ATE504823T1 - 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
ATE504823T1
ATE504823T1 AT08425784T AT08425784T ATE504823T1 AT E504823 T1 ATE504823 T1 AT E504823T1 AT 08425784 T AT08425784 T AT 08425784T AT 08425784 T AT08425784 T AT 08425784T AT E504823 T1 ATE504823 T1 AT E504823T1
Authority
AT
Austria
Prior art keywords
road surface
condition
motor vehicles
optical device
map
Prior art date
Application number
AT08425784T
Other languages
English (en)
Inventor
Davide Capello
Nereo Pallaro
Luca Liotti
Luca Guglielmetto
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Application granted granted Critical
Publication of ATE504823T1 publication Critical patent/ATE504823T1/de

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)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Immunology (AREA)
  • Mathematical Physics (AREA)
  • Transportation (AREA)
  • Toxicology (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT08425784T 2008-12-09 2008-12-09 OPTISCHE VORRICHTUNG FÜR KRAFTFAHRZEUGE ZUM ERKENNEN DES ZUSTANDS DER STRAßENDECKE ATE504823T1 (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
ATE504823T1 true ATE504823T1 (de) 2011-04-15

Family

ID=40535607

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08425784T ATE504823T1 (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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CN102959599B (zh) * 2009-12-22 2015-07-15 莱达科技股份有限公司 用于交通检测的主动3d监控系统
DE102010025721A1 (de) * 2010-06-30 2012-01-05 Wabco Gmbh Verfahren und Vorrichtung zur Bestimmung der Helligkeit in der Umgebung eines Fahrzeuges
DE102011015509A1 (de) * 2010-06-30 2012-01-05 Wabco Gmbh Verfahren und Vorrichtung zur Steuerung zumindest eines Fahrerassistenzsystems eines Fahrzeuges und damit ausgestattetes Fahrzeug
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
EP2721593B1 (de) 2011-06-17 2017-04-05 Leddartech Inc. System und verfahren zur verkehrsseitenerkennung und -charakterisierung
EP2574511B1 (de) 2011-09-30 2016-03-16 Honda Research Institute Europe GmbH Analyse von Straßenoberflächen
US9235988B2 (en) 2012-03-02 2016-01-12 Leddartech Inc. System and method for multipurpose traffic detection and characterization
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
US9304081B2 (en) * 2013-10-24 2016-04-05 The Regents Of The University Of Michigan Ice and water detection system
WO2015060899A1 (en) 2013-10-24 2015-04-30 The Regents Of The University Of Michigan Ice and supercooled water detection system
EP3113979A1 (de) * 2014-03-03 2017-01-11 G. Lufft Mess- und Regeltechnik GmbH Fahrzeugscheinwerfer mit einer vorrichtung zum bestimmen von strassenverhältnissen und system zur überwachung von strassenverhältnissen
WO2016038536A1 (en) 2014-09-09 2016-03-17 Leddartech 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

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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
EP2196792B1 (de) 2011-04-06
US20100141765A1 (en) 2010-06-10
EP2196792A1 (de) 2010-06-16
US8350910B2 (en) 2013-01-08
DE602008006103D1 (de) 2011-05-19

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