WO2016012091A1 - Procédé pour faire fonctionner un système d'aide au stationnement dans un véhicule à moteur et véhicule à moteur - Google Patents

Procédé pour faire fonctionner un système d'aide au stationnement dans un véhicule à moteur et véhicule à moteur Download PDF

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Publication number
WO2016012091A1
WO2016012091A1 PCT/EP2015/001493 EP2015001493W WO2016012091A1 WO 2016012091 A1 WO2016012091 A1 WO 2016012091A1 EP 2015001493 W EP2015001493 W EP 2015001493W WO 2016012091 A1 WO2016012091 A1 WO 2016012091A1
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WO
WIPO (PCT)
Prior art keywords
motor vehicle
radar
radar sensor
sensor
sensors
Prior art date
Application number
PCT/EP2015/001493
Other languages
German (de)
English (en)
Inventor
Rachid Khlifi
Original Assignee
Audi 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 Audi Ag filed Critical Audi Ag
Publication of WO2016012091A1 publication Critical patent/WO2016012091A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/032—Constructional details for solid-state radar subsystems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S13/00—Systems 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S13/00—Systems 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S13/00—Systems 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93271—Sensor installation details in the front of the vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S13/00—Systems 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93272—Sensor installation details in the back of the vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S13/00—Systems 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93274—Sensor installation details on the side of the vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S13/00—Systems 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93275—Sensor installation details in the bumper area
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
    • G01S7/028—Miniaturisation, e.g. surface mounted device [SMD] packaging or housings

Definitions

  • the invention relates to a method for operating a parking assistance system in a motor vehicle, wherein ambient data describing the surroundings of the motor vehicle which are recorded with at least one environmental sensor are used as input data for at least one function of the parking assistance system.
  • the invention relates to a motor vehicle, comprising a parking assistance system with a control unit and at least one radar sensor.
  • driver assistance systems for modern motor vehicles have already been proposed many times. If the driver assistance system requires the detection of dynamic objects in traffic, such driver assistance systems often use radar sensors. This concerns in particular longitudinal and / or transverse driver assistance systems, for example ACC systems, lane change assistants and the like.
  • driver assistance systems that can support a driver parking in a parking space by means of an information output and / or driving interventions.
  • parking assistance systems have already been proposed in which a distance to detected objects is output to the driver via a repetition frequency of emitted tones, in which distance maps of objects and around the motor vehicle are output or where the parking process is completely automated, thus determining corresponding driving interventions and be performed.
  • the functions of parking assistance systems thus require environmental data which is the (near) Um-
  • CONFIRMATION COPY describe the description of the motor vehicle and about which in particular a parking operation collision-prone objects can be described.
  • ultrasonic sensors and / or optical imaging sensors, in particular cameras.
  • these environmental sensors have disadvantages in view of the requirements of future parking assistance systems, since their requirements can not always be met.
  • Another disadvantage of these environmental sensors is that they are installed visibly, thus limiting the design freedom of motor vehicles.
  • ultrasonic sensors that are installed in a bumper of the motor vehicle, corresponding through holes that may not be disguised.
  • Ultrasonic sensors have the further disadvantage of being active or suitable only up to a certain speed, since the ultrasonic sensors are sensitive to weather, wind and temperature. In order to perform an angle determination, several ultrasonic sensors are needed after the angle measurement is then done by triangulation. Disadvantages of cameras are that they are often expensive to buy, are visible to be installed, are sensitive to light and weather and their environmental data require a compute-intensive evaluation.
  • Radar sensors used today for other driver assistance systems for example longitudinal and / or transverse driver assistance systems, which are mostly medium- or long-range radar sensors, are not used for parking applications for a number of reasons.
  • the radar sensors are too expensive, and furthermore the internal noise level of such radar sensors is too high, which means that the signal-to-noise ratio is too low.
  • the increased noise level has the consequence that the detection of objects only up to a certain minimum distance, the usually greater than 0.5 m, can be guaranteed, which would be completely unsuitable for a park application.
  • the invention is therefore based on the object to allow improved operation of a parking assistance system by improved environmental data, in particular more accurate and / or simple measured environmental data.
  • At least one radar sensor is used as an environmental sensor whose radar transceiver is realized as a semiconductor chip, in particular a CMOS chip.
  • the invention therefore proposes to use a special embodiment of a radar sensor as environment sensor for parking assistance systems, taking advantage of the fact that the recent progress in the design of radar sensors now cost-effective radar sensors are available that meet the demands made on environmental sensors of a parking assistance system requirements much better than the common ultrasonic sensors or optical imaging sensors.
  • Such high-resolution even for shorter ranges, for example in the range of 10 cm to 30 m, suitable radar sensors with which an excellent separation of individual targets is possible based on a semiconductor technology, in particular one CMOS technology and can be realized extremely compact and inexpensive.
  • CMOS Radarchip is extremely compact and does not use expensive special semiconductors, so it offers significant advantages over other semiconductor technologies, especially in manufacturing.
  • a very low cost small radar sensor is possible, which can meet the space requirements significantly better and due to the short signal paths also has a very low signal-to-noise ratio and for high frequencies and larger, variable frequency bandwidths is suitable. Therefore, such small-scale radar sensors can also be used for short-reach applications, for example in the range of 30 cm to 10 m.
  • CMOS transceiver chip and / or a package with CMOS transceiver chip and antenna on a common circuit board with a digital signal processing processor (DSP processor) or the functions of the signal processing processor in the CMOS Integrate transceiver chip. Similar integration is possible for control functions.
  • DSP processor digital signal processing processor
  • a particularly advantageous embodiment of the present invention provides that by the semiconductor chip, in particular the CMOS chip, also a digital signal processing component and / or a control unit of the radar sensor are realized and / or an antenna arrangement of the radar sensor and the semiconductor chip as a packing are realized. In this way, all previously discrete radar front-end radar components are integrated into a single high-frequency CMOS. In particular, there is therefore the possibility of integrating the antenna arrangement of the radar sensor, a digital signal processing component (DSP) and / or a control unit in a single package.
  • DSP digital signal processing component
  • radar sensors as environmental sensors in a parking assist system
  • FMCW (CW) radars have the ability, in one cycle (without triangulating the data of multiple sensors), to measure the distance, speed, and angle of a reflective object as environmental data issue.
  • both static objects ie objects that are within the functional life Do not move, as well as dynamic objects, so objects that move at a speed through the detected monitoring area in the vicinity of the motor vehicle to detect.
  • a particular advantage of such a small-sized radar sensors which may be smaller than 3 cm x 3 cm, for example, when implemented as a semiconductor chip and antenna in the package, is that it places behind the plastic material of the bumper when installing the radar sensors in the rear and / or front bumper after it is permeable to radar radiation.
  • the present invention allows a very advantageous installation of radar sensors in doors to better capture objects in the lateral area.
  • the metal / sheet metal of the doors for radar waves may be provided to cut out a window in the sheet metal of the doors, behind which the radar sensor is arranged so that the antenna arrangement of the radar sensor can radiate through this window.
  • the window can then be closed by a radar-permeable material, such as plastic, whereupon the door can be painted as a whole, so that from the outside, as already in the bumpers, no holes or sensors can be seen. Since the radar sensors described here have a very small antenna arrangement, which may for example have an area of less than 1 cm 2 , the cut-out window can accordingly be small, so that the smaller antenna arrangement can radiate through the window, which is covered in particular with plastic.
  • the environmental data it is also possible for the environmental data to be detected exclusively by the at least one radar sensor. to be won.
  • the small-scale, based on semiconductor technology, in particular CMOS technology, radar sensors allow, as already mentioned, a very accurate measurement of distance, angle and radar speed, in particular a high distance resolution is given, so that merges with other environmental sensors, such as ultrasonic sensors and / or cameras, is not necessary.
  • CMOS-based cost-effective radar technology for the parking assistance system in particular, it is also possible to use only environmental sensors which can be concealed. This is in contrast to the technologies used hitherto, in particular ultrasound and optical imaging, which require a direct view to the outside, which represents a disadvantage for the integration in the motor vehicle.
  • an environmental model describing objects in the environment of the motor vehicle in particular a three-dimensional environmental model, can be determined from the environmental data.
  • environment models (often also referred to as environmental model) are already known in principle in the prior art and can be used in driver assistance systems as simply referenceable data structure.
  • the radar sensor it is conceivable in this context to configure the radar sensor in such a way that it already provides all the data required for the environmental model with sufficient accuracy, as has already been explained with regard to the angle, the distance and the speed.
  • a three-dimensional environment model based solely on environmental data from radar sensors is also conceivable if a corresponding embodiment of the radar sensors is provided.
  • a radar sensor with an antenna arrangement which permits an angular resolution in at least two mutually perpendicular planes.
  • Such antenna arrangements are already known in principle and may, for example, have antenna elements following one another in succession and at least one additional antenna element which adjoins in another direction perpendicular thereto.
  • Radar sensors are provided which measure an azimuth angle and elevation angle, which are preferably radar sensors with a wide-angle detection range.
  • the use of radar sensors with an opening angle of 160 ° in the azimuth and 90 ° in the elevation has proven to be expedient.
  • Such a configuration of the radar sensors with such an antenna arrangement offers the possibility of collecting three-dimensional information about the objects in the environment of the motor vehicle.
  • a particularly preferred development of the invention provides that, for at least one object of the surroundings of the motor vehicle, height information of the object is determined from the environmental data of the radar sensor. Consequently, a height detection / height estimation of obstacles present in the surroundings of the motor vehicle is possible in comparison to today's, ultrasound or camera-based parking assistance systems. Due to the additional height information about the objects, a more accurate, more comprehensive evaluation within the scope of the functions can take place, so that an improved functionality of the parking assistance system is realized.
  • An embodiment of the present invention may further provide that, based on a speed information determined with the radar sensor, a classification of objects in the surroundings of the motor vehicle into moving and non-moving objects takes place.
  • This further forms the possibility of detecting both static and dynamic objects with the radar sensors, even after a relative speed of the objects to the motor vehicle is supplied by the radar sensor as ambient data, so that classification of objects, for example a dynamic one, can take place
  • Object is initially followed for a while before it is assessed how a parking trajectory is to design or whether a parking space is available for parking.
  • moving objects can be further tracked in the environmental data.
  • CMOS technology opens up design possibilities which were initially difficult to realize for radar sensors, in particular also a better separation capability between different objects, which can be achieved by a higher frequency bandwidth of the FMCW radar sensor.
  • a particularly expedient embodiment of the present invention provides that a radar sensor with a frequency bandwidth greater than 3 GHz, in particular 4 GHz, and / or with a lying in the range of 76 GHz to 81 GHz frequency band is used. Such wide frequency bandwidths allow a particularly good separation between different objects, thus further improving the accuracy of the detection.
  • the present invention also relates to a motor vehicle, comprising a parking assistance system with a control unit and at least one radar sensor, which is characterized in that the control unit for using recorded with the radar sensor, the environment of the motor vehicle descriptive environment data as input data for at least a function of the parking assistance system. is formed and the radar transceiver of the radar sensor is realized as a semiconductor chip, in particular a CMOS chip. All statements relating to the method according to the invention can be analogously applied to the motor vehicle according to the invention, so that the already mentioned advantages can also be obtained therewith.
  • small-sized, high-precision radar sensors can be realized with semiconductor chips to collect by much improved environmental sensors, namely radar sensors, the necessary environmental data for the operation of the parking assistance system.
  • a plurality of radar sensors covering the entire surroundings of the motor vehicle in particular eight radar sensors, are also preferably provided in the motor vehicle according to the invention.
  • a digital signal processing component and / or a control unit of the radar sensor are realized by the semiconductor chip and / or an antenna arrangement of the radar sensor and the semiconductor chip are implemented as a package. It is also advantageous if the antenna arrangement of the at least one radar sensor permits an angular resolution in at least two mutually perpendicular planes.
  • At least one of the at least one radar sensor is installed integrated in a door of the motor vehicle.
  • the antenna arrangement of the radar sensor In the case of installation in a door made of metal of the motor vehicle, it is expedient if at least one through-opening through the antenna arrangement of the radar sensor, thus a window, is present through the metal, which is irradiated with radar radiation. casual material, such as plastic, is filled. As has already been explained with respect to the method, such windows can be kept extremely small, since due to the small design of the radar sensor, in particular as a package, the antenna arrangement can also be kept small, for example less than 1 cm 2 , so that correspondingly small Through openings are sufficient for transmission. If the window is filled up with the material permeable to radar radiation, the overall height can be painted, for example, and the presence of the radar sensor does not occur.
  • FIG. 1 is a schematic diagram of a motor vehicle according to the invention
  • FIG. 5 shows a sketch of the method according to the invention
  • FIG. 6 shows a representation for the three-dimensional detection of the surroundings of the motor vehicle
  • Fig. 7 shows a possibility for two-dimensional representation of information for the driver
  • Fig. 8 shows the integration of radar sensors in the door of the motor vehicle.
  • 1 shows a schematic diagram of a motor vehicle 1 according to the invention.
  • This has a parking assistance system 2 with a control unit 3 which realizes various functions as input data depending on environmental data, for example a display of the environment of the motor vehicle 1 during a parking operation, the output of Warning signals in a parking operation and / or performing the parking operation supporting driving interventions, for which the control unit 3 is connected to corresponding output means 4 and / or other vehicle systems 5.
  • the control unit 3 receives the environmental data from eight radar sensors 6, of which three are integrated in the front bumper 7, three in the rear bumper 8 and one each in the side doors 9.
  • the radar sensors 6 are shown in more detail in their construction in Fig. 2.
  • the radar front end is formed by a package 10 of a semiconductor chip 11, here a CMOS chip, and an antenna arrangement 12.
  • the semiconductor chip 11 realizes not only the radar transceiver 13 but also a control unit 14 and a digital signal processing component 15 (DSP).
  • DSP digital signal processing component
  • the entire radar sensor 6 in CMOS technology is extremely small construction feasible, resulting in reduced signal paths and reduced parasitic effects low noise level, thus a high signal-to-noise ratio. That is, angle, speed and distance of surrounding objects can be detected with high accuracy.
  • this is otherwise operated with a frequency bandwidth of 4 GHz in a frequency band from 77 GHz to 81 GHz.
  • FIG. 3 shows a possible concrete structure of the antenna arrangement 12 of the radar sensor 6, which is constructed from four antenna elements 16. Three of the antenna elements 16 follow one another in one direction and make it possible to measure the angle in azimuth; the addition of the further antenna element 16 in the direction perpendicular thereto additionally permits a measurement of the elevation angle, so that consequently a three-dimensional scanning of the surroundings of the motor vehicle 1 can take place, which also makes height information available.
  • the radar sensors 6 are realized as wide-angle radar sensors 6, that is, they have in the present embodiment, an opening angle of the detection range in the azimuth of 160 ° and in the elevation of 90 °.
  • the 4 shows the detection areas 17 of the radar sensors 6. It is apparent that the entire environment around the motor vehicle 1 is detected, with the actual monitoring area resulting from the range of the radar sensors 6. In some cases, the coverage areas 17 also overlap, so that redundant information arises which can be used for checking the plausibility or otherwise improving the data quality.
  • the specific implementation of the radar sensors 6, as described, permits extremely accurate detection of objects in the surroundings of the motor vehicle 1 up to short distances, which applies to both static and dynamic objects. Information about this, as described (ideally two) angles, distance and relative velocity, are obtained in the environmental data. This is explained in more detail by FIG. 5, in which the oval 18 symbolizes the static environment of the motor vehicle 1, the oval 19 the dynamic environment of the motor vehicle 1. Both are contained in the environmental data 20 supplied by the radar sensors 6, which in turn are provided to the control unit 3, the parking assistance system 2, which can use the environment data as input data for various functions.
  • the environment data 20 of the radar sensors 6 can be used to calculate an image of the surroundings of the motor vehicle 1 in an environment model, it also being expedient to determine a height information for the detected objects, thus a three-dimensional environment. model is created. This is possible after 12 angles in the azimuth and in the Elevation can be determined by the special design of the antenna assembly.
  • the height information can therefore be used, for example, to classify objects as passable by the motor vehicle 1 or subclassifiable by the motor vehicle 1, for example as regards curbs and / or trees. Also, further classifications of objects are conceivable, for example, a division into static and dynamic objects in the context of the evaluation of the environmental data can be done.
  • FIG. 6 shows a perspective view of the motor vehicle 1 and surrounding objects 21, 22, 23 and 24.
  • the object 21 could, for example, be a wall closing off a parking space, the object 22 the crown of a tree, the object 23 a rubbish bin and the object 24 (only slightly recognizable behind the motor vehicle 1) a curb.
  • a two-dimensional representation 25 can be generated therefrom, as in FIG. 7, wherein the areas occupied by the objects 21 to 24 are respectively assigned color markings which represent their over- and under-rideability.
  • the objects 21 and 23 are not traversable and not underfahrbar, so that they red here, in Fig. 7 strongly hatched, are shown.
  • the object 24 (curb) is traversable and is therefore reproduced in yellow (dotted).
  • the object 22 (part of the tree) is significantly higher than the motor vehicle 1, can therefore be driven under and is shown in blue, as shown in FIG. 7, slightly hatched. Unoccupied fields, which are left free in FIG. 7, can be displayed in green.
  • Such a representation 25 can be output, for example, to a driver.
  • the radar sensors 6 are not visible from the outside for a viewer. With respect to the bumper 7, 8, they are behind the plastic of the bumper 7, 8 which is permeable to radar radiation.
  • the integration in the doors 9, which are made of metal, thus conventional body material is shown in more detail by Fig. 8.
  • a portion of the metal structure 26 is shown, of which the door 9 is made.
  • a passage opening 27 is provided in the metal structure 26, which is filled up by a material 28 which is permeable to radar radiation, so that nevertheless a continuous surface is produced by a lacquer layer 29 can be covered.
  • plastic is provided;
  • the lacquer layer is also permeable to radar radiation.
  • this window so the through hole 27, be extremely small, after the antenna assembly 12 is realized extremely small, for example, less than 1 cm x 1 cm.

Abstract

L'invention concerne un procédé pour faire fonctionner un système d'aide au stationnement dans un véhicule à moteur, selon lequel les données d'environnement (20) décrivant l'environnement dudit véhicule à moteur sont utilisées comme données d'entrée pour au moins une fonction dudit système d'aide au stationnement, lesdites données d'environnement étant enregistrées au moyen d'au moins un capteur d'environnement, au moins un capteur radar dont l'émetteur-récepteur radar est réalisé sous forme de puce semiconductrice, en particulier de puce CMOS, étant utilisé comme capteur d'environnement.
PCT/EP2015/001493 2014-07-23 2015-07-20 Procédé pour faire fonctionner un système d'aide au stationnement dans un véhicule à moteur et véhicule à moteur WO2016012091A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014010828.7A DE102014010828A1 (de) 2014-07-23 2014-07-23 Verfahren zum Betrieb eines Parkassistenzsystems in einem Kraftfahrzeug und Kraftfahrzeug
DE102014010828.7 2014-07-23

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WO2016012091A1 true WO2016012091A1 (fr) 2016-01-28

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