user is guided in a tactile manner.According to this exemplary embodiment, the actuator elements 310 are arranged on the base element 305 in a maxtrix-like and / or planar manner, i.e. in rows and columns. The guide device 105 furthermore has a plurality of sensor elements 335 arranged on the floor element 305, which are collectively referred to as sensor unit 120. The sensor unit 120 is configured to detect a touch of the user. For this purpose, the individual sensor elements 335 according to this exemplary embodiment are arranged flexibly on the floor element 305, so that they are bent upon a touch by the user and, as a result, for example, a pulse or a corresponding detection signal is provided to the control unit 125 via, for example, an electrical connection 340. According to this exemplary embodiment, the sensor elements 335 are each realized in the manner of pins, for example as rod cells, and are arranged between the actuator elements 310. In particular, the sensor elements 335 are arranged in the rows and / or the columns between the actuator elements 310. In other words, the sensor elements 335 are arranged such that a corner of at least one of the actuator elements 310 is directed towards the respective sensor element 335. Only optionally, at most four corners of a total of four of the actuator elements 310 are directed at a respective sensor element 335. According to this exemplary embodiment, the guide device 105 has at least one electrical guide element 345, which is shaped, for example, to guide signals provided by the control unit 125 to the corresponding actuator elements 310.Merely optionally, the guide device 105 additionally has a mechanical control surface 350.In addition, according to this exemplary embodiment, a self-illuminating matrix marking is provided, so that, for example, a high-resolution display can be dispensed with. Input and output are row- and column-oriented. A detection, evaluation and activation also optionally takes place over the full extent, wherein guidance to the operator control surface is implemented. If, for example, the operating surface, which is also referred to as the target zone, is known, a short touch is optionally sufficient, which activates a loudless haptic field and, for example, activates the function with a pressure. The print is also optionally acknowledged haptically and / or tactilely. Further optionally, a display of measurement values that require a high resolution takes place in a field of view of the driver or using other display panels.In other words, electrical conductor track structures are worked out on the base element 305, which is designated as carrier layer, for example, and are also designated as electrical conductor elements 345.Sensor elements 335 and actuator elements 310 are applied to or on this conductor track structure 345. Further components, such as plugs and capacitors for improving electromagnetic compatibility (EMC), are not illustrated.According to this exemplary embodiment, a mechanism arranged or arrangeable under the cover layer is therefore illustrated. The actuator elements 310 and sensor elements 335 are arranged in a pixel-like manner in a matrix and are actuated, for example, via row / column drivers. The sensor data is electrically contacted to the control unit 125 via the conductor track structures 345 at an interface. The interface is configured bidirectionally. Through this interface, control signals are supplied to the actuator elements 310.The sensor elements 335 are formed, for example, as movable rod-shaped cells which are bent, kinked and / or deformed from a Ur layer, that is to say an initial state. For example, a hand 205 contacts the cover layer with a finger and deforms one of the movable sensor elements 335 positioned underneath. An H-measuring bridge balanced in the Ur position is detuned here, for example, by the differently extended conductor paths in an interior of sensor element 335. Their detuning is, for example, proportional to an output voltage. The sensor unit 120 enables a simultaneous evaluation of each of the individual selectively deformed cells 335 by means of its rod-shaped punctiform matrix arrangement.In order to produce a robust configuration of the bottom element 305 to form the rod-shaped cells 335, the empty spaces between the sensor elements 335 can be filled with flexible material according to an alternative exemplary embodiment. The material is advantageously formed from the same material from which the base element 305 and / or the at least one sensor element 335 is formed. The base element 305, also referred to as substrate, optionally has a compensating layer which has been laminated on, for example. The bottom element 305 has, for example, a structured copper conductor pattern. The conductor structure is structured, for example, by means of an etching process or laser.The shafts 325, 325', 325" are depicted, for example, as building and / or mining shafts 325, 325', 325". Continuously and / or in a coordinated manner, running waves 325, 325', 325" are generated. A functional mechanism of the actuator elements 310 is, for example, the carrying and control of a memory alloy material. This material alloy can be changed back and forth continuously or digitally from one predetermined shape to another, for example. In this particular application, a height deflection is applied. In this case, a proximity to the covering layer is reduced, which means that a soft sponge-like or fiber-like region is reduced. Thus, in one of the actuator elements 310, for example, the position is deflected to a maximum height and thus supports the covering layer for maximum hardness. Pressing in the surface is no longer possible.Conversely, the sponge-like region has the smallest support if the at least one actuator element 310 has not been deflected. This means that the particular effect is achieved by dynamic contrast between soft and hard running waves. This enhances the haptic and / or tactile effect.FIG. 4 shows a flow diagram of a method 400 according to an exemplary embodiment for operating a guide device. The method 400 can advantageously be used to operate a guide device as described in one of FIG. 2 or 3. Furthermore, method 400 may be carried out in a vehicle as described in FIG. 1. For this purpose, method 400 includes a step 405 of reading in and a step 410 of providing. In step 405 of reading in, a detection signal is read in via an interface to a sensor unit, wherein the detection signal represents a position of a detected touch by a hand of a user on an interior surface of the vehicle. In step 410 of providing, a first control signal is provided, wherein the first control signal causes at least the first actuator element to extend and / or extend. Furthermore, in step 410 of providing, a second control signal is provided, which brings about a moving out and / or moving in of at least the second actuator element in order to guide the user in a tactile manner.Merely optionally, in step 410 of providing, the first control signal and the second control signal are provided at different times and / or offset in time with respect to one another, in particular in order to bring about a wave-shaped movement perceptible by the user using the actuator elements. Furthermore, the method 400 optionally comprises a step 415 of outputting an info signal which represents a haptic or tactile feedback to the user about a detected contact of the guide element by the user.The method steps presented here can be carried out repeatedly and in a sequence other than in the described sequence.In other words, a switching request is detected on a smooth, curved, control panel surface by detecting a hand-movement characteristic which takes up a short distance in a preferred position. This distance in a short time is sufficient to reliably identify a switching request in delimitation from a random contact. The characteristic is, for example, individually recognized and / or stored. The detected characteristic provides the user or operator with an ergonomically preferred location of the shift zone.If, for example, a start touch coordinate is x1 / y1 and arbitrarily moves the time-path distance away from the operator, for example after x2 / y2, the operator request is first detected and the hand is then guided to the optimum next operator zone. In the most favorable case, the improved switching zone is in alignment with the turned-in direction x2 / y2.Alternatively, a hand-path path is corrected mechatronically using the detected path distance, i.e. it is deflected and guided to x3 / y3. This is true, for example, when a peripheral area of the switchboard is reached. A hit of the switching zone is acknowledged and haptic and / or tactile switching surfaces are provided. The switching surfaces are varied, for example, once by means of the frequency of the hardness structure and / or a logo is configured which reacts to a pressure, to a wiping, or to a typing. Schematic optical logos are only optionally displayed in situ or alternatively are depicted in high resolution on a suitable display device, such as a front screen, smart glasses or display panel. The particular feature is advantageously a surface change which is not appreciable.In the case of an evaluation in conjunction with other sensor information, further configurations are possible, for example, such as when using an interior camera for recognizing an input pattern or finger typing.In summary, a target guidance function in the vehicle interior, which is also referred to as a vehicle cockpit, is made possible. The method 400 brings about guidance of a hand to a sought position in the vicinity of the hand.Brightness and / or dark structures are shown on the cover layer. These structures exhibit a different distribution of strength. In this case, it stands clearly, for example, for a soft strength of the covering layer, also referred to as the panel surface. The darker the strength structure is depicted, the harder the strength at the panel surface. The essential point here is a perceptibility, for example with the fingers of one hand. It is also essential that the strength distribution can be set in a continuously freely programmable manner. For example, a traveling propagating wave is shown. The advantage is the detection of the waves which propagate. The decisive factor here is to produce the haptics by means of a distribution of strength when one hand is resting on them, which is associated with them almost without any change in the panel surface and does not require any deepening and / or increasing deformation.Furthermore, method 400 is simultaneously applicable to different movements, at different locations, for example, when a left hand and a right hand simultaneously track different patterns.At the electrical interface, for example, in step 405 of the reading-in, the detection signal is read in, which signal represents, for example, the position of the hand of the user, and on the basis of which the actuator elements are actuated. As a result, the user feels, for example, a soft or alternatively a hard resistance on the covering layer. For this purpose, the actuator elements are controlled dynamically mechanically in accordance with this exemplary embodiment.Output signals of the movable rod-shaped sensor elements, which represent time-path plugging characteristics, for example, are stored and / or analyzed, for example, in a computer program, simply optionally individually or in groups. An analysis result is matched with, for example, an input-output effect catalog and provides a selected output pattern as needed.If an exemplary embodiment comprises an "and / or" combination between a first feature and a second feature, this is to be read in such a way that the exemplary embodiment has both the first feature and the second feature according to one embodiment and either only the first feature or only the second feature according to a further embodiment.

Claims

Guide device (105) for guiding a hand (205) of a user of a vehicle (100), wherein the guide device (105) has the following features: - an actuator unit (300) having a plurality of actuator elements (310) which can be extended from a common base element (305), and wherein at least one first actuator element (315) and at least one second actuator element (320) of the actuator elements (310) can be electrically actuated independently of one another - a plurality of sensor elements (335) arranged on the base element (305), wherein the sensor elements (335) are designed to detect a position of contact of the hand (205) of the user and wherein the sensor elements (335) are arranged between the actuator elements (310, 315, 320), in particular in rows and / or columns between the actuator elements (310, 315, 320).Guide device (105) according to Claim 1, wherein the actuator elements (310) are arranged in the base element (305) in a matrix-like manner.The guiding device (105) according to any one of the preceding claims, comprising a cover layer (210) configured to cover the actuator unit (300), and / or wherein the actuator elements (310) are arranged between the bottom element (305) and the cover layer (210).Guide device (105) according to Claim 3, wherein the covering layer (210) comprises a deformable material, in particular an elastic material.The guide device (105) according to any one of claims 3 to 4, wherein the actuator elements (310) are configured to come into direct mechanical contact with the covering layer (210) or to support the covering layer (210), and / or wherein the actuator elements (310) are configured to change a surface strength of the covering layer (210) by extending and extending.Guide device (105) according to one of the preceding claims, having a control unit (125) which is designed to actuate the first actuator element (315) and the second actuator element (320) in such a way that the first actuator element (315) and the second actuator element (320) are extended at different times and / or in a time-shifted manner, in particular wherein the control unit (125) is designed to actuate an extension of the actuator elements (310, 315, 320) such that a shaft (325, 325', 325") which can be detected in a tactile manner can be detected by the hand (205) of the user of the guide device (105).Operating device (110) having a guide device (105) according to one of the preceding claims, wherein the operating device (110) has at least one operating surface (115) for actuating a vehicle function, in particular wherein the operating surface (115) has a lighting unit or a self-lighting material, wherein the guide device (105) is configured.Method (400) for operating a guidance device (105) according to one of Claims 1 to 6 for a vehicle (100), the method (400) comprising the following steps: - reading in (405) a detection signal (135) via an interface to a sensor unit (120), the detection signal (135) representing a position of a detected touch by a hand (205) of a user on an interior surface (105) of the vehicle (100); and - providing (410) a first drive signal (145), the first drive signal (145) causing at least the first actuator element (315) to be moved out and / or moved in, and providing (410) a second drive signal (150) causing at least the second actuator element (320) to be moved out and / or moved in.Method (400) according to Claim 8, wherein, in the step (410) of providing, the first drive signal (145) and the second drive signal (150) are provided at different times and / or offset in time with respect to one another, in particular in order to bring about a wave-shaped movement perceptible by the user using the actuator elements (310, 315, 320).Method (400) according to one of Claims 8 to 9, having a step (415) of outputting an info signal which represents a haptic or tactile feedback to the hand (205) of the user about a detected contact of the guide element (105) by the user.Control unit (125) which is configured to execute and / or control the steps (405, 410) of the method according to one of Claims 8 to 10 in corresponding units (130, 140).Computer program which is configured to execute and / or control the steps (405, 410) of the method (400) according to one of Claims 8 to 10.A machine readable storage medium having stored thereon the computer program of claim 12.

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