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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
  • B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
  • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
  • B60K35/25—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using haptic output
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; 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
  • G06—COMPUTING OR CALCULATING; 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
  • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
  • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
  • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
  • G06F3/03547—Touch pads, in which fingers can move on a surface
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; 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
  • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
  • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
  • B60K2360/128—Axially displaceable input devices for instruments
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
  • B60K2360/141—Activation of instrument input devices by approaching fingers or pens
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
  • B60K35/80—Arrangements for controlling instruments
• • 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
  • H03K2217/96038—Inductive touch switches
• • 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

Definitions

• the invention relates to an operating device according to the preamble of patent claim 1.
• Such an operating device can be used, for example, as a touchpad, in particular in a motor vehicle.
• such an operating device may be arranged in the center console of a motor vehicle and used to control a screen in the motor vehicle.
• Such an operating device can also be used as part of a screen in the manner of a touchscreen.
• Such an operating device has a control surface for manual action by means of an element.
• the element may be the finger of a human hand so as to control a cursor on the screen by appropriate action of the user's finger on the operating surface, for example.
• the element may be a pen.
• a sensor cooperates with the operating surface in such a way that the sensor as the element approaches the operating surface and / or when the operating surface is touched by means of the element and / or at
• Pressure generated by means of the element on the control surface generates a signal.
• the signal then serves for switching and / or triggering a function in the manner of a switching signal.
• an actuator is in operative connection with the operating surface, such that the
• a tactile feel for the control surface can be generated by controlling the actuator, thereby providing the user with a tactile feedback when it acts on the control surface.
• the actuator is driven, for example, with a square wave signal or with a jump signal in the manner of an on-off switching only for exciting a vibration for the control surface, which swings freely after termination of the control according to their fixed spring-mass-damper system and decays , If desired, additional discrete mechanical, hydraulic o. The like. Vibration dampers can be used to dampen the Abkling s the vibration, which is on the one hand a little flexible and on the other hand increased costs.
• the invention is based on the object, the operating device such as
• the actuator is electrically driven.
• the actuator is operable by means of a PWM (Pulse Width Modulation) - Anêtsignais, such that the control surface is movable in a preselectable manner.
• the operating surface is thereby movable within a preselectable path and / or a preselectable time and / or a preselectable form.
• PWM Pulse Width Modulation
• the tactile feel for the operating surface desired by the user can be generated in a simple manner.
• the electrically driven actuator can be an electromagnet, an electric motor, a piezoelectric element or the like. If an electromagnet is used as an actuator, it may be appropriate to use a lifting magnet for this purpose use, whereby a particularly compact design of the operating device can be achieved.
• the actuator is, as already mentioned, for the corresponding movement of the control surface. If desired, the actuator can be used alternatively and / or in addition to delay the movement of the control surface. In this case, the actuator by means of the PWM drive signal for preselectable damping of the movement of the control surface operable. For example, this can be an undesirable in a simple manner
• Signal strength include.
• the parameters of the PWM control signal in particular its start frequency, end frequency, intensity curve, modulation waveform o. The like., Can be varied.
• at least two PWM drive signals in particular in the form of frequency-modulated
• Control signals be superimposed on each other. As a result, parts of the movement of the operating surface, such as the initial pulse, duration of oscillation, vibration damping o. The like., Strengthened and / or be mitigated.
• the actuator can be electrically connected by means of a switching transistor with a voltage source for operating the actuator.
• a control circuit such as a controller for driving the switching transistor may be provided by means of the PWM drive signal.
• the invention further provides a method for operating a, in particular suitable for a motor vehicle, operating device ready.
• the operating device has a control surface for manual action by means of an element, wherein in particular the element is the finger of a human hand, and one with the Control surface cooperating sensor, so that the sensor when approaching the element to the control surface and / or when touching the control surface by means of
• An electrically driven actuator is in operative connection with the operating surface, such that, by operation of the actuator, the operating surface is moved to produce a feel for the operating surface. In other words, a tactile feel for the control surface is generated by controlling the actuator.
• the actuator is operated according to the invention by means of a different from a jump signal in the manner of a switching on and / or off switching signal. In a preferred manner, this drive signal, which is different from a jump signal, is a
• PWM pulse width modulation
• PWM pulse width modulation
• the actuator can be operated by means of the PWM control signal in such a way that the operating surface is moved in a preselectably damped manner.
• An undesirable ringing of the control surface after its tactile feedback can be effectively prevented.
• the parameters for the PWM drive signal in particular its start frequency, end frequency, intensity curve, modulation signal form or the like, can be adjusted so that the preselected movement of the control surface is generated.
• at least two PWM drive signals in particular in the form of frequency-modulated
• Control signals are superimposed on each other.
• parts of the movement of the operating surface such as the initial pulse, duration of oscillation, vibration damping or the like, can be amplified and / or attenuated in a simple manner.
• the operating surface of an operating module corresponding, for example, to the function of a computer mouse pad has to be provided with an active haptic in order to convey various haptic events to the operator.
• the system with active haptic feedback is intended to provide the most impulse-faithful reproduction of the haptic feedback, which should come close to a mechanical switch, for example.
• the active haptic is controlled by an electrically driven actuator whose
• Deflection is electrically controlled, for example, in the specific case a solenoid generated. It is thus the control of an electrically driven actuator for
• One of the goals of the various haptic events is to give the operator tactile feedback.
• this feedback the user can be given the impression that he would operate mechanical controls, such as pressing a classic short-stroke key or turning a computer mouse wheel with click stops.
• control surface has to be moved in a specific way, within a certain time and / or a certain path.
• the challenge here is to accelerate the control surface as mechanical structurally specified assembly with its specific property as a spring-mass-damper system in a very short time and then bring it to a rest.
• the actuator is controlled with various PWM signals.
• the solution according to the invention consists in the special design of the PWM signals,
• the signal form of the actuator drive signal corresponds to a frequency modulation with decaying signal strength.
• Natural frequency oscillation tuned frequency modulated and / or damped harmonic oscillation can be achieved that the mass of the haptic system is greatly accelerated and / or then strongly attenuated. All parameters of the drive signal, in particular the start frequency, the end frequency, the intensity curve, the modulation waveform o. The like., Can be changed or varied to represent the desired motion of the control surface. For the optimal and / or desired interpretation of the haptic effect are thus in particular the following
• two and / or more of these frequency-modulated signals can be stored one above the other.
• PWM control via a switching transistor can be used.
• the frequency-modulated actuator drive signal according to the invention can act directly as an adjustable active vibration damper due to its frequency-modulated Anêtsignalform.
• the solution according to the invention is cost-effective, in particular because it can be realized by means of a purely electronic software solution.
• Fig. 1 shows an operating device comprising a control surface and an actuator, in
• FIG. 4b shows a time-distance diagram for the operating surface when controlling the actuator according to FIG. 4a
• an operating device 1 can be seen in the manner of a touchpad, which is used in particular for a motor vehicle.
• the operating device 1 has a housing 13, on whose manually accessible surface 14 a control surface 2 is located. The user can by manual action by means of an element 5 at the
• Control surface 2 operate the operating device 1 as intended.
• the element 5 may be the finger 5 of a human hand 6, so that the intended operation is made possible by means of a corresponding movement of the finger 5.
• the operating device 1 can be arranged in the center console of the motor vehicle and be provided for the operation of a navigation system, a screen or the like in the motor vehicle.
• the operating device 1 is by means of a
• Connector 15 for example, connected to a bus system in the vehicle.
• Voltage source 12 is electrically connected, as shown in Fig. 3 can be seen.
• a control circuit 17 is provided in the manner of a controller for controlling the switching transistor 16 by means of the P WM drive signal 18, so that a control signal 18 'corresponding to the PWM drive signal 18 is present at the actuator 9 or at the coil of the electromagnet 9 (FIG. see for example Fig. 5a) acts.
• the armature 10 and with it the operating surface 2 move corresponding to the PWM drive signal 18 or to the control signal 18 'caused by the PWM drive signal 18 (see, for example, FIG. 5b, where the resulting acceleration of the operating surface 2 is shown).
• the control surface 2 by means of the appropriately selected PWM An Kunststoffsignais 18 in
• a control signal 18 ' is shown, whose waveform is a
• Electromagnet 9 forms a low-pass filter, which smoothes the PWM signal 18, so that a corresponding DC component 22 is formed, wherein the DC component 22 again as
• PWM Pulse Width Modulation

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Human Computer Interaction (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• User Interface Of Digital Computer (AREA)
• Electronic Switches (AREA)
• Mechanical Control Devices (AREA)
• Position Input By Displaying (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=58672591

Family Applications (1)

Country Status (7)

Families Citing this family (4)

Citations (2)

Family Cites Families (9)

• 2017
  • 2017-05-02 DE DE102017004148.2A patent/DE102017004148A1/de not_active Withdrawn
  • 2017-05-05 WO PCT/EP2017/060734 patent/WO2017191299A1/de not_active Ceased
  • 2017-05-05 JP JP2018558295A patent/JP6966477B2/ja not_active Expired - Fee Related
  • 2017-05-05 CN CN201780028096.4A patent/CN109075784A/zh active Pending
  • 2017-05-05 EP EP17722014.2A patent/EP3453113A1/de not_active Withdrawn
  • 2017-05-05 KR KR1020187035107A patent/KR20190004331A/ko not_active Ceased
• 2018
  • 2018-11-05 US US16/180,343 patent/US20190138097A1/en not_active Abandoned

Patent Citations (2)

Non-Patent Citations (1)

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