BR112015030348A2 - método e sistema para estimar a fricção potencial entre um pneu e uma superfície de rolamento - Google Patents

método e sistema para estimar a fricção potencial entre um pneu e uma superfície de rolamento

Info

Publication number
BR112015030348A2
BR112015030348A2 BR112015030348A BR112015030348A BR112015030348A2 BR 112015030348 A2 BR112015030348 A2 BR 112015030348A2 BR 112015030348 A BR112015030348 A BR 112015030348A BR 112015030348 A BR112015030348 A BR 112015030348A BR 112015030348 A2 BR112015030348 A2 BR 112015030348A2
Authority
BR
Brazil
Prior art keywords
friction
tire
engaged
estimating
kinematic
Prior art date
Application number
BR112015030348A
Other languages
English (en)
Other versions
BR112015030348B1 (pt
Inventor
Leo Elisabetta
Ezio Pezzola Marco
Original Assignee
Pirelli
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 Pirelli filed Critical Pirelli
Publication of BR112015030348A2 publication Critical patent/BR112015030348A2/pt
Publication of BR112015030348B1 publication Critical patent/BR112015030348B1/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/02—Measuring coefficient of friction between materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • 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
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
    • B60T2210/10—Detection or estimation of road conditions
    • B60T2210/12—Friction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Regulating Braking Force (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Tires In General (AREA)

Abstract

1 / 1 resumo "mã‰todo e sistema para estimar a fricã‡ãƒo potencial entre um pneu e uma superfãcie de rolamento" a presente invenã§ã£o se refere a um mã©todo e sistema (100) para estimar a fricã§ã£o potencial entre um pneu e uma superfã­cie de rolamento em que: • - uma primeira e uma segunda curvas de referãªncia de fricã§ã£o engatada/quantidade cinemã¡tica respectivamente correspondentes a um primeiro e a um segundo valor de referãªncia  ,  de fricã§ã£o potencial com p1 p2  >  sã£o providas; • - um primeiro e um segundo valor limite de p2 p1 quantidade cinemã¡tica ou um primeiro e um segundo valor limite de fricã§ã£o engatada sã£o providos; • - a fricã§ã£o engatada entre o pneu e a superfã­cie de rolamento ã© determinada; • - um valor atual de uma quantidade cinemã¡tica entre o pneu e a superfã­cie de rolamento ã© determinado; • - um ponto de trabalho atual, dado pela fricã§ã£o engatada  e o valor atual da quantidade cinemã¡tica ã© determinado; • - o valor atual da quantidade cinemã¡tica ã© comparado com o primeiro e o segundo valor limite de quantidade cinemã¡tica ou, respectivamente, a fricã§ã£o engatada 㩠em comparada com o primeiro e o segundo valor limite de fricã§ã£o engatada.
BR112015030348-0A 2013-06-14 2014-06-12 método e sistema para estimar a fricção potencial entre um pneu e uma superfície de rolamento BR112015030348B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT000983A ITMI20130983A1 (it) 2013-06-14 2013-06-14 Metodo e sistema per stimare l'attrito potenziale tra un pneumatico per veicoli ed una superficie di rotolamento
ITMI2013A000983 2013-06-14
PCT/IB2014/062159 WO2014199328A1 (en) 2013-06-14 2014-06-12 Method and system for estimating the potential friction between a vehicle tyre and a rolling surface

Publications (2)

Publication Number Publication Date
BR112015030348A2 true BR112015030348A2 (pt) 2017-07-25
BR112015030348B1 BR112015030348B1 (pt) 2021-02-02

Family

ID=49035691

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015030348-0A BR112015030348B1 (pt) 2013-06-14 2014-06-12 método e sistema para estimar a fricção potencial entre um pneu e uma superfície de rolamento

Country Status (8)

Country Link
US (1) US9746414B2 (pt)
EP (1) EP3008446B1 (pt)
JP (1) JP6093047B2 (pt)
CN (1) CN105378448B (pt)
BR (1) BR112015030348B1 (pt)
IT (1) ITMI20130983A1 (pt)
RU (1) RU2654650C2 (pt)
WO (1) WO2014199328A1 (pt)

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CN104691551B (zh) * 2015-03-24 2017-01-25 清华大学 一种基于电机与车轮耦合特性的路面附着系数估计方法
USD800382S1 (en) 2015-09-15 2017-10-17 Nicoventures Holdings Limited Electronic cigarette vaporizer
DE102016201937A1 (de) 2016-02-09 2017-08-10 Continental Teves Ag & Co. Ohg Verfahren zur Bestimmung der Anfangssteigung einer Bremsmoment-Schlupf-Kennlinie
DE102016203545B4 (de) 2016-03-03 2024-11-07 Continental Automotive Technologies GmbH Verfahren zur Bestimmung von Fahrbahngriffigkeitsklassen
DE102016214065A1 (de) * 2016-07-29 2018-02-01 Zf Friedrichshafen Ag Bestimmung einer maximalen Kraftschlussgrenze
DE102018132157B3 (de) * 2018-12-13 2020-06-18 Nira Dynamics Ab Reifensteifigkeitsschätzung und Fahrbahnreibungsschätzung
IT202100000512A1 (it) 2021-01-13 2022-07-13 Megaride Srl Dispositivo e metodo per la stima in tempo reale dell'aderenza disponibile con la strada
US20230060578A1 (en) * 2021-08-30 2023-03-02 The Goodyear Tire & Rubber Company Road condition monitoring system

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JPH0640051B2 (ja) * 1986-04-30 1994-05-25 マツダ株式会社 走行路面状態判別装置
JP2725332B2 (ja) * 1988-12-24 1998-03-11 アイシン精機株式会社 アンチロック制御装置
US5216608A (en) 1990-01-25 1993-06-01 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Apparatus and a method for estimating the friction coefficient of a road surface and controlling a driving condition of a vehicle in accordance with the estimated friction coefficient
JPH0516780A (ja) * 1991-07-15 1993-01-26 Mazda Motor Corp 車両のスリツプ制御装置
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EP2514640B1 (en) * 2001-12-21 2015-08-05 Kabushiki Kaisha Bridgestone Method and apparatus for estimation of road condition and tire running state, ABS and car control making use thereof
DE10208815B4 (de) * 2002-03-01 2011-05-19 Continental Teves Ag & Co. Ohg Verfahren zum Ermitteln eines maximalen Reibwertes
DE60300521T2 (de) * 2002-06-13 2006-02-23 Société de Technologie Michelin Stabilitätsregelungssystem eines Fahrzeuges unter Verwendung einer für alle Reifen charakteristischen Invarianzfunktion
FR2841827A1 (fr) * 2002-07-04 2004-01-09 Michelin Soc Tech Estimation de l'usure d'un pneu
JP3855886B2 (ja) * 2002-08-29 2006-12-13 トヨタ自動車株式会社 路面状態変化推定装置およびこれを搭載する自動車
US6662898B1 (en) * 2002-10-16 2003-12-16 Ford Global Technologies, Llc Tire side slip angle control for an automotive vehicle using steering actuators
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US8498775B2 (en) * 2011-01-10 2013-07-30 GM Global Technology Operations LLC Linear and non-linear identification of the longitudinal tire-road friction coefficient

Also Published As

Publication number Publication date
RU2654650C2 (ru) 2018-05-21
EP3008446A1 (en) 2016-04-20
US9746414B2 (en) 2017-08-29
BR112015030348B1 (pt) 2021-02-02
CN105378448A (zh) 2016-03-02
RU2015156602A (ru) 2017-07-20
WO2014199328A1 (en) 2014-12-18
EP3008446B1 (en) 2017-08-09
RU2015156602A3 (pt) 2018-03-22
ITMI20130983A1 (it) 2014-12-15
JP6093047B2 (ja) 2017-03-08
CN105378448B (zh) 2017-03-29
JP2016526499A (ja) 2016-09-05
US20160123866A1 (en) 2016-05-05

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/06/2014, OBSERVADAS AS CONDICOES LEGAIS.