WO2000009374A1 - Unite pedale pour un systeme de freinage electromecanique - Google Patents

Unite pedale pour un systeme de freinage electromecanique Download PDF

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Publication number
WO2000009374A1
WO2000009374A1 PCT/EP1999/005871 EP9905871W WO0009374A1 WO 2000009374 A1 WO2000009374 A1 WO 2000009374A1 EP 9905871 W EP9905871 W EP 9905871W WO 0009374 A1 WO0009374 A1 WO 0009374A1
Authority
WO
WIPO (PCT)
Prior art keywords
pedal
brake
sensors
actuation device
clutch
Prior art date
Application number
PCT/EP1999/005871
Other languages
German (de)
English (en)
Inventor
Peter Rieth
Stefan STÖLZL
Joachim Nell
Jochen Knab
Original Assignee
Continental Teves Ag & Co. Ohg
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 Continental Teves Ag & Co. Ohg filed Critical Continental Teves Ag & Co. Ohg
Publication of WO2000009374A1 publication Critical patent/WO2000009374A1/fr

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/36—Mounting units comprising an assembly of two or more pedals, e.g. for facilitating mounting
    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/38—Controlling members actuated by foot comprising means to continuously detect pedal position
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
    • 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position
    • 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/12—Brake pedal position
    • 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/14—Clutch pedal position

Definitions

  • the invention relates to a pedal unit, in particular for an electromechanical brake system, e.g. Brake-by-wire (BbW) brake system, with at least one brake actuation device, and with at least one displacement sensor on the brake actuation device and at least one associated electronic brake evaluation unit, the displacement sensor emitting a sensor signal to trigger one or more actuators when the brake actuation device is acted on.
  • an electromechanical brake system e.g. Brake-by-wire (BbW) brake system
  • BbW Brake-by-wire
  • a pedal unit of the construction described in the introduction has become known from EP-A-07 71 705.
  • the one or more actuators are usually a brake or a device for actuating a downstream brake.
  • Electromechanical brake systems of this type are usually tracked in order to convert a vehicle brake system from hydraulic to electrical actuation. The advantages associated with this are essentially to be seen in better environmental compatibility, less maintenance and (in principle) better and more precise usability.
  • the driver actuates only the brake actuation device when braking, which can be designed as an electromechanical pedal or a corresponding footplate.
  • the corresponding sensor information or sensor signals are transmitted to the electronic evaluation unit or brake evaluation unit, from which brake setpoints for the actuators or the brake are derived. If the evaluation electronics or the sensor fail, no further driving is generally possible because the evaluation unit issues a corresponding error message in such a case.
  • the invention is based on the technical problem, a pedal unit of the construction described above to ensure that complete protection of the sensors and electronics is ensured with a compact structure at the same time.
  • the invention proposes, in the case of a generic pedal unit, that two or more independent displacement sensors with associated, each separately designed, brake evaluation unit are arranged in a common pedal housing, preferably in separate chambers.
  • the pedal housing protects against mechanical force, dirt, moisture, electromagnetic radiation and high temperature fluctuations.
  • this provides a compact, self-contained unit that can be installed in the vehicle as a module, as it were.
  • a reset device that can be acted upon by the brake actuation device can also be arranged in the pedal housing.
  • This reset device is used in a known manner to represent a preferably progressive braking force curve with increasing actuation distance. It is preferably designed as a coil spring / damper unit.
  • a gas actuation device and optionally a clutch actuation device with associated gas and clutch sensors as well as gas and clutch evaluation units. These gas and clutch sensors, as well as the gas and clutch evaluation units are each carried out at least twice and separately from one another, as is already tracked with the displacement sensors and the brake evaluation units.
  • both the gas actuation device and the clutch actuation device are assigned respective reset devices. These serve to represent an actuation force / travel curve for the accelerator pedal and / or the clutch pedal - similar to the brake pedal. All of the aforementioned sensors and evaluation units are arranged in the common pedal housing. Again, as already described, separate chambers can be used.
  • the reliability can be further increased by preferably two or more independent power supplies with power supply lines for the
  • Evaluation units and, if necessary, are provided for the sensors. If, in addition, at least two signal / control lines, in particular bus lines, which are separate from one another, each with a plug and socket on the pedal housing, are implemented, an overall redundant structure is ensured. Because the complete sensor systems and associated electronic evaluation units with the corresponding power supplies and supply lines are completely separate from each other. Even a failure of one or Several links of this chain do not lead to failure of the pedal unit according to the invention due to the consequent double design.
  • the pedal housing can advantageously be fastened in the footwell of a motor vehicle (motor vehicle), in particular on the bulkhead which separates the passenger compartment and the engine compartment. That is, the pedal unit is arranged in the immediate vicinity of the brake actuation device or the brake pedal, the gas actuation device or the gas pedal, and the clutch actuation device or the clutch pedal.
  • ECU electronice control unit
  • displacement sensor signals in particular are available in electronic form means that these can be evaluated with regard to the braking characteristic.
  • the resetting device described can be a (screw) spring unit combined with a hydraulic damper.
  • the realization is also one
  • Metal bellows conceivable as a combined spring and damper element.
  • the invention is based on a
  • Figure 1 shows a first embodiment of the invention
  • Figure 2 shows a second embodiment of the invention.
  • the figures show a pedal unit for an electromechanical brake system, a so-called “brake-by-wire (BbW)" brake system according to the exemplary embodiment.
  • This has a brake actuation device 1, in the exemplary embodiment according to FIG. 1 a brake pedal or a footplate
  • a resetting device 2 which can be acted upon by the brake actuation device 1 or the footplate 1, for displaying a preferably progressive braking force curve with increasing actuation path s can be seen.
  • the reset device 2 has a (screw)
  • Spring / damper unit 3, 4 to represent a preferably progressive course of the braking force F with increasing actuation distance s.
  • a spring 3 and a damper 4 are provided per pedal 1, 15, 16. Because in addition to the brake pedal 1, an accelerator pedal 15 and / or a clutch pedal 16 are also shown. These also have an associated reset device 2.
  • a pedal housing 5 and a pedal rod 6 that can be acted upon by the brake actuation device 1.
  • a spring housing 7 realized, which receives the coil spring / damper unit 3, 4.
  • displacement sensors 8a and brake evaluation electronics 8b are implemented.
  • the displacement sensors 8a are not expressly shown and are practically assigned to the brake evaluation electronics 8b. They serve to detect the actuation travel s or pedal travel of the brake actuation device 1.
  • the displacement sensors 8a and the brake evaluation electronics 8b are each designed twice, for reasons of redundancy.
  • the brake evaluation electronics 8b can be connected to a data bus, which is only indicated in detail, and to a power supply via respective connection sockets 9.
  • a stop 10 for the pedal rod 6 is realized, which limits the stroke of the pedal rod 6.
  • a rubber ring 11 serves as a stop seal, against which the stop 10 bears.
  • the pedal rod 6 is guided out of the housing 5 by a slide bearing 12 and connected to the footplate 1, which in turn is connected to the housing 5 via a protective bellows 13.
  • One or two flanges 14 serve to fasten the housing 5 to a motor vehicle bulkhead and to support the bending moments that occur.
  • the displacement sensors 8a, the evaluation unit or brake evaluation unit 8b and the resetting device 2 are in the common pedal housing 5 arranged.
  • the displacement sensors 8a, like the associated brake evaluation units 8b, are each formed separately and can be accommodated in splash-water-proof chambers.
  • a gas actuation device 15 and optionally a clutch actuation device 16 with associated gas sensors 17a and clutch sensors 18a as well as gas evaluation units 17b and clutch evaluation units 18b can also be provided.
  • the gas sensors 17a and clutch sensors 18a like the gas evaluation units 17b and clutch evaluation units 18b, are each designed at least twice and separately from one another. All sensors 8a, 17a and 18a and the evaluation units 8b, 17b and 18b are arranged in the common pedal housing 5, optionally in separate chambers.
  • two mutually independent energy supplies with energy supply lines 20 are provided for the evaluation units 8b, 17b and 18b and optionally the sensors 8a, 17a and 18a.
  • At least two separate signal / control lines 19, in the exemplary embodiment bus lines, are implemented. These are each connected to the respective connection sockets 9 with a plug.
  • the gas sensor (s) 17a and the clutch sensor (s) 18a are designed here as rotation angle sensors and take rotary movements of the gas actuation device and Clutch actuator on.
  • the displacement sensor 8a is also a rotation angle sensor or displacement sensor.
  • the power supply lines 20 are combined with the signal / control lines 19 to form a combined supply / control line 19, 20, which in turn is connected to the connection sockets 9 by means of a plug 21.
  • the energy supplies can in particular be an exclusive and additional battery integrated in the actuating device, which increases the reliability.
  • the energy supplies can in particular be an exclusive and additional battery integrated in the actuating device, which increases the reliability.
  • two external batteries connected to the vehicle electrical system are also possible.
  • the redundancy of the energy supply is essential.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne une unité pédale destinée notamment à un système de freinage électromécanique, par exemple un système de freinage par câble. Cette unité pédale présente au moins un dispositif d'actionnement de frein (1) et au moins un détecteur de course (8a) placé sur ce dernier, ainsi qu'au moins une unité d'évaluation de freinage (8b) associée. Lorsque le dispositif d'actionnement de frein (1) est sollicité, le détecteur de course (8a) émet un signal pour déclencher un ou plusieurs éléments d'actionnement. Au moins deux détecteurs de course indépendants (8a) sont placés, avec leur unité d'évaluation de freinage respective (8b), séparée l'une de l'autre, dans un boîtier de pédale commun (5) de préférence dans des chambres séparées.
PCT/EP1999/005871 1998-08-13 1999-08-12 Unite pedale pour un systeme de freinage electromecanique WO2000009374A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19836690.6 1998-08-13
DE19836690A DE19836690A1 (de) 1998-08-13 1998-08-13 Pedaleinheit für eine elektromechanische Bremsanlage

Publications (1)

Publication Number Publication Date
WO2000009374A1 true WO2000009374A1 (fr) 2000-02-24

Family

ID=7877407

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/005871 WO2000009374A1 (fr) 1998-08-13 1999-08-12 Unite pedale pour un systeme de freinage electromecanique

Country Status (2)

Country Link
DE (1) DE19836690A1 (fr)
WO (1) WO2000009374A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5941608A (en) 1996-03-07 1999-08-24 Kelsey-Hayes Company Electronic brake management system with manual fail safe
JP2002192991A (ja) * 2000-12-14 2002-07-10 Luk Lamellen & Kupplungsbau Beteiligungs Kg ドライブトレインに設けられた自動クラッチ及び／又はオートマチックトランスミッションを備えた自動車
DE202004004454U1 (de) * 2004-03-22 2005-08-04 Ab Elektronik Gmbh Fahrpedal mit Lineartorquemotor hierfür
DE202004004455U1 (de) * 2004-03-22 2005-08-04 Ab Elektronik Gmbh Fahrpedal mit Linearsensor hierfür
US20050223836A1 (en) * 2004-03-30 2005-10-13 Gibson Jeffrey G Drive-by-wire assembly with strain gauge
DE102004039998B4 (de) 2004-08-18 2014-03-27 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Nutzfahrzeug mit mehreren, von mindestens einem elektronischen Steuergerät gesteuerten elektrischen Einrichtungen
DE102004059053A1 (de) * 2004-12-07 2006-06-08 Bayerische Motoren Werke Ag Kupplungspedal eines Kraftfahrzeugs
DE102007018962A1 (de) * 2007-04-21 2008-10-23 Bayerische Motoren Werke Aktiengesellschaft Kupplungspedal für ein Kraftfahrzeug
FR2930056A1 (fr) * 2008-04-15 2009-10-16 Coutier Moulage Gen Ind Pedalier de vehicule automobile.
DE102008063771A1 (de) * 2008-12-22 2010-06-24 Ipgate Ag Bremssystem mit Wegsimulator
JP7484154B2 (ja) 2019-12-13 2024-05-16 株式会社デンソー 車両用ブレーキシステム

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715959A1 (de) * 1987-05-13 1988-11-24 Audi Ag Vorrichtung an einem kraftfahrzeug
WO1992005482A1 (fr) 1990-09-15 1992-04-02 Alfred Teves Gmbh Ensemble de pedales pour vehicule a moteur
DE4324041A1 (de) * 1993-07-17 1995-01-19 Bosch Gmbh Robert Sollwertgeber zur Steuerung einer Bremsanlage
DE19510525A1 (de) * 1995-03-23 1996-09-26 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung bzw. Regelung der Bremsanlage eines Fahrzeugs
EP0768224A1 (fr) * 1995-10-11 1997-04-16 Lucas Industries Public Limited Company Dispositif d'actionnement pour un système de freinage à commande électronique d'un véhicule à moteur
EP0771705A1 (fr) 1995-11-02 1997-05-07 Continental Aktiengesellschaft Pédale du frein pour l'actionnement d'une installation de freinage électrique
WO1998036956A1 (fr) * 1997-02-19 1998-08-27 Siemens Aktiengesellschaft Systeme de freinage pour automobile et procede de transmission de donnees dans un systeme de freinage d'automobile, a commande electrique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519309B4 (de) * 1995-05-26 2006-10-19 Continental Teves Ag & Co. Ohg Bremspedalschalter für eine elektrisch betriebene Fahrzeugbremse

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715959A1 (de) * 1987-05-13 1988-11-24 Audi Ag Vorrichtung an einem kraftfahrzeug
WO1992005482A1 (fr) 1990-09-15 1992-04-02 Alfred Teves Gmbh Ensemble de pedales pour vehicule a moteur
DE4324041A1 (de) * 1993-07-17 1995-01-19 Bosch Gmbh Robert Sollwertgeber zur Steuerung einer Bremsanlage
DE19510525A1 (de) * 1995-03-23 1996-09-26 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung bzw. Regelung der Bremsanlage eines Fahrzeugs
EP0768224A1 (fr) * 1995-10-11 1997-04-16 Lucas Industries Public Limited Company Dispositif d'actionnement pour un système de freinage à commande électronique d'un véhicule à moteur
EP0771705A1 (fr) 1995-11-02 1997-05-07 Continental Aktiengesellschaft Pédale du frein pour l'actionnement d'une installation de freinage électrique
WO1998036956A1 (fr) * 1997-02-19 1998-08-27 Siemens Aktiengesellschaft Systeme de freinage pour automobile et procede de transmission de donnees dans un systeme de freinage d'automobile, a commande electrique

Also Published As

Publication number Publication date
DE19836690A1 (de) 2000-02-17

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