Control of function on motor vehicle by means of electromyographic sensor

Abstract

The invention relates to a control system (100) on a motor vehicle (105), comprising a myoelectric sensor (130) arranged on a person (110) in the region of the motor vehicle (105) for detecting a muscle stimulus for moving a hand (135) of the person (110); and a processing device (125). The processing device (125) is configured to: determine a sequence (300) of gestures (305-315) performed by the hand (135); wherein the gesture (305-315) comprises a contact of a first finger of the hand (135) with a second finger of the hand (135); and controlling a function of the motor vehicle (105) on the basis of the sequence (300).

Description

Technical Field

[0001] This invention relates to the control of motor vehicles. In particular, this invention relates to the control of the functions of motor vehicles. Background Technology

[0002] Motor vehicles include multiple systems or subsystems that can be controlled by occupants. For example, an entertainment system may be included, which can display visual or auditory information via one or more screens and / or one or more speakers. A communication system may allow interactive data exchange with remote sites. A ventilation system can heat or cool the interior space or supply fresh air to the interior space at different locations. Advanced or luxury motor vehicles may have a considerable number of occupant-controlled functions.

[0003] Motor vehicles are not only used to transport their occupants to a predetermined destination, but should also provide a comfortable and pleasant riding experience for those inside. A positive experience of riding in a motor vehicle is further enhanced by the ability of occupants to control or operate its functions, for example, to complete a task alone or with others during their journey.

[0004] Operating or controlling the functions of a motor vehicle can be very difficult due to the large number of available components, the arrangement of seats in the interior space, and the allocation of functions to occupants. Typically, many functions can only be controlled by occupants in the first row of seats, and certain functions are reserved for the driver. Summary of the Invention

[0005] The objective of this invention is to provide an improved operating scheme for motor vehicles. This invention achieves this objective through the technical solutions provided in the independent claims. The dependent claims provide preferred embodiments.

[0006] The control system on the motor vehicle includes: an electromyography (EMG) sensor located at a person's position within the vehicle's area for detecting muscle stimulation that causes the person's hand to move; and a processing device. The processing device is configured to: determine a sequence of hand gestures performed by the hand; wherein the gestures include contact between a first finger and a second finger of the hand; and control the functions of the motor vehicle based on the sequence.

[0007] Gestures can be performed by touching the fingers with the fingertips or pads. By using two different fingers of the same hand to form gestures, the sequence can be easily executed without the need for assistive tools. The function can be controlled with either the left or right hand, allowing the other hand to perform other activities freely. For example, a driver can use their other hand to drive a motor vehicle. The sequence can include one, two, or more individual gestures.

[0008] Furthermore, the sequence can be given regardless of position or orientation relative to the vehicle. Therefore, the sequence can be executed universally. By using electromyography (EMG) sensors, a person can use the sequence to control functions even if their hands are hidden or obscured.

[0009] The second finger can be the same finger in all gestures. More preferably, the second finger is always the thumb. Using the thumb and the first finger, four recognizable gestures can initially be performed. However, combinations are also possible, such as when the thumb touches two or more of the remaining fingers. Therefore, the set of gesture instructions for the sequence can be increased.

[0010] The sequence of gestures can be assigned parameters; wherein the processing device is configured to control a function based on these parameters. In a simple implementation, the parameters are two-valued. This can correspond to the on or off state of a function. In another implementation, the parameters can have more than two values. Multiple discrete values ​​that the parameter can take can be predetermined. Alternatively, a range of parameter values ​​can be predetermined. The values ​​can be selected steplessly within this range.

[0011] Multiple gestures can be predefined, each gesture being assigned a number; wherein the processing device is configured to control functions according to the determined numbers. Preferably, each gesture is assigned a single digit or a single code. More preferably, at least ten different gestures are predefined, and these gestures can be assigned the numbers 0 to 9. In another embodiment, the predefined gestures are symmetrically assigned positive and negative numbers, such as -3, -2, -1, 0, 1, 2, 3.

[0012] The processing unit can also be configured to control functions based on the current state of the function. This type of control can be called relative control. For example, it can control the side windows of a motor vehicle to "further up" or "further down". The control quantity can depend on the sequence.

[0013] In another implementation, the processing device is configured for absolute control of the function. The state of this function or the controlled device may be irrelevant. In the example above, the side window can be positioned in a predetermined vertical position according to a sequence, regardless of its previous position.

[0014] A person may be inside a motor vehicle. For example, a person may occupy one of several pre-selected seating positions in a motor vehicle. However, a person may also be outside the motor vehicle, for example, when the motor vehicle is parked and a person has left the motor vehicle or is about to enter the motor vehicle.

[0015] The control system can be set up independently or configured as an additional system for controlling functions. Conventional operation of the functions is also possible when necessary, such as by means of assigned operating elements like switches, joysticks, buttons, or touch-sensitive surfaces. Alternatively, functions can be controlled, for example, by means of menu-based user guidance or by means of dynamically configurable multifunction input devices.

[0016] An electromyography (EMG) sensor may include electrodes for placement on a person's skin. More preferably, at least two electrodes are provided, and a voltage can be determined between the electrodes. Preferably, multiple electrodes are used, which can be placed on predetermined areas of the skin. Voltages indicating muscle stimulation can be determined between the electrode pairs. The electrodes may include surface electrodes that can be loosely laid flat on the skin. In another embodiment, the sensor may be embedded in a device or garment worn by a person. This allows for easy and graceful operation of control elements by the person. The wearing comfort of the EMG sensor can be very high. The person's skin does not need to be injured.

[0017] Normal stimuli lead to perceptible movement; this is called isotonic stimulation. However, muscle activation can be determined even without accompanying movement using sensors. Variable activation can be so small that it can be detected by sensors without causing any or noticeable movement in a part of the hand. Changes in force applied to an object or stimulation of two antagonistic muscles can also be determined without movement. In this case, it can be called isometric stimulation.

[0018] When a muscle is stimulated, it contracts and exerts force on a joint or limb. Different types of contraction can be distinguished here. Isometric (“same-size”) contraction, or isometric muscle contraction, occurs when a muscle performs only a change in tension but not a change in length. In isotonic (“same-tension”) contraction, the muscle shortens while the force remains constant. This can occur, for example, when a heavy object is lifted very slowly over a short distance. Variable-tension (“different-tension”) contraction involves changes in both force and length. This is the most common type of contraction and accompanies normal movement.

[0019] Based on the identification of stimuli, different types of contractions can be distinguished. Therefore, not only the position or posture of the limb connected to the muscle can be determined, but also the degree of tension. For example, a hand can grasp an object and grip it with varying degrees of intensity while maintaining a substantially unchanged posture. Correspondingly, a hand can press against an object, such as its surface, with varying degrees of intensity. Two parts of the hand (e.g., two fingers, one of which may include the thumb) can squeeze against each other with varying degrees of intensity. A person can also stimulate two antagonistic muscles at the same limb or joint to varying degrees. For example, one muscle may include the flexors of the fingers of the hand, and another muscle may include the extensors of the fingers of the hand.

[0020] When determining a posture or gesture, different types or intensities of stimuli can be considered. These parameters can be evaluated individually or in combination with, for example, position, orientation, or nearby objects. Additional sensor signals, such as those indicating position, acceleration, or orientation, can be considered. This allows selection from a large pool of parameters that are typical for determining a predetermined action or posture.

[0021] In particular, when acquiring multiple signals, such as when using multiple electrodes, when detecting different types or intensities of muscle stimulation or contraction, when considering signals from another sensor or another scanning device, or when evaluating observation sequences, self-learning techniques can be used to identify gestures or postures.

[0022] For example, a kinematic neural network (KNN) can be trained to recognize predetermined gestures or postures based on multiple such observations. Training can be conducted outside a motor vehicle. For training, different subjects can perform multiple gestures or postures to be recognized, during which the observations are detected. The KNN can be configured, for example using backpropagation, within the training scope to recognize the postures or gestures of different individuals. Typically, a large number of measurements are required for training, each assigned to a gesture or posture to be recognized. These measurements must be provided to the KNN very frequently to achieve good recognition results.

[0023] The required recognition accuracy of the KNN can depend on the function being controlled. For this purpose, thresholds for the false positive rate (False Positive) and the true positive rate (True Positive) can be selected. If the accuracy falls below a first threshold and simultaneously below a second threshold, training can end, and the KNN can be used for evaluation on a motor vehicle as described herein. Optionally, the KNN can be further trained while it is being used to recognize gestures or postures on a motor vehicle. This allows the KNN's functionality to be adapted to specific individuals.

[0024] Posture can be determined, in particular, by the orientation of the hand in space and / or the orientation of one or more fingers on the hand. In a predetermined hand posture, muscles can be activated differently depending on the hand's posture. For example, when the hand is hanging down, the activation of the muscles acting on the fingers may differ from when the hand is extended forward. Sensors or processing devices are preferably configured to determine hand posture independently of the hand's orientation in space. Generally, gestures are understood as transitions from one posture to another. Gestures may involve only a part of the hand, especially the fingers. Therefore, multiple gestures can be evaluated simultaneously.

[0025] Electromyography (EMG) sensors are preferably positioned for placement on a person's wrist or forearm. The muscles required to move the fingers or the entire hand can be located above the wrist, allowing particularly useful data on hand posture or movement to be detected in this area.

[0026] Electromyography (EMG) sensors can include wristbands for placement on a person's wrist. These wristbands can be incorporated into electronic devices such as smartwatches or fitness trackers. The sensors can also be placed in other objects that a person can place them in the hand area. For example, the sensors can be embedded in a ring or glove. A person can wear the wristband on either their left or right wrist. The effectiveness of the gesture can depend on whether it is performed by the left or right hand. The choice between the left and right wrist can be determined based on the person's preference or their seating position within a vehicle.

[0027] The wristband can be aesthetically pleasing and attractively designed so that it can be perceived as jewelry by a person or others. In another embodiment, the sensor can be integrated into a device worn on the wristband, such as a smartwatch or fitness tracker. The wristband is preferably configured to hold one or more electrodes of the electromyography (EMG) sensor on the surface of a person's skin. For this purpose, the wristband can be elastic or include elastic elements. Alternatively, an active device can be provided to press the electrodes onto the skin, such as a pneumatic or thermal actuator. The wristband can be aesthetically pleasing and can also be used as jewelry. Preferably, the wristband can be worn on the right or left limb of a person. Multiple people in a motor vehicle can each wear one or more EMG sensors.

[0028] An accelerometer sensor can be mounted on the wristband. The processing device can be configured to determine the hand's position, orientation, gesture, or posture based on the acceleration data from the accelerometer sensor.

[0029] It should be noted that measurements from multiple sensors can be combined. For example, the position of a wristband or hand can be determined based on camera data from a camera mounted on a vehicle and, additionally, on acceleration data from an accelerometer mounted on a wristband or hand. This allows for improved determination of gestures or the context in which they are performed.

[0030] Preferably, the two gestures in the sequence are in a predetermined temporal relationship with each other. To identify the sequence, it can be determined whether the predetermined time sequence is followed. For example, if a predetermined gesture follows another gesture with a significantly larger or smaller delay than the predetermined time, the combination cannot be accepted or identified as a sequence. The temporal correlation between input elements can support predetermined tolerances. Furthermore, dynamic evaluation is possible, allowing the inputs to be executed, for example, either generally quickly or generally slowly. However, if the speed of gesture execution changes, it can lead to recognition failure during the sequence.

[0031] Preferably, the processing device is configured to control the functions assigned to the sequence. These functions can be performed by a motor vehicle or a system or subsystem contained within it. For this purpose, any actuator, device, or apparatus of the motor vehicle can be used. The assignment between the sequence of gestures and functions can be predetermined or determined by a person.

[0032] In another embodiment, a detection device is provided for determining the position of a person's hand. This processing device can be configured to additionally determine a sequence based on that position. Therefore, a predetermined sequence given at different locations within the vehicle can have different meanings or control different functions. For example, a sequence in the footwell area might result in lighting activation, while the same sequence in the ventilation system (heating, ventilation, air conditioning, HVAC) area might result in a change in airflow diffusion. In an extended embodiment of this concept, the pointing direction of the hand can also be evaluated. The sequence or the gesture of the sequence can be evaluated considering the pointing direction. The pointing direction can be evaluated with respect to the person, other persons, the vehicle, or elements on the vehicle that the person is pointing to.

[0033] Similarly, a detection device can be provided for determining the visual axis of a person. This processing device can also be configured to additionally determine a sequence based on the visual axis.

[0034] It should be noted that both the pointing direction and the visual axis can change during the sequence. The direction that changes during the sequence can be evaluated in any way. For example, the pointing or gazing direction during the detection of the corresponding element can be applied separately for each element of the sequence. In another implementation, a specific direction is applied for multiple or all elements of the sequence. In particular, this direction can be determined at the beginning or end of the input.

[0035] The processing device can be configured to determine the degree to which a detected gesture sequence matches a predetermined gesture sequence. This degree of matching can be fed back to the person performing the gesture. The degree of matching can indicate the extent of the difference between the predetermined gesture and the gesture performed by the person.

[0036] Therefore, personnel can more easily learn to execute sequences. Conversely, the degree of conformity can be used to enable the control system to learn to recognize sequences more effectively. The determination of conformity or degree of conformity can, for example, be used in games that require skill from personnel. The better a person executes a predetermined sequence, the more successfully they can participate in the game. The game can also be played among multiple people in a motor vehicle, where, for example, multiple players attempt to imitate a predetermined sequence or are provided with sequences in time synchronization, and then these sequences are compared with each other.

[0037] The control system may also include a display device for providing prompts about the sequence. Thus, in one embodiment, a determined level of consistency can be provided. Prompts about the input can be provided before, during, or after. In one embodiment, the identified sequence can be displayed on the display device. This display can be in the form of an animated hand. The viewing angle or playback speed can be variable. Furthermore, prompts can be displayed regarding which function the input is associated with. During the provision of the sequence, the identified elements can be analyzed, and the display device can show which functions can be controlled by a sequence that begins with an already executed sequence. Therefore, operators can operate more effectively through a decision space that can be traversed when the sequence is subdivided.

[0038] Particularly preferred is that the processing device is configured for machine learning. In particular, the processing device can learn postures, gestures, or, for example, temporal relationships between different postures or gestures. For instance, a predetermined sequence is always slightly deviated from in the same way by a predetermined user, and this difference can be learned by the processing device. The learning process can be based on settings for specific individuals, allowing different individuals to perform different adjustment operations, which the control system can then identify without error.

[0039] According to another aspect of the invention, a motor vehicle includes the control system described herein. The motor vehicle preferably includes a passenger car, a truck, or a bus. Optionally, the motor vehicle may also include a motorcycle. Particularly in this embodiment, it is conceivable that personnel may wear gloves, so that the personnel's fingers cannot directly contact the object, but rather contact it through the material of the glove.

[0040] According to another aspect of the present invention, a method for controlling the functions of a motor vehicle includes the following steps: scanning electromyographic pulses of muscle stimulation for moving the hand of a person in the area of ​​the motor vehicle; detecting a sequence of gestures performed by the hand; wherein the gestures include contact between a first finger and a second finger of the hand; and controlling the functions of the motor vehicle based on the sequence.

[0041] This method can be implemented, wholly or partially, by means of the control system described herein, and in particular, the processing device it contains. For this purpose, the processing device can be implemented electronically and, for example, include a programmable microcomputer or microcontroller, and the method can exist in the form of a computer program product having program code means. The computer program product can also be stored on a computer-readable data carrier. Features or advantages of the method can be transferred to the device or vice versa. Attached Figure Description

[0042] The invention will now be described in more detail with reference to the accompanying drawings, in which:

[0043] Figure 1 Showing the control system on the motor vehicle;

[0044] Figure 2 A wristband with an electromyography sensor is shown;

[0045] Figure 3 Exemplary gestures are shown;

[0046] Figure 4 It demonstrates the controllable functions of the motor vehicle; and

[0047] Figure 5 A flowchart illustrating the method is shown. Detailed Implementation

[0048] Figure 1 A control system 100 on a motor vehicle 105 is shown. The control system 100 is configured to facilitate or enable operation of predetermined elements 115 by an occupant 110 on the motor vehicle 105. Element 115 is shown here exemplary as a ventilation grille and symbolizes a ventilation, heating, or air conditioning system. Occupant 110 may include, in particular, a driver or passenger. As a passenger, occupant 110 may be located in the first, second, or additional seating rows of the motor vehicle 105. Element 115 may be used to control the motor vehicle 105 (e.g., drive system, lighting system, or door system) or additional functions (e.g., navigation, air conditioning, heating, or entertainment systems).

[0049] The control system 100 includes a detection device 120, a processing device 125, and an electromyography sensor 130, and optionally includes an acceleration sensor 132, wherein the sensors 130 and 132 are disposed in the area of ​​the hand 135 of a person 110 on the vehicle 105.

[0050] The detection device 120 is configured to determine the position of a hand 135 on the vehicle 105. Preferably, it also determines the orientation of the hand 135 to obtain an overall pose. The detection device 120 may include, for example, a camera by which the hand 135 can be identified and located. In another embodiment, the detection device 120 may replace the hand to locate the electromyography sensor 130 or an element connected thereto.

[0051] An electromyography (EMG) sensor 130 can be placed on the skin surface of a person 110. The EMG sensor 130 can determine muscle stimulation that enables the hand 135 to move or be held. Subtle changes in tension can also be discerned. The EMG sensor 130 can be configured to determine stimulation of multiple muscles, which can individually control different parts of the hand 135.

[0052] Currently, sensor 130 is fixed to wristband 140, which can be worn by person 110 on their left or right wrist. Personnel 110 can also wear two wristbands 140 on different wrists, thereby allowing the determination of relative or combined postures or gestures. Figure 1In the illustration, two personnel 110 each wear a wristband 140; the function of the control system 100 is illustrated by reference to the personnel shown on the right.

[0053] Accelerometer 132 is configured to determine the acceleration of hand 135 or wristband 140 disposed thereon. Based on this acceleration, the movement and / or position of hand 135 or wristband 140 can be determined.

[0054] The detection device 120 or other detection device may be configured to determine the visual axis 145 of the person 110. This allows for the determination of the position and orientation of the person 110's head. Furthermore, the position of one or both eyes of the person 110 can be determined. The visual axis 145 follows the line of sight of the person 110 and originates from their head.

[0055] The association between gestures and vehicle features or functions can preferably be created or modified with the support of a graphical user interface (GUI). For example, elements of a gesture sequence can be selected and placed in a desired order. Furthermore, features or functions can be selected, and the sequence can be assigned to those features or functions.

[0056] Accordingly, the detection device 120 or other detection device may be configured to determine the pointing direction 150 of the person 110. The person 110 may point with their hand 135 towards the element 115 in the vehicle 105. The person will typically remove their hand 135 from their body. The pointing direction 150 generally extends through the hand 135, and its origin may, in different embodiments, be located in the area of ​​the person 110's elbow, shoulder, or head. Generally, the pointing direction 150 extends through the element 115 that the person 110 is pointing to.

[0057] The processing device 125 is configured to receive information from the detection device 120 and the sensor 130, and optionally determine the visual axis 145 and / or pointing direction 150. Based on this information, the processing device 125 can determine an element 115, in which the person 110's hand 135 is located, and which intersects the visual axis 145 and / or pointing direction 150. Furthermore, the processing device 125 can determine the posture or gesture of the hand 135 based on information from the sensor 130. The processing device 125 can receive the corresponding sensor information via a preferably wireless communication device 155.

[0058] The output device 160 can support the selection of element 115, the selection of the function of element 115, and / or control of the function by providing feedback to the person 110. In the illustrated embodiment, the output device 160 is exemplarily shown as a BMW Panoramic Vision. In other embodiments, any other element on vehicle 105 can be used to provide feedback to the person 110. This includes, for example, lighting elements, acoustic elements, or haptic elements of vehicle 105. The output device 160 may also be mounted on wristband 140. The output device 160 can be manipulated to allow the person 110 to interactively control predetermined functions via control system 100. The output on the output device 160 can in particular provide prompts or feedback regarding selectable or selected, operable or operated elements, to which predetermined functions are assigned.

[0059] The processing device 125 can control the components 115 of the vehicle 105 via the interface 165. Optionally, feedback can be given via the interface 165, which may relate, for example, to the status or options of the components 115. The feedback can be further processed for operating the components 115 or for notifying personnel 110.

[0060] Figure 2 An exemplary wristband 140 is shown that can be worn by a person 110 on a vehicle 105. The wristband 140 can be placed on the hand 135 of the person 110, the wrist connected to the hand, or the forearm. The wristband 140 includes an electromyography (EMG) sensor 130 and preferably includes a power supply device 205 and a wireless communication device 210. Additionally, an actuator 215 may be provided. An accelerometer 220 may also be provided, configured to determine the acceleration of the hand 130. The movement or position of the hand 130 can be deduced based on the acceleration.

[0061] The energy supply device 205 preferably includes a battery, which can be charged, for example, on the vehicle's electrical grid 105. In one embodiment, wireless charging can be performed, for example, by means of a charging coil, and the wristband 140 can be held or placed near the charging coil. The communication device 210 is configured to communicate with the communication device 155 of the processing device 125. Communication is preferably bidirectional and can be performed using common methods such as Bluetooth, WLAN, or ZigBee. The actuator 215 is configured to provide feedback to the person 110. The actuator 215 can be implemented, in particular, tactilely, electrically, optically, or acoustically. Electrical feedback can be provided, for example, by introducing a predetermined small stimulating current onto the skin of the person 110.

[0062] Figure 3An exemplary sequence 300 of exemplary gestures is shown. A first gesture 305 includes contact between the index finger and the thumb of one hand. A second gesture 310 includes contact between the middle finger and the thumb. A third gesture 315 includes contact between the ring finger and the thumb.

[0063] Other or additional gestures 305-315 may also be predefined. Gestures 305-315 may include two or more fingers of the same hand. Gestures 305-315 preferably include contact of the tips or fingertips of the relevant fingers. However, in another embodiment, other combinations of two or more fingers may also be identified as gestures 305-315, such as the crossing of two fingers, especially adjacent fingers (excluding the thumb).

[0064] Sequence 300 may include one, two, or more gestures 305-315 that can be performed by person 110. It is possible that a gesture 305-315 may appear multiple times in a sequence 300. Gestures 305-315 may appear in sequence 300 according to a predetermined time schedule. For example, gestures 305-315 may need to be maintained for a predetermined time in order to be recognized. The entire sequence 300 may be completed within the predetermined time to enable recognition.

[0065] Figure 4 Exemplary controllable functions of motor vehicle 105 are shown. Vertically adjustable side windows 415 in the side door 420 of motor vehicle 105 are shown in the first figure 405 and the second figure 410, respectively.

[0066] Referring to the first figure 405, the side window 415 can be placed in different absolute positions 425, for example by means of an electrically driven mechanism. Each position 425 can be assigned a gesture 305-315, so that by the person 110 performing the assigned gesture 305-315, the side window 415 can be controlled to the corresponding position.

[0067] Referring to the second figure 410, the side window can also be controlled relative to the current position 430. Exemplary examples show two relative positions 435 above the current position and two additional relative positions below the current position. The side window 415 can be raised or lowered by a predetermined amount by a corresponding gesture performed by a person 110. In the illustrated embodiment, the side window 415 can alternatively be raised or lowered by a larger or smaller amount. Other combinations are also possible.

[0068] Figure 5 A flowchart illustrating an exemplary method 500 for controlling the functions of a motor vehicle 105 is shown. In step 505, a person 110 in the area of ​​the motor vehicle 105 may be scanned by means of an electromyography (EMG) sensor. Muscle stimulation capable of moving the hand 135 of the person 110 may be detected here.

[0069] In step 510, the function to be controlled for the vehicle 105 can be selected. This function can be determined based on gestures 305-315, previous gestures 305-315, the current context, pointing direction 150, the line of sight 145 of the occupant 110, or other factors. The function can directly relate to the vehicle 105 or a system installed on the vehicle, or it can relate to a user interface, through which vehicle functions can be selected, for example. For example, a hierarchical menu can be displayed to the occupant 110, and a first gesture 305 can select an item, a second gesture 310 can return to the previous menu, and a third gesture 310 can cancel menu navigation. Other assignments are also possible.

[0070] In step 515, a sequence 300 of one or more gestures 305-315 performed by the hand 135 of person 110 can be identified based on the detected stimulus. Furthermore, it can be determined how the identified function should be controlled based on the sequence 300. For example, if gestures 305-315 involve raising and lowering the side window 415, it can be determined how the movement of the side window 415 should be controlled.

[0071] Relative control is performed in the first variant 520. In step 525, the current state or current position 430 and the increment can first be determined. The increment assigned to the sequence 300 can give the direction and / or distance from the current state 430, thereby determining the new state or new position.

[0072] In the second variant 530, absolute control of the function is exercised. The new state to which the function should be placed (i.e., the new position 425 to which the side window 415 should be placed) is directly assigned to the detected sequence 300.

[0073] In step 535, a new state or position can be manipulated. In the given example, the drive mechanism of the side window 415 can be manipulated to cause the side window 415 to occupy the determined new position 425, 435. For this purpose, the side window 415 in the side door 420 can be raised or lowered accordingly.

[0074] List of reference numerals

[0075] 100 control system

[0076] 105 Motor Vehicles

[0077] 110 personnel

[0078] 115 components

[0079] 120 detection device

[0080] 125 processing unit

[0081] 130 electromyography sensor

[0082] 132 accelerometer

[0083] 135 lots

[0084] 140 Wristband

[0085] 145-degree line of sight

[0086] 150 pointing direction

[0087] 155 communication device

[0088] 160 output device

[0089] 165 interface

[0090] 205 Energy Supply Unit

[0091] 210 communication device

[0092] 215 actuator

[0093] 220 Accelerometer

[0094] 300 sequence

[0095] 305 First Gesture

[0096] 310 Second Gesture

[0097] 315 Third Gesture

[0098] 405 First Illustration

[0099] 410 Second Diagram

[0100] 415 side window

[0101] 420 side door

[0102] 425 Absolute Position

[0103] 430 Current Location

[0104] 435 relative position

[0105] 500 methods

[0106] 505 scanned the personnel.

[0107] 510 Selection Function

[0108] 515 Gesture Recognition

[0109] 520 relative control

[0110] 525 Confirms New Status

[0111] 530 Absolute Control

[0112] 535 new control state

Claims

1. A control system (100) on a motor vehicle (105), wherein, The control system (100) includes the following components: An electromyography (EMG) sensor (130) is placed at a person (110) in the area of ​​the vehicle (105) to detect muscle stimulation for moving the person's (110) hand (135); Processing device (125), the processing device is configured to: determine a sequence (300) of gestures (305-315) performed by the hand (135). The gesture (305-315) includes contact between the first finger and the second finger of the hand (135); and The function of controlling the motor vehicle (105) based on the sequence (300) is as follows.

2. The control system (100) according to claim 1, wherein, The second finger is the same finger in all gestures (305-315).

3. The control system (100) according to claim 1 or 2, wherein, The sequence (300) of the gestures (305-315) is assigned parameters; the processing device (125) is configured to control the function according to the parameters.

4. The control system (100) according to claim 3, wherein, The parameter can have more than two values.

5. The control system (100) according to any one of the preceding claims, wherein, Multiple gestures (305-315) are predefined, each gesture being assigned a number; the processing device (125) is configured to control the function according to the determined numbers.

6. The control system (100) according to any one of the preceding claims, wherein, The processing device (125) is configured to control the function based on the current state of the function.

7. The control system (100) according to any one of the preceding claims, wherein, The processing device (125) is configured to absolutely control the function.

8. The control system (100) according to any one of the preceding claims, wherein, The person (110) is located on the motor vehicle (105).

9. The control system (100) according to any one of claims 1 to 7, wherein, The person (110) is located outside the vehicle (105).

10. A motor vehicle (105), comprising a control system (100) according to any one of the preceding claims.

11. A method (500) for controlling the functions of a motor vehicle (105), wherein, The method (500) includes the following steps: Scan (505) for electromyographic pulses of muscle stimulation to move the hand (135) of a person (110) in the area of ​​the motor vehicle (105); Detect (515) the sequence (300) of gestures (305-315) performed by the hand (135); The gesture (305-315) includes contact between the first finger and the second finger of the hand (135); and The function of controlling (535) the motor vehicle (105) based on the sequence (300) is to control (535).

Images