WO2015165787A1 - System and method for the additional control of driver assistance systems in motor vehicles - Google Patents

System and method for the additional control of driver assistance systems in motor vehicles Download PDF

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Publication number
WO2015165787A1
WO2015165787A1 PCT/EP2015/058720 EP2015058720W WO2015165787A1 WO 2015165787 A1 WO2015165787 A1 WO 2015165787A1 EP 2015058720 W EP2015058720 W EP 2015058720W WO 2015165787 A1 WO2015165787 A1 WO 2015165787A1
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Prior art keywords
additional control
touch
driver assistance
evaluation unit
sensitive layer
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PCT/EP2015/058720
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German (de)
French (fr)
Inventor
Michael Strohmayr
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Deutsches Zentrum für Luft- und Raumfahrt e.V.
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Publication of WO2015165787A1 publication Critical patent/WO2015165787A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0062—Adapting control system settings
    • B60W2050/0075—Automatic parameter input, automatic initialising or calibrating means

Definitions

  • the invention relates to a system and a method for additional control of driver assistance systems in motor vehicles.
  • driver assistance systems include, for example, a cruise control, a distance assistant, a lane assistant and automatic or autonomous parking aids.
  • driver assistance systems that change the driving behavior of the motor vehicle is relatively low.
  • driver assistance systems such as distance control assistants and lane departure warning systems.
  • the object of the invention is to provide a system and a method for additional control of driver assistance systems in motor vehicles, by which the acceptance of driver assistance systems is improved.
  • the object is achieved by a system according to claim 1 and a method according to claim 4.
  • the system according to the invention for the additional control of driver assistance systems in motor vehicles has a touch-sensitive layer arranged on a steering wheel of the motor vehicle.
  • An evaluation unit is connected to the touch-sensitive layer.
  • the evaluation unit determines the contact forces and / or contact locations caused by a vehicle driver.
  • a control unit is connected to the evaluation unit.
  • the control unit generates an additional control signal as a function of the determined contact forces and / or touch locations.
  • the additional control signal is transmitted to at least one driver assistance system or a controller of at least one driver assistance system.
  • the evaluation unit detects that the motor vehicle driver is holding the steering wheel with both hands and the steering wheel is held in the middle on the left and right at a position adapted to the driving situation, for example. From this, the evaluation unit can deduce that the motor vehicle driver is very attentive. When using a system according to the invention, this then leads to the intervention of driver assistance systems being reduced. For example. The Lane Keeping Assist will only intervene at a later date. Also would be one Spacer assistant in this situation accept a smaller distance and only intervene at a later date. With the aid of the system according to the invention for additional control of driver assistance systems, it is thus possible to adapt driver assistance systems as a function of the attention or concentration of the driver of the vehicle. This considerably increases the acceptance of such driver assistance systems.
  • Detects the evaluation unit for example, that the steering wheel is taken only with individual fingers and / or that the grip of the steering wheel takes place at an unfavorable position, such as in the lower area, is transmitted via the additional control, a corresponding signal at least to a driver assistance system. This then intervenes accordingly early.
  • the evaluation unit determines a degree of attention of the driver of the motor vehicle as a function of the specific contact forces and / or contact locations. On the basis of the determined degree of attention, an additional control signal can then be generated and transmitted to at least one driver assistance system.
  • the corresponding control systems can be combined in a central controller.
  • the touch-sensitive layer covers a surface of the steering wheel over a large area.
  • the touch-sensitive layer is at least 80% of the steering wheel surface covered. It is particularly preferred that the surface is completely covered.
  • an additional consideration of the driving situation takes place.
  • This is, for example, the vehicle speed, the weather conditions and / or the type of road (highway, highway, etc.).
  • the corresponding driving situation is known to the control of the motor vehicle or can be determined in a simple manner.
  • the driving situation can then in turn have an influence on a change or adaptation of the degree of support by a driver assistance system.
  • the invention relates to a method for additional control of driver assistance systems in motor vehicles.
  • a touch-sensitive layer arranged on a steering wheel of a motor vehicle, which is connected to an evaluation device, determines the contact forces and / or contact locations caused by a vehicle driver.
  • an additional signal is then generated, which is transmitted to at least one driver assistance system.
  • the driver assistance system can change a degree of support depending on the additional control signal. If it is detected that the motor vehicle driver is currently particularly attentive and concentrated, the level of support of individual driver assistance systems can be reduced. As a result, the driver of the vehicle does not feel impaired or even patronized by the driver assistance systems.
  • an elastically deformable film element As a touch-sensitive layer, it is particularly preferred to produce these at least partially in particular completely from an elastically deformable film element, as described in DE 10 2010 034 719.
  • One Such film element has in particular two layers of elastically deformable material. Spacers are provided between the two layers of a curable polymer material. In the cured state of the spacers, the two elastically deformable layers at a defined distance from each other. Furthermore, the spacers are also elastically deformable.
  • a degree of attention of the vehicle driver is determined by the evaluation unit according to the invention as a function of the determined contact forces and / or contact locations.
  • the assistance level then changes.

Abstract

In order to increase the acceptance of driver assistance systems, the invention proposes a system and a method for the additional control of driver assistance systems in motor vehicles. The system comprises a touch-sensitive layer arranged on a steering wheel. An evaluation unit is connected to the touch-sensitive layer. Touch forces and/or touch spots caused by a vehicle driver are determined by said evaluation unit. A control unit connected to the evaluation unit generates an additional control signal as a function of the determined touch forces and/or touch spots. Said additional control signal is transmitted to at least one driver assistance system. As a function of the additional control signal, which represents a certain level of attention of a motor vehicle driver, a level of assistance of a driver assistance system can be changed.

Description

Unser Zeichen : 150273WO KB/rp  Our sign: 150273WO KB / rp
21.04.2015  04/21/2015
System und Verfahren zur Zusatzsteuerunq von System and method for additional control of
Fahrassistenzsvstemen in Kraftfahrzeugen  Driver assistance systems in motor vehicles
Die Erfindung betrifft ein System und ein Verfahren zur Zusatzsteuerung von Fahrassistenzsystemen in Kraftfahrzeugen. The invention relates to a system and a method for additional control of driver assistance systems in motor vehicles.
In modernen Kraftfahrzeugen ist eine Vielzahl von Fahrassistenzsystemen eingesetzt. Hierbei handelt es sich bspw. um einen Tempomat, einen Abstands- halterassistenten, einen Spurhalterassistenten sowie automatische bzw. autonome Einparkhilfen. In modern motor vehicles, a variety of driver assistance systems is used. These include, for example, a cruise control, a distance assistant, a lane assistant and automatic or autonomous parking aids.
Des Weiteren ist es bekannt, die Aufmerksamkeit des Fahrers zu überwachen, insbesondere den sogenannten Sekundenschlaf zu detektieren und den Fahrzeuglenker entsprechend zu warnen. Derartige Systeme werten Kamerabilder des Gesichts oder Kamerabilder der Augenbewegung aus. Derartige Systeme weisen allerdings den Nachteil auf, dass eine entsprechende Auswertung durch Abschattung, wie durch Sonnenbrillen und auch durch perspektivische Verzerrungen aufgrund von Kopfbewegungen des Fahrzeuglenkers stark beeinträchtigt ist. Dies hat zur Folge, dass dieses Fahrassistenzsystem, das insbesondere den Sekundenschlaf verhindern soll, bisher wenig Verbreitung gefunden hat. Furthermore, it is known to monitor the driver's attention, in particular to detect the so-called microsleep and to warn the driver accordingly. Such systems evaluate camera images of the face or camera images of eye movement. However, such systems have the disadvantage that a corresponding evaluation by shading, such as by sunglasses and also by perspective distortions due to head movements of the driver is severely impaired. This has the consequence that this driver assistance system, which is intended in particular to prevent microsleep, has hitherto found little use.
Des Weiteren ist die Akzeptanz von Fahrassistenzsystemen, die das Fahrverhalten des Kraftfahrzeugs ändern relativ gering. Insbesondere handelt es sich hierbei um Fahrassistenzsysteme wie Abstandshalteassistenten und Spurhalteassistenten. Furthermore, the acceptance of driver assistance systems that change the driving behavior of the motor vehicle is relatively low. In particular, it is this includes driver assistance systems such as distance control assistants and lane departure warning systems.
Aufgabe der Erfindung ist es ein System sowie ein Verfahren zur Zusatzsteuerung von Fahrassistenzsystemen in Kraftfahrzeugen zu schaffen, durch das die Akzeptanz von Fahrassistenzsystemen verbessert wird . The object of the invention is to provide a system and a method for additional control of driver assistance systems in motor vehicles, by which the acceptance of driver assistance systems is improved.
Die Lösung der Aufgabe erfolgt durch ein System gemäß Anspruch 1 bzw. ein Verfahren gemäß Anspruch 4. The object is achieved by a system according to claim 1 and a method according to claim 4.
Das erfindungsgemäße System zur Zusatzsteuerung von Fahrassistenzsystemen in Kraftfahrzeugen weist eine an einem Lenkrad des Kraftfahrzeugs angeordnete berührungsempfindliche Schicht auf. Mit der berührungsempfindlichen Schicht ist eine Auswerteeinheit verbunden. Durch die Auswerteeinheit erfolgt ein Bestimmen der durch einen Fahrzeuglenker verursachten Berührungskräfte und/oder Berührungsorte. Mit der Auswerteeinheit ist eine Steuereinheit verbunden. Die Steuereinheit erzeugt in Abhängigkeit der bestimmten Berührungskräfte und/oder Berührungsorte ein Zusatzsteuersignal. Das Zusatzsteuersignal wird an zumindest ein Fahrassistenzsystem bzw. eine Steuerung zumindest eines Fahrassistenzsystems übermittelt. The system according to the invention for the additional control of driver assistance systems in motor vehicles has a touch-sensitive layer arranged on a steering wheel of the motor vehicle. An evaluation unit is connected to the touch-sensitive layer. The evaluation unit determines the contact forces and / or contact locations caused by a vehicle driver. A control unit is connected to the evaluation unit. The control unit generates an additional control signal as a function of the determined contact forces and / or touch locations. The additional control signal is transmitted to at least one driver assistance system or a controller of at least one driver assistance system.
Bspw. fühlt sich ein voll konzentrierter Kraftfahrzeuglenker beim Befahren einer Landstraße oder Passstraße durch einen übermäßigen Eingriff durch ein Fahrassistenzsystem in die Fahrdynamik in seiner Fahrfreude beeinträchtigt. Mit Hilfe des erfindungsgemäßen Systems ist es bspw. in diesem Fall möglich, dass die Auswerteeinheit detektiert, dass der Kraftfahrzeuglenker das Lenkrad mit beiden Händen festhält und das Lenkrad an einer der Fahrsituation ange- passten Stelle bspw. links und rechts in der Mitte gehalten wird . Hieraus kann die Auswerteeinheit ableiten, dass der Kraftfahrzeuglenker sehr aufmerksam ist. Dies führt beim Einsatz eines erfindungsgemäßen Systems sodann dazu, dass das Eingreifen von Fahrassistenzsystemen reduziert wird . Bspw. greift der Spurhalteassistent erst zu einem späteren Zeitpunkt ein. Auch würde ein Abstandhalterassistent in dieser Situation einen geringeren Abstand akzeptieren und erst zu einem späteren Zeitpunkt eingreifen. Mit Hilfe des erfindungsgemäßen Systems zur Zusatzsteuerung von Fahrassistenzsystemen ist es somit möglich, in Abhängigkeit der Aufmerksamkeit bzw. Konzentration des Fahrzeuglenkers Fahrassistenzsysteme anzupassen. Dies erhöht die Akzeptanz derartiger Fahrassistenzsysteme erheblich. For example. feels a fully concentrated driver of the vehicle when driving on a country road or pass road through excessive intervention by a driver assistance system in the driving dynamics impaired in his driving pleasure. With the aid of the system according to the invention, it is possible, for example, for the evaluation unit to detect that the motor vehicle driver is holding the steering wheel with both hands and the steering wheel is held in the middle on the left and right at a position adapted to the driving situation, for example. From this, the evaluation unit can deduce that the motor vehicle driver is very attentive. When using a system according to the invention, this then leads to the intervention of driver assistance systems being reduced. For example. The Lane Keeping Assist will only intervene at a later date. Also would be one Spacer assistant in this situation accept a smaller distance and only intervene at a later date. With the aid of the system according to the invention for additional control of driver assistance systems, it is thus possible to adapt driver assistance systems as a function of the attention or concentration of the driver of the vehicle. This considerably increases the acceptance of such driver assistance systems.
Detektiert die Auswerteeinheit bspw. dass das Lenkrad nur mit einzelnen Fingern gefasst wird und/oder dass das Fassen des Lenkrads an einer ungünstigen Stelle wie bspw. im unteren Bereich erfolgt, wird über die Zusatzsteuerung ein entsprechendes Signal zumindest an ein Fahrassistenzsystem übermittelt. Dieses greift sodann entsprechend frühzeitig ein. Detects the evaluation unit, for example, that the steering wheel is taken only with individual fingers and / or that the grip of the steering wheel takes place at an unfavorable position, such as in the lower area, is transmitted via the additional control, a corresponding signal at least to a driver assistance system. This then intervenes accordingly early.
Des Weiteren ist es bspw. möglich mit Hilfe des erfindungsgemäßen Systems zu detektieren, dass das Lenkrad nur vom Oberschenkel gehalten wird, weil der Fahrzeuglenker sich bspw. mit beiden Händen eine Zigarette anzündet. In einer derartigen Situation würde ein entsprechendes Fahrassistenzsystem wiederum frühzeitige eingreifen. Ggf. könnte zusätzlich ein Warnsignal, das den Fahrer um Angreifen des Lenkrads auffordert ausgegeben werden. Furthermore, it is, for example, possible to detect with the aid of the system according to the invention that the steering wheel is held only by the thigh, because the vehicle driver, for example, lights a cigarette with both hands. In such a situation, a corresponding driver assistance system would in turn intervene early. Possibly. In addition, a warning signal that prompts the driver to attack the steering wheel could be issued.
Besonders bevorzugt ist es, dass die Auswerteeinheit in Abhängigkeit der bestimmten Berührungskräfte und/oder Berührungsorte einen Aufmerksamkeitsgrad des Kraftfahrzeuglenkers bestimmt. Anhand des ermittelten Aufmerksamkeitsgrades kann sodann ein Zusatzsteuersignal erzeugt und an mindestens ein Fahrassistenzsystem übermittelt werden. Selbstverständlich können die entsprechenden Steuersysteme in einer zentralen Steuerung zusammen- gefasst sein. It is particularly preferred that the evaluation unit determines a degree of attention of the driver of the motor vehicle as a function of the specific contact forces and / or contact locations. On the basis of the determined degree of attention, an additional control signal can then be generated and transmitted to at least one driver assistance system. Of course, the corresponding control systems can be combined in a central controller.
Um Berührungskräfte und Berührungsorte möglichst genau detektieren zu können ist es besonders bevorzugt, dass die berührungsempfindliche Schicht eine Oberfläche des Lenkrads großflächig überdeckt. Insbesondere sind durch die berührungsempfindliche Schicht mindestens 80% der Lenkradoberfläche überdeckt. Besonders bevorzugt ist, dass die Oberfläche vollständig überdeckt ist. Hierdurch ist es ferner möglich, neben Absolutwerten von Berührungskräften auch Druckverteilungen festzustellen. Es ist somit auch möglich festzustellen, ob das Lenklenkrad von einer Hand vollständig umfasst wird . To be able to detect contact forces and touch locations as accurately as possible, it is particularly preferred that the touch-sensitive layer covers a surface of the steering wheel over a large area. In particular, the touch-sensitive layer is at least 80% of the steering wheel surface covered. It is particularly preferred that the surface is completely covered. As a result, it is also possible to determine pressure distributions in addition to absolute values of contact forces. It is thus also possible to determine whether the steering wheel is completely covered by one hand.
Bei einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen Systems erfolgt zusätzlich ein Berücksichtigen der Fahrsituation. Hierbei handelt es sich bspw. um die Fahrzeuggeschwindigkeit, die Witterungsverhältnisse und/oder die Fahrbahnart (Landstraße, Autobahn etc.). Die entsprechende Fahrsituation ist der Steuerung des Kraftfahrzeugs bekannt bzw. kann auf einfache Weise bestimmt werden. Die Fahrsituation kann sodann wiederum Ein- fluss auf eine Veränderung bzw. Anpassung des Unterstützungsgrades durch ein Fahrassistenzsystem haben. In a further preferred embodiment of the system according to the invention, an additional consideration of the driving situation takes place. This is, for example, the vehicle speed, the weather conditions and / or the type of road (highway, highway, etc.). The corresponding driving situation is known to the control of the motor vehicle or can be determined in a simple manner. The driving situation can then in turn have an influence on a change or adaptation of the degree of support by a driver assistance system.
Ferner betrifft die Erfindung ein Verfahren zur Zusatzsteuerung von Fahrassistenzsystemen in Kraftfahrzeugen. Wie insbesondere bereits vorstehend anhand des erfindungsgemäßen Systems beschrieben, erfolgt mittels einer an einem Lenkrad eines Kraftfahrzeugs angeordneten berührungsempfindlichen Schicht, die mit einer Auswerteeinrichtung verbunden ist, ein Bestimmen der durch einen Fahrzeuglenker verursachten Berührungskräfte und/oder Berührungsorte. In Abhängigkeit der bestimmten Berührungskräfte und Berührungsorte wird sodann ein Zusatzsignal erzeugt, das an zumindest ein Fahrassistenzsystem übermittelt wird . Das Fahrassistenzsystem kann in Abhängigkeit des Zusatzsteuersignales einen Unterstützungsgrad verändern. Wird detek- tiert, dass der Kraftfahrzeuglenker derzeit besonders aufmerksam und konzentriert ist, so kann der Unterstützungsgrad einzelner Fahrassistenzsysteme reduziert werden. Dies führt dazu, dass sich der Kraftfahrzeuglenker nicht durch die Fahrassistenzsysteme beeinträchtigt oder gar bevormundet fühlt. Furthermore, the invention relates to a method for additional control of driver assistance systems in motor vehicles. As already described above with reference to the system according to the invention, a touch-sensitive layer arranged on a steering wheel of a motor vehicle, which is connected to an evaluation device, determines the contact forces and / or contact locations caused by a vehicle driver. Depending on the specific contact forces and touch locations, an additional signal is then generated, which is transmitted to at least one driver assistance system. The driver assistance system can change a degree of support depending on the additional control signal. If it is detected that the motor vehicle driver is currently particularly attentive and concentrated, the level of support of individual driver assistance systems can be reduced. As a result, the driver of the vehicle does not feel impaired or even patronized by the driver assistance systems.
Als berührungsempfindliche Schicht ist es besonders bevorzugt, diese zumindest teilweise insbesondere vollständig aus einem elastisch verformbaren Folienelement, wie es in DE 10 2010 034 719 beschrieben ist, herzustellen. Ein derartiges Folienelement weist insbesondere zwei Schichten aus elastisch verformbarem Material auf. Zwischen den beiden Schichten sind aus einem aushärtbaren Polymermaterial Abstandshalter vorgesehen. In ausgehärtetem Zustand der Abstandshalter weisen die beiden elastisch verformbaren Schichten einen definierten Abstand zueinander auf. Ferner sind die Abstandshalter ebenfalls elastisch verformbar. As a touch-sensitive layer, it is particularly preferred to produce these at least partially in particular completely from an elastically deformable film element, as described in DE 10 2010 034 719. One Such film element has in particular two layers of elastically deformable material. Spacers are provided between the two layers of a curable polymer material. In the cured state of the spacers, the two elastically deformable layers at a defined distance from each other. Furthermore, the spacers are also elastically deformable.
Besonders bevorzugt ist es, dass durch das erfindungsgemäße Verfahren von der Auswerteeinheit ein Aufmerksamkeitsgrad des Fahrzeuglenkers in Abhängigkeit der bestimmten Berührungskräfte und/oder Berührungsorte ermittelt wird. In Abhängigkeit des Berührungsgrades der als Zusatzsteuersignal an das zumindest eine Fahrassistenzsystem bzw. eine Steuerung eines Fahrassistenzsystems übermittelt wird erfolgt sodann ein Verändern des Unterstützungsgrades. It is particularly preferred that a degree of attention of the vehicle driver is determined by the evaluation unit according to the invention as a function of the determined contact forces and / or contact locations. Depending on the degree of contact, which is transmitted as an additional control signal to the at least one driver assistance system or a control of a driver assistance system, the assistance level then changes.
Des Weiteren ist es bevorzugt zusätzlich die Fahrsituation zu erfassen und dies bei der Änderung des Unterstützungsgrades zu berücksichtigen. Furthermore, it is preferable to additionally detect the driving situation and to take this into account when changing the degree of assistance.
Das vorstehend beschriebene System sowie das Verfahren zur Zusatzsteuerung von Fahrassistenzsystemen in Kraftfahrzeugen ist ferner auch für Schiffe, Flugzeuge udgl. geeignet. The system described above and the method for additional control of driver assistance systems in motor vehicles is also for ships, aircraft udgl. suitable.

Claims

Patentansprüche Patent claims
System zur Zusatzsteuerung von Fahrassistenzsystemen in Kraftfahrzeugen, mit einer an einem Lenkrad angeordneten berührungsempfindlichen Schicht, einer mit der berührungsempfindlichen Schicht verbundenen Auswerteeinheit zur Bestimmung von durch einen Fahrzeuglenker verursachten Berührungskräften oder Berührungsorten und einer mit der Auswerteeinheit verbundenen Steuereinheit zur Erzeugung von an ein Fahrassistenzsystem zu übermittelnden Zusatzsteuersignalen in Abhängigkeit der bestimmten Berührungskräfte und/oder Berührungsorte. System for additional control of driving assistance systems in motor vehicles, with a touch-sensitive layer arranged on a steering wheel, an evaluation unit connected to the touch-sensitive layer for determining contact forces or contact locations caused by a vehicle driver and a control unit connected to the evaluation unit for generating additional control signals to be transmitted to a driving assistance system depending on the specific contact forces and/or contact locations.
System nach Anspruch 1, dadurch gekennzeichnet, dass die Auswerteeinheit einen Aufmerksamkeitsgrad des Fahrzeuglenkers ermittelt, der vorzugsweise als Zusatzsteuersignal an das zumindest eine Fahrassistenzsystem übermittelt wird . System according to claim 1, characterized in that the evaluation unit determines a level of attention of the vehicle driver, which is preferably transmitted as an additional control signal to the at least one driving assistance system.
System nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die berührungsempfindliche Schicht die Oberfläche des Lenkrades großflächig, insbesondere vollständig überdeckt. System according to claim 1 or 2, characterized in that the touch-sensitive layer covers the surface of the steering wheel over a large area, in particular completely.
Verfahren zur Zusatzsteuerung von einem Fahrassistenzsystem in Kraftfahrzeugen, bei welchem mittels einer an einem Lenkrad eines Kraftfahrzeugs angeordneten berührungsempfindlichen Schicht und einer mit der berührungsempfindlichen Schicht verbundenen Auswerteeinheit durch einen Fahrzeuglenker verursachte Berührungskräfte und/oder Berührungsorte bestimmt werden und in Abhängigkeit der bestimmten Berührungskräfte und/oder Berührungsorte ein Zusatzsteuersignal an mindestens ein Fahrassistenzsystem übermittelt wird . Method for additional control of a driving assistance system in motor vehicles, in which a vehicle driver uses a touch-sensitive layer arranged on a steering wheel of a motor vehicle and an evaluation unit connected to the touch-sensitive layer caused contact forces and/or contact locations are determined and, depending on the specific contact forces and/or contact locations, an additional control signal is transmitted to at least one driving assistance system.
5. Verfahren nach Anspruch 4, bei welchem das Fahrassistenzsystem in Abhängigkeit des übermittelten Zusatzsignals einen Unterstützungsgrad ändert. 5. The method according to claim 4, in which the driving assistance system changes a level of support depending on the additional signal transmitted.
6. Verfahren nach Anspruch 4 oder 5, bei welchem insbesondere von der Auswerteeinheit ein Aufmerksamkeitsgrad des Fahrzeuglenkers ermittelt wird, der vorzugsweise als Zusatzsteuersignal an das zumindest eine Fahrassistenzsystem übermittelt wird. 6. The method according to claim 4 or 5, in which in particular the evaluation unit determines a level of attention of the vehicle driver, which is preferably transmitted as an additional control signal to the at least one driving assistance system.
7. Verfahren nach Anspruch 5 oder 6, bei welchem zusätzlich die Fahrsituation erfasst und bei der Änderung des Unterstützungsgrades berücksichtigt wird . 7. The method according to claim 5 or 6, in which the driving situation is additionally recorded and taken into account when changing the level of support.
PCT/EP2015/058720 2014-04-28 2015-04-22 System and method for the additional control of driver assistance systems in motor vehicles WO2015165787A1 (en)

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