WO2017016533A1 - Dispositif de détection et de reconnaissance de brouillard pour un véhicule automobile - Google Patents

Dispositif de détection et de reconnaissance de brouillard pour un véhicule automobile Download PDF

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Publication number
WO2017016533A1
WO2017016533A1 PCT/DE2016/000283 DE2016000283W WO2017016533A1 WO 2017016533 A1 WO2017016533 A1 WO 2017016533A1 DE 2016000283 W DE2016000283 W DE 2016000283W WO 2017016533 A1 WO2017016533 A1 WO 2017016533A1
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WIPO (PCT)
Prior art keywords
fog
signal
detection
data
vehicle
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/DE2016/000283
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German (de)
English (en)
Inventor
Benedikt BÜTTNER
Mario Schmitt
Hans-Michael Schmitt
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.)
Preh GmbH
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Preh 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 Preh GmbH filed Critical Preh GmbH
Priority to CN201690001040.0U priority Critical patent/CN209248021U/zh
Publication of WO2017016533A1 publication Critical patent/WO2017016533A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/003—Bistatic lidar systems; Multistatic lidar systems
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Definitions

  • Detection device for detecting fog for a motor vehicle
  • the invention relates to a detection device for detecting fog according to the
  • Optoelectronic sensor devices (Lidar, "Light Detecting and Ranging"), in particular laser-based systems, enable the detection of objects at a distance of more than 100 m from the motor vehicle with a relatively high measuring accuracy and are already state of the art Driving comfort and to increase safety, such as a lane change assistant, a traffic jam assistant, monitoring the dead angle, a crossing assistant and a precrash sensor Depending on the particular application, the sensor device is installed in the motor vehicle.
  • From US 5 118 180 A is a method and a device for the determination of
  • a transceiver device is arranged in the front region of a vehicle, which as
  • Rangefinder acts. A series of measuring beams is directed by the rangefinder to different measuring areas of the road surface. The of the
  • Road surface backscattered radiation is detected by metrology. If the weather conditions change, for example due to fog or other disturbing influences, the characteristic of the backscattered signal will change or no stray signal will be received. The driver is alerted to a dangerous situation by an acoustic or visual warning signal.
  • the sensor devices has a transmitter for linear polarized
  • a receiver having a first receiving device, which measures the intensity of the backscattered radiation from the transmission beam cone in the plane of polarization and perpendicular thereto, and with a second receiving device which measures the intensity of the backscattered radiation from an annular space outside the transmission cone and an evaluation device for Evaluation of the measured signals in order to determine whether a fog, snow or rain wall or a fixed visual obstacle is present at a distance to be determined.
  • the lidar device can be used as a distance warning device in a motor vehicle, and, in connection with a data processing device and a speedometer, which the
  • US Pat. No. 5,987,152 A discloses a method for determining the range of vision, in particular for the movement of a motor vehicle.
  • the original images taken by an optoelectronic recording device are transformed into image features that identify locations of defined brightness changes in the original images.
  • image features that identify locations of defined brightness changes in the original images.
  • Distance values will be the current visibility of a vehicle driver or one
  • Interference signals which are mistakenly detected as fog, so that it can lead to an unfounded warning message.
  • This problem occurs in particular if the space area to be monitored by the detection device and thus acted upon is comparatively large or incomplete.
  • reception signals can be triggered by the reflection on vehicles in front, on bridges, in tunnels, on signs located above the roadway, or by branches located above the roadway and can not reliably be distinguished from a signal triggered by fog. Also in the systems described above is not reliable between a visibility restriction by rain and a
  • This object is achieved by a detection device for detecting fog with the
  • Embodiments of the invention show. The description, especially in the
  • the invention relates to a detection device for detecting fog, wherein the
  • Detection device comprises an opto-electronic fog sensor device, which is designed to act on a spatial area with at least a first optical transmission signal and from this space area a reflected
  • the fog sensor device is as
  • Reflection light barrier also called open light barrier, formed.
  • Detection device for detecting fog is preferably arranged in the front region of the motor vehicle, and even more preferably the detection device for detecting fog is arranged behind the windshield in the vehicle interior.
  • An optical transmission signal in the sense of the invention is for example a pulsed or a continuous laser beam, preferably the optical transmission signal is also a pulsed or a continuous light generated by a light-emitting diode (LED).
  • the optical transmission signal is preferably in the infrared spectral range, more preferably in the near-infrared spectral range.
  • the applied space is determined by the arrangement of the transmitter and the
  • the transmitter and the receiver are arranged so that at least a partial overlap is present.
  • the transmission and reception characteristics are aligned so that the area of space impinges with increasing distance to infinity, for example, because the main emission of the transmitter and the main receiving direction of the transmitter, also referred to as their optical axes, parallel to each other or at an acute angle cut less than 10 °.
  • the applied spatial area is therefore the result of the conjunction of the optical reception profile of the receiver and the optical beam profile of the transmitter.
  • the transmitter and the receiver are aligned so that their optical axes are parallel or intersect at an acute angle with an angle of less than 10 °, preferably less than 5 °, more preferably less than 3 °.
  • the transmitter and the receiver are so
  • transmitter and receiver are arranged on a common circuit board.
  • emitter and receiver are spaced apart, with an air vent or rear mirror base in between.
  • the detection device for detecting fog is preferably arranged so that its detection direction is perpendicular to a tangential plane of the windscreen to unwanted reflections of the optical transmission signal when passing through the
  • Windscreen to reduce, otherwise to an additional reduction of the
  • the transmitted signal emitted by the transmitter is reflected.
  • matter such as, for example, fog or very small drops of water, particles, signs, tunnel walls, branches or similar objects
  • Reflective properties of the matter in the area acted upon the optical transmission signal is reflected.
  • the more the fog is transmitted the more dense the transmission signal radiated by the optical transmitter. detected by the receiver as a received signal
  • an electrical signal is output to the evaluation unit for further analysis, depending on the strength of the received signal.
  • the space area acted upon according to the invention is preferably located in front of
  • An interference signal in the sense of the invention is consequently a reception signal lying above the background noise (baseline), which is not based on a fog condition.
  • a useful signal in the sense of the invention is a received signal, which is based on a fog state. To determine whether the received signal is a useful signal or an interference signal, the detected received signals, taking into account the data on the
  • the reception signal is set to a useful signal based on a threshold value: If the received signal is above a predetermined threshold for fog detection, a fog condition is detected and, for example, a warning signal issued to the motor vehicle driver and / or the vehicle electronics uses the detection result based on the vehicle exterior lighting to control.
  • the threshold for fog detection is adapted according to the respective data about the vehicle operating state and / or the respective vehicle environment data of the immediate motor vehicle environment. Defining the threshold for
  • Nebeldetetation takes place preferably dynamically, i.
  • the threshold for fog detection is constantly updated and adjusted in accordance with the data that is constantly being acquired.
  • the data about the vehicle operating state for example, the
  • Navigation information is correlated via, for example, waters or tunnels.
  • the vehicle environment data of the immediate automotive environment may include, for example, climate data such as temperature, humidity, air pressure, rainfall, or brightness in the vehicle environment.
  • climate data such as temperature, humidity, air pressure, rainfall, or brightness in the vehicle environment.
  • the amount of rain is determined permanently and adjusted according to the amount of rain, the threshold for fog detection. That if the amount of rain is very large, the threshold is set high, and if the amount of rain is small, the threshold is lowered.
  • Threshold is adjusted to the sensitivity of the optoelectronic fog sensor device according to the detected rainfall and thus a false
  • the impacted area of space is preferably above the specified clearance for the road, so that possibly leading vehicles are below the applied space.
  • the resulting cuts are preferably above the specified clearance for the road, so that possibly leading vehicles are below the applied space.
  • Detection direction of the road surface preferably in an angular range of preferably 30 ° -90 °, more preferably in an angular range of 30 ° -80 ° and most preferably in an angular range of 30 ° -60 °.
  • the angle range is preferably to be selected such that the applied space area lies as far as possible in front of the motor vehicle, wherein the
  • a fog detection in such a predetermined space area allows the fog to be detected in front of the vehicle without receiving an interference signal from preceding vehicles.
  • the motor vehicle driver can therefore be warned early and adjust the driving behavior accordingly, for example, the speed can be reduced.
  • the data about the vehicle operating state are preferably obtained via the data bus, which is already available in the motor vehicle, and forwarded to the evaluation unit, i. it is also possible to integrate sensors independent of the detection device for detecting fog into the evaluation unit.
  • the evaluation unit is preferably integrated in the optoelectronic fog sensor device.
  • the detection device according to the invention for detecting fog further comprises a possibility for storing the detected received signals and also the measured data on the vehicle operating state and / or the vehicle environment data of the immediate automotive environment.
  • the data are stored, for example, in each case with the corresponding geographical coordinates and the time, so that both the time course and the course of the data along the route can be called up.
  • the stored data can for example be deposited so that the data is available again when the same route is traveled again.
  • the temporal and / or spatial course of the received signal is used for an additional distinction between a fog state and a non-fog state.
  • the temporal and / or spatial course in the evaluation unit is characterized.
  • a slowly increasing temporal and / or spatial course of the received signal is characteristic of a fog state and a step-like rise characteristic of a tunnel.
  • a stepwise temporal and / or spatial course is a course in which the detected signal jumps from a lower level to a higher level or from a higher level to a lower level within a predetermined distance or time span.
  • the signal is there
  • the predetermined distance is less than 10m, more preferably less than 8m, and the preferred time is the time in which the preferred distance is traveled at the current speed.
  • the predetermined time would be 500 ms and more preferably 400 ms.
  • the temporal and / or spatial course of the received signal reflected by a tunnel is step-shaped.
  • the detected received signal is in the case of a tunnel detection but with high probability above the threshold to
  • a mist condition would thus be erroneously detected.
  • a step-shaped course of the received signal is not characteristic of a fog state, thus a fog state is excluded in the case of a step-like rise of the received signal by the evaluation unit.
  • a tunnel is detected via the change of the brightness value and thus a false detection of a fog state is avoided. If the brightness value falls below a threshold of preferably 20%, more preferably 15% and most preferably 10% of the previously measured brightness value over a predetermined period of time or over a predetermined distance, a tunnel is detected.
  • the evaluation unit then switches to a tunnel mode "Car is driving through a tunnel" and the fog measurement is paused.
  • the tunnel detection by means of a brightness sensor is used in particular on the day.
  • the tunnel mode is exited when it suddenly, i. gradually becomes bright again, i. the brightness value exceeds a predetermined time span or over a predetermined distance a predetermined threshold value.
  • the threshold is between 40% and 60%, more preferably between 45% and 55%, and most preferably 50% of the brightness value detected prior to tunnel detection.
  • the distance covered in the tunnel mode is determined, for example, by a counter, preferably via the data bus available in the motor vehicle anyway. If a predetermined distance is exceeded, the tunnel mode is switched off again, thus avoiding that the fog sensor device falsely pauses.
  • a recognized tunnel is deposited, for example, with the geographical coordinates and the distance in a database in the motor vehicle and / or online. These data can be used when the route is repeatedly traveled, i. the current data is compared with the already stored data and so is the
  • data available online about the region such as the time history of the temperature of the last few days can be compared with the current and / or the predicted temperature.
  • a fog probability can be predicted even before the detection of fog.
  • the temporal temperature profile for the places to be passed For example, the temporal temperature profile for the places to be passed
  • the evaluation automatically connected additional device such as a smartphone or a
  • the Navigation system predetermined route detected an increased fog probability takes place already before the Nebeldetetation a warning message.
  • the warning message can be visual and / or audible and / or haptic.
  • data available on-line during the journey can be downloaded and / or data from mist-warning systems set up on the route can be used.
  • the vehicle environment data recorded by the motor vehicle while driving can be collected, for example, together with the geographical coordinates in a database stored in the motor vehicle and thus lead to an improved prognosis for the probability of mist formation along the route.
  • the coordinates at which fog has actually been detected and the associated data such as the temperature profile, the humidity, the brightness, etc. are stored and stored in a database in the vehicle.
  • This database can also be put online with the approval of the motor vehicle driver and possibly also be used by other road users.
  • the data stored in the motor vehicle and / or the online data are compared with the coordinates of the vehicle and can be used in the fog detection or warning at an increased fog probability.
  • the temporal and / or spatial course of the received signal is analyzed and it is based on the data on the vehicle operating condition and / or the
  • Vehicle environment data of the immediate automotive environment the threshold is adapted to Nebeldetediction.
  • Database for predicting a fog probability or for comparison with the current measurement data can be used.
  • the method for detecting fog for a motor vehicle comprises applying a spatial region having at least one first optical transmission signal and detecting a reflected reception signal from the applied one
  • Room area by an arranged in the front region of the motor vehicle opto-electronic fog sensor device.
  • a temporally parallel process step over detects at least one further sensor, data about the vehicle operating state and / or vehicle environment data of the immediate automotive environment. Based on the strength of the received signal, an electrical signal is generated and sent to the
  • the received signal and / or the data about the vehicle operating state and / or the vehicle environment data of the immediate motor vehicle environment are preferably evaluated in the evaluation unit.
  • a determination whether the received signal is an interference signal or a useful signal is based on the evaluation taking place taking into account the determined data on the vehicle operating condition and / or the vehicle environment data of the immediate automotive environment.
  • the determination is made whether the received signal is an interference signal or a useful signal, based on a threshold for fog detection, the threshold for fog detection on the basis of the determined data on the vehicle operating condition and / or the
  • Vehicle environment data of the immediate automotive environment preferably continuously, is adjusted.
  • the evaluation unit is then preferably the temporal and / or spatial course of the
  • Vehicle operating condition and / or the vehicle environment data of the immediate automotive environment is then used in the further process for determining whether the received signal is a useful signal or a noise signal.
  • FIG. 1 shows a detection device for detecting fog located in the front region of a motor vehicle
  • FIG. 1 schematically shows an inventive arrangement of a detection device for detecting fog 1 in the front region of a motor vehicle 5, wherein the opto-electronic fog sensor device 3 is arranged behind the windshield in the vehicle interior.
  • the optical axis 8 of the optoelectronic fog sensor device 3 intersects the roadway 9 at an angle 10 of approximately 45 °. Due to this angular adjustment, the optical axis 8 is located at a height of 1 m attached optoelectronic
  • Mist sensor device 3 with a hood length of 1, 5m already on the front bumper at a height of about 2.5m. This ensures that the optical axis 8 of the optoelectronic fog sensor device 3 has no point of intersection with a motor vehicle 14 traveling in front. At the same time is the acted upon
  • Space region 4 of the optoelectronic fog sensor device 3 still relatively far ahead of the motor vehicle 5 at a relatively low height with respect to the roadway 9.
  • another sensor 2 is arranged on the roof of the motor vehicle 5, wherein the further sensor 2 at each for the detection of respective data meaningful place on the
  • Motor vehicle 5 may be attached.
  • the Threshold for fog detection adjusted accordingly. If a fog condition is detected, depending on the visibility both a warning message to the
  • FIGS. 2a and 2b show a plan view of the optical beam profile 6, 7 of the transmitter 11 and the receiver 12.
  • the transmitter 11 and the receiver 12 are each arranged so that their optical axes intersect.
  • the angle of intersection of the two optical axes gives, with the same optical beam profile, the size of the optoelectronic
  • Nebul sensor device 3 acted upon space area 4 before. The acted on
  • Spatial region 4 results from the conjunction of the optical beam profile of the transmitter 6 with the optical beam profile of the receiver 7.
  • the method according to the invention and the device according to the invention are in principle suitable both for the alignment of the optical axes shown in FIG. 2a and for the orientation shown in FIG. 2b, since in both cases a plausibility check of the fog detection takes place despite the extended applied space. But with increasing space but the risk of misdetection increases, arise
  • the applied space area is large, for example, ends at a distance from the fog sensor device, which is more than 2.5 m, preferably more than 3m, more preferably more than 5m.
  • the advantage according to the invention is achieved when the optical axes are at infinity or approximately at
  • Mist sensor device according to the design shown in Figure 2b can be realized comparatively inexpensive.
  • Detection device for fog detection 1 in the front region of the motor vehicle 5 is equipped.
  • a preceding motor vehicle 14 is located below the applied space region 4 and is therefore not detected as an interference signal. The acted on
  • 3a shows a characteristic step-shaped time profile of a received signal 7, which with an optoelectronic fog sensor device 3 of a, with a constant
  • Receiving signal 7 are checked.
  • the time profile of the brightness value shows a temporally offset inverse curve of the time profile of the received signal 7.
  • the result based on the detected received signal can be confirmed by an independent measuring method.
  • tunnel 13 are detected and the motor vehicle 5 is switched to a tunnel mode. In tunnel mode, the measurement pauses for fog detection.
  • Detection device for fog detection 1 in the front region of the motor vehicle 5 is equipped.
  • a preceding motor vehicle 4 lies below the applied space region 4 and is therefore not detected as an interference signal.
  • the mist 16 is shown here via three upward arrows, the arrow being the density of the mist 16.
  • 4 a shows a characteristic monotonously increasing time profile of a received signal 7 detected by an optoelectronic fog sensor device 3, a motor vehicle 5 approaching the mist 16 at a constant speed. If the received signal 7 lies above the threshold adapted in accordance with the data of the further sensor 2 a fog condition is detected.
  • the characteristic time characteristic of the brightness values shown in FIG. 4 b can also be used to distinguish between a fog state and a non-fog state.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente invention concerne un dispositif de détection et de reconnaissance de brouillard (1) pour un véhicule automobile (5), comprenant : un dispositif capteur de brouillard optoélectronique, disposé dans la partie frontale du véhicule automobile (5), qui est conçu pour soumettre une zone d'espace (4) à au moins un premier signal d'émission optique et pour détecter un signal de réception réfléchi de cette zone d'espace (4), et pour générer un signal électrique en fonction de l'intensité du signal de réception, les signaux de réception détectés étant corrélés à des intensités lumineuses ; au moins un autre capteur (2) qui est destiné à la détection de données sur l'état de fonctionnement du véhicule et/ou à la détection de données d'environnement de véhicule sur l'environnement immédiat du véhicule automobile. L'invention est caractérisée en ce qu'une unité d'évaluation établit, en tenant compte des données déterminées sur l'état de fonctionnement du véhicule et/ou des données d'environnement de véhicule sur l'environnement immédiat du véhicule automobile, si le signal de réception est un signal parasite ou un signal utile.
PCT/DE2016/000283 2015-07-24 2016-07-22 Dispositif de détection et de reconnaissance de brouillard pour un véhicule automobile Ceased WO2017016533A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201690001040.0U CN209248021U (zh) 2015-07-24 2016-07-22 用于车辆的雾检测的检测设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015112103.4A DE102015112103B4 (de) 2015-07-24 2015-07-24 Detektionsvorrichtung zur Nebelerkennung für ein Kraftfahrzeug
DE102015112103.4 2015-07-24

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WO2017016533A1 true WO2017016533A1 (fr) 2017-02-02

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Cited By (4)

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DE102017111446A1 (de) 2017-05-24 2018-11-29 HELLA GmbH & Co. KGaA Vorrichtung und Verfahren zur Nebeldetektion
US20200241136A1 (en) * 2019-01-28 2020-07-30 Stanley Electric Co., Ltd. Apparatuses and methods for backscattering elimination via spatial and temporal modulations
DE102019132241A1 (de) * 2019-11-28 2021-06-02 Valeo Schalter Und Sensoren Gmbh Nebeldetektor mit einem LED-Ermitter als Sender und Empfänger
DE102019132237A1 (de) * 2019-11-28 2021-06-02 Valeo Schalter Und Sensoren Gmbh Nebeldetektor mit einem Multi-LED-Emitter als Sender und Empfänger

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DE102017102489B3 (de) * 2017-02-08 2018-05-24 Preh Gmbh Verfahren zur Nebeldetektion
DE112018007029B4 (de) * 2018-03-12 2022-12-08 Mitsubishi Electric Corporation Nebelbestimmungsvorrichtung, Nebelbestimmungsverfahren und Nebelbestimmungsprogramm
DE102018210885B4 (de) * 2018-07-03 2023-07-20 Audi Ag Verfahren und System zum Einleiten einer Sicherheitsvorkehrung eines Kraftfahrzeugs und Kraftfahrzeug
DE102019132613B4 (de) 2019-06-03 2024-05-29 Preh Gmbh Optoelektronische Detektionseinrichtung
US12270950B2 (en) 2020-04-28 2025-04-08 Ouster, Inc. LIDAR system with fog detection and adaptive response
CN113565656A (zh) * 2021-08-12 2021-10-29 王娟 光电雾气、灰尘检测器及安装该检测器的滤清器和汽车
DE102023102830A1 (de) 2023-02-06 2024-08-08 HELLA GmbH & Co. KGaA Verfahren sowie Sensoranordnung zur Erfassung von Aerosolen in der Umgebungsluft eines Fahrzeuges

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