DE602008006103D1 - Optische Vorrichtung für Kraftfahrzeuge zum Erkennen des Zustands der Straßendecke - Google Patents

Optische Vorrichtung für Kraftfahrzeuge zum Erkennen des Zustands der Straßendecke

Info

Publication number
DE602008006103D1
DE602008006103D1 DE602008006103T DE602008006103T DE602008006103D1 DE 602008006103 D1 DE602008006103 D1 DE 602008006103D1 DE 602008006103 T DE602008006103 T DE 602008006103T DE 602008006103 T DE602008006103 T DE 602008006103T DE 602008006103 D1 DE602008006103 D1 DE 602008006103D1
Authority
DE
Germany
Prior art keywords
road surface
condition
motor vehicles
optical device
map
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.)
Active
Application number
DE602008006103T
Other languages
English (en)
Inventor
Davide Capello
Nereo Pallaro
Luca Liotti
Luca Guglielmetto
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.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
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 Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Publication of DE602008006103D1 publication Critical patent/DE602008006103D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06—Road conditions
    • B60W40/068—Road friction coefficient
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N21/3151—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using two sources of radiation of different wavelengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0627—Use of several LED's for spectral resolution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Toxicology (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Transportation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE602008006103T 2008-12-09 2008-12-09 Optische Vorrichtung für Kraftfahrzeuge zum Erkennen des Zustands der Straßendecke Active DE602008006103D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425784A EP2196792B1 (de) 2008-12-09 2008-12-09 Optische Vorrichtung für Kraftfahrzeuge zum Erkennen des Zustands der Straßendecke

Publications (1)

Publication Number Publication Date
DE602008006103D1 true DE602008006103D1 (de) 2011-05-19

Family

ID=40535607

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008006103T Active DE602008006103D1 (de) 2008-12-09 2008-12-09 Optische Vorrichtung für Kraftfahrzeuge zum Erkennen des Zustands der Straßendecke

Country Status (4)

Country Link
US (1) US8350910B2 (de)
EP (1) EP2196792B1 (de)
AT (1) ATE504823T1 (de)
DE (1) DE602008006103D1 (de)

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CA2782180C (en) * 2009-12-22 2015-05-05 Leddartech Inc. Active 3d monitoring system for traffic detection
DE102011015509A1 (de) * 2010-06-30 2012-01-05 Wabco Gmbh Verfahren und Vorrichtung zur Steuerung zumindest eines Fahrerassistenzsystems eines Fahrzeuges und damit ausgestattetes Fahrzeug
DE102010025721A1 (de) * 2010-06-30 2012-01-05 Wabco Gmbh Verfahren und Vorrichtung zur Bestimmung der Helligkeit in der Umgebung eines Fahrzeuges
US8908159B2 (en) 2011-05-11 2014-12-09 Leddartech Inc. Multiple-field-of-view scannerless optical rangefinder in high ambient background light
JP5272042B2 (ja) * 2011-05-12 2013-08-28 富士重工業株式会社 環境認識装置および環境認識方法
CA2839194C (en) 2011-06-17 2017-04-18 Leddartech Inc. System and method for traffic side detection and characterization
EP2574511B1 (de) * 2011-09-30 2016-03-16 Honda Research Institute Europe GmbH Analyse von Straßenoberflächen
EP2820632B8 (de) 2012-03-02 2017-07-26 Leddartech Inc. System und verfahren zur mehrzweck-verkehrserkennung und -charakterisierung
DE102012024874B4 (de) * 2012-12-19 2014-07-10 Audi Ag Verfahren und Vorrichtung zum prädikativen Ermitteln eines Parameterwertes einer von einem Fahrzeug befahrbaren Oberfläche
US20140247349A1 (en) * 2013-03-04 2014-09-04 GM Global Technology Operations LLC Integrated lighting, camera and sensor unit
WO2015060899A1 (en) 2013-10-24 2015-04-30 The Regents Of The University Of Michigan Ice and supercooled water detection system
BR112016009206B1 (pt) * 2013-10-24 2022-03-29 The Regents Of The University Of Michigan Sistema de detecção de gelo e água
US20170072834A1 (en) * 2014-03-03 2017-03-16 G. Lufft Mess- Und Regeltechnik Gmbh Vehicle headlight with a device for determining road conditions and a system for monitoring road conditions
US10488492B2 (en) 2014-09-09 2019-11-26 Leddarttech Inc. Discretization of detection zone
US10336465B2 (en) 2016-01-08 2019-07-02 The Regents Of The University Of Michigan Ice crystals and volcanic ash detection system
DE102016209831A1 (de) * 2016-06-03 2017-12-07 Bayerische Motoren Werke Aktiengesellschaft System und Verfahren zur verbesserten Warnung vor Glätte
US10773725B1 (en) 2017-08-25 2020-09-15 Apple Inc. Tire-road friction estimation and mapping
US10621865B2 (en) * 2018-03-29 2020-04-14 The Regents Of The University Of Michigan Road condition monitoring system
US10508952B1 (en) 2018-10-31 2019-12-17 The Regents Of The University Of Michigan Optimum spectral bands for active vision systems
FR3098892B1 (fr) * 2019-07-16 2021-07-02 Valeo Vision Dispositif lumineux de véhicule automobile
FI20195751A1 (en) * 2019-09-11 2021-03-12 Roadcloud Oy Calibration of sensors for road surface monitoring
GB2587628B (en) * 2019-10-01 2021-10-27 Tracsense As Surface condition sensor
US12007248B2 (en) * 2022-03-03 2024-06-11 Ford Global Technologies, Llc Ice thickness estimation for mobile object operation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008280A1 (de) * 1990-03-15 1991-09-19 Tzn Forschung & Entwicklung Verfahren zur ermittlung des fahrbahnoberflaechenzustandes
DE4040842A1 (de) 1990-08-04 1992-02-06 Telefunken Systemtechnik Infrarot-mikrowellen-sensorsystem zur erkennung des fahrbahnzustandes
DE4133359C2 (de) * 1991-10-09 1997-01-02 Porsche Ag Verfahren zur Messung der Dicke einer auf einer Fahrbahn vorhandenen Wasserschicht und Verwendung einer Vorrichtung hierfür
US5586028A (en) * 1993-12-07 1996-12-17 Honda Giken Kogyo Kabushiki Kaisha Road surface condition-detecting system and anti-lock brake system employing same
US5497100A (en) * 1994-10-17 1996-03-05 Hughes Aircraft Company Surface condition sensing system
DE29825238U1 (de) * 1998-04-09 2006-12-07 Daimlerchrysler Ag Anordnung zur Fahrbahnzustandserkennung
FR2826727B1 (fr) * 2001-06-29 2004-05-28 Valeo Vision Procede et dispositif pour detecter l'etat d'humidite d'une route sur laquelle circule un vehicule
SE524878C2 (sv) * 2002-10-10 2004-10-19 Ulf Elman Anordning, metod och system för att bestämma en vägytas tillstånd med våglängdsmodulerad spektrometri
US6807473B1 (en) 2003-04-09 2004-10-19 Continental Teves, Inc. Road recognition system
DE102004001046B4 (de) * 2004-01-03 2012-03-01 Thomas Huth-Fehre Sensor für Verkehrswegsoberflächen
EP1635163B1 (de) * 2004-09-09 2017-05-31 Volkswagen Aktiengesellschaft Kraftfahrzeug mit einer Vorrichtung zur Bestimmung der Beschaffenheit einer Oberfläche einer Fahrbahn
US20070000659A1 (en) * 2005-06-29 2007-01-04 Schlanger Steven E Vehicle environmental control system and related method

Also Published As

Publication number Publication date
EP2196792A1 (de) 2010-06-16
US8350910B2 (en) 2013-01-08
US20100141765A1 (en) 2010-06-10
EP2196792B1 (de) 2011-04-06
ATE504823T1 (de) 2011-04-15

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