GB2435102B - Friction estimation for vehicle control systems - Google Patents

Friction estimation for vehicle control systems

Info

Publication number
GB2435102B
GB2435102B GB0602796A GB0602796A GB2435102B GB 2435102 B GB2435102 B GB 2435102B GB 0602796 A GB0602796 A GB 0602796A GB 0602796 A GB0602796 A GB 0602796A GB 2435102 B GB2435102 B GB 2435102B
Authority
GB
United Kingdom
Prior art keywords
vehicle control
control systems
friction estimation
estimation
friction
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.)
Expired - Fee Related
Application number
GB0602796A
Other versions
GB2435102A (en
GB0602796D0 (en
Inventor
Matthew J Hancock
Francis Assadian
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Priority to GB0602796A priority Critical patent/GB2435102B/en
Publication of GB0602796D0 publication Critical patent/GB0602796D0/en
Priority to DE102007003397A priority patent/DE102007003397A1/en
Publication of GB2435102A publication Critical patent/GB2435102A/en
Application granted granted Critical
Publication of GB2435102B publication Critical patent/GB2435102B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
GB0602796A 2006-02-11 2006-02-11 Friction estimation for vehicle control systems Expired - Fee Related GB2435102B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0602796A GB2435102B (en) 2006-02-11 2006-02-11 Friction estimation for vehicle control systems
DE102007003397A DE102007003397A1 (en) 2006-02-11 2007-01-23 Friction estimation for vehicle control systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0602796A GB2435102B (en) 2006-02-11 2006-02-11 Friction estimation for vehicle control systems

Publications (3)

Publication Number Publication Date
GB0602796D0 GB0602796D0 (en) 2006-03-22
GB2435102A GB2435102A (en) 2007-08-15
GB2435102B true GB2435102B (en) 2011-01-12

Family

ID=36119926

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0602796A Expired - Fee Related GB2435102B (en) 2006-02-11 2006-02-11 Friction estimation for vehicle control systems

Country Status (2)

Country Link
DE (1) DE102007003397A1 (en)
GB (1) GB2435102B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007039176B4 (en) * 2007-08-20 2010-04-08 Continental Automotive Gmbh Method for determining the coefficient of friction of a vehicle tire relative to the ground
DE102009000720A1 (en) * 2009-02-09 2010-08-12 Zf Friedrichshafen Ag Method for operating a drive train
EP2838772B1 (en) 2012-04-18 2016-04-27 Eaton Corporation Method and apparatus for real time estimation of road surface friction coefficient
JP6584779B2 (en) * 2015-01-28 2019-10-02 Ntn株式会社 Vehicle attitude control device
DE102016220415A1 (en) 2016-10-18 2018-04-19 Audi Ag Estimation method for the coefficient of friction of a hydraulic brake system
IT202100000512A1 (en) 2021-01-13 2022-07-13 Megaride Srl DEVICE AND METHOD FOR REAL-TIME ESTIMATION OF THE GRIP AVAILABLE WITH THE ROAD

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201522A1 (en) * 2000-10-31 2002-05-02 Fuji Jukogyo Kabushiki Kaisha Road friction coefficient estimating apparatus for vehicle
EP1510428A2 (en) * 2003-08-26 2005-03-02 Fuji Jukogyo Kabushiki Kaisha Road surface frictional coefficient estimating apparatus
EP1627790A1 (en) * 2004-08-19 2006-02-22 HONDA MOTOR CO., Ltd. Estimating method for road friction coefficient and vehicle slip angle estimating method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201522A1 (en) * 2000-10-31 2002-05-02 Fuji Jukogyo Kabushiki Kaisha Road friction coefficient estimating apparatus for vehicle
EP1510428A2 (en) * 2003-08-26 2005-03-02 Fuji Jukogyo Kabushiki Kaisha Road surface frictional coefficient estimating apparatus
EP1627790A1 (en) * 2004-08-19 2006-02-22 HONDA MOTOR CO., Ltd. Estimating method for road friction coefficient and vehicle slip angle estimating method

Also Published As

Publication number Publication date
GB2435102A (en) 2007-08-15
GB0602796D0 (en) 2006-03-22
DE102007003397A1 (en) 2007-08-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210211