EP3837769A1 - Procédé de commande d'un appareil, dispositif de mise en oeuvre du procédé, porte de véhicule et programme informatique - Google Patents

Procédé de commande d'un appareil, dispositif de mise en oeuvre du procédé, porte de véhicule et programme informatique

Info

Publication number
EP3837769A1
EP3837769A1 EP19753326.8A EP19753326A EP3837769A1 EP 3837769 A1 EP3837769 A1 EP 3837769A1 EP 19753326 A EP19753326 A EP 19753326A EP 3837769 A1 EP3837769 A1 EP 3837769A1
Authority
EP
European Patent Office
Prior art keywords
signal
acoustic
optical
button
vehicle door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19753326.8A
Other languages
German (de)
English (en)
Inventor
Daniel Zach
Dominik Ulrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP3837769A1 publication Critical patent/EP3837769A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96062—Touch switches with tactile or haptic feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960705—Safety of capacitive touch and proximity switches, e.g. increasing reliability, fail-safe
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches

Definitions

  • the invention relates to a method for operating a device.
  • the device to be operated can be a component installed in a vehicle. But it can also be a household appliance, such as a washing machine, refrigerator, dishwasher, oven, steamer or hob.
  • the device is a control panel that is installed in a vehicle door.
  • the invention further relates to a device for carrying out the method, a vehicle door in which the device for carrying out the method is installed and a computer program.
  • buttons are provided in the control panel, which are designed to be touch-sensitive. For this e.g. capacitive sensor buttons are used.
  • Malfunctions occur in which the user can no longer freely select a function.
  • An example is incorrect operation, e.g. touching the buttons with multiple fingers or in undefined places.
  • the switching signal is then not clear and it does not trigger a function.
  • the control panel can be wetted with water, for example by rain. This can lead to sensory fault detection, which also does not lead to a function triggering. Other external influences can be: wetting by snowfall, by fog, by poured drinks, by applying creams or impairments by deposited objects, body parts, etc.
  • the reason for the malfunction is as follows: As soon as the touch control surface of the control panel is wetted with moisture or several touch control surfaces are operated indefinitely, a "capacitive short circuit" can occur, which results in the touch control panel not functioning. It is only when moisture wetting is removed (by wiping) that the control unit will function again.
  • a remote control for a bathtub which has several buttons for operation. If a button for filling a bathtub with hot water is pressed in the state in which the hot water supply is blocked (deactivated), the filling of hot water is automatically blocked and a buzzer is activated three times. In addition, an associated indicator LED flashes three times.
  • the aim of the invention is to facilitate the operation of operating parts which are exposed to robust operating conditions during use.
  • the user should be given feedback about the status of the control panel.
  • the solution consists in a method for operating a device, for which
  • a button on an operating unit is pressed.
  • the actuation of the button is measured by a processor device.
  • a step is then carried out to evaluate the read measured values. The evaluation is carried out in such a way that it is determined whether the measurement signal has a regular shape or an irregular shape when the button is pressed. If it is determined that the measurement signal has a regular shape, the function assigned to the button is carried out. If a regular shape is recognized, an acoustic, a haptic or optical confirmation signal or two or more of these are optionally output, and if an irregular shape is detected, an acoustic, a haptic or optical fault signal or two or more of these are output simultaneously.
  • the user will thus signals that the control element is in a temporary non-functional state.
  • the output of the fault signal alerts him that there is a fault in the control panel and that he may have to remove the moisture in order to restore proper function. This prevents the user from going to a workshop in the event of uncertainty about the cause of the fault in order to complain about the non-functioning.
  • the interference signal is carried out with its own special characteristic.
  • an acknowledgment tone is output as the acoustic confirmation signal and a distorted acknowledgment tone is output as the fault signal.
  • the user gets an easy one
  • acoustic, haptic and optical fault signals can be freely combined or used individually.
  • an optical confirmation signal is output.
  • an illuminant is brought to a permanent glow for a certain time and, as a fault signal, the illuminant is brought to a flashing glow for a certain time.
  • an illuminant of a first color is brought to a permanent glow for a certain time and as an optical confirmation signal
  • Fault signal a lamp of a second color brought to a permanent glow or flashing glow for a certain time. Thanks to the possibility of color design, improved feedback is possible here (green for correct function, yellow for temporary malfunction).
  • an acoustic disturbance signal is output permanently or for a specific time.
  • a haptic interference signal is output permanently or for a specific time.
  • the apparatus is equipped with at least one processor device which is set up to carry out the method steps in the method in addition to pressing the button.
  • the device further comprises a control unit and an acoustic, haptic or optical signal transmitter via which the optional
  • Confirmation signal and the fault signal is output. It can also be one
  • the control panel has a number of buttons for operating the device, which generate a characteristic switching signal when actuated.
  • the buttons can be implemented using touch-sensitive capacitive sensor buttons.
  • a microcontroller is preferably used as the processor device. This is typically equipped with the means such as A / D converters, timers for the
  • the device has at least one optical signal transmitter in the form of a light-emitting diode LED.
  • Light-emitting diodes are insensitive to mechanical shocks, extremely durable and use little energy.
  • the device has at least two optical
  • the optical, haptic or acoustic signal transmitter is part of the control unit.
  • the feedback comes directly from the point where the button was pressed.
  • the proposed device can advantageously be used in a vehicle door.
  • the control unit is used to operate door components such as window regulators,
  • the acoustic signal generator is a loudspeaker built into the vehicle door. Speakers are typically used in vehicle doors anyway built-in. The acoustic signal generator then does not need to be provided in the control panel. This can lead to cost savings.
  • the entire audio system of the vehicle is used to generate the acoustic feedback.
  • the processor device has a bus interface that sends a message with a command to output the acoustic confirmation signal or the acoustic fault signal to a door control unit.
  • the control panel is typically connected to the door control unit via the LIN bus.
  • the door control unit generates the corresponding tones and outputs them to the loudspeaker.
  • Figure 1 is a view of a control panel with various buttons for operating components of a vehicle door.
  • Fig. 2 shows the signal curve when pressing a button on the control panel without
  • Fig. 4 is a view of the internal structure of the control panel with the various
  • Fig. 5 is a block diagram of a door control unit and its connection with
  • Fig. 6 is a block diagram of the control panel for operating components of a
  • Fig. 7 is a flowchart for a program that is processed in the microcontroller of the control panel.
  • the present description illustrates the principles of the disclosure of the invention. It is therefore understood that those skilled in the art will be able to design various arrangements, which are not explicitly described here, but which embody principles of the disclosure according to the invention and should also be protected in their scope.
  • FIG. 1 shows a view of an operating element that is installed in a vehicle door for operating components. It can be any vehicle door
  • Act vehicle It is typically used in a vehicle door of a passenger motor vehicle. However, any other vehicle could also be considered as a vehicle. Examples of other vehicles are: bicycles, motorcycles,
  • Buses commercial vehicles, in particular trucks, agricultural machinery, construction machinery, rail vehicles, etc.
  • the use of the invention would generally be possible for land vehicles, including robots, rail vehicles, watercraft and aircraft, including drones.
  • Fig. 1 shows a realistic scenario of moisture wetting after rainy weather or e.g. thawed snow that has fallen into the vehicle interior after the snow-covered door has been opened.
  • the control panel contains 10 buttons for operating e.g. windows,
  • Fig. 2 shows a clean measurement signal when only one of the buttons is touched.
  • the time in ms is plotted on the abscissa.
  • the measured capacitance value in pF is plotted on the ordinate.
  • the clean measurement signal is roughly in the form of a square-wave signal, but with two signal peaks, one at the beginning of the signal and the other at the end of the signal. With this signal course, only the pressed button is active, all other signals indicate inactivity of the corresponding buttons.
  • FIG. 3 shows an example of a measurement signal smeared by moisture. Touching a button when moisture has entered changes the measured capacitance values. At the same time, the capacity values of the other buttons are also changed, so that it can happen that when one is touched Button also address other buttons and a measurement signal is output by the measurement. 3 shows that several buttons respond several times in succession. There is a "capacitive short circuit". The measurement signal recognized in the measurement interval looks completely different from that in FIG. 2.
  • Fig. 4 shows the internal structure of the control element. They are different
  • Buttons are designed for the capacitive measurement of a touch.
  • the buttons consist of an outer metallic border and a number of crossed conductor tracks on the inside.
  • a plastic plate is placed over the buttons, which is provided with drill holes. A borehole can be
  • Fig. 5 shows a simplified block diagram of a door control device.
  • the door control unit is designed for use in a vehicle door.
  • reference numeral 10 denotes a so-called door separation point.
  • Body control unit led to the door components. Typically, all lines are bundled to a connector unit in the door. Another connector unit is installed in the body. When installing the door in the vehicle body, both connector units are connected with a cable set, via which one
  • Rubber sleeve is put over so that the slot, plug unit and cable are protected (not shown).
  • the door control unit is designated by the reference number 20.
  • the following door components are connected to the door control unit 20: A number of electric motors as
  • Actuators 31, 32, 33 denotes an electric motor for one
  • the reference number 32 denotes a window lift motor with which
  • Reference number 33 is a door lock lock motor. More connected
  • Door components are an operating part 40, which is used to operate window regulators, rear-view mirrors and door locks.
  • the control panel 40 is designed as a keypad with buttons, see. Fig. 1 and 4. Another control panel could be connected. Then one or more speakers 50 are connected.
  • a digital camera 61 is also connected as a further door component. This can be designed as a simple video camera.
  • the exterior mirror housing can be installed in the exterior mirror housing, for example. There it is used to supply images for monitoring the vehicle side.
  • Other door components could be connected (not shown). That would be, for example, several lighting units for the interior or exterior lighting or a second digital camera for rear traffic (rear view mirror camera).
  • the structure of the door control unit 20 is discussed below. It contains the components microcontroller 230, Ethernet interface (PHY) 210, Ethernet switch 220 and class D amplifier module 240.
  • the amplifier module 240 contains as many class D amplifier output stages as loudspeakers 50 are to be connected.
  • the Ethernet interface 210 relates to the variant for automotive Ethernet.
  • This Ethernet variant is also known as "BroadR Reach” technology.
  • the BroadR-Reach Ethernet physical layer standard which is suitable for the automotive sector, can be combined with Ethernet switch technology according to the IEEE 802.3 standard, which results in a
  • the Automotive Ethernet works in full duplex mode, i.e. Via a twisted two-wire line, the data is transmitted in both directions back and forth simultaneously. With this variant of the Ethernet bus system, the cabling effort is particularly low.
  • the Ethernet interface 210 shown is equipped with two ports. The Ethernet cable that leads to the door disconnection point 10 is connected to port 1. The digital camera 61 is connected to port 2. The data for all door components shown is sent to the Ethernet switch 220 via port 1. The data is typically supplied by the body control unit. The Ethernet switch 220 distributes the data packets to its output ports. In the example of FIG.
  • the data packets which are used to control the digital camera 61 are forwarded to port 2.
  • the data packets that are provided for the other door components are forwarded to the output port (port 3) to which the microcontroller 230 is connected.
  • the distribution to the door components takes place internally in the microcontroller 230.
  • the distribution of the data packets in the Ethernet switch 220 is based on the evaluation of the MAC addresses of the data packets which are assigned to the individual ports.
  • a gateway 235 is provided in the microcontroller 230, which is used to convert the audio data packets that are transmitted via the IP protocol.
  • the transport protocol used for audio streaming corresponds to the well-known RTP protocol, corresponding to the “Real-Time Transport Protocol”.
  • the RTCP protocol is used for control purposes for this audio streaming, corresponding to the “Real-Time Control Protocol”.
  • the audio data is an Inter-IC Sound Bus l 2 S transmitted to the digital amplifier module 240th
  • the gateway 235 takes over the task of reformatting the data packets from the RTP format into the l 2 S format.
  • the digital amplifier module 240 also contains the necessary D / A converter (s) in order to convert the extracted audio data back into an analog audio signal, which is then finally amplified with the digital amplifier 240.
  • the microcontroller 230 itself converts the data for the control of the electric motors 31 and 32 into the format of the LIN bus corresponding to the Local Interconnect Network bus, via which the electric motors 31, 32 are connected to the door control unit 20. Reference is made to the corresponding documentation of the industry standard.
  • control data for the control of the door locking mechanism are processed directly by the microcontroller 235 and the discrete signals that drive the electric motor 33 are generated.
  • the operating part 40 contains an arrangement 41 of capacitive formwork surfaces. Another major component of the operating part 40
  • the control element is a microcontroller 44.
  • the microcontroller 44 is operated via a
  • Input protection 47 and a voltage supply 48 are supplied with voltage.
  • Power supply also includes a bus connection circuit that connects the control panel 40 to the LIN bus, which connects the control panel 40 to the door control unit 20. Also shown is a measuring unit 46 with which the ambient brightness is measured and which is used for automatic brightness tracking. On the output side, the microcontroller 44 is still connected to various illuminants. The illuminants are typically designed in the form of energy-saving LEDs.
  • the LED 43 is used for search lighting in the dark and is designed as a white LED.
  • the LED 42 is used for functional lighting and is colored (green, yellow).
  • Upstream of the respective LED 42, 43 is a PWM conversion unit 45, which serves to amplify the PWM signal that from the
  • Microcontroller 44 for adjusting the brightness of search lighting
  • control unit 40 The function of the control unit 40 in relation to the reaction is explained below
  • a microprocessor 44 processes a computer program, the mode of operation of which is shown in FIG. 7
  • This program is periodically called up by the microcontroller 44 in order to read in the measurement signals in a measurement interval. As usual, this is done by using an A / D converter per button.
  • the program is called in step 410 by interrupt, which is periodically triggered by a timer is generated. The timer can be part of the microcontroller 44.
  • program step 420 the measurement values are read in for the measurement signals generated by the buttons.
  • the measured values are evaluated in program step 430.
  • An image as in FIG. 2 or as in FIG. 3 in the presence of moisture can result. In this way, the evaluation determines which button was pressed regularly. This is saved in a register. If only a smeared signal was measured, as shown in FIG. 3, a corresponding entry is made in the register that no clear measurement signal was measured.
  • the register is then checked to determine whether an unambiguous measurement signal was recognized or not. If so, the corresponding desired function is performed in step 450. The function that is linked to the set register entry is then carried out. A confirmation tone is then generated and output in step 460. The confirmation tone is output via the loudspeakers 50, s. Figure 5. In the event that no clear measurement signal was recognized, the program branches in query 440 to program step 470. An error tone is generated and output therein. This tone informs the operator that the desired function is currently not available. The operator is therefore informed that he has not mistakenly operated, but that the control unit 40 is malfunctioning. The program then ends in program step 480 after one of the two steps 460, 470 has been carried out
  • Error tone can be output in the form of a distorted confirmation tone. But it can also be a different tone that has no direct relation to the
  • program step 460 the green LED 42 is illuminated for a certain period of time in order to acknowledge that a clear measurement signal has been recognized.
  • the yellow LED 42 is then flashed for a certain period of time in order to signal the operator that there is a malfunction in the control unit 40.
  • acoustic or visual feedback can be provided.
  • both the acoustic and the optical feedback can be provided.
  • the acoustic signal generator is part of the operating part 40.
  • the disclosure is not restricted to the exemplary embodiments described here. There is room for various adaptations and modifications that those skilled in the art would consider on the basis of their specialist knowledge as well as belonging to the disclosure.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Lock And Its Accessories (AREA)
  • Selective Calling Equipment (AREA)
  • Push-Button Switches (AREA)

Abstract

L'invention concerne un procédé de commande d'un appareil, selon lequel une face de commutation (49) d'une partie de commande (40) est actionnée pour la commande de l'appareil, l'actionnement de la face de commutation (49) étant détectée selon une technique de mesure par un microcontrôleur (44). Une étape d'évaluation des valeurs de mesure lues, de sorte qu'il est déterminé si le signal de mesure a une forme régulière ou une forme irrégulière pour l'actionnement de la face de commutation (49) se déroule ensuite. La fonction associée à la face de commutation (49) actionnée est appliquée s'il est déterminé que le signal de mesure a une forme régulière. Lors de la reconnaissance d'une forme régulière, un signal de confirmation acoustique, haptique ou optique est éventuellement émis, et lors de la reconnaissance d'une forme irrégulière, un signal de perturbation acoustique, haptique ou optique est émis.
EP19753326.8A 2018-08-17 2019-08-12 Procédé de commande d'un appareil, dispositif de mise en oeuvre du procédé, porte de véhicule et programme informatique Pending EP3837769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018213949.0A DE102018213949A1 (de) 2018-08-17 2018-08-17 Verfahren zur Bedienung eines Gerätes, Vorrichtung zur Durchführung des Verfahrens, Fahrzeugtür sowie Computerprogramm
PCT/EP2019/071526 WO2020035428A1 (fr) 2018-08-17 2019-08-12 Procédé de commande d'un appareil, dispositif de mise en œuvre du procédé, porte de véhicule et programme informatique

Publications (1)

Publication Number Publication Date
EP3837769A1 true EP3837769A1 (fr) 2021-06-23

Family

ID=67659851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19753326.8A Pending EP3837769A1 (fr) 2018-08-17 2019-08-12 Procédé de commande d'un appareil, dispositif de mise en oeuvre du procédé, porte de véhicule et programme informatique

Country Status (5)

Country Link
US (1) US11595043B2 (fr)
EP (1) EP3837769A1 (fr)
CN (1) CN112771782A (fr)
DE (1) DE102018213949A1 (fr)
WO (1) WO2020035428A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022101377U1 (de) 2022-03-15 2023-06-29 Bode - Die Tür Gmbh Türbedienungs- und informationselement, insbesondere für Fahrzeuge

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Also Published As

Publication number Publication date
DE102018213949A1 (de) 2020-02-20
US11595043B2 (en) 2023-02-28
WO2020035428A1 (fr) 2020-02-20
US20210305982A1 (en) 2021-09-30
CN112771782A (zh) 2021-05-07

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