WO2008037597A1 - Procédé et équipement de freinage pour un freinage asymétrique en marche avant - Google Patents

Procédé et équipement de freinage pour un freinage asymétrique en marche avant Download PDF

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Publication number
WO2008037597A1
WO2008037597A1 PCT/EP2007/059638 EP2007059638W WO2008037597A1 WO 2008037597 A1 WO2008037597 A1 WO 2008037597A1 EP 2007059638 W EP2007059638 W EP 2007059638W WO 2008037597 A1 WO2008037597 A1 WO 2008037597A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
movement
braking
brake
impermissible
Prior art date
Application number
PCT/EP2007/059638
Other languages
German (de)
English (en)
Inventor
Leopold Krausen
Akos Semsey
Original Assignee
Continental Automotive Gmbh
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 Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2008037597A1 publication Critical patent/WO2008037597A1/fr

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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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • 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
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on 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
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/02—Active or adaptive cruise control system; Distance control
    • 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
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/02—Active or adaptive cruise control system; Distance control
    • B60T2201/022—Collision avoidance systems
    • 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/83—Control features of electronic wedge brake [EWB]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/66—Wedges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2127/00—Auxiliary mechanisms
    • F16D2127/08—Self-amplifying or de-amplifying mechanisms
    • F16D2127/10—Self-amplifying or de-amplifying mechanisms having wedging elements

Definitions

  • the invention relates to a backstop and a Einpark ⁇ aid for an asymmetric braking device whose braking ⁇ effect changes in a reversal of the moment of movement of select ⁇ braked item.
  • Backstops are nowadays used predominantly in vehicle construction. They serve at standstill of the vehicle usually ⁇ way to prevent unwanted rolling back of the vehicle against the intended direction of travel even when the driver does not operate the vehicle brake. In motor vehicles are rolling back barriers mainly, though not exclusively, as an automatic Driving help to ⁇ driving on gradients used.
  • rollback locks can be placed anywhere in facilities in which a generally caused by external forces movement of an object to be prevented against a pre ⁇ given direction of movement. This applies in particular to machine tools.
  • wedge surfaces are regularly arranged on the support, along which the guide the friction member takes place. If the friction member comes into contact with the object to be abbremmem ⁇ send, it is pulled along on the motion ⁇ moment of the object of this in the direction of movement.
  • the guide direction of the friction member no Rich ⁇ processing component in the direction of movement of the object to be braked, so the total braking force over the displacement of the friction member Ver ⁇ along the wedge surface has to be delivered ⁇ (s).
  • the braking force achieved with the same displacement force of the friction member therefore changes with a reversal of the moment of movement of the object to be braked.
  • the holding force of a braking device with asymmetric braking force is directional.
  • the force to break the deadlock ei ⁇ nes held by the brake device the object is less than for a direction of movement for the opposite direction of movement. This is important, for example, when stopping a motor vehicle on a slope.
  • control logic decides when to release the brake, based on the calculated values, without fear of rolling back the vehicle. After releasing the brakes, the vehicle can be moved without restriction in both directions, even if there is a close obstacle in one direction.
  • control and taxes as well as their grammatical modifications in this document, unless explicitly stated otherwise, deviate from the customary usage as an overriding factor for control and regulation and their grammatical modifications be used.
  • the terms control and control may therefore, depending on the context, include an influence on an output variable by an input variable with and without feedback of the output variable to the input variable.
  • the invention has for its object to provide a method for controlling an asymmetric braking device of a vehicle, which prevents unwanted backward rolling of a vehicle at a Stei ⁇ tion or approaching obstacles.
  • the invention comprises a method for controlling at least one braking device of a vehicle, wherein the braking device has a first operating mode with a self-reinforcing solely during a forward movement of the vehicle braking effect and a second mode with a self- boosting ⁇ finally in a backward movement of the vehicle braking effect.
  • the method comprises Steps for detecting an impermissible direction of movement of the vehicle, and for controlling the at least one braking device of the vehicle so that the at least one Bremsvor ⁇ direction occupies the first mode, when the impermissible direction of movement coincides with the forward movement of the vehicle Ü and occupies the second mode, when the improper direction of movement coincides with the backward movement of the vehicle.
  • the invention further includes a brake system for a vehicle having at least one brake device having a first Be ⁇ triebsart with an exclusively during a forward movement of the vehicle self-energizing braking action and a two-run mode with a self-energizing only when a reverse ⁇ motion of the vehicle braking effect.
  • the brake system further comprises a detection ⁇ device for detecting an impermissible direction of movement of the vehicle, and a brake control device for controlling the at least one braking device, wherein the brake control device is designed so that it controls the at least one braking device for taking the first mode, if matches the inadmissible movement direction with the forward movement of the vehicle and controls the oral second mode when the Unzu ⁇ permeable movement direction coincides with the backward movement of the vehicle.
  • the invention includes a computer program product for controlling the operating mode of the braking devices of a vehicle, wherein the computer program product comprising a series physika ⁇ lisch distinguishable states which can be read by a trained for the data processing device and executed, and a sequence of instructions depicting ⁇ len, the execute a method corresponding to the method specified above on the device for data processing and form a determination device and a brake control device as indicated above in the data processing device.
  • the self-energizing brake ⁇ effect can be lifted up automatically in the inadmissible movement direction when a defined threshold of the vehicle movement in the direction permitted, such as a given driving torque or a specifichuige ⁇ speed is exceeded.
  • the detection of the impermissible direction of movement of the vehicle in an advantageous development may include the determination of the inclination of the vehicle relative to the horizontal, wherein the
  • Determination device can be advantageously designed to determine the inclination of the vehicle relative to the horizontal.
  • the determining means advantageously comprises an inclination sensor for detecting the inclination of the vehicle relative to the horizontal, wherein the determination means is advantageously further adapted such that it can determine the gradient direction of the inclination of the vehicle as undue loading ⁇ movement direction of the vehicle.
  • the impermissible direction of movement can also be expediently determined from a state or a state change of an operating element of the vehicle.
  • Suitable strictlyelemen ⁇ te are eg selector lever, pedals (totality of gas, possibly clutch and brake pedal), inlaid gear, or other operated by the driver controls. For example, when the reverse gear is engaged, a forward movement of the vehicle can be determined to be inadmissible.
  • the detection of the impermissible direction of movement of the vehicle can advantageously include the detection of dangerous situations in the surroundings of the vehicle.
  • Detecting risk situations in the surroundings of the vehicle may in this case expedient ⁇ SSIG include the detection of objects in the vicinity of the vehicle and / or the detection of changes in the road surface or around the road for the vehicle.
  • the hard Stel ⁇ averaging means of the brake system is advantageously designed to detect Ge ⁇ gennote in the vicinity of the vehicle, for which purpose the detection means advantageously comprises one or more sensors which are adapted to detect objects in the vicinity of the vehicle.
  • the determining device is designed det, changes in the road or in the vicinity of the road to determine, the detection device also expediently has one or more sensors that are designed to detect changes in the road or in the vicinity of the road.
  • FIG. 1 illustrates the mode of operation of a wedge brake in a prin ⁇ zip representation
  • Figure 2 shows an embodiment of a brake system in a
  • Figure 3 shows the basic method steps of a procedural ⁇ proceedings.
  • FIG. 1 shows a wedge brake in the three essential operating modes.
  • the wedge brake is shown in its neutral position, in the figure Ib in a position for self-reinforcement in forward movement of the object to be braked 6 and in the figure Ic in a position for self-reinforcement in backward movement of the object to be braked.
  • the wedge brake 10 itself comprises two wedge plates 1 and 2, between which elements 3 are arranged, which allow a friction ⁇ poor displacement of the two wedge plates 1 and 2 against each other.
  • One of the wedge plates is attached to a fixed support 4, usually a caliper. It is referred to below as a passive wedge plate 2.
  • the other wedge plate is opposite the fixed support arranged displaceably and is hereinafter referred to as active wedge plate 1.
  • the active wedge plate 1 carries a friction lining 5.
  • the mutually facing side surfaces of the wedge plates 1 and 2 have so-called wedge surfaces, which can be seen in the illustrations of Figure 1 as compared to the horizontal inclined lines.
  • the wedge surfaces in each case comprise one or more pairs of individual surfaces inclined toward one another on each of the wedge plates.
  • the wedge surface pairs of the wedge plate 1 are arranged substantially opposite the wedge surface pairs of the wedge plate 2 in the neutral position.
  • the active wedge plate 1 is displaced relative to the passive wedge plate 2 in the direction of the forward direction of the object to be braked, as indicated by the arrow.
  • the rolling elements 3 roll on the wedge surfaces of both wedge plates. Due to the inclination of the wedge surfaces and the substantially mirror-symmetrical juxtaposition of the V-face pairs of the wedge plates, the caused by a (not shown) brake actuator displacement of the active wedge plate to a vertical displacement ⁇ advertising component.
  • the friction lining 5 located on the active wedge plate 1 is separated from the passive wedge plate 2 away and to be braked object 6 down ⁇ moves.
  • the moving direction of the decelerated object 6 is reversed, then the driving of the active Keilplat ⁇ te 1 by the decelerated object 6 causes the rolling of the wedge plates on the rolling elements 3 in the reverse direction, causing the wedge plate ge from the object 6 with the folic removes that the braking force decreases.
  • the braking effect obtained with egg ⁇ ner wedge braking device is therefore a- symmetrical depending on the direction of movement or torque of the motor to be braked article. 6
  • a self-reinforcing braking effect can again be achieved with a reversal of the moment of movement of the object 6 to be braked.
  • FIG. 1c this is shown for a transition from a forward movement into a backward movement of the article 6 to be braked; the direction of the backward movement is indicated by an arrow.
  • electromechanical actuators usually highly dynamic electric motors, can be used to displace the active wedge plate (s).
  • the displacement of the wedge plate 1 in the BEWE ⁇ supply direction of the object to be braked 6 must then the Whole braking force can be applied by the actuator so that it can turn out less than in the preferred direction.
  • the brake device 10 is in a position in which a self-energizing for a given direction of the movement torque of the braked object 6 results, thus leading ⁇ tand 6 in the opposite direction its movement torque to that the Wedge plate 1 as long as the object 6 removed until the friction lining on this no more pressure effect. In other words, the brake releases in this case automatically.
  • This asymmetric effect is utilized to effect movement of the braked article 6 in a direction to prevent, without hindering the movement of the object 6 resistance in the opposite direction ⁇ translated.
  • the possibility of the ride of a vehicle can be asymmetrically limited to a forward ⁇ or to a reverse drive.
  • the brake system 100 shown in the figure 2 comprises 103 and 104 for a wei ⁇ tere vehicle axle of a vehicle on two braking devices 101 and 102 for a first vehicle axle and two other brake devices.
  • the brake system 100 may also have only two braking devices, eg 101 and 103.
  • a single, asymmetrically acting braking device may be sufficient.
  • the brake devices 101 and 102 are located on wheels of the front axle and the brake devices 103 and 104 are located on wheels of a rear axle of the vehicle.
  • the braking devices 101, 102, 103 and 104 are preferably all formed by asymmetrically acting brakes, such as the previously described wedge brakes. They have two operational on the first mode, a self-reinforcing ⁇ de braking effect only in a forward movement of the vehicle and the second mode causes a self-energizing braking effect only in a backward movement of the vehicle.
  • the operation modes of the brake devices 101, 102, 103, and 104 are controlled by the brake control device 105.
  • the control is based, inter alia, on input signals received by the brake control device 105 from the detection device 106.
  • FIG. 2 shows only those components of the brake system 100 which are necessary for understanding the present invention. In the interest of a clear presentation on the presentation of further required for the operation of the brake system 100 or whose other functional scope determining components. Nevertheless, corresponding components, such as a brake instruction generation device, are assumed to be present.
  • control device 105 The following explanation of the control functions of the brake control device 105 is limited to driving one or more brake devices 101, 102, 103 and 104 for taking the first or second mode of operation described above.
  • the brake control device 105 also perceive other control functions, for example, a regulation of the braking forces caused at the individual Bremsvorrich-.
  • the control functions of the brake control device 105 are realized by means of a circuit technology or program technology electronic circuit.
  • the circuit is designed to carry out the control of the one or more braking devices 101, 102, 103 and 104, including one or more signals obtained by the determination device 106.
  • the determination device 106 is designed to detect an impermissible direction of movement of the vehicle.
  • An impermissible direction of movement of the vehicle is understood to mean a direction of movement in which a traffic hazard, a danger to the vehicle or other objects, animals and persons, or a reduction in driving comfort could occur.
  • the impermissible direction of movement is formed for example by the backward movement of the vehicle. Because the brakes of the vehicle ⁇ brake system 100 unintentionally solved, the vehicle is ver ⁇ mediated by gravity against the slope roll down. This could lead to a momentous collision with other vehicles, persons, objects or animals, but also to an agreement of the vehicle off the road. If the brakes are intentionally released to be able to start, the vehicle initially rolls back until the drive torque overcomes the reverse moment mediated by gravity. The vehicle occupants will find this an unpleasant jerk.
  • the determination device 106 therefore preferably contains one or more devices that can provide corresponding data or signals about the current vehicle situation.
  • a corresponding device for determining the inclination of the vehicle relative to the horizontal is formed.
  • This preferably includes an inclination sensor 107, by means of which the inclination direction and possibly the inclination angle can be determined.
  • Inclination sensor and device for determining the inclination of the vehicle need not necessarily be embodied in a unit with other means of determination device 106. It is possible to use devices or sensors already present in the vehicle.
  • Tilt information can then be obtained or polled through these facilities.
  • the determining means 106 determines whether the inclining direction, i. the direction of inclination of the incline would lead to a rolling of the vehicle when unrestrained, in the backward direction or in the forward direction. Via other sensors, e.g. To determine the engaged gear, the desired direction of movement of the vehicle by the driver is determined. If the determined rolling direction does not coincide with the desired direction of movement, it is detected as an impermissible direction of movement of the vehicle.
  • a the determined unacceptable movement direction repre ⁇ animal end signal is then passed on to the brake control device 105th Taking this signal into account, the brake control device 105 activates at least one of the brake devices 101, 102, 103 and 104 in such a way that it assumes an operating mode in which a self-reinforcing braking action in the impermissible direction of movement is achieved.
  • the forward direction of the vehicle is detected as an impermissible direction of movement
  • the at least one Bremsvorrich ⁇ lines 101, 102, 103 and 104 are driven to adopt the first mode in which there is a self-boosting the braking effect in the forward direction
  • the activation of the anti-rollback device can be displayed to the driver in the passenger compartment, for example, by means of a control light in the area of the fittings or communicated by means of an audio signal.
  • parameters such as distances to neighboring objects, animals or people must be recorded. Or the distance to an obstacle such a risk is too low to exclude ⁇ SEN there is a risk situation which classifies the moving direction corresponding to the obstacle as a prohibited BEWE ⁇ supply direction.
  • the hazards forming obstacles can be detected by sensors designed to detect the vehicle environment.
  • sensors designed to detect the vehicle environment ⁇ particularly suitable for ultrasonic sensors 108, radar sensors 109, systemsdale Kunststoffsys- and / or heat sensor 110, camera systems 111 with Schmaus ⁇ evaluation and light reflection based systems 112.
  • the environment will be scanned , so that, for example, the distances to obstacles in the vicinity of the vehicle can be determined.
  • the detection device 106 is formed on the
  • the brake control device 105 To detect the spacing and / or the Variegated ⁇ tion of the distances to the obstacles objective basis of the sensor values, and where in a (further) movement of the vehicle in whose direction or in which a dangerous situation may arise, to establish this direction of movement as inadmissible. This determination is forwarded to the brake control device 105 in the form of one or more signals, as explained above. Including this signal or these signals, the brake control device 105 then controls at least one of the brake devices 101, 102, 103 and 104 so that these assume a mode in which a scrverstär ⁇ kende braking effect is aimed published in the inadmissible movement.
  • the determination device 106 can also be designed to handle other hazardous situations, such as a demolition site - for example, in a parking lot on a cliff - or an open manhole cover in the road recognizes and then the brake control device 105, possibly depending on the current vehicle speed, one or more of the vehicle brakes 101, 102, 103 and 104 in the mode for a self-reinforcement in the direction of this dangerous situation.
  • a demolition site for example, in a parking lot on a cliff - or an open manhole cover in the road recognizes and then the brake control device 105, possibly depending on the current vehicle speed, one or more of the vehicle brakes 101, 102, 103 and 104 in the mode for a self-reinforcement in the direction of this dangerous situation.
  • the activation of the brake devices 101, 102, 103 and 104 in the operating mode with a self-energizing braking action in the inadmissible movement direction may be a subset of these braking devices ⁇ be restricted at a brake-related ge 100th
  • a brake-related ge 100th For example, only the brakes on the rear axle or only the brakes on the front axle in the other mode can be changed.
  • the conversion can be restricted on diagonally arranged brake devices, for example to a brake group best ⁇ starting from the braking device to the left front, and the braking device, rear right, or on a braking group consisting of the braking device on the right front and the braking device left behind.
  • the determination device 106 can also determine the states or state changes of suitable operating elements of the vehicle be used. These include in particular selector lever, which called the pedal assembly of accelerator, clutch and brake pedals, the gear engaged, but that is the position of the gear lever ⁇ mente other to use by the driver EIe-. For example, can be determined by the position of the gear lever or the change in its position, which direction is desired. The opposite direction of travel is then to be treated as inadmissible.
  • step SO After the start of the process in step SO is first determined in step Sl whether an illegal movement Rich ⁇ processing of the vehicle is present. The determination is made as above by the determination device 106.
  • step S2 the brake control device 105 controls at least one of the brake devices 101, 102, 103 and 104 so that it assumes an operating mode in which a self-boosting of the braking effect in the impermissible movement direction is given. Subsequently, the method is continued with step S1. Is further Festge in step Sl ⁇ represents that no inadmissible movement direction is present, so the process is also continued with a repeat of this step.
  • the proposed invention increases the riding comfort and the traffic safety of a suitably equipped driving ⁇ zeugs.
  • a driver is no longer forced to operate the brakes on a slope permanently to prevent the vehicle from rolling backwards. If the driver drives on the slope again, the wedge brake automatically releases due to the entrainment effect.
  • the invention protects the driver from other objects such as to drive or roll over vehicles, persons or animals. Nevertheless, it may be provided in a practical embodiment to enable the driver to enable and disable the control of the brake system. This can be realized eg via a separate switch button. However, existing controls can be used, such as the brake pedal, which can disable the rollback over a short tap.
  • the control of the braking devices 101, 102, 103 and 104 is preferably realized by means of a computer program executed on a device of the vehicle for data processing, with reference to, for example, FIG described, process from ⁇ out .
  • the instructions of the computer program required for carrying out the method may be provided in a self-contained physical form, a computer program product.
  • the computer program product is characterized by a sequence of physically distinguishable states which are readable and executable by a data processing device and executed freshlybil ⁇ finished form the instructions of the computer program.
  • the computer program product may take the form of a data carrier with the corresponding physically distinguishable states.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne la commande d'au moins un dispositif de freinage (10, 101, 102, 103, 104) d'un véhicule, dans laquelle le dispositif de freinage (10, 101, 102, 103, 104) présente un premier mode de fonctionnement comprenant une action de freinage autoserrante exclusivement lors d'une marche avant du véhicule et un second mode de fonctionnement avec une action de freinage autoserrante exclusivement lors d'une marche arrière du véhicule : la commande comprend le blocage d'un sens de mouvement inadmissible du véhicule, et la commande (52) du au moins un dispositif de freinage (10, 101, 102, 103, 104) du véhicule de sorte que le au moins un dispositif de freinage (10, 101, 102, 103, 104) adopte le premier mode de fonctionnement lorsque le sens de mouvement inadmissible correspond à la marche avant du véhicule et adopte le second mode de fonctionnement lorsque le sens de mouvement inadmissible correspond à la marche arrière du véhicule.
PCT/EP2007/059638 2006-09-28 2007-09-13 Procédé et équipement de freinage pour un freinage asymétrique en marche avant WO2008037597A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610046029 DE102006046029A1 (de) 2006-09-28 2006-09-28 Asymmmetrische Bremsung
DE102006046029.4 2006-09-28

Publications (1)

Publication Number Publication Date
WO2008037597A1 true WO2008037597A1 (fr) 2008-04-03

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WO (1) WO2008037597A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953785A2 (fr) * 1998-04-30 1999-11-03 Deutsches Zentrum für Luft- und Raumfahrt e.V. Frein électromécanique à autoserrage
DE19901685A1 (de) * 1999-01-18 2000-07-20 Wolfgang Beierl Fahrsteigrolle
DE19952892A1 (de) * 1999-11-03 2001-05-10 Volkswagen Ag Fahrzeug mit elektrisch betätigbarer Bremse
US20040026183A1 (en) * 2002-08-07 2004-02-12 Ford Global Technologies, Inc. Brake assembly and a method for braking a vehicle or another selectively movable assembly
US20050067233A1 (en) * 2003-09-26 2005-03-31 Peter Nilsson System for control of brake actuator
US20050167212A1 (en) * 2002-04-26 2005-08-04 Antonio Pascucci Motor vehicle brake system comprising a parking brake function and electromechanical wheel brake for such a motor vehicle brake system

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
EP0523338A3 (en) * 1991-07-16 1993-08-11 Volkswagen Ag Brake device control method to prevent reverse movement of a motor vehicle whilst driving uphill and device for application of the method
DE102005030621A1 (de) * 2004-10-13 2006-04-20 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse in selbstverstärkender Bauart und Ansteuerverfahren für eine selbstverstärkende Bremse
DE102005056064B4 (de) * 2005-11-24 2007-12-13 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse in selbstverstärkender Bauart mit Belagstabilisierung
DE102006000763B3 (de) * 2006-01-04 2007-04-12 Siemens Ag Elektromechanische Bremse mit Notöffnungseinrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953785A2 (fr) * 1998-04-30 1999-11-03 Deutsches Zentrum für Luft- und Raumfahrt e.V. Frein électromécanique à autoserrage
DE19901685A1 (de) * 1999-01-18 2000-07-20 Wolfgang Beierl Fahrsteigrolle
DE19952892A1 (de) * 1999-11-03 2001-05-10 Volkswagen Ag Fahrzeug mit elektrisch betätigbarer Bremse
US20050167212A1 (en) * 2002-04-26 2005-08-04 Antonio Pascucci Motor vehicle brake system comprising a parking brake function and electromechanical wheel brake for such a motor vehicle brake system
US20040026183A1 (en) * 2002-08-07 2004-02-12 Ford Global Technologies, Inc. Brake assembly and a method for braking a vehicle or another selectively movable assembly
US20050067233A1 (en) * 2003-09-26 2005-03-31 Peter Nilsson System for control of brake actuator

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