DE4112738C2 - Device and method for controlling and / or regulating motor vehicle systems - Google Patents

Device and method for controlling and / or regulating motor vehicle systems

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Publication number
DE4112738C2
DE4112738C2 DE19914112738 DE4112738A DE4112738C2 DE 4112738 C2 DE4112738 C2 DE 4112738C2 DE 19914112738 DE19914112738 DE 19914112738 DE 4112738 A DE4112738 A DE 4112738A DE 4112738 C2 DE4112738 C2 DE 4112738C2
Authority
DE
Germany
Prior art keywords
motor vehicle
tire
data carrier
tires
data
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.)
Revoked
Application number
DE19914112738
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German (de)
Other versions
DE4112738A1 (en
Inventor
Christian Dietrich
Manfred Ellmann
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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Publication date
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Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DE19914112738 priority Critical patent/DE4112738C2/en
Publication of DE4112738A1 publication Critical patent/DE4112738A1/en
Application granted granted Critical
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Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • 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
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle 
    • B60K28/16—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle  responsive to, or preventing, skidding of wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • B60T8/1725—Using tyre sensors, e.g. Sidewall Torsion sensors [SWT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/175—Brake regulation specially adapted to prevent excessive wheel spin during vehicle acceleration, e.g. for traction control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B60G2204/113—Tyre related sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2240/00—Monitoring, detecting wheel/tire behaviour; counteracting thereof
    • B60T2240/03—Tire sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2240/00—Monitoring, detecting wheel/tire behaviour; counteracting thereof
    • B60T2240/08—Spare wheel detection; Adjusting brake control in case of spare wheel use
    • 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
    • B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
    • B60W2530/20—Tyre data

Description

Die Erfindung bezieht sich auf eine Vorrichtung und ein Verfahren nach dem Oberbegriff der Patentansprüche 1-3.The invention relates to an apparatus and a method according to the preamble of Claims 1-3.

In der Kraftfahrzeugtechnik werden verschiedene Systeme eingesetzt, die Fahrzeugkomponenten regeln oder steuern und Fahrzeugdaten überwachen und/oder zur Anzeige bringen. Im folgenden werden einige dieser Systeme aufgeführt, die von den Eigenschaften der Kraftfahrzeugreifen beeinflußt wer­ den.Various systems are used in automotive engineering Regulate or control vehicle components and monitor vehicle data and / or display it. The following are some of these systems listed who are influenced by the properties of motor vehicle tires the.

Beispielsweise wird zur Antriebsschlupfregelung (ASC, ABS u. a.) eine Kenn­ linie verwendet, die den Schlupf abhängig vom Drehmoment der Kraftfahrzeu­ gräder darstellt. Diese Kennlinie ist vom Material, dem Profil, dem Reibwert und der Dimension (bestimmt durch die Breite, das Querschnittsverhältnis und den Felgendurchmesser) der Kraftfahrzeugreifen abhängig. Bisher konnte ein Antriebsschlupfregelsystem jeweils nur für einen bestimmten Kraftfahrzeugreifentyp optimal abgestimmt werden. Wird ein Kraftfahrzeugreifen mit anderen Eigenschaften als der für die optimale Antriebsschlupfregelung vorgesehene für das System verwendet, sind bei einer Antriebsschlupfregelung Kompromisse einzugehen.For example, a code is used for traction control (ASC, ABS, etc.) line used, the slip depending on the torque of the motor vehicle degrees. This characteristic is of the material, the profile, the coefficient of friction and the dimension (determined by the width, the cross-sectional ratio and the rim diameter) of the motor vehicle tires. So far a traction control system only for a specific one Vehicle tire type can be optimally matched. Becomes a Motor vehicle tires with properties other than that for the optimal Antiskid control intended for the system are used at to compromise a traction control system.

Darüber hinaus sind beispielsweise alle Systeme in Kraftfahrzeugen, die zur Steuerung oder Regelung die Fahrzeuggeschwindigkeit auswerten, indirekt von den Eigenschaften der Kraftfahrzeugreifen abhängig. Die Fahrzeugge­ schwindigkeit wird häufig aus der Drehzahl des Hinterachsantriebs und dem Abrollumfang der Kraftfahrzeugreifen berechnet. Der Abrollumfang wird indi­ rekt durch die Messung der Umdrehungen des Reifens innerhalb einer vor­ gegebenen Fahrstrecke bei einer definierten Geschwindigkeit bestimmt und hängt wiederum vom Material, dem Profil, dem Reibwert und der Dimension der Kraftfahrzeugreifen ab. Damit ist eine Geschwindigkeitsberechnung mit hoher Genauigkeit nur für einen bestimmten Kraftfahrzeugreifentyp möglich.In addition, for example, all systems in motor vehicles that are used for Control or regulation evaluate the vehicle speed, indirectly depending on the properties of the motor vehicle tires. The vehicle area Speed is often based on the speed of the rear axle drive and the Rolling circumference of the motor vehicle tires is calculated. The rolling circumference becomes indi works by measuring the revolutions of the tire within one determined given route at a defined speed and  depends on the material, the profile, the coefficient of friction and the dimension the motor vehicle tires. This is a speed calculation with high accuracy only possible for a certain type of motor vehicle tire.

Ein weiteres Beispiel für ein von den Eigenschaften der Kraftfahrzeugreifen abhängiges System stellt die Feder- und Dämpferregelung an aktiven Radauf­ hängungssystemen dar. Die Kraftfahrzeugreifen beeinflussen durch ihr eigenes Federungs- und Dämpfungsverhalten diese Feder und Dämpferregelung. Auch hier beeinflußt ein Kraftfahrzeugreifen mit anderen Eigenschaften als der für die optimale Feder und Dämpferregelung vorgesehene das System negativ. Another example of one of the properties of automotive tires dependent system provides the spring and damper control on active wheel arches suspension systems. The motor vehicle tires influence by their own Suspension and damping behavior of this spring and damper control. Also here affects an automobile tire with properties other than that for the optimal spring and damper control provided the system negative.  

Weiterhin geht aus der DE 36 37 405 C1 ein Verfahren zur Steuerung von Kraftfahr­ zeugsystemen hervor, die von den Eigenschaften der Kraftfahrzeugreifen abhän­ gen. Hierbei werden Daten mittels eines Übertragungssystems an elektronische Steuergeräte weitergegeben und zur Regelung der Kraftfahrzeugsysteme ausge­ wertet.Furthermore, DE 36 37 405 C1 describes a method for controlling motor vehicles systems that depend on the properties of motor vehicle tires Here, data is transferred to electronic data using a transmission system Control devices passed on and used to regulate the motor vehicle systems evaluates.

Schließlich geht aus der DE 39 33 434 A1 ein Datenträger hervor, der an einem Kraftfahrzeugreifen vorgesehen ist. Ferner ist eine Auswerteschaltung und ein Messwertaufnehmer im Kraftfahrzeug vorhanden, durch den Daten drahtlos abruf­ bar sind.Finally, DE 39 33 434 A1 shows a data carrier that is attached to one Motor vehicle tires is provided. Furthermore, an evaluation circuit and a Sensor in the motor vehicle, through which data can be called up wirelessly are cash.

Es ist daher Aufgabe der Erfindung, auch bei einem Wechsel des Kraftfahr­ zeugreifentyps die optimalen Funktionen der Systeme zur Steuerung, Rege­ lung, Überwachung oder Anzeige in Kraftfahrzeugen zu gewährleisten, die von den Eigenschaften der Kraftfahrzeugreifen direkt oder indirekt beeinflußt wer­ den.It is therefore an object of the invention, even when changing the motor vehicle tire type the optimal functions of the systems for control, rain ensuring, monitoring or display in motor vehicles by who directly or indirectly influences the properties of motor vehicle tires the.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale der Pa­ tentansprüche 1-3 gelöst.This object is achieved by the features of Pa Claims 1-3 resolved.

Die hier erläuterten Systeme in Kraftfahrzeugen sind mit elektronischen Steuergeräten versehen. Jedes dieser Steuergeräte übt seine Funktion(en) abhängig von verschiedenen Informationen über das Kraftfahrzeug aus. Diese Informationen erhalten die Steuergeräte von analogen oder digitalen Signalen, die beispielsweise von Sensoren oder anderen Steuergeräten übermittelt wer­ den.The systems described here in motor vehicles are electronic Control units. Each of these control units performs its function (s) depending on various information about the motor vehicle. This The control units receive information from analog or digital signals, which is transmitted, for example, by sensors or other control devices the.

Erfindungsgemäß erhalten diese Steuergeräte ein weiteres Signal (weitere Signale), das alle über den jeweiligen Kraftfahrzeugreifen zur Verfügung ge­ stellten Informationen beinhaltet. Abhängig von den Anforderungen an den Aufwand und die Kosten bei der Herstellung des Kraftfahrzeugs werden die Informationen nur eines oder im Extremfall aller vier Kraftfahrzeugreifen von den Steuergeräten erfaßt und ausgewertet. According to the invention, these control units receive a further signal (further Signals), all of which are available via the respective motor vehicle tires provided information. Depending on the requirements of the Effort and costs in the manufacture of the motor vehicle are the Information from only one or, in extreme cases, all four motor vehicle tires from the control units recorded and evaluated.  

Mit diesem erfindungsgemäßen Verfahren können die relevanten Kraftfahrz­ zeugsysteme nicht nur unabhängig von den verwendeten Kraftfahrzeugreifen optimal gesteuert oder geregelt, sondern auch durch zusätzliche reifenbezo­ gene Funktionen erweitert werden.With this method according to the invention, the relevant motor vehicles witness systems not only independent of the motor vehicle tires used optimally controlled or regulated, but also by additional tire cover functions can be expanded.

Die Informationen über die Eigenschaften des Kraftfahrzeugsreifens sind mit­ tels eines Datenträgers in oder an diesem Kraftfahrzeugreifen selbst vorgesehen. Der Datenträger wird bereits beim Hersteller des Kraftfahrzeug­ reifens in den Kraftfahrzeugreifen integriert. Der Datenträger ist derart ausge­ staltet, daß bei der Montage des Kraftfahrzeugreifens keine mechanische oder galvanische Verbindung zu anderen Teilen des Kraftfahrzeugs hergestellt wer­ den muß. Die Information des Datenträgers wird mittels eines dem Typ des Datenträgers angepaßten Sensorsystems, z. B. eines optischen oder elektro­ magnetischen Sensorsystems, von den Steuergeräten erfaßt.The information about the properties of the motor vehicle tire is included means of a data carrier in or on this motor vehicle tire itself intended. The data carrier is already at the manufacturer of the motor vehicle tire integrated into the motor vehicle tires. The disk is this way stalten that when mounting the motor vehicle tire no mechanical or galvanic connection to other parts of the motor vehicle who made that must. The information on the data carrier is determined by means of a type of Data carrier adapted sensor system, for. B. an optical or electro magnetic sensor system, detected by the control units.

Dieses stellt eine vorteilhafte Art und Weise dar, die Informationen über die Eigenschaften der Kraftfahrzeugreifen den Steuergeräten zur Verfügung zu stellen.This represents an advantageous way represents the information about the properties of motor vehicle tires To provide control units.

Die einzige Figur zeigt eine erfindungsgemäße Anordnung zur Übertragung der Information eines Kraftfahrzeugreifens an ein Steuergerät des Kraftfahr­ zeugs.The single figure shows an arrangement for transmission according to the invention the information of a motor vehicle tire to a control device of the motor vehicle stuff.

In der Figur ist in aufgeschnittener Darstellung ein Kraftfahrzeugrad 1 mit einem Reifen (Kraftfahrzeugreifen) 2 gezeigt. Am Reifen 2 ist ein Datenträger 3 vorgesehen, der z. B. durch Einvulkanisierung im Reifen 2 integriert ist. Ein Sensorsystem 5 ist gegenüber dem Datenträger 3 derart angeordnet, daß diese Anordnung die Bedingungen erfüllt, die durch die Anpassung des Sensorsystems an den Typ des Datenträgers 3 vorgegeben sind. Das Sensor­ system 5 steht mit dem Datenträger 3 weder mechanisch, noch galvanisch in Kontakt. Das Sensorsystem 5 ist über eine Signalleitung mit einem Steuergerät 4 verbunden. Das Steuergerät 4 ist darüber hinaus über drei weitere Signallei­ tungen an die Sensorsysteme 6, 7 und 8 der übrigen drei, hier nicht darge­ stellten Kraftfahrzeugreifen angeschlossen.In the figure, a motor vehicle wheel 1 with a tire (motor vehicle tire) 2 is shown in a cut view. On the tire 2 , a data carrier 3 is provided which, for. B. is integrated by vulcanization in the tire 2 . A sensor system 5 is arranged opposite the data carrier 3 in such a way that this arrangement fulfills the conditions which are predetermined by the adaptation of the sensor system to the type of the data carrier 3 . The sensor system 5 is neither mechanically nor galvanically in contact with the data carrier 3 . The sensor system 5 is connected to a control unit 4 via a signal line. The control unit 4 is also connected via three further signal lines to the sensor systems 6 , 7 and 8 of the remaining three, not shown Darge motor vehicle tires.

Das Sensorsystem 5 (6, 7 und/oder 8) entnimmt die Information dem Daten­ träger 3 und gibt sie an das Steuergerät 4 weiter. Die Kommunikation zwi­ schen dem Datenträger 3 und dem Sensorsystem 5 (6, 7 und/oder 8) erfolgt vorteilhafter Weise elektromagnetisch.The sensor system 5 ( 6 , 7 and / or 8 ) takes the information from the data carrier 3 and forwards it to the control unit 4 . The communication between the data carrier 3 and the sensor system 5 ( 6 , 7 and / or 8 ) is advantageously carried out electromagnetically.

Der Datenträger 3 kann beispielsweise ein integriertes elektronisches Bauteil sein, das vom Sensorsystem 5 (6, 7 und/oder 8) zur Aussendung seiner In­ formation über elektromagnetische Wellen aktiviert wird.The data carrier 3 can be an integrated electronic component, for example, which is activated by the sensor system 5 ( 6 , 7 and / or 8 ) to transmit its information about electromagnetic waves.

Der Datenträger 3 kann auch aus einem Eisenstreifen mit einer Folge von Luftspalten bestehen, wobei die Information durch induktive Kopplung vom Sensorsystem 5 (6, 7 und/oder 8) aufgenommen werden kann.The data carrier 3 can also consist of an iron strip with a sequence of air gaps, the information being able to be recorded by the sensor system 5 ( 6 , 7 and / or 8 ) by inductive coupling.

Der Datenträger 3 enthält beispielsweise Informationen über den Hersteller, das Material, das Profil, die Dimension (die Breite, das Querschnittsverhältnis und den Felgendurchmesser), die zulässige Höchstgeschwindigkeit und den Abrollumfang des Kraftfahrzeugreifens. Das Steuergerät 4 liest beispielsweise alle Informationen in einen dafür vorgesehenen Speicher ein und wertet sie für seine speziellen Funktionen aus.The data carrier 3 contains, for example, information about the manufacturer, the material, the profile, the dimension (the width, the cross-sectional ratio and the rim diameter), the permissible maximum speed and the rolling circumference of the motor vehicle tire. The control device 4 reads, for example, all information into a memory provided for this purpose and evaluates it for its special functions.

Die Information des Datenträgers 3 kann aber auch nur eine Identifikations­ nummer sein, über die das Steuergerät 4 aus fest abgespeicherten Daten­ sätzen mehrerer Kraftfahrzeugreifentypen den für den verwendeten Kraftfahr­ zeugreifen passenden auswählt (z. B. auch nur Kennzeichnung Sommer- oder Winterreifen).The information of the data carrier 3 can also only be an identification number, via which the control unit 4 selects suitable vehicle tires for the motor vehicle tires used from permanently stored data sets of several types of motor vehicle tires (for example, only identification of summer or winter tires).

Im folgenden werden einige Anwendungsmöglichkeiten der Erfindung be­ schrieben, die jeweils von den vom Datenträger 3 gelieferten Informationen und den im Kraftfahrzeug vorhandenen Systemen abhängen. In the following, some possible applications of the invention will be described, each of which depends on the information supplied by the data carrier 3 and the systems present in the motor vehicle.

Einerseits können die Nachteile der vorhandenen, reifentypabhängigen Sy­ steme, beispeilsweise der eingangs beschriebenen Systeme, beseitigt werden. Das Antriebsschlupfregelsystem kann unabhängig von den verwendeten Kraft­ fahrzeugreifen eine optimale Regelung durchführen, die Fahrzeuggeschwin­ digkeit kann unabhängig von den verwendeten Kraftfahrzeugreifen mit hoher Genauigkeit bestimmt werden und die Federungs- und Dämpfungseigenschaf­ ten der Kraftfahrzeugreifen können in die Feder und Dämpferregelung der ak­ tiven Radaufhängung miteinbezogen werden.On the one hand, the disadvantages of the existing tire type-dependent Sy systems, for example the systems described at the beginning, can be eliminated. The traction control system can be independent of the force used vehicle tires perform an optimal control, the vehicle speed digkeit can be high regardless of the motor vehicle tires used Accuracy can be determined and the suspension and damping properties ten of the motor vehicle tires can in the spring and damper control of the ak active wheel suspension.

Andererseits können mit Hilfe der Erfindung weitere Systeme und/oder rei­ fenbezogene Funktionen für ein Kraftfahrzeug realisiert werden.On the other hand, with the help of the invention further systems and / or rei fen-related functions for a motor vehicle can be realized.

Beispielsweise ist eine Warnanzeige für den Fahrer denkbar, wenn das Fahr­ zeug die für die Kraftfahrzeugreifen (z. B. Winterreifen) maximal zulässige Höchstgeschwindigkeit überschritten hat.For example, a warning display for the driver is conceivable when driving the maximum permissible for motor vehicle tires (e.g. winter tires) Has exceeded the maximum speed.

Ferner ist ein System zur Erkennung von Reifendiebstahl möglich, wenn der Datenträger 3 eine einmalige Identifizierungsnummer enthält.A system for detecting tire theft is also possible if the data carrier 3 contains a unique identification number.

Weiterhin kann die autarke Speicherung der Reifendaten im Datenträger 3 auch für fahrzeugexterne Steuergeräte verwendet werden, z. B. zur automati­ schen Montage der Reifen am Kraftfahrzeug.Furthermore, the autonomous storage of the tire data in the data carrier 3 can also be used for control devices external to the vehicle, for. B. for automatic assembly of the tires on the motor vehicle.

Die Lösung bietet demnach vielseitige Einsatzmöglichkei­ ten, um die Sicherheit und den Komfort in Kraftfahrzeugen zu erhöhen.The solution therefore offers a wide range of uses ten to increase safety and comfort in motor vehicles.

Claims (3)

1. Vorrichtung zur Steuerung und/oder Regelung eines Kraftfahrzeugsystems, das von den Eigenschaften der Kraftfahrzeugreifen abhängt, mit einem elektronischen Steuergerät, an das Daten mittels eines Übertragungssystems weitergegeben werden, die zur Steuerung und/oder Regelung des Kraftfahrzeugsystems ausgewertet werden, dadurch gekennzeichnet, daß an wenigstens einem Kraftfahrzeugreifen (2) ein Datenträger (3) vorgesehen ist, der die Daten enthält, und daß die Daten die Eigenschaften des Kraftfahrzeugreifens (2) spezifizieren.1. Device for controlling and / or regulating a motor vehicle system, which depends on the properties of the motor vehicle tires, with an electronic control unit to which data are passed on by means of a transmission system, which are evaluated for the control and / or regulation of the motor vehicle system, characterized in that on at least one motor vehicle tire ( 2 ) a data carrier ( 3 ) is provided which contains the data and that the data specify the properties of the motor vehicle tire ( 2 ). 2. Verfahren zur Steuerung und/oder Regelung eines Kraftfahrzeugsystems mittels einer Vorrichtung nach Patentanspruch 1.2. Method for controlling and / or regulating a motor vehicle system by means of a device according to claim 1. 3. Kraftfahrzeugreifen (2) mit einem Datenträger (3), der Daten enthält, die die Eigenschaften des Kraftfahrzeugreifens (2) spezifizieren und die an ein im Kraftfahrzeug vorhandenes Steuergerät (4) weitergegeben und ausgewertet werden können.3. Motor vehicle tire ( 2 ) with a data carrier ( 3 ) which contains data which specify the properties of the motor vehicle tire ( 2 ) and which can be passed on and evaluated to a control unit ( 4 ) present in the motor vehicle.
DE19914112738 1991-04-18 1991-04-18 Device and method for controlling and / or regulating motor vehicle systems Revoked DE4112738C2 (en)

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