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WO2013004327A1 - Position-adjustable vehicle component and method for orienting same - Google Patents

Position-adjustable vehicle component and method for orienting same Download PDF

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Publication number
WO2013004327A1
WO2013004327A1 PCT/EP2012/002390 EP2012002390W WO2013004327A1 WO 2013004327 A1 WO2013004327 A1 WO 2013004327A1 EP 2012002390 W EP2012002390 W EP 2012002390W WO 2013004327 A1 WO2013004327 A1 WO 2013004327A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
vehicle component
orientation
determined
sensor
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.)
Ceased
Application number
PCT/EP2012/002390
Other languages
German (de)
French (fr)
Inventor
Ralf Ackermann
Klaus Jostschulte
Benjamin Winkler
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of WO2013004327A1 publication Critical patent/WO2013004327A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/06Testing the alignment of vehicle headlight devices
    • G01M11/068Testing the alignment of vehicle headlight devices with part of the measurements done from inside the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017Devices integrating an element dedicated to another function
    • B60Q1/0023Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4004Means for monitoring or calibrating of parts of a radar system
    • G01S7/4026Antenna boresight
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4004Means for monitoring or calibrating of parts of a radar system
    • G01S7/4026Antenna boresight
    • G01S7/4034Antenna boresight in elevation, i.e. in the vertical plane
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/93Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327Sensor installation details
    • G01S2013/93271Sensor installation details in the front of the vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/93Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327Sensor installation details
    • G01S2013/93275Sensor installation details in the bumper area
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4052Means for monitoring or calibrating by simulation of echoes
    • G01S7/4082Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
    • G01S7/4091Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder during normal radar operation

Definitions

  • the invention relates to a position-adjustable vehicle component and a method for aligning a position-adjustable vehicle component.
  • Driver assistance systems such as cameras or a radar sensor.
  • a chassis test stand is often equipped for a variety of adjustment and calibration tasks.
  • headlight adjustment systems For the adjustment of the headlights of the chassis test bench has particular headlight adjustment systems. These optically determine the angle at which a cut-off line is emitted. Through this optical feedback, a worker or a robot can adjust the headlights.
  • a metal plate is placed in front of the vehicle as a "mirror.”
  • the radar sensor sends a signal to the "mirror” at different angles and can ultimately determine the optimal alignment from the power of the reflected signal.
  • Simpler radar sensors have an optical auxiliary mirror mounted on the housing. About this mirror can with an external light source, the optimal
  • Alignment of the sensor can be determined.
  • a target is usually placed in a precisely defined position in front of the vehicle, so that the cameras themselves - through the analysis of the
  • Camera image of the target - can adjust.
  • Headlight adjustment also used special adjustment devices.
  • For cameras there are usually also in service workshops appropriate targets that are placed suitably in front of the vehicle.
  • For a radar sensor system there are usually no resources in service workshops, so that the radar sensor is usually set during a longer adjustment run.
  • DE 10 2008 003 707 A1 discloses a headlamp for a motor vehicle with a base body, in which a light module is accommodated and used to determine a
  • the light module is in the body by means of a
  • Luchtweitenregel issued position adjustable, wherein the headlamp leveling device has a tilt sensor, which is designed to determine the inclination of the light module to the horizontal and on the non-installed state of the
  • Headlamps a zero position reference to the headlamp leveling device can be specified.
  • EP 2 219 367 A1 discloses a portable electronic device having a housing and a tilt sensor for detecting an orientation of the housing relative to the direction of gravity.
  • the device has a camera module coupled to the housing, which is motor-driven rotatable about an axis of rotation to align the camera module to a direction which forms a certain angle with the direction of gravity.
  • US 2009/0128618 A1 discloses a system and a method for automatic selection of an object from a field of view of a portable image capture device, wherein a tilt of a camera body relative to the direction of gravity is measured by means of a tilt sensor and used for automatic alignment of the camera.
  • JP 2010160379 A discloses a method for calibrating a camera arranged in an object, in particular in a vehicle
  • the invention is based on the object, an improved position adjustable
  • a position-adjustable vehicle component according to the invention has a
  • Inclination sensor for determining an orientation of the vehicle component and for aligning the vehicle component in a vehicle in response to measured signals recorded by means of the inclination sensor.
  • the tilt sensor makes it advantageous to align the vehicle component without external adjustment means that require high precision for adjustment and can be made very complex. As a result, the expense and cost of aligning the vehicle component can be significantly reduced compared with adjustment methods known from the prior art. In particular, the
  • Vehicle component are also aligned outside of production and workshops based on recorded by means of the tilt sensor measurement signals.
  • vehicle component of the inclination sensor is designed as a micro-electro-mechanical system or as a liquid-based capacitive tilt sensor.
  • MEMS micro-electro-mechanical system
  • the inclination sensor can be installed very accurately, such a sensor can be sufficient for aligning the vehicle component.
  • a sensor can be used for aligning the vehicle component.
  • two inclination sensors which measure inclinations in different, preferably mutually orthogonal planes.
  • a vehicle component according to the invention can in particular be a headlight for emitting visible light, an infrared headlight, a radar sensor, a camera, a wheel suspension, a mirror, a tailboard, a sunroof or a
  • Be display unit The orientation of all these vehicle components can be advantageously simplified by means of a tilt sensor.
  • an inclination sensor in particular one of the above-mentioned inclination sensors, is integrated in a position-adjustable vehicle component, wherein the vehicle component may in particular be one of the abovementioned vehicle components.
  • a vehicle component can be aligned with the reference signals of the inclination sensor to a desired orientation, without external
  • the desired orientation is predetermined relative to the direction of gravity. This has the advantage that the target orientation is thus independent of the vehicle position and the inclination to the
  • Gravity direction can be determined by means of the tilt sensor.
  • this variant requires that the vehicle be at least approximately in a horizontal position when determining the orientation of the vehicle component, i. in a situation in which a vehicle vertical axis is in the direction of gravity.
  • the alignment of the vehicle component is preferably determined in at least one measurement signal detected by means of the inclination sensor when the vehicle is stationary in a horizontal position. It is advantageously utilized that the vehicle vertical axis and the gravity are rectified in the horizontal position of the vehicle and therefore an orientation of the vehicle component relative to the direction of gravity at the same time is an orientation relative to the vehicle.
  • This embodiment of the first variant of the method is preferably used on a test bench in the production process or in a service workshop, in which the vehicle is mounted horizontally, in particular to a first or readjustment of the vehicle component.
  • the measured values of the sensors are read out, displayed, processed and / or stored by the production or service testers via diagnostics.
  • an average value of measurement signals detected by means of the inclination sensor is formed, and the orientation of the vehicle component is determined from the mean value.
  • a vehicle usually occupies a horizontal position during its movement on average, as it drives the same amount uphill and downhill on average. Therefore, the mean value of the measurement signals detected by means of the inclination sensor also gives an inclination with respect to the direction of gravity, which is used for
  • Aligning the vehicle component can be used.
  • This embodiment of the first variant can be used for the periodic checking and correction of the orientation of the vehicle component.
  • Convergence-accelerating algorithms can be used for the rapid formation of the mean value.
  • this refinement of the first variant of the method can be further developed such that data of a navigation device or other data containing information about the position of the vehicle is included in the averaging. For example, if it is known from such data that the vehicle moves during an averaging interval on average not in a horizontal but in another known position, for example over an average gradient of the distance traveled during the averaging interval, then the mean of the vehicle can be determined by means of the inclination sensor detected measurement signals are corrected accordingly to determine the inclination relative to the direction of gravity.
  • an instantaneous vehicle position is determined and the desired orientation is specified relative to the vehicle position.
  • This variant advantageously makes it possible to determine the vehicle component in any position of the vehicle.
  • it is not related to a horizontal position of the vehicle and thus more flexible than the first variant.
  • the instantaneous vehicle position is preferably determined by means of further position sensors arranged on or in the vehicle.
  • Position sensors are, for example, sensors of a vehicle dynamics control of
  • the instantaneous vehicle position can advantageously be determined reliably.
  • the prerequisite for this is that the vehicle is or will be equipped with correspondingly accurate position sensors.
  • measurement signals of various position sensors arranged on or in the vehicle are regularly detected and correlations between the detected measurement signals are determined and the current vehicle position is determined from measurement signals correlated with one another.
  • This embodiment of the second variant utilizes that a simultaneous failure or a simultaneous misalignment of multiple position sensors in or on the vehicle unlikely.
  • Position sensors therefore reliably provide reliable information about the current vehicle position and enable the determination of the vehicle position.
  • determined uncorrelated measurement signals can advantageously be used to determine misaligned or faulty vehicle components.
  • the sensors used to determine the vehicle position are preferably regularly recalibrated in a workshop with one another in order to increase the reliability and accuracy of the determination of the vehicle position.
  • Fig. 1 a detail of a side view of a vehicle with a
  • Infrared headlamp which has a tilt sensor.
  • 1 shows a vehicle 1 with a in a bumper 2 of the vehicle.
  • Infrared illuminator 3 is aligned by means of the method according to the invention on the basis of measurement signals recorded by means of the inclination sensor 4 in such a way that an emission direction in which it emits infrared radiation runs parallel to a roadway traveled by the vehicle.
  • Infrared radiation are insensitive. In addition to the above-mentioned advantages of the method according to the invention, this method thus makes it possible to adjust the infrared headlamp 3 in the first place.
  • infrared headlights 3 can also be a headlight of the
  • Headlamps measure the exact alignment and the headlight then in production by means of the inclination sensor. 4
  • a radar sensor can be adjusted, which has a tilt sensor 4.
  • a correct installation position can also be referenced here and the radar sensor system can be adjusted by a simple measurement by means of the inclination sensor 4 on a horizontally aligned test bench.
  • a camera can also be easily adjusted by means of an inclination sensor 4 arranged on it, without the need for a target to which the camera is aligned in conventional alignment methods.
  • inclination sensors 4 for aligning a wheel suspension of the vehicle 1 can be used by controlling the individual deflection of each individual wheel by means of a tilt sensor 4 arranged on a steering knuckle. This can replace the currently used very complex signal generator for the travel.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention relates to a position-adjustable vehicle component which includes an inclination sensor (4) for detecting an orientation of the vehicle component and for orienting the vehicle component in a vehicle (1) on the basis of measurement signals recorded by means of the inclination sensor (4). The invention further relates to a method for orienting such a position-adjustable vehicle component in a vehicle (1), wherein by means of the inclination sensor (4) an orientation of the vehicle component is detected and a deviation of the detected orientation from a desired orientation is reduced.

Description

Lageverstellbare Fahrzeugkomponente und Verfahren zum Ausrichten derselben  A position adjustable vehicle component and method for aligning the same

Die Erfindung betrifft eine lageverstellbare Fahrzeugkomponente und ein Verfahren zum Ausrichten einer lageverstellbaren Fahrzeugkomponente. The invention relates to a position-adjustable vehicle component and a method for aligning a position-adjustable vehicle component.

Bei der Fahrzeugmontage muss in der Regel eine große Anzahl von In the vehicle assembly usually has a large number of

Fahrzeugkomponenten im Fahrzeug justiert und kalibriert werden. Hierzu gehören neben den Scheinwerfern insbesondere auch unterschiedliche Sensoren der Vehicle components in the vehicle can be adjusted and calibrated. These include in addition to the headlights in particular also different sensors of

Fahrerassistenzsysteme wie Kameras oder eine Radarsensorik. Driver assistance systems such as cameras or a radar sensor.

In der Produktion werden für diese Justierungs- und Kalibrierungsaufgaben In production, for this adjustment and calibration tasks

entsprechende Prüfstände eingerichtet. Insbesondere ein Fahrwerksprüfstand ist häufig für eine Vielzahl von Justierungs- und Kalibrierungsaufgaben ausgestattet. appropriate test stands set up. In particular, a chassis test stand is often equipped for a variety of adjustment and calibration tasks.

Für die Justierung der Frontscheinwerfer besitzt der Fahrwerksprüfstand insbesondere Scheinwerfer-Einstell-Anlagen. Diese bestimmen auf optischem Weg den Winkel, unter dem eine Hell-Dunkel-Grenze abgestrahlt wird. Über diese optische Rückkopplung kann ein Werker oder ein Roboter die Scheinwerfer justieren. For the adjustment of the headlights of the chassis test bench has particular headlight adjustment systems. These optically determine the angle at which a cut-off line is emitted. Through this optical feedback, a worker or a robot can adjust the headlights.

Für die Radarsensorik in höherwertigen Fahrzeugen wird eine Metallplatte als„Spiegel" vor das Fahrzeug gebracht. Bei der Justierung sendet der Radarsensor unter verschiedenen Winkeln ein Signal zum„Spiegel" und kann schließlich aus der Leistung des reflektierten Signals die optimale Ausrichtung bestimmen. For radar sensors in higher-value vehicles, a metal plate is placed in front of the vehicle as a "mirror." When calibrated, the radar sensor sends a signal to the "mirror" at different angles and can ultimately determine the optimal alignment from the power of the reflected signal.

Einfachere Radarsensoren haben einen optischen Hilfsspiegel auf dem Gehäuse montiert. Über diesen Spiegel kann mit einer externen Lichtquelle die optimale Simpler radar sensors have an optical auxiliary mirror mounted on the housing. About this mirror can with an external light source, the optimal

Ausrichtung des Sensors bestimmt werden. Für Kameras im Fahrzeug wird gewöhnlich ein Target in exakt definierter Position vor das Fahrzeug gebracht, so dass die Kameras sich selbst - durch die Analyse des Alignment of the sensor can be determined. For cameras in the vehicle, a target is usually placed in a precisely defined position in front of the vehicle, so that the cameras themselves - through the analysis of the

Kamerabildes von dem Target - justieren können. Camera image of the target - can adjust.

Neben der Initialjustierung in der Produktion sind auch spätere Justierungen im Betrieb eines Fahrzeuges von Bedeutung. In den Service-Werkstätten werden für die In addition to the initial adjustment in production and later adjustments in the operation of a vehicle are of importance. In the service workshops are for the

Scheinwerferjustierung ebenfalls spezielle Justierungsvorrichtungen eingesetzt. Für Kameras gibt es in der Regel auch in Service-Werkstätten entsprechende Targets, die geeignet vor dem Fahrzeug platziert werden. Für eine Radarsensorik gibt es in Service- Werkstätten in der Regel keine Betriebsmittel, so dass die Radarsensorik meist während einer längeren Justierungsfahrt eingestellt wird. Headlight adjustment also used special adjustment devices. For cameras, there are usually also in service workshops appropriate targets that are placed suitably in front of the vehicle. For a radar sensor system there are usually no resources in service workshops, so that the radar sensor is usually set during a longer adjustment run.

DE 10 2008 003 707 A1 offenbart einen Scheinwerfer für ein Kraftfahrzeug mit einem Grundkörper, in dem ein Lichtmodul aufgenommen und zur Ermittlung eines DE 10 2008 003 707 A1 discloses a headlamp for a motor vehicle with a base body, in which a light module is accommodated and used to determine a

Abblendlichtes vorgesehen ist. Das Lichtmodul ist im Grundkörper mittels einer Low beam is provided. The light module is in the body by means of a

Leuchtweitenregeleinrichtung lageverstellbar, wobei die Leuchtweitenregeleinrichtung einen Neigungssensor aufweist, der zur Ermittlung der Neigung des Lichtmoduls zur Horizontalen ausgebildet ist und über den im nicht eingebauten Zustand des Luchtweitenregeleinrichtung position adjustable, wherein the headlamp leveling device has a tilt sensor, which is designed to determine the inclination of the light module to the horizontal and on the non-installed state of the

Scheinwerfers eine Nulllagenreferenz an die Leuchtweitenregeleinrichtung vorgebbar ist. Headlamps a zero position reference to the headlamp leveling device can be specified.

EP 2 219 367 A1 offenbart ein tragbares elektronisches Gerät mit einem Gehäuse und einem Neigungssensor zur Erfassung einer Orientierung des Gehäuses relativ zur Schwerkraftrichtung. Das Gerät weist ein an das Gehäuse gekoppeltes Kameramodul auf, das motorgetrieben um eine Rotationsachse drehbar ist, um das Kameramodul zu einer Richtung auszurichten, die mit der Schwerkraftrichtung einen bestimmten Winkel bildet. EP 2 219 367 A1 discloses a portable electronic device having a housing and a tilt sensor for detecting an orientation of the housing relative to the direction of gravity. The device has a camera module coupled to the housing, which is motor-driven rotatable about an axis of rotation to align the camera module to a direction which forms a certain angle with the direction of gravity.

US 2009/0128618 A1 offenbart ein System und ein Verfahren zur automatischen Auswahl eines Objekts aus einem Sichtfeld einer tragbaren Bilderfassungsvorrichtung, wobei eine Verkippung eines Kameragehäuses gegenüber der Schwerkraftrichtung mittels eines Neigungssensors gemessen und zur automatischen Ausrichtung der Kamera verwendet wird. US 2009/0128618 A1 discloses a system and a method for automatic selection of an object from a field of view of a portable image capture device, wherein a tilt of a camera body relative to the direction of gravity is measured by means of a tilt sensor and used for automatic alignment of the camera.

JP 2010160379 A offenbart ein Verfahren zur Kalibrierung einer in einem Objekt, insbesondere in einem Fahrzeug, angeordneten Kamera mittels JP 2010160379 A discloses a method for calibrating a camera arranged in an object, in particular in a vehicle

Beschleunigungsmessungen. JP 2010175359 A offenbart einen MEMS-Neigungssensor (MEMS = Micro-Electro- Mechanical System bzw. Mikro-Elektro-Mechanisches System) und ein Automobil mit einem derartigen Neigungssensor. Acceleration measurements. JP 2010175359 A discloses a MEMS inclination sensor (MEMS = micro-electro-mechanical system) and an automobile with such an inclination sensor.

Der Erfindung liegt die Aufgabe zu Grunde, eine verbesserte lageverstellbare The invention is based on the object, an improved position adjustable

Fahrzeugkomponente und ein verbessertes Verfahren zum Ausrichten einer Vehicle component and an improved method for aligning a

lageverstellbaren Fahrzeugkomponente anzugeben. position adjustable vehicle component.

Die Aufgabe wird erfindungsgemäß hinsichtlich der Fahrzeugkomponente durch die Merkmale des Anspruchs 1 und hinsichtlich des Verfahrens durch die Merkmale des Anspruchs 4 gelöst. The object is achieved with respect to the vehicle component by the features of claim 1 and in terms of the method by the features of claim 4.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche. Advantageous embodiments of the invention are the subject of the dependent claims.

Eine erfindungsgemäße lageverstellbare Fahrzeugkomponente weist einen A position-adjustable vehicle component according to the invention has a

Neigungssensor zur Ermittelung einer Ausrichtung der Fahrzeugkomponente und zum Ausrichten der Fahrzeugkomponente in einem Fahrzeug in Abhängigkeit von mittels des Neigungssensors aufgenommenen Messsignalen auf. Inclination sensor for determining an orientation of the vehicle component and for aligning the vehicle component in a vehicle in response to measured signals recorded by means of the inclination sensor.

Der Neigungssensor ermöglicht es vorteilhaft, die Fahrzeugkomponente auch ohne externe Justierungsmittel auszurichten, die eine hohe Präzision zur Justierung erfordern und sehr komplex ausgeführt sein können. Dadurch können Aufwand und Kosten einer Ausrichtung der Fahrzeugkomponente gegenüber aus dem Stand der Technik bekannten Justierungsverfahren erheblich reduziert werden. Insbesondere kann die The tilt sensor makes it advantageous to align the vehicle component without external adjustment means that require high precision for adjustment and can be made very complex. As a result, the expense and cost of aligning the vehicle component can be significantly reduced compared with adjustment methods known from the prior art. In particular, the

Fahrzeugkomponente auch außerhalb von Produktions- und Werkstätten anhand von mittels des Neigungssensors aufgenommenen Messsignalen ausgerichtet werden. Vehicle component are also aligned outside of production and workshops based on recorded by means of the tilt sensor measurement signals.

In einer bevorzugten Ausgestaltung der Fahrzeugkomponente ist der Neigungssensor als ein Mikro-Elektro-Mechanisches System oder als ein flüssigkeitsbasierter kapazitiver Neigungssensor ausgebildet. In a preferred embodiment of the vehicle component of the inclination sensor is designed as a micro-electro-mechanical system or as a liquid-based capacitive tilt sensor.

Unter einem als Mikro-Elektro-Mechanisches System (MEMS = Micro-Electro-Mechanical System) ausgebildeten Neigungssensor wird ein Mikrosystem mit einer beweglichen Kondensatorplatte verstanden, mittels dessen kapazitiv eine Neigung gegenüber der Schwerkraftrichtung bestimmbar ist. Unter einem flüssigkeitsbasierten kapazitiven Neigungssensor wird ein so genanntes Liquid Capacitive Inclinometer verstanden, das ein teilweise mit einer dielektrischen Flüssigkeit befülltes Gehäuse aufweist, so dass eine Neigung gegenüber der Schwerkraftrichtung kapazitiv über die Abhängigkeit einer Kapazität von der Gehäuselage bestimmbar ist. Under a designed as a micro-electro-mechanical system (MEMS = micro-electro-mechanical system) inclination sensor is a microsystem with a movable capacitor plate understood, by means of which a capacitive tilt against the direction of gravity can be determined. Under a liquid-based capacitive tilt sensor is a so-called Liquid Capacitive Inclinometer understood that a partially filled with a dielectric fluid housing, so that an inclination relative to the direction of gravity capacitive on the dependence of a capacitance of the housing position can be determined.

Derartige Sensoren sind heute bereits als Massenprodukte verfügbar und eignen sich daher vorteilhaft zur Verwendung als Neigungssensoren in erfindungsgemäßen Such sensors are already available as mass products and are therefore advantageous for use as tilt sensors in the invention

Fahrzeugkomponenten. Überdies sind sie klein und nehmen daher vorteilhaft nur wenig Bauraum in Anspruch. Es sind aber auch andere Neigungssensoren verwendbar, beispielsweise solche, die auf einer Magnetfeldmessung basieren. Vehicle components. Moreover, they are small and therefore take advantage of only little space to complete. However, other inclination sensors can also be used, for example those based on a magnetic field measurement.

Sofern der Neigungssensor sehr exakt eingebaut werden kann, kann ein derartiger Sensor zur Ausrichtung der Fahrzeugkomponente genügen. Für einen weniger exakten Aufbau oder eine zweidimensionale Ausrichtung der Fahrzeugkomponente können auch zwei Neigungssensoren verwendet werden, die Neigungen in unterschiedlichen, vorzugsweise zueinander orthogonalen Ebenen messen. If the inclination sensor can be installed very accurately, such a sensor can be sufficient for aligning the vehicle component. For a less exact construction or a two-dimensional alignment of the vehicle component, it is also possible to use two inclination sensors which measure inclinations in different, preferably mutually orthogonal planes.

Eine erfindungsgemäße Fahrzeugkomponente kann insbesondere ein Scheinwerfer zur Aussendung sichtbaren Lichts, ein Infrarotscheinwerfer, ein Radarsensor, eine Kamera, eine Radfederung, ein Spiegel, eine Ladebordwand, ein Schiebedach oder eine A vehicle component according to the invention can in particular be a headlight for emitting visible light, an infrared headlight, a radar sensor, a camera, a wheel suspension, a mirror, a tailboard, a sunroof or a

Anzeigeeinheit sein. Die Ausrichtung all dieser Fahrzeugkomponenten kann vorteilhaft mittels eines Neigungssensors vereinfacht werden. Be display unit. The orientation of all these vehicle components can be advantageously simplified by means of a tilt sensor.

Bei dem erfindungsgemäßen Verfahren wird ein Neigungssensor, insbesondere einer der oben genannten Neigungssensoren, in eine lageverstellbare Fahrzeugkomponente integriert, wobei die Fahrzeugkomponente insbesondere eine der oben genannten Fahrzeugkomponenten sein kann. Mittels des Neigungssensors wird eine Ausrichtung der Fahrzeugkomponente ermittelt und es wird eine Abweichung der ermittelten Ausrichtung von einer Sollausrichtung verringert. In the method according to the invention, an inclination sensor, in particular one of the above-mentioned inclination sensors, is integrated in a position-adjustable vehicle component, wherein the vehicle component may in particular be one of the abovementioned vehicle components. By means of the inclination sensor, an orientation of the vehicle component is determined and a deviation of the determined orientation from a desired orientation is reduced.

Mittels des Verfahrens kann eine Fahrzeugkomponente anhand der Messsignale des Neigungssensors auf eine Sollausrichtung ausgerichtet werden, ohne externe By means of the method, a vehicle component can be aligned with the reference signals of the inclination sensor to a desired orientation, without external

Justierungsmittel zu verwenden. Dies hat die oben bereits erwähnten Vorteile, dass Aufwand und Kosten einer Ausrichtung der Fahrzeugkomponente erheblich reduziert werden und dass die Fahrzeugkomponente auch außerhalb von Produktions- und Werkstätten ausgerichtet werden kann. In einer ersten bevorzugten Variante des Verfahrens wird die Sollausrichtung relativ zu der Richtung der Schwerkraft vorgegeben. Dies hat den Vorteil, dass die Sollausrichtung damit unabhängig von der Fahrzeuglage ist und die Neigung gegenüber der To use adjustment means. This has the above-mentioned advantages that effort and cost of alignment of the vehicle component can be significantly reduced and that the vehicle component can be aligned outside of production and repair shops. In a first preferred variant of the method, the desired orientation is predetermined relative to the direction of gravity. This has the advantage that the target orientation is thus independent of the vehicle position and the inclination to the

Schwerkraftrichtung mittels des Neigungssensors bestimmbar ist. Allerdings erfordert diese Variante, dass sich das Fahrzeug bei der Bestimmung der Ausrichtung der Fahrzeugkomponente wenigstens annähernd in einer horizontalen Lage befindet, d.h. in einer Lage, in der eine Fahrzeughochachse in Schwerkraftrichtung verläuft. Gravity direction can be determined by means of the tilt sensor. However, this variant requires that the vehicle be at least approximately in a horizontal position when determining the orientation of the vehicle component, i. in a situation in which a vehicle vertical axis is in the direction of gravity.

Daher wird bei dieser ersten Variante die Ausrichtung der Fahrzeugkomponente vorzugsweise bei in einer horizontalen Lage ruhendem Fahrzeug aus wenigstens einem mittels des Neigungssensors erfassten Messsignal ermittelt. Dabei wird vorteilhaft ausgenutzt, dass die Fahrzeughochachse und die Schwerkraft in der horizontalen Lage des Fahrzeugs gleichgerichtet sind und daher eine Ausrichtung der Fahrzeugkomponente relativ zur Schwerkraftrichtung gleichzeitig eine Ausrichtung relativ zum Fahrzeug ist. Therefore, in this first variant, the alignment of the vehicle component is preferably determined in at least one measurement signal detected by means of the inclination sensor when the vehicle is stationary in a horizontal position. It is advantageously utilized that the vehicle vertical axis and the gravity are rectified in the horizontal position of the vehicle and therefore an orientation of the vehicle component relative to the direction of gravity at the same time is an orientation relative to the vehicle.

Diese Ausgestaltung der ersten Variante des Verfahrens kommt vorzugsweise auf einem Prüfstand im Produktionsverfahren oder in einer Service-Werkstatt zum Einsatz, in dem das Fahrzeug horizontal gelagert ist, insbesondere zu einer Erst- oder Neujustierung der Fahrzeugkomponente. Die Messwerte der Sensoren werden in diesem Umfeld beispielsweise von den Produktions- oder Service-Testern über Diagnose ausgelesen, angezeigt, verarbeitet und/oder gespeichert. This embodiment of the first variant of the method is preferably used on a test bench in the production process or in a service workshop, in which the vehicle is mounted horizontally, in particular to a first or readjustment of the vehicle component. In this environment, the measured values of the sensors are read out, displayed, processed and / or stored by the production or service testers via diagnostics.

Alternativ wird bei der ersten Variante während einer Bewegung des Fahrzeuges ein Mittelwert von mittels des Neigungssensors erfassten Messsignalen gebildet und die Ausrichtung der Fahrzeugkomponente aus dem Mittelwert ermittelt. Alternatively, in the first variant, during a movement of the vehicle, an average value of measurement signals detected by means of the inclination sensor is formed, and the orientation of the vehicle component is determined from the mean value.

Dabei wird vorteilhaft ausgenutzt, dass ein Fahrzeug in der Regel während seiner Bewegung im Mittel eine horizontale Lage einnimmt, da es im Mittel gleichviel bergauf und bergab fährt. Daher liefert auch der Mittelwert der von mittels des Neigungssensors erfassten Messsignale eine Neigung gegenüber der Schwerkraftrichtung, die zum It is advantageously exploited that a vehicle usually occupies a horizontal position during its movement on average, as it drives the same amount uphill and downhill on average. Therefore, the mean value of the measurement signals detected by means of the inclination sensor also gives an inclination with respect to the direction of gravity, which is used for

Ausrichten der Fahrzeugkomponente herangezogen werden kann. Diese Ausgestaltung der ersten Variante kann zur regelmäßigen Überprüfung und Korrektur der Ausrichtung der Fahrzeugkomponente herangezogen werden. Zur schnellen Bildung des Mittelwertes können Konvergenz beschleunigende Algorithmen verwendet werden. Ferner kann diese Ausgestaltung der ersten Variante des Verfahrens dahingehend weiter gebildet werden, dass in die Mittelung Daten eines Navigationsgerätes oder andere Daten einbezogen werden, die Informationen über die Lage des Fahrzeugs enthalten. Wenn beispielsweise anhand solcher Daten bekannt ist, dass sich das Fahrzeug während eines Mittelungsintervalls im Mittel nicht in einer horizontalen, sondern einer anderen bekannten Lage bewegt, beispielsweise über eine durchschnittliche Steigung der während des Mittelungsintervalls zurückgelegten Fahrstrecke, so kann der Mittelwert der von mittels des Neigungssensors erfassten Messsignale entsprechend korrigiert werden, um die Neigung relativ zur Schwerkraftrichtung zu ermitteln. Aligning the vehicle component can be used. This embodiment of the first variant can be used for the periodic checking and correction of the orientation of the vehicle component. Convergence-accelerating algorithms can be used for the rapid formation of the mean value. Furthermore, this refinement of the first variant of the method can be further developed such that data of a navigation device or other data containing information about the position of the vehicle is included in the averaging. For example, if it is known from such data that the vehicle moves during an averaging interval on average not in a horizontal but in another known position, for example over an average gradient of the distance traveled during the averaging interval, then the mean of the vehicle can be determined by means of the inclination sensor detected measurement signals are corrected accordingly to determine the inclination relative to the direction of gravity.

In einer zweiten Variante des Verfahrens wird eine momentane Fahrzeuglage ermittelt und die Sollausrichtung relativ zu der Fahrzeuglage vorgegeben. In a second variant of the method, an instantaneous vehicle position is determined and the desired orientation is specified relative to the vehicle position.

Diese Variante ermöglicht es vorteilhaft, die Fahrzeugkomponente in einer beliebigen Lage des Fahrzeugs zu bestimmen. Insbesondere ist sie im Unterschied zur ersten Variante nicht auf eine horizontale Lage Fahrzeugs bezogen und damit flexibler als die erste Variante. This variant advantageously makes it possible to determine the vehicle component in any position of the vehicle. In particular, unlike the first variant, it is not related to a horizontal position of the vehicle and thus more flexible than the first variant.

Bei der zweiten Variante wird die momentane Fahrzeuglage vorzugsweise mittels weiterer an oder in dem Fahrzeug angeordneter Lagesensoren ermittelt. Diese weiteren In the second variant, the instantaneous vehicle position is preferably determined by means of further position sensors arranged on or in the vehicle. These others

Lagesensoren sind beispielsweise Sensoren einer Fahrdynamikregelung des Position sensors are, for example, sensors of a vehicle dynamics control of

Fahrzeuges. Vehicle.

Dadurch kann die momentane Fahrzeuglage vorteilhaft zuverlässig ermittelt werden. Voraussetzung dafür ist, dass das Fahrzeug mit entsprechend genauen Lagesensoren ausgestattet ist oder wird. As a result, the instantaneous vehicle position can advantageously be determined reliably. The prerequisite for this is that the vehicle is or will be equipped with correspondingly accurate position sensors.

Alternativ werden bei der zweiten Variante des Verfahrens Messsignale verschiedener an oder in dem Fahrzeug angeordneter Lagesensoren regelmäßig erfasst und Korrelationen zwischen den erfassten Messsignalen ermittelt und die momentane Fahrzeuglage wird aus miteinander korrelierten Messsignalen ermittelt. Alternatively, in the second variant of the method, measurement signals of various position sensors arranged on or in the vehicle are regularly detected and correlations between the detected measurement signals are determined and the current vehicle position is determined from measurement signals correlated with one another.

Diese Ausgestaltung der zweiten Variante nutzt aus, dass ein gleichzeitiges Versagen oder eine gleichzeitige Dejustierung mehrerer Lagesensoren im oder am Fahrzeug unwahrscheinlich ist. Die miteinander korrelierten Messsignale verschiedener This embodiment of the second variant utilizes that a simultaneous failure or a simultaneous misalignment of multiple position sensors in or on the vehicle unlikely. The correlated measuring signals of different

Lagesensoren liefern daher mit hoher Wahrscheinlichkeit zuverlässige Informationen über die momentane Fahrzeuglage und ermöglichen die Ermittelung der Fahrzeuglage. Position sensors therefore reliably provide reliable information about the current vehicle position and enable the determination of the vehicle position.

Außerdem können ermittelte unkorrelierte Messsignale vorteilhaft zur Ermittelung dejustierter oder fehlerhafter Fahrzeugkomponenten verwendet werden. Bei dieser Ausgestaltung der zweiten Variante des Verfahrens werden die zur Bestimmung der Fahrzeuglage verwendeten Sensoren vorzugsweise regelmäßig in einer Werkstatt zueinander rekalibriert, um die Zuverlässigkeit und Genauigkeit der Bestimmung der Fahrzeuglage zu erhöhen. In addition, determined uncorrelated measurement signals can advantageously be used to determine misaligned or faulty vehicle components. In this embodiment of the second variant of the method, the sensors used to determine the vehicle position are preferably regularly recalibrated in a workshop with one another in order to increase the reliability and accuracy of the determination of the vehicle position.

Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Zeichnung näher erläutert. Embodiments of the invention will be explained in more detail below with reference to a drawing.

Dabei zeigt: Showing:

Fig. 1 ausschnittsweise eine Seitenansicht eines Fahrzeugs mit einem Fig. 1 a detail of a side view of a vehicle with a

Infrarotscheinwerfer, der einen Neigungssensor aufweist.  Infrared headlamp, which has a tilt sensor.

Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen. Corresponding parts are provided in all figures with the same reference numerals.

Figur 1 zeigt ein Fahrzeug 1 mit einem in einen Stoßfänger 2 des Fahrzeugs 1 1 shows a vehicle 1 with a in a bumper 2 of the vehicle. 1

integrierten Infrarotscheinwerfer 3, der einen Neigungssensor 4 aufweist. Der integrated infrared headlight 3, which has a tilt sensor 4. Of the

Infrarotscheinwerfer 3 wird mittels des erfindungsgemäßen Verfahrens anhand von mittels des Neigungssensors 4 aufgenommenen Messsignalen derart ausgerichtet, dass eine Abstrahlrichtung, in die er Infrarotstrahlung aussendet, parallel zu einer von dem Fahrzeug befahrenen Fahrbahn verläuft. Infrared illuminator 3 is aligned by means of the method according to the invention on the basis of measurement signals recorded by means of the inclination sensor 4 in such a way that an emission direction in which it emits infrared radiation runs parallel to a roadway traveled by the vehicle.

Eine derartige Ausrichtung des Infrarotscheinwerfers 3 ist mit gegenwärtig verwendeten Systemen zur Scheinwerferjustierung nicht möglich, da diese Systeme für Such an orientation of the infrared headlight 3 is not possible with currently used systems for headlight adjustment, since these systems for

Infrarotstrahlung unempfindlich sind. Neben den oben bereits erwähnten Vorteilen des erfindungsgemäßen Verfahrens ermöglicht dieses Verfahren also überhaupt erst die Justierung des Infrarotscheinwerfers 3. Infrared radiation are insensitive. In addition to the above-mentioned advantages of the method according to the invention, this method thus makes it possible to adjust the infrared headlamp 3 in the first place.

Im Folgenden werden beispielhaft kurz weitere Fahrzeugkomponenten und In the following example short further vehicle components and

Anwendungsbeispiele des erfindungsgemäßen Verfahrens vorgestellt. Ebenso wie Infrarotscheinwerfer 3 lässt sich auch ein Hauptscheinwerfer des Application examples of the method according to the invention are presented. Just like infrared headlights 3 can also be a headlight of the

Fahrzeugs 1 mittels eines in oder an ihm angeordneten Neigungssensors 4 ausrichten. Beispielsweise wird bei einem Zulieferer durch eine Referenzierung des Align vehicle 1 by means of a tilt sensor 4 arranged in or on it. For example, at a supplier by a referencing of

Hauptscheinwerfers dessen exakte Ausrichtung vermessen und der Hauptscheinwerfer anschließend in der Produktion anhand von mittels des Neigungssensors 4 Headlamps measure the exact alignment and the headlight then in production by means of the inclination sensor. 4

aufgenommenen Messsignalen entsprechend eingestellt. Auf diese Weise wird zur Justierung des Hauptscheinwerfers kein herkömmliches Scheinwerfer-Einstellgerät benötigt. adjusted measured signals adjusted accordingly. In this way, no conventional headlight adjusting device is needed to adjust the headlight.

Ähnlich lässt sich eine Radarsensorik justieren, die einen Neigungssensor 4 aufweist. Mit der Vermessung einer Hauptabstrahlrichtung der Radarsensorik beim Zulieferer lässt sich auch hier eine korrekte Einbaulage referenzieren und die Radarsensorik durch eine einfache Messung mittels des Neigungssensors 4 an einem horizontal ausgerichteten Prüfstand justieren. Similarly, a radar sensor can be adjusted, which has a tilt sensor 4. With the measurement of a main radiation direction of the radar sensor system at the supplier, a correct installation position can also be referenced here and the radar sensor system can be adjusted by a simple measurement by means of the inclination sensor 4 on a horizontally aligned test bench.

Auch eine Kamera kann mittels eines an ihr angeordneten Neigungssensors 4 in einfacher Weise justiert werden, ohne ein Target zu benötigen, auf das die Kamera in herkömmlichen Justierungsverfahren ausgerichtet wird. A camera can also be easily adjusted by means of an inclination sensor 4 arranged on it, without the need for a target to which the camera is aligned in conventional alignment methods.

Ferner können Neigungssensoren 4 zur Ausrichtung einer Radfederung des Fahrzeugs 1 verwendet werden, indem die individuelle Einfederung jedes einzelnen Rades mittels eines Neigungssensors 4 kontrolliert wird, der an einem Achsschenkel angeordnet wird. Dieses kann die gegenwärtig verwendeten sehr aufwändigen Signalgeber für den Federweg ersetzen. Further, inclination sensors 4 for aligning a wheel suspension of the vehicle 1 can be used by controlling the individual deflection of each individual wheel by means of a tilt sensor 4 arranged on a steering knuckle. This can replace the currently used very complex signal generator for the travel.

Bezugszeichenliste LIST OF REFERENCE NUMBERS

Fahrzeug vehicle

Stoßfänger bumper

Infrarotscheinwerfer infrared Illuminator

Neigungssensor tilt sensor

Claims

Patentansprüche claims 1. Lageverstellbare Fahrzeugkomponente, 1. position adjustable vehicle component, gekennzeichnet durch einen Neigungssensor (4) zur Ermittelung einer Ausrichtung der Fahrzeugkomponente und zum Ausrichten der Fahrzeugkomponente in einem Fahrzeug (1) in Abhängigkeit von mittels des Neigungssensors (4) aufgenommenen Messsignalen.  characterized by an inclination sensor (4) for determining an orientation of the vehicle component and for aligning the vehicle component in a vehicle (1) as a function of measuring signals recorded by means of the inclination sensor (4). 2. Fahrzeugkomponente nach Anspruch 1 , 2. Vehicle component according to claim 1, dadurch gekennzeichnet, dass der Neigungssensor (4) als ein Mikro-Elektro- Mechanisches System oder als ein flüssigkeitsbasierter kapazitiver  characterized in that the tilt sensor (4) as a micro-electro-mechanical system or as a liquid-based capacitive Neigungssensor (4) ausgebildet ist.  Tilt sensor (4) is formed. 3. Fahrzeugkomponente nach Anspruch 1 oder 2, 3. Vehicle component according to claim 1 or 2, dadurch gekennzeichnet, dass die Fahrzeugkomponente ein Scheinwerfer zur Aussendung sichtbaren Lichts, ein Infrarotscheinwerfer (3), ein Radarsensor, eine Kamera, eine Radfederung, ein Spiegel, eine Ladebordwand, ein Schiebedach oder eine Anzeigeeinheit ist.  characterized in that the vehicle component is a headlight for emitting visible light, an infrared headlight (3), a radar sensor, a camera, a Radfederung, a mirror, a tail lift, a sunroof or a display unit. 4. Verfahren zum Ausrichten einer lageverstellbaren Fahrzeugkomponente gemäß einem der vorhergehenden Ansprüche in einem Fahrzeug (1), wobei mittels des Neigungssensors (4) eine Ausrichtung der Fahrzeugkomponente ermittelt wird und eine Abweichung der ermittelten Ausrichtung von einer Sollausrichtung verringert wird. 4. A method for aligning a position-adjustable vehicle component according to one of the preceding claims in a vehicle (1), wherein by means of the inclination sensor (4) an orientation of the vehicle component is determined and a deviation of the determined orientation is reduced by a target orientation. 5. Verfahren nach Anspruch 4, 5. The method according to claim 4, dadurch gekennzeichnet, dass die Sollausrichtung relativ zu der  characterized in that the target orientation relative to the Schwerkraftrichtung vorgegeben wird.  Gravity direction is specified. 6. Verfahren nach Anspruch 5, 6. The method according to claim 5, dadurch gekennzeichnet, dass die Ausrichtung der Fahrzeugkomponente bei in einer horizontalen Lage ruhendem Fahrzeug (1) aus wenigstens einem mittels des Neigungssensors (4) erfassten Messsignal ermittelt wird.  characterized in that the orientation of the vehicle component is determined in a horizontal position resting vehicle (1) from at least one by means of the inclination sensor (4) detected measurement signal. 7. Verfahren nach Anspruch 5, 7. The method according to claim 5, dadurch gekennzeichnet, dass während einer Bewegung des Fahrzeuges (1) ein Mittelwert von mittels des Neigungssensors (4) erfassten Messsignalen gebildet wird und die Ausrichtung der Fahrzeugkomponente aus dem Mittelwert ermittelt wird.  characterized in that during a movement of the vehicle (1) an average value of by means of the inclination sensor (4) detected measuring signals is formed and the orientation of the vehicle component is determined from the mean value. 8. Verfahren nach Anspruch 4, 8. The method according to claim 4, dadurch gekennzeichnet, dass eine momentane Fahrzeuglage ermittelt und die Sollausrichtung relativ zu der Fahrzeuglage angegeben wird.  characterized in that a current vehicle position is determined and the target orientation is specified relative to the vehicle position. 9. Verfahren nach Anspruch 8, 9. The method according to claim 8, dadurch gekennzeichnet, dass die momentane Fahrzeuglage mittels weiterer an oder in dem Fahrzeug (1) angeordneter Lagesensoren ermittelt wird.  characterized in that the instantaneous vehicle position is determined by means of further on or in the vehicle (1) arranged position sensors. 10. Verfahren nach Anspruch 8, 10. The method according to claim 8, dadurch gekennzeichnet, dass Messsignale verschiedener an oder in dem  characterized in that measuring signals different at or in the Fahrzeug (1) angeordneter Lagesensoren regelmäßig erfasst werden, Korrelationen zwischen den erfassten Messsignalen ermittelt werden und die momentane  Vehicle (1) arranged position sensors are regularly detected, correlations between the detected measurement signals are determined and the current Fahrzeuglage aus miteinander korrelierten Messsignalen ermittelt wird.  Vehicle position is determined from correlated measuring signals.
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