ES2108378T3 - Sistema de frenado de vehiculos. - Google Patents

Sistema de frenado de vehiculos.

Info

Publication number
ES2108378T3
ES2108378T3 ES94302397T ES94302397T ES2108378T3 ES 2108378 T3 ES2108378 T3 ES 2108378T3 ES 94302397 T ES94302397 T ES 94302397T ES 94302397 T ES94302397 T ES 94302397T ES 2108378 T3 ES2108378 T3 ES 2108378T3
Authority
ES
Spain
Prior art keywords
friction
default
comparison
pressure
wheels
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 - Lifetime
Application number
ES94302397T
Other languages
English (en)
Inventor
Robert David Prescott
Colin Ford Ross
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.)
Grau Ltd
Original Assignee
Grau Ltd
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 Grau Ltd filed Critical Grau Ltd
Application granted granted Critical
Publication of ES2108378T3 publication Critical patent/ES2108378T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • B60T8/1764—Regulation during travel on surface with different coefficients of friction, e.g. between left and right sides, mu-split or between front and rear
    • 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
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/323—Systems specially adapted for tractor-trailer combinations
    • 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
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/361—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force wherein the pilot valve is mounted in a circuit controlling an auxiliary fluid system
    • 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
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/50—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition having means for controlling the rate at which pressure is reapplied to or released from the brake
    • B60T8/505—Pressure reapplication in a mu-split situation, i.e. a situation with different coefficients of friction on both sides of the vehicle
    • 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
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/58—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
    • 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
    • B60T2210/124—Roads with different friction levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Regulating Braking Force (AREA)

Abstract

UN SISTEMA DE FRENOS DE UN VEHICULO COMPRENDE UN CONTROLADOR SENSIBLE A LAS SEÑALES DE VELOCIDAD DE LAS RUEDAS DESDE AL MENOS DOS SENSORES DE VELOCIDAD DE RUEDA, PARA DETECTAR LAS CONDICIONES DE DESLIZAMIENTO DE AL MENOS DOS RUEDAS, Y PARA GENERAR SEÑALES DE CONTROL DE DESLIZAMIENTO, UN MULTITUD DE FRENOS DE RUEDA SENSIBLES A LA PRESION DE FLUIDO, MAS ADELANTE REFERIDA COMO PRESION DE FRENADA APLICADA A ELLOS, UNOS MEDIOS DE SUMINISTRO, QUE COMPRENDEN UNA VALVULA DE SUMINISTRO COMUN, PARA SUMINISTRAR PRESION DE FRENADO A DICHOS FRENOS A PARTIR DE UN SUMINISTRO DE PRESION DE FLUIDO DE ACUERDO CON UNA SEÑAL DE ACCIONAMIENTO DE FRENOS Y UNOS MEDIOS DE CONTROL DE DESLIZAMIENTO CONTROLADOS POR DICHAS INSTRUCCIONES DE CONTROL DE DESLIZAMIENTO PARA CONTROLAR LA PRESION DE FRENADO EN UNA PLURALIDAD DE CICLOS CADA UNO DE LOS CUALES COMPRENDE UNA FASE DE REDUCCION DE PRESION Y UNA FASE DE AUMENTO DE PRESION, Y UNOS MEDIOS DE COMPARACION PRIMARIOS PARA COMPARAR EL COEFICIENTE DE FRICCION DE LA SUPERFICIE DE FRICCION INFERIOR CON UN UMBRAL PREDETERMINADO Y/O UNOS MEDIOS DE COMPARACION SECUNDARIOS PARA COMPARAR LOS VALORES RELATIVOS DE LOS COEFICIENTES DE FRICCION DE LAS SUPERFICIES CON LAS QUE AL MENOS DOS DE LAS RUEDAS ESTAN ENGARZADAS Y MEDIOS PARA ACCIONAR LOS ELEMENTOS DE CONTROL DE DESLIZAMIENTO EN UN MODO DE SELECCION BAJO SI DICHOS ELEMENTOS DE COMPARACION DETERMINAN QUE A) EL COEFICIENTE DE FRICCION DE LA SUPERFICIE DE FRICCION INFERIOR ESTA POR ENCIMA DE UN NIVEL ABSOLUTO PREDETERMINADO, Y/O B) LOS COEFICIENTES DE FRICCION DE LAS SUPERFICIES CON LAS QUE AL MENOS DOS RUEDAS ESTAN ENGARZADAS DIFIEREN DE UN TOTAL PREDETERMINADO, Y UN MODO ALTO DE SELECCION SI DICHOS MEDIOS DE COMPARACION DETERMINAN QUE A) EL COEFICIENTE DE FRICCION DE LAS SUPERFICIES DE FRICCION INFERIORES ESTAN EN UN NIVEL ABSOLUTO PREDETERMINADO O POR DEBAJO DE EL, Y/O B) LOS COEFICIENTES DE FRICCION DE DICHAS SUPERFICIES DIFIEREN AL MENOS EN DICHA CANTIDAD PREDETERMINADA.
ES94302397T 1993-04-03 1994-04-05 Sistema de frenado de vehiculos. Expired - Lifetime ES2108378T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939306979A GB9306979D0 (en) 1993-04-03 1993-04-03 Vehicle braking system

Publications (1)

Publication Number Publication Date
ES2108378T3 true ES2108378T3 (es) 1997-12-16

Family

ID=10733291

Family Applications (2)

Application Number Title Priority Date Filing Date
ES97101215T Expired - Lifetime ES2157491T3 (es) 1993-04-03 1994-04-05 Sistema de frenado de vehiculo.
ES94302397T Expired - Lifetime ES2108378T3 (es) 1993-04-03 1994-04-05 Sistema de frenado de vehiculos.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES97101215T Expired - Lifetime ES2157491T3 (es) 1993-04-03 1994-04-05 Sistema de frenado de vehiculo.

Country Status (6)

Country Link
US (1) US5421644A (es)
EP (2) EP0619209B1 (es)
JP (1) JP3061527B2 (es)
DE (2) DE69426893T2 (es)
ES (2) ES2157491T3 (es)
GB (2) GB9306979D0 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08258588A (ja) * 1995-03-27 1996-10-08 Mazda Motor Corp 車両における路面状態検出装置
GB9509740D0 (en) * 1995-05-13 1995-07-05 Grau Ltd Vehicle braking system
GB2315308B (en) * 1995-05-13 1999-09-29 Grau Ltd Vehicle braking system
GB2307526A (en) * 1995-11-27 1997-05-28 Lucas Ind Plc A braking system for a vehicle
DE59710307D1 (de) * 1996-12-02 2003-07-24 Bosch Gmbh Robert Verfahren und vorrichtung zur einstellung der bremswirkung bei einem fahrzeug
GB2323138A (en) * 1997-03-12 1998-09-16 Lucas Ind Plc An electronic braking system, for vehicles, having anti-lock control
DE19723323A1 (de) * 1997-06-04 1998-12-10 Wabco Gmbh Verfahren zur Abbremsung eines Fahrzeuges
JP3597672B2 (ja) * 1997-06-05 2004-12-08 三菱電機株式会社 アンチスキッドブレーキ制御装置
US6663113B2 (en) 1998-10-09 2003-12-16 Robert Bosch Gmbh System and method for reducing stopping distance and improving traction in motor vehicles
DE10192411D2 (de) * 2000-06-10 2003-05-22 Bosch Gmbh Robert Verfahren und Vorrichtung zur Einstellung der Bremswirkung bei einem Fahrzeug
DE10247722A1 (de) * 2002-10-12 2004-05-06 Wabco Gmbh & Co. Ohg Verfahren zur Steuerung der Bremsanlage eines Fahrzeugzuges
WO2004076254A1 (en) * 2003-02-24 2004-09-10 Bendix Commercial Vehicle Systems Llc Electro-pneumatic latching valve system
US7354118B2 (en) 2005-02-25 2008-04-08 Bendix Commercial Vehicle Systems, Inc. Control valve system
US9652903B2 (en) * 2015-05-05 2017-05-16 Bendix Commercial Vehicle Systems Llc Method and apparatus for determining a wheel end condition
WO2016195691A1 (en) * 2015-06-04 2016-12-08 Lubanski Jeffrey Marker with reverse clip cap
US10589728B2 (en) * 2018-04-03 2020-03-17 Bendix Commercial Vehicle Systems Llc System and method for controlling wheel brakes on a trailer in a tractor-trailer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243260A1 (de) * 1972-09-02 1974-03-07 Teldix Gmbh Antiblockierregelsystem fuer die gemeinsame regulierung des bremsdruckes an mehreren raedern
US3794389A (en) * 1972-12-21 1974-02-26 Bendix Corp Adaptive braking system
DE2429555A1 (de) * 1974-06-20 1976-01-08 Bosch Gmbh Robert Antiblockierregelsystem fuer druckmittelbetaetigte fahrzeugbremsen
DE2518196C2 (de) * 1975-04-24 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart Steueranordnung in einem Antiblockierregelsystem für Fahrzeuge
DE2610585A1 (de) * 1976-03-13 1977-09-15 Bosch Gmbh Robert Blockierschutz-regeleinrichtung fuer kraftfahrzeuge
DE2705737A1 (de) * 1977-02-11 1978-08-17 Wabco Westinghouse Gmbh Verfahren und einrichtung zur ueberwachung des fahrzustandes von fahrzeugen, die mit antiblockier-regelanlagen ausgeruestet sind
GB1581943A (en) * 1977-04-12 1980-12-31 Bosch Gmbh Robert Anti-lock ontrol systems for braking systems for vehicles
DE3313097A1 (de) * 1983-04-12 1984-10-18 Robert Bosch Gmbh, 7000 Stuttgart Antiblockierregelsystem
JPS60596A (ja) * 1983-06-16 1985-01-05 株式会社デンソー 路面状態識別装置
JPS6164570A (ja) * 1984-09-04 1986-04-02 Akebono Brake Ind Co Ltd アンチスキツド制御方法
GB8711303D0 (en) * 1987-05-13 1987-06-17 Lucas Ind Plc Anti-skid braking systems
DE3733801A1 (de) * 1987-09-21 1989-03-30 Wabco Westinghouse Fahrzeug Antiblockiersystem fuer fahrzeuge
JP2767271B2 (ja) * 1989-02-28 1998-06-18 曙ブレーキ工業株式会社 車両のアンチロック制御方法
JP3021463B2 (ja) * 1989-03-27 2000-03-15 アイシン精機株式会社 アンチロック制御装置

Also Published As

Publication number Publication date
EP0619209B1 (en) 1997-09-03
DE69426893D1 (de) 2001-04-19
GB9306979D0 (en) 1993-05-26
EP0778188B1 (en) 2001-03-14
DE69426893T2 (de) 2001-06-21
GB2276687A (en) 1994-10-05
JPH0747949A (ja) 1995-02-21
JP3061527B2 (ja) 2000-07-10
ES2157491T3 (es) 2001-08-16
EP0778188A1 (en) 1997-06-11
GB9406671D0 (en) 1994-05-25
US5421644A (en) 1995-06-06
EP0619209A1 (en) 1994-10-12
DE69405278T2 (de) 1998-04-02
DE69405278D1 (de) 1997-10-09

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