WO2019038170A1 - Évitement d'alarmes de défaillance lors du contrôle d'angle mort - Google Patents

Évitement d'alarmes de défaillance lors du contrôle d'angle mort Download PDF

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Publication number
WO2019038170A1
WO2019038170A1 PCT/EP2018/072197 EP2018072197W WO2019038170A1 WO 2019038170 A1 WO2019038170 A1 WO 2019038170A1 EP 2018072197 W EP2018072197 W EP 2018072197W WO 2019038170 A1 WO2019038170 A1 WO 2019038170A1
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WO
WIPO (PCT)
Prior art keywords
blind spot
vehicle
sensor
environmental sensor
monitoring
Prior art date
Application number
PCT/EP2018/072197
Other languages
German (de)
English (en)
Inventor
Akhil Dheerendra Jaya
Original Assignee
Valeo Schalter Und Sensoren Gmbh
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 Valeo Schalter Und Sensoren Gmbh filed Critical Valeo Schalter Und Sensoren Gmbh
Publication of WO2019038170A1 publication Critical patent/WO2019038170A1/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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87—Combinations of sonar systems
    • G01S15/876—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • 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
    • G01S2013/9315—Monitoring blind spots
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection

Definitions

  • the present invention relates to a driver assistance system for monitoring objects in a blind spot on a longitudinal side of a vehicle, comprising at least a first blind spot environment sensor, and a control unit configured to receive sensor signals of the at least one first environmental sensor, wherein the Control unit is designed to perform an object detection in the blind spot based on the sensor signals of the at least one first environment sensor and to output a blind spot warning depending on a detection of an object in the blind spot.
  • the present invention also relates to a vehicle having an above
  • the present invention relates to a method for monitoring objects in a blind spot on a longitudinal side of a vehicle, comprising the steps of monitoring the blind spot with at least a first environmental sensor, receiving sensor signals of the at least one first environmental sensor, detecting objects in the blind spot based on the sensor signals of the at least one first environmental sensor, and outputting a blind spot warning depending on the detection of an object in the blind spot.
  • the present invention relates to a data processing program with program code means for carrying out the above method for monitoring objects in a blind spot on a longitudinal side of a vehicle by an electronic control unit having at least one processor when the program is executed by the electronic control unit.
  • the present invention also relates to a computer program product
  • Program code means stored in a computer-readable medium to perform the above method for monitoring objects in a blind spot on a longitudinal side of a vehicle, when the
  • a blind spot in a vehicle refers to an area laterally adjacent to the vehicle that can not be directly seen by a driver or within the field of view of a wing mirror.
  • the blind spot is specified in vehicle standard.
  • the dead-angle area correspondingly extends adjacent the vehicle from a driver's position towards the rear to behind the vehicle, typically in an area about 3 meters behind the vehicle.
  • the blind spot has a width of 2.5 meters to 3 meters next to the vehicle. Although a portion of it may be seen in practice, typically this entire area adjacent to and behind the vehicle is included within the dead angle range.
  • a blind spot exists both on a driver side of the vehicle and on a passenger side of the vehicle.
  • a driver assistance system for blind spot monitoring nowadays comprises one or usually a plurality of ultrasound sensors, which are arranged along a longitudinal side of the vehicle, and detect an approach of objects in this area.
  • a blind spot warning may be issued, particularly when the object is approaching.
  • the blind spot monitoring is performed independently for the driver and front passenger side.
  • the ultrasonic sensors have a large detection angle, without it being possible to detect a direction of a reflection.
  • the object that causes the reflection can thus be located anywhere within the detection angle.
  • Currently used ultrasonic sensors have a detection angle of typically 75 ° or even more. A position determination of the object in the range of a single
  • Ultrasonic sensor is not possible. Therefore, the ultrasonic sensors partially detect objects that are not in the blind spot. In this case, the driver assistance system for blind spot monitoring is incorrect
  • DE 10 2010 033 207 A1 discloses a method and device for monitoring the surroundings of a vehicle.
  • the method is at predetermined measuring times of at least one ultrasonic sensor
  • Receive echo signal wherein for each received echo signal by evaluating a corresponding propagation time distance information to a possible object is determined.
  • a distance pattern of the received echo signals for the corresponding measurement time is determined from the distance information determined at a time of measurement, wherein for detecting a real object and / or an interference source as a possible object parameters of distance patterns are compared with each other, which are detected at least two consecutive measurement times.
  • DE 10 201 1 086 299 A1 discloses a method for informing the driver of an overtaking vehicle about the feasibility of an overtaking operation. According to the method is determined during the overtaking process
  • Feasibility of an overtaking process is determined as a function of this sensor information. Characterized in that sensor information is used a sensor that detects the outdated vehicle after the Ausscheren, especially when driving past, information about the vehicle overhauled can be obtained during the overtaking process and adapted the information about the feasibility of the overtaking process to the determined during the overtaking sensor information become.
  • a method for blind spot monitoring for a vehicle is also known from DE 10 201 1 104 740 A1.
  • An environment of the vehicle is monitored to detect objects in the environment, with the presence of an object in the environment Blind spot area a driver warning is issued.
  • a driver warning is issued.
  • DE 10 2013 205 167 A1 discloses a device with at least one SVA ultrasonic sensor of a blind spot monitoring system for detecting an object, in particular an approaching vehicle, in a blind spot, with a control unit for determining the distance and / or or the speed and / or position of the moving object. It is envisaged that the
  • Control unit is designed such that at least one signal of a PP-ultrasonic sensor of a driver assistance system for monitoring the blind spot is processable by this.
  • EP 2 084 045 B1 relates to a method for detecting an environment of a
  • the environment of the vehicle is detected with a number of sensors, the sensors having different detection ranges.
  • An object is detected, whereby a transition of the object between each two detection areas is bridged by using a transfer algorithm by means of predictions. Reference is made to the transition between two detection areas.
  • a dead angle range of the vehicle is detected with at least one of the sensors with an ultrasonic sensor.
  • the invention is therefore based on the object, a driver assistance system for monitoring objects in a blind spot on a longitudinal side of a vehicle, a vehicle with such a driver assistance system, a method for monitoring objects in a blind spot a longitudinal side of a vehicle, and a data processing program with program code means for carrying out the above method for monitoring objects in a blind spot on a longitudinal side of a vehicle, the reliable detection of located in a blind spot of the vehicle objects and avoiding false alarms at to ensure blind spot monitoring.
  • the object is achieved by the features of the invention
  • a driver assistance system for monitoring objects in a blind spot on a longitudinal side of a vehicle, comprising at least one first blind spot environmental sensor, at least one second environmental sensor monitoring a second area, and a control unit implemented; Sensor signals of the at least one first environmental sensor and the at least one second environmental sensor to receive, wherein the control unit is executed, an object detection in the blind spot based on the sensor signals of the at least one first
  • a vehicle is also specified with an above driver assistance system.
  • a method for monitoring blind spot objects on a vehicle longitudinal side comprising the steps of monitoring the blind spot with at least a first environmental sensor, monitoring a second region having at least one second environmental sensor, receiving sensor signals of the at least one first Environmental sensor and the at least one second environmental sensor, detecting objects in the blind spot based on the sensor signals of the at least one first
  • Environmental sensor detecting objects in the second region based on the sensor signals of the at least one second environmental sensor, and outputting a blind spot warning depending on the detection of an object in the blind spot and filtering the object detection in the blind spot based on the detection of an object in the second area.
  • a data processing program with program code means is given for carrying out the above method for
  • Also according to the invention is a computer program product with program code means which are stored in a computer-readable medium to perform the above method for monitoring objects in a blind spot on a longitudinal side of a vehicle when the computer program product is executed on a processor of an electronic control unit.
  • the basic idea of the present invention is thus to carry out additional object recognition in a second area in addition to the object recognition in the blind spot itself, in order to thus improve the recognition of objects in the blind spot.
  • a filtering of the information i. the detected objects in the blind spot based on the detection of objects in the second area to reliably assign a detected object to the blind spot can.
  • the second area does not belong to the blind spot, so that a driver can see this area, and a blind spot warning is not required.
  • the false detection of objects in the blind spot relates in particular to other vehicles approaching a front side or a rear side of the vehicle, which can therefore be detected in an edge region of the at least one first environmental sensor.
  • the driver assistance system is a system for monitoring the blind spot of the vehicle.
  • the driver assistance system may be self-sufficient in the vehicle, or a part of a system with different driver assistance systems. Accordingly, the various driver assistance systems can also resources, for example
  • the at least one first blind spot ambient sensor is typically located on the longitudinal side of the vehicle to monitor the blind spot.
  • the driver assistance system comprises a plurality
  • a second environmental sensor may be provided, or a plurality of second environmental sensors, for monitoring the second region and detecting objects in the second region.
  • the second area may, for example, adjoin the blind spot, so that objects in the second area, which are also detected by the at least one first environmental sensor, are not wrong
  • the control unit is a computing unit with a processor and a memory, as is typically used in vehicles for control.
  • the control unit is a computing unit with a processor and a memory, as is typically used in vehicles for control.
  • Control unit is connected via a vehicle bus, which may be, for example, a CAN bus or other common data in vehicles data bus, with the environmental sensors, and receives the corresponding sensor signals from them.
  • vehicle bus which may be, for example, a CAN bus or other common data in vehicles data bus, with the environmental sensors, and receives the corresponding sensor signals from them.
  • the control unit is also connected via the vehicle bus with an output device for outputting the blind spot warning.
  • the object detection in the blind spot and in the second area may be performed in the control unit itself based on the corresponding sensor signals of FIG. Alternatively, but already in the corresponding
  • a simple filtering consists, for example, in that a blind spot warning is issued only when the at least one first environmental sensor detects an object, and the at least one second environmental sensor detects no object.
  • Ambient sensor an environmental sensor for monitoring the blind spot on one according to other longitudinal side of the vehicle.
  • the monitoring of the blind spot is in principle independent for each longitudinal side.
  • recognizing an object in both blind spots can be an indication that a correspondingly large object is in front of or behind the vehicle so that it is detected at both blind spots. This is the case when, for example, another vehicle approaches the vehicle from the front or rear.
  • a blind spot warning based on a correspondingly wide object extending between both blind spots can be reliably suppressed.
  • each of a first and second environmental sensor is aligned to detect a rear portion of the respective blind spot, so that an approach of other vehicles does not lead to a false blind spot warning.
  • a first environmental sensor for detecting objects in the blind spot on one side of the vehicle can be used as a second environmental sensor for filtering objects on the other longitudinal side.
  • the blind spot environment sensors can additionally be used to filter the detection of objects at their respective blind spots.
  • Ambient sensor an environmental sensor for monitoring a front side of the vehicle, in particular for monitoring a rear end side of the vehicle.
  • a detection of an object in front of or behind the vehicle can be performed reliably.
  • a blind spot warning based on a correspondingly wide object extending over the second area and the blind spot can be reliably suppressed.
  • An approach of other vehicles does not lead to a false blind spot warning.
  • Environmental sensor which is part of an assistance system for parking the vehicle, for example, used to filter objects in the blind spot.
  • the driver assistance system includes two second environmental sensors at each
  • Ultrasonic sensor executed. Ultrasonic sensors as such are known in the art and are used to monitor a near field around the vehicle. The ultrasonic sensors can detect objects at a maximum distance of about 3 to 5 meters. Ultrasonic sensors are very inexpensive and readily available.
  • the Environment sensor positioned at a front end of the longitudinal side of the vehicle, in particular on a relative to the vehicle rear end side of the longitudinal side.
  • a false detection of objects occurs especially at the edge of the blind spot, whereby filtering is particularly desirable here to avoid false blind spot warnings.
  • the second environmental sensor in the second region in its field of vision immediately adjoins the environmental sensor at a front end of the longitudinal side of the vehicle.
  • the step of outputting a blind spot warning comprises outputting the blind spot warning if the at least one first environmental sensor detects an object, and filtering the object recognition comprises suppressing the blind spot warning if the at least one second blind spot warning
  • Environmental sensor also detects an object. This provides a simple but effective filtering to suppress a false blind spot warning. It is thus assumed that the detected object extends from the blind spot to the second area.
  • the step of suppressing the blind spot warning, when the at least one second environmental sensor also detects an object comprises comparing a first distance of the object detected by the at least one first environmental sensor with a second distance of the one detected by the at least one second environmental sensor object.
  • the detected object extends from the blind spot to the second area when the object is at the same distance from the vehicle in the blind spot and the second area, for example.
  • the similar distance may be a distance with a predetermined tolerance range.
  • Object detection in the blind spot based on detecting an object in the second area, determining a probability of presence of an object in an area next to the blind spot.
  • the probability can be determined based on various factors, such as one
  • Detection of the object with a plurality of first and / or a plurality of second environmental sensors distances of the detected with the various first and second environmental sensors objects, a time course of detection of the detected objects, relative speeds of the detected objects, positions of the environmental sensors, or the like. It can be different factors
  • a high probability of approaching a vehicle from the front side can be assumed if both second environmental sensors mounted on the front side of the vehicle detect an object, in particular if both of these second environmental sensors detect an object in one recognize the same or similar distance.
  • Object detection involves comparing the probability of the object's presence in an area beyond the blind spot with a predetermined threshold.
  • the limit value can easily and reliably provide a measure of the output of the blind spot warning.
  • the limit value can be adjusted dynamically depending on driving situations, for example a speed.
  • the step of monitoring a second area with at least one second environmental sensor occurs only when an object has been detected when detecting objects in the blind spot based on the sensor signals of the at least one first environmental sensor.
  • a data bus is less loaded between the control unit and the at least one second environmental sensor.
  • FIG. 1 is a schematic view of a vehicle according to a first
  • Fig. 2 is a schematic view of the vehicle of FIG. 1 in a
  • Fig. 3 is a schematic view of the vehicle of FIG. 1 in a
  • Traffic situation with a following vehicle a field of view of a first environmental sensor of the vehicle, a blind spot, and a detection of the following vehicle with second
  • Fig. 4 is a diagram of the detection of an approximation of a subsequent
  • Vehicle having a first environmental sensor for detecting objects in the blind spot
  • 5 is a flowchart for carrying out a method for
  • FIG. 1 shows a vehicle 10 according to a first, preferred embodiment.
  • the vehicle 10 includes a driver assistance system 12 for blind spot monitoring for a blind spot 14 on each of the two longitudinal sides 16 of the vehicle 10.
  • the two blind spots 14 are shown together with a front blocking zone 18.
  • the two blind spots 14 each include a necessary alarm zone 20 and an optional alarm zone 22.
  • a blind spot warning may be triggered accordingly when an object 24, here another vehicle 24, approaches the vehicle 10 in the optional alarm zone 22 while a blind spot warning is triggered must when the object 24 in the necessary alarm zone 20 approaches the vehicle 10.
  • a blind spot warning is to be blocked.
  • These zones 18, 20, 22 are based on an ISO standard and are universally known in this form.
  • the driver assistance system 12 in each case comprises a plurality of first ultrasonic sensors 26, which are arranged along the respective longitudinal sides 16 of the vehicle 10, for monitoring the respective dead angle 14.
  • the first ultrasonic sensors 26 are first environmental sensors 26 in the sense of the present invention.
  • Driver assistance system 12 further comprises a plurality of second ultrasonic sensors 28, which are arranged on a front end side 30 and a rear end side 32 of the vehicle 10.
  • the second ultrasonic sensors 28 are second
  • Ultrasonic sensors 28 are designed and arranged to monitor a second area 34, which is located on the respective front side 30, 32. At each end face two second ultrasonic sensors 28 are arranged.
  • the first ultrasonic sensor 26 considered here is in each case at a rear end face of the two longitudinal sides 16 of FIG.
  • the driver assistance system 12 also includes a control unit 36, which is connected via a data bus 38 to the first and second environmental sensors 26, 28.
  • the control unit 36 is also connected via the data bus 38 with an output device, not shown here, for outputting a blind spot warning.
  • the output device may be an acoustic output device, or an optical output device.
  • the control unit 36 is implemented, an object recognition in the blind spot 14 based on the sensor signals of the first environmental sensors 26 and a
  • control unit 36 is configured to output a blind spot warning depending on a detection of an object 24 in the blind spot 14 and a filtering of the object recognition in the blind spot 14 based on the detection of the object 24 in the second area 34. Details will be discussed with reference to the following discussion of a method for monitoring objects 24 in a blind spot 14 on a longitudinal side 16 of a vehicle 10.
  • a method of monitoring objects 24 in the blind spot 14 on both longitudinal sides 16 of the vehicle 10 according to the first preferred embodiment will now be described with reference to FIG. The method is performed with the vehicle 10 and the driver assistance system 12 of the first embodiment.
  • the method begins with a step S100, which monitors the blind spot 14 with the first ultrasonic sensors 26.
  • the monitoring of the dead angle 14 with the first ultrasonic sensors 26 is carried out continuously here.
  • step S1 10 the second area 34 is monitored with the second ultrasonic sensors 28.
  • the monitoring of the second area 34 with the second ultrasonic sensors 26 is carried out continuously here.
  • step S120 the control unit 36 receives sensor signals of the first ultrasonic sensors 26 and the second ultrasonic sensors 28.
  • the sensor signals are transmitted via the data bus 38 from the respective first and second ultrasonic sensor to the control unit 36.
  • step S130 objects 24 are detected in the blind spot 14 based on the sensor signals of the first ultrasonic sensors 26. The detection is performed by the control unit 36.
  • step S140 detection of objects 24 in the second region 34 is performed based on the sensor signals of the second ultrasonic sensors 28.
  • Detection is performed by the control unit 36.
  • a blind spot warning is issued depending on the detection of an object 24 in the blind spot 14.
  • the output of the blind spot warning initially relates to an internal output, wherein, depending on a subsequent filtering, the initially internal output can become an external output perceptible by a driver of the vehicle 10.
  • step S160 the object recognition is filtered in the blind spot 14 based on the detection of an object 24 in the second area 34
  • Probability for a presence of the object 24 is determined substantially in the second region 34.
  • the probability is based on factors comprising a detection of the object 24 with a plurality of first and / or a plurality of second ultrasonic sensors 26, 28, distances between the objects 24 detected with the various first and second ultrasonic sensors 26, 28, a time course of detection detected objects 24, relative speeds of the detected objects 24, positions of the ultrasonic sensors 26, 28, or the like. Different factors can be weighted differently.
  • a high probability of an approach of a vehicle 24 from the front side 30, 32 will be assumed, if both of the front side 30, 32 of the vehicle 10 attached second ultrasonic sensors 26, 28 recognize an object 24, especially if both of these second ultrasonic sensors 26, 28 recognize an object 24 at an equal or similar distance.
  • the probability of a presence of the object 24 in the second region 34 next to the blind spot 14 is compared with a predetermined limit.
  • the Limit value can depend on driving situations, such as a
  • Second ultrasonic sensor 28 which is for example part of an assistance system for parking the vehicle 10, can be used for filtering objects 24 in the blind spot 14.
  • a simple filtering according to an alternative embodiment is that a blind spot warning is output only when the first ultrasonic sensors 26 detect an object 24, and the second ultrasonic sensors 28 do not recognize an object 24. However, if the first ultrasonic sensors 26 detect an object 24, and the second ultrasonic sensors 28 also detect an object 24, the
  • a blind spot warning is output when the first ultrasonic sensors 26 detect an object 24. Subsequently, a filtering is performed such that it is first checked whether the second ultrasonic sensors 28 also recognize an object 24. If this is the case, the first distance 42 of the object 24 detected by the first ultrasonic sensor 26 is compared with the second distance 44 of the object 24 detected by the second ultrasonic sensor 28. When the object 24 is in the blind spot 14 and in the second area 34 at a similar distance to the vehicle 10, the
  • blind spot warning suppressed. This means that the blind spot warning is suppressed when the first and the second distance 42, 44 are equal to a predetermined tolerance range.
  • a first ultrasonic sensor 26 is used on a correspondingly different longitudinal side 16 of the vehicle 10 as a second ultrasonic sensor 28 in the sense of the present invention.
  • an approaching other vehicle 24 is similarly recognized by the respective ultrasonic sensors 26, 28. This excludes detection of the distance of itself approaching other vehicle 24.
  • the first and second distances 42, 44 detected by the first and second ultrasonic sensors 26, 28 are substantially identical, so that a good measure of an approach of another vehicle 24 results therefrom, ie a blind spot warning is not output or is suppressed.
  • first ultrasonic sensor first environmental sensor second ultrasonic sensor, second environmental sensor front end side

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un système d'assistance à la conduite (12) permettant de surveiller des objets (24) dans un angle mort (14) situé sur le côté longitudinal (16) d'un véhicule (10). Ledit système comprend au moins un premier capteur d'environnement (26) destiné à surveiller l'angle mort (14), au moins un deuxième capteur d'environnement (28) destiné à surveiller une deuxième zone (34), et une unité de commande (36) conçue pour recevoir des signaux de capteur d'au moins un premier capteur d'environnement (26) et de l'au moins un deuxième capteur d'environnement (28). L'unité de commande (36) est conçue pour effectuer une détection d'objet dans l'angle mort (14) sur la base des signaux de capteur d'au moins un premier capteur d'environnement (26) et une reconnaissance d'objet dans la deuxième zone (34) sur la base des signaux de capteur de l'au moins un deuxième capteur d'environnement (28) et l'unité de commande (36) est conçue pour émettre un avertissement d'angle mort en fonction de la détection d'un objet (24) dans l'angle mort (14) et du filtrage de la reconnaissance d'objet dans l'angle mort (14) sur la base de la détection d'un objet (24) dans la deuxième zone (34). L'invention concerne également un véhicule (10) équipé d'un tel système d'assistance à la conduite (12). L'invention concerne en outre un procédé correspondant de surveillance d'objets (24) dans un angle mort (14).
PCT/EP2018/072197 2017-08-21 2018-08-16 Évitement d'alarmes de défaillance lors du contrôle d'angle mort WO2019038170A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017119036.8A DE102017119036A1 (de) 2017-08-21 2017-08-21 Vermeidung von Fehlalarmen bei einer Totwinkelüberwachung
DE102017119036.8 2017-08-21

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Publication Number Publication Date
WO2019038170A1 true WO2019038170A1 (fr) 2019-02-28

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Citations (10)

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DE10336964A1 (de) * 2003-08-12 2005-03-10 Bosch Gmbh Robert Verfahren und Vorrichtung zur Detektion von sich in annähernd gleicher Raumrichtung zu einem Fahrzeug bewegenden Objekt
DE102005027653A1 (de) * 2005-06-15 2006-12-21 Robert Bosch Gmbh Vorrichtung zur Ortung von Objekten im Toten Winkel eines Fahrzeugs
EP2084045A1 (fr) * 2006-10-09 2009-08-05 Robert Bosch GmbH Procede pour detecter l'environnement d'un vehicule
DE102010033207A1 (de) 2010-08-03 2012-02-09 Valeo Schalter Und Sensoren Gmbh Verfahren und Vorrichtung zur Umfeldüberwachung für ein Fahrzeug
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EP2084045B1 (fr) 2006-10-09 2011-08-31 Robert Bosch GmbH Procede pour detecter l'environnement d'un vehicule
DE102010033207A1 (de) 2010-08-03 2012-02-09 Valeo Schalter Und Sensoren Gmbh Verfahren und Vorrichtung zur Umfeldüberwachung für ein Fahrzeug
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DE102013205167A1 (de) 2013-03-22 2014-09-25 Robert Bosch Gmbh Störungsunterdrückung bei Tote-Winkel-Überwachung
DE102016201070A1 (de) * 2016-01-26 2017-07-27 Robert Bosch Gmbh Verfahren und Vorrichtung zur Fahrerassistenz

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