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WO2005012047A1 - Systeme de protection d'occupants d'un vehicule et procede pour amorcer un dispositif de protection d'occupants d'un vehicule, servant a la reconnaissance precoce d'une situation de marche critique - Google Patents

Systeme de protection d'occupants d'un vehicule et procede pour amorcer un dispositif de protection d'occupants d'un vehicule, servant a la reconnaissance precoce d'une situation de marche critique Download PDF

Info

Publication number
WO2005012047A1
WO2005012047A1 PCT/DE2004/001484 DE2004001484W WO2005012047A1 WO 2005012047 A1 WO2005012047 A1 WO 2005012047A1 DE 2004001484 W DE2004001484 W DE 2004001484W WO 2005012047 A1 WO2005012047 A1 WO 2005012047A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
protection device
occupant protection
acceleration
speed
Prior art date
Application number
PCT/DE2004/001484
Other languages
German (de)
English (en)
Inventor
Reiner Marchthaler
Frank Mack
Alfred Kuttenberger
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2005012047A1 publication Critical patent/WO2005012047A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • B60R2021/01325—Vertical acceleration

Definitions

  • the present invention relates to an occupant protection device for a vehicle and a method for actuating an occupant protection device for a vehicle in each case for the early detection of a critical driving situation.
  • Vehicle occupant protection systems increase occupant safety in the event of an accident.
  • a system which detects a critical driving situation, which can lead to an accident, prematurely by sensor means and evaluation electronics and has reversible occupant protection devices, such as reversible belt tensioners, which are then activated even before an actual accident, is known and is e.g. offered under the term "PRE-SAFE" by Mercedes Benz in vehicles.
  • Driving dynamics data such as e.g. the steering wheel angle, the float angle, the yaw rate or the brake pressure. From this data, an oversteer or understeer of the vehicle or also an emergency braking can be concluded and the reversible occupant protection devices can then be activated.
  • vehicle dynamics safety systems such as ABS, ESP or BAS (brake assistant), which are present in the vehicle.
  • Such a critical driving situation occurs, for example, when the vehicle unintentionally strays from the road, but there is neither a strong over- or understeer nor a strong braking deceleration.
  • Such a situation can be caused by a driving error followed by slight understeering of the vehicle, i.e. too little understeering to be recognized by the system as a critical driving situation, due to an agreement with the roadway due to poor visibility or if the driver falls asleep.
  • Critical for the safety of driving The witness is the agreement from the road, especially at high speeds on uneven surfaces.
  • the occupant protection device according to the invention for a vehicle with the features of claim 1 and the method for actuating an occupant protection device for a vehicle with the features of claim 5 has the advantage over the known approach that in a critical driving situation, such as getting off the road, the control of reversible occupant protection devices is already made possible. This fixes a vehicle occupant early in the seat, for example, and thus reduces the risk of serious injury. It is particularly advantageous that individual components of the device according to the invention and for the method according to the invention are already present in a vehicle for other purposes or will be used in vehicles in the foreseeable future. This does not result in additional costs, since no additional complex hardware is required.
  • the idea on which the present invention is based essentially consists in that, in addition to the vehicle speed, the acceleration of the vehicle in the vertical direction is recorded and evaluated in order to control a reversible occupant protection device, if necessary.
  • an occupant protection device for a vehicle for early detection of a critical driving situation is provided with: at least one reversible occupant protection device; first means for detecting the speed of the vehicle; a second device for detecting the acceleration of the vehicle at least in a direction perpendicular to the driving plane; an evaluation device for evaluating the detected speed and the detected acceleration and for outputting an evaluation signal as a function of the speed and the acceleration of the vehicle; and a control device for the event that the evaluation signal exceeds a threshold value, which indicates a critical driving situation, outputs a control signal for triggering at least one reversible occupant protection device.
  • a device for detecting an acceleration in the horizontal direction is provided.
  • This has the advantage that an acceleration value detected in the z direction for the detection of a critical driving situation with an acceleration value in horizontally, ie in the x and / or y direction, can be verified in order to ensure a more precise triggering of a reversible occupant protection device (coordinate system according to DEN 70000).
  • the at least one reversible occupant protection device has a reversible belt tensioner. In this way, a vehicle occupant can be fixed in the seat before a possible accident in order to reduce the risk of injury.
  • the at least one occupant protection device has an electrically operated sunroof and / or electrically operated front seats and / or electrically operated side windows. A comprehensive activation of various occupant protection devices is thus advantageously ensured.
  • At least one reversible belt tensioner is used as at least one reversible occupant protection device, the belt force of which is determined, in particular continuously, as a function of the evaluation signal.
  • the speed of the vehicle is determined from the
  • FIG. 1 is a schematic block diagram of an occupant protection device for explaining an embodiment of the present invention.
  • a device 10 for detecting the speed of the vehicle is coupled to a processing device 11.
  • the device 10 for detecting the vehicle speed can have an independent sensor device, but preferably detects the vehicle speed from the wheel speeds of the vehicle, which are generated for an existing ABS and / or ESP system (not shown).
  • a device 12 for detecting an acceleration in vertical, i.e. in the z direction is also coupled to the processing device 11.
  • the processing device 11 has an evaluation device 14, which detects signals 10 ', 12', 13 'L 5 of the corresponding detection or detection devices 10, 12, 13 and evaluates them by means of an algorithm.
  • An evaluation signal 14 ′ is generated in the evaluation device 14 and is fed to a control device 15.
  • the evaluation signal 14 ' contains, for example, information which is passed on in the control device 15 in such a way that, for example, all reversible occupant protection devices 16, 16', 16 ", 16"'present in the vehicle via corresponding 10 control signals 15', 15 ", 15 '”are triggered or activated.
  • the information in the evaluation signal 14 'in the control device 15' can also only control a reversible belt tensioner 16 'with a predetermined belt force via a control signal 15'.
  • the control signal 15 '"of the control device 15 for activating the occupant protection device 16'" is an example of the actuation of further occupant protection devices, such as, for example, an electrically actuable sunroof or electrically actuated side windows, etc. Leaving the road at a very high speed meets an uneven surface.
  • the belt force or the tightening torque with which a reversible belt tensioner 16 ′ is to be activated via the control device 15 is preferably determined in the evaluation algorithm of the evaluation device 14, starting from the acceleration value in the z direction and the vehicle's own speed.
  • electrically adjustable seats based on 16 " to adjust the position of the evaluation signal 14 ′ generated in the evaluation device via the control device 15 in order to bring the occupants into a favorable sitting position for an accident.
  • FIG. 2 shows an example of a family of curves, which shows the belt force as a percentage of the maximum belt force possible as a function of the reversible belt tensioner 16 ′ according to FIG. 2
  • Acceleration in the z direction 17 and the own speed 18 reproduces.
  • a corresponding belt force for the belt tensioner can be determined in the evaluation device 14 from such a data field stored in a memory device (not shown) on the basis of the acceleration value in the z direction 17 and the own speed of the vehicle 18, which are detected by the detection devices 10 and 12 16 'are determined, which is correspondingly activated via the control device 15 by means of the control signal 15'.
  • the vehicle's own speed is an important parameter for vehicle systems such as ESP and ABS, this parameter is usually already available and can be estimated from the wheel speeds.
  • the size of the airspeed is accessible via a CAN bus and can thus be extracted from a CAN bus signal.
  • the acceleration in the z direction can be measured with an acceleration sensor which is provided, for example, in airbag systems with rollover detection.
  • sensor signals 13 ′ from the x and / or y acceleration sensors 13 can be used, preferably for plausibility checking of the decision to control a or several reversible occupant protection devices or restraint devices can be used.
  • the present invention has been described above on the basis of a preferred exemplary embodiment, it is not restricted thereto, but rather can be modified in many ways.
  • the selection of the reversible occupant protection devices is exemplary and other occupant protection devices can also be used as an alternative to the named ones.
  • the evaluation device 14 and the control device 15 can be integrated in one module, but can also be provided in a structurally completely separate manner.
  • the family of curves according to FIG. 2 for representing the belt force as a function of the acceleration in the z direction and the vehicle's own speed 18 is exemplary of an algorithm in the evaluation device 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

L'invention concerne un système de protection d'occupants d'un véhicule, servant à la reconnaissance précoce d'une situation de marche critique. Ce dispositif comprend: au moins un dispositif de protection d'occupants réversible (16, 16', 16'', 16'''); un premier dispositif (10) servant à détecter la vitesse du véhicule; un deuxième dispositif (12) servant à détecter l'accélération du véhicule au moins dans une direction perpendiculaire au plan de conduite; un dispositif d'évaluation (14) servant à évaluer la vitesse et l'accélération détectées et servant à émettre un signal d'évaluation (14') en fonction de la vitesse et de l'accélération du véhicule; une unité d'amorçage (15) qui est émet un signal d'amorçage (15', 15'', 15''') servant à déclencher au moins un dispositif de protection d'occupants réversible (16, 16', 16'', 16''') lorsque le signal d'évaluation (14') dépasse une valeur seuil indiquant une situation de marche critique. L'invention concerne également un procédé pour amorcer un dispositif de protection d'occupants d'un véhicule, servant à la reconnaissance précoce d'une situation de marche critique.
PCT/DE2004/001484 2003-07-25 2004-07-08 Systeme de protection d'occupants d'un vehicule et procede pour amorcer un dispositif de protection d'occupants d'un vehicule, servant a la reconnaissance precoce d'une situation de marche critique WO2005012047A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10333990.6 2003-07-25
DE10333990A DE10333990A1 (de) 2003-07-25 2003-07-25 Insassenschutzvorrichtung für ein Fahrzeug und Verfahren zum Ansteuern einer Insassenschutzeinrichtung für ein Fahrzeug zur vorzeitigen Erkennung einer kritischen Fahrsituation

Publications (1)

Publication Number Publication Date
WO2005012047A1 true WO2005012047A1 (fr) 2005-02-10

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PCT/DE2004/001484 WO2005012047A1 (fr) 2003-07-25 2004-07-08 Systeme de protection d'occupants d'un vehicule et procede pour amorcer un dispositif de protection d'occupants d'un vehicule, servant a la reconnaissance precoce d'une situation de marche critique

Country Status (2)

Country Link
DE (1) DE10333990A1 (fr)
WO (1) WO2005012047A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009068395A1 (fr) 2007-11-29 2009-06-04 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager, en particulier lave-vaisselle
US20110111000A1 (en) * 2006-05-22 2011-05-12 Surfaceskins Limited Surface mountable delivery device
EP2594439A1 (fr) * 2011-11-16 2013-05-22 Volvo Car Corporation Agencement et procédé de retenue de l'occupant et protection
CN103507735A (zh) * 2012-06-26 2014-01-15 罗伯特·博世有限公司 识别、诊断和触发人员保护装置的触发装置的方法及装置
CN111251951A (zh) * 2020-02-13 2020-06-09 延锋汽车饰件系统有限公司 车辆座椅的预碰撞复位方法、系统、设备及存储介质
CN113613960A (zh) * 2019-03-29 2021-11-05 戴姆勒股份公司 动态固定方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10345726B4 (de) * 2003-10-01 2013-11-14 Robert Bosch Gmbh Rückhaltesystem zum Zurückhalten eines Insassen in einem Kraftfahrzeug und Verfahren zum dynamischen Steuern eines derartigen Rückhaltesystems
DE102005035862A1 (de) 2005-07-30 2007-02-01 GM Global Technology Operations, Inc., Detroit Verfahren zur Steuerung eines Gurtstraffers und Sicherheitsanordnung mit einem Gurtstraffer
DE102005035850A1 (de) * 2005-07-30 2007-02-01 GM Global Technology Operations, Inc., Detroit Verfahren zur Steuerung eines reversiblen Gurtstraffers und Sicherheitsanordnung mit einem Sicherheitsgurt und einem reversiblen Gurtstraffer
DE102005035863A1 (de) * 2005-07-30 2007-02-01 GM Global Technology Operations, Inc., Detroit Verfahren zur Steuerung eines Gurtstraffers und Sicherheitsanordnung mit einem Gurtstraffer
DE102005035849A1 (de) * 2005-07-30 2007-02-08 GM Global Technology Operations, Inc., Detroit Sicherheitsanordnung mit einem Gurtstraffer, Kraftfahrzeug mit einer solchen Sicherheitsanordnung, und Verfahren zur Steuerung eines Gurtstraffers
DE102007021700A1 (de) 2007-05-09 2008-11-13 Robert Bosch Gmbh Verfahren und Steuergerät zur Ansteuerung von Personenschutzmitteln für ein Fahrzeug
DE102008001387B4 (de) 2008-04-25 2018-06-14 Robert Bosch Gmbh Verfahren und Steuergerät zur Ansteuerung von Personenschutzmitteln für ein Fahrzeug
DE102009047373A1 (de) * 2009-12-02 2011-06-09 Robert Bosch Gmbh Verfahren zur Aktivierung und/oder Ansteuerung von mindestens einer reversiblen Rückhalteeinrichtung
DE102010003744A1 (de) * 2010-04-08 2011-10-13 Robert Bosch Gmbh Verfahren und Steuergerät zum Steuern einer Insassenschutzvorrichtung eines Fahrzeugsitzes
DE102010015547B4 (de) * 2010-04-20 2020-07-30 Daimler Ag Verfahren zur Ansteuerung mindestens einer reversiblen Insassenschutzvorrichtung
DE102011087698B4 (de) 2011-12-05 2022-02-24 Robert Bosch Gmbh Verfahren zum Ansteuern eines Insassenschutzmittels eines Fahrzeugs und Steuergerät
DE102020107844A1 (de) 2020-03-23 2021-09-23 Zf Automotive Germany Gmbh Verfahren zur dynamischen Fixierung eines Fahrzeuginsassen und Fahrzeug

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EP0709256A1 (fr) * 1994-10-31 1996-05-01 Daewoo Electronics Co., Ltd Procédé pour quantifier une collision au moyen de trois signaux d'accélération directionnels, et dispositif pour la mise en oeuvre du procédé
US5684701A (en) * 1995-06-07 1997-11-04 Automotive Technologies International, Inc. Method and apparatus for sensing a vehicle crash
EP1002709A2 (fr) * 1998-11-19 2000-05-24 Delphi Technologies, Inc. Estimation de l'angle d'attitude d'un véhicule utilisant une combinaison de signaux détectés
EP1219500A2 (fr) * 2000-12-28 2002-07-03 Toyota Jidosha Kabushiki Kaisha Dispositif et procédé de détection de conditions de retournement
US20020128795A1 (en) * 1998-11-19 2002-09-12 Schiffmann Jan K. Vehicle attitude angle estimator and method

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EP0709256A1 (fr) * 1994-10-31 1996-05-01 Daewoo Electronics Co., Ltd Procédé pour quantifier une collision au moyen de trois signaux d'accélération directionnels, et dispositif pour la mise en oeuvre du procédé
US5684701A (en) * 1995-06-07 1997-11-04 Automotive Technologies International, Inc. Method and apparatus for sensing a vehicle crash
EP1002709A2 (fr) * 1998-11-19 2000-05-24 Delphi Technologies, Inc. Estimation de l'angle d'attitude d'un véhicule utilisant une combinaison de signaux détectés
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EP1219500A2 (fr) * 2000-12-28 2002-07-03 Toyota Jidosha Kabushiki Kaisha Dispositif et procédé de détection de conditions de retournement

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110111000A1 (en) * 2006-05-22 2011-05-12 Surfaceskins Limited Surface mountable delivery device
WO2009068395A1 (fr) 2007-11-29 2009-06-04 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager, en particulier lave-vaisselle
EP2594439A1 (fr) * 2011-11-16 2013-05-22 Volvo Car Corporation Agencement et procédé de retenue de l'occupant et protection
CN103507735A (zh) * 2012-06-26 2014-01-15 罗伯特·博世有限公司 识别、诊断和触发人员保护装置的触发装置的方法及装置
CN113613960A (zh) * 2019-03-29 2021-11-05 戴姆勒股份公司 动态固定方法
US12071097B2 (en) 2019-03-29 2024-08-27 Mercedes-Benz Group AG Method for dynamic securing
CN111251951A (zh) * 2020-02-13 2020-06-09 延锋汽车饰件系统有限公司 车辆座椅的预碰撞复位方法、系统、设备及存储介质
CN111251951B (zh) * 2020-02-13 2022-07-08 延锋汽车饰件系统有限公司 车辆座椅的预碰撞复位方法、系统、设备及存储介质

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