DE102008000783A1 - Driving assistant with an additional function to avoid collisions with partial overlap - Google Patents
Driving assistant with an additional function to avoid collisions with partial overlap Download PDFInfo
- Publication number
- DE102008000783A1 DE102008000783A1 DE200810000783 DE102008000783A DE102008000783A1 DE 102008000783 A1 DE102008000783 A1 DE 102008000783A1 DE 200810000783 DE200810000783 DE 200810000783 DE 102008000783 A DE102008000783 A DE 102008000783A DE 102008000783 A1 DE102008000783 A1 DE 102008000783A1
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- Germany
- Prior art keywords
- vehicle
- collision
- intervention
- obstacle
- additional function
- 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.)
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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
- 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
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
- B60T8/17558—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve specially adapted for collision avoidance or collision mitigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/025—Active steering aids, e.g. helping the driver by actively influencing the steering system after environment evaluation
- B62D15/0265—Automatic obstacle avoidance by steering
-
- 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
- B60T2201/024—Collision mitigation systems
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Regulating Braking Force (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zum Verbessern des Insassenschtuzes bei einer Kollision eines Fahrzeugs mit einem Hindernis. Die biomechanische Belastung der Fahrzeuginsassen kann verringert werden, indem der Fahrbetrieb in Bezug auf eine möglicherweise bevorstehende Kollision überwacht und, falls eine Kollision unvermeidbar ist, ein Giermoment um die Hochachse des Fahrzeugs automatisch ausgeübt wird, so dass eine größere Überdeckung zwischen Fahrzeug und Hindernis entsteht.The invention relates to a method for improving the occupant's health in the event of a collision of a vehicle with an obstacle. The biomechanical load of the vehicle occupants can be reduced by monitoring the driving operation with respect to a possibly impending collision and, if a collision is unavoidable, automatically exerting a yawing moment about the vertical axis of the vehicle so that a greater overlap between the vehicle and the obstacle arises.
Description
Stand der TechnikState of the art
Die Erfindung betrifft ein Verfahren zum Verbessern des Insassenschutzes bei Kollisionen von Kraftfahrzeugen gemäß dem Oberbegriff des Patentanspruchs 1, sowie ein Steuergerät gemäß dem Oberbegriff des Patentanspruchs 7.The The invention relates to a method for improving occupant protection in collisions of motor vehicles according to the preamble of the claim 1, as well as a control unit according to the generic term of claim 7.
Moderne Fahrzeuge umfassen üblicherweise eine Fahrdynamikregelung, wie z. B. ESP, die den Fahrer in kritischen Fahrsituationen unterstützt. Diese Systeme ermitteln üblicherweise auf Grundlage von Gierraten-, Raddrehzahl- und Lenkwinkelsignalen den aktuellen Fahrzustand, sowie den Fahrerwunsch hinsichtlich der Fahrtrichtung. Bei einer zu hohen Abweichung zwischen Soll- und Istwerten greift das System in den Fahrbetrieb ein. Diese Eingriffe erfolgen in der Regel über die Radbremsen oder eine aktive Lenkung.modern Vehicles usually include a vehicle dynamics control, such. B. ESP, which puts the driver in critical Driving situations supported. These systems usually detect based on yaw rate, wheel speed and steering angle signals the current driving condition, as well as the driver's request regarding the Direction of travel. In case of too high a deviation between nominal and Actual values, the system intervenes in the driving operation. These interventions usually done over the wheel brakes or an active steering.
Aus dem Stand der Technik sind ferner automatische Bremsassistenten, wie z. B. PSS (Predictive Safety System) bekannt, die üblicherweise mit Hilfe von Radarsensoren die Umgebung des Fahrzeugs überwachen. Bei einer Wahrscheinlichkeit eines Auffahrunfalls wird in der Regel zunächst eine Warnung an den Fahrer ausgegeben oder – für den Fall, dass die Kollision unvermeidbar ist – eine automatische Notbremsung eingeleitet. Diese Notbremsung wird mittels des Fahrdynamikreglers kontrolliert und in Bezug auf Fahrstabilität und Bremsweg bestmöglich umgesetzt.Out The prior art also includes automatic brake assistants, such as B. PSS (Predictive Safety System) known, usually monitor the surroundings of the vehicle with the aid of radar sensors. In a probability of a rear-end collision is usually first a warning is issued to the driver or - in the event that the collision is unavoidable - one automatic emergency braking initiated. This emergency braking is by means of controlled by the vehicle dynamics controller and in terms of driving stability and braking distance implemented as best as possible.
In manchen Fahrsituationen ist ein Unfall trotz der vorstehend beschriebenen Systeme nicht zu vermeiden. In solchen Fällen versucht der Fahrdynamikregler, sobald der automatische Bremsassistent eine Notbremsung einleitet, das Fahrzeug mit einem minimalen Bremsweg, entsprechend dem vom Fahrer vorgegebenen Lenkwinkel zu steuern. Oftmals ist dabei zu beobachten, dass der Fahrer versucht, an dem Hindernis vorbei zu lenken. In Situationen, in denen dies nicht mehr möglich ist, wird es daher zwangsläufig zu einem Auffahrunfall mit Teilüberdeckung kommen. Dieser ist hinsichtlich des Abbaus von kinetischer Energie durch Materialverformung allerdings wesentlich ungünstiger als ein Zusammenstoß mit Vollüberdeckung. Durch die falsche Reaktion des Fahrers erhöht sich daher die biomechanische Belastung der Fahrzeuginsassen.In In some driving situations, an accident is in spite of the above Systems unavoidable. In such cases the vehicle dynamics controller tries to as soon as the automatic brake assist initiates emergency braking, the vehicle with a minimum braking distance, according to the Driver to control predetermined steering angle. Often it is too Watch the driver try to get past the obstacle to steer. In situations where this is no longer possible, It therefore becomes inevitable to a rear-end collision with partial overlap come. This is in terms of degradation of kinetic energy However, material deformation significantly less favorable as a clash with Full coverage. Due to the wrong reaction of the driver, therefore, increases the biomechanical Load on the vehicle occupants.
Offenbarung der ErfindungDisclosure of the invention
Es ist daher die Aufgabe der vorliegenden Erfindung, ein Verfahren sowie eine Vorrichtung zu schaffen, mit dem bzw. der sich der Schutz von Fahrzeuginsassen bei einer Kollision verbessern lässt.It is therefore the object of the present invention, a method and to provide a device with which the protection of vehicle occupants in a collision can be improved.
Gelöst wird diese Aufgabe gemäß der Erfindung durch die im Patenanspruch 1, sowie im Patentanspruch 7 angegebenen Merkmale. Weitere Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Is solved this task according to the invention by those specified in claim 1, and in claim 7 Characteristics. Further embodiments of the invention will become apparent the dependent claims.
Ein wesentlicher Aspekt der Erfindung besteht darin, den Fahrbetrieb in Bezug auf eine möglicherweise bevorstehende Kollision zu überwachen und, falls die Kollision unvermeidbar ist, ein Giermoment um die Hochachse des Fahrzeugs zu erzeugen, das das Fahrzeug so ausrichtet, dass eine größere Überdeckung zwischen Fahrzeug und Hindernis entsteht. Hierdurch kann die Belastung der Fahrzeuginsassen im Vergleich zu einer Kollision mit Teilüberdeckung gesenkt werden. Darüber hinaus kann auch eine bessere Airbagauslösung erreicht werden.One essential aspect of the invention is the driving in relation to one possibly monitor impending collision and, if the collision is unavoidable, a yaw moment about the vertical axis of the vehicle, which aligns the vehicle so that a larger coverage between vehicle and obstacle arises. This can be the burden the vehicle occupant compared to a collision with partial coverage be lowered. About that In addition, a better airbag deployment can be achieved.
Die Überwachung des Fahrzeugumfelds in Bezug auf eine Kollision erfolgt vorzugsweise mittels eines Video- und/oder Radarsensors.The supervision the vehicle environment with respect to a collision is preferably done by means of a video and / or radar sensor.
Der automatische Eingriff in den Fahrbetrieb kann z. B. mittels der Radbremsen und/oder einer aktiven Lenkung und/oder durch Beschleunigung einzelner Räder erfolgen.Of the automatic intervention in the driving can z. B. by means of Wheel brakes and / or an active steering and / or by acceleration single wheels respectively.
Der automatische Giermomenteneingriff erfolgt vorzugsweise mit dem Ziel, eine Vollüberdeckung der beiden Kollisionspartner zu erreichen.Of the automatic yaw moment intervention is preferably with the aim of a full coverage to reach the two collision partners.
Sofern der Fahrer im letzten Moment noch in die Lenkung eingreift, um am Hindernis vorbei zu lenken, wird die Lenkbewegung ggf. durch einen automatischen Lenkeingriff übersteuert.Provided the driver at the last moment still engages in the steering to the am To steer the obstacle past, the steering movement is possibly by a overrides automatic steering intervention.
Die vorstehend beschriebene Funktion zur Applikation eines Giermoments ist vorzugsweise in einem Bremsassistenten (Software) mit integriert.The above-described function for the application of a yawing moment is preferably integrated in a brake assistant (software).
Eine entsprechende Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens umfasst ein Steuergerät, das mit der benötigten Sensorik und einem oder mehreren Stellgliedern, wie z. B. den Fahrzeugbremsen in Verbindung steht. Das Steuergerät umfasst dabei einen Algorithmus, der das vorstehend beschriebene Verfahren abbildet.A corresponding device for carrying out the method according to the invention includes a control unit, that with the needed Sensor and one or more actuators, such. B. the vehicle brakes communicates. The controller includes an algorithm, which maps the method described above.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Die Erfindung wird nachstehend anhand der beigefügten Zeichnung beispielhaft näher erläutert. Es zeigt:The Invention will be exemplified below with reference to the accompanying drawings explained in more detail. It shows:
Ausführungsform der ErfindungEmbodiment of the invention
Wenn
das Fahrzeug auf ein Hindernis zufährt, wird der Fahrer zunächst auf
die Gefahrensituation aufmerksam gemacht. Wenn sich das Fahrzeug dem
Hindernis so weit annähert,
dass eine Kollision nicht mehr vermeidbar ist, wird in Schritt
In
Schritt
Die größere Überdeckung zwischen Fahrzeug und Hindernis führt zu einer geringeren biomechanischen Belastung der Fahrzeuginsassen und somit zu einem geringeren Verletzungsrisiko.The larger coverage between vehicle and obstacle leads to a lower biomechanical Burden on the vehicle occupants and thus a lower risk of injury.
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810000783 DE102008000783A1 (en) | 2008-03-20 | 2008-03-20 | Driving assistant with an additional function to avoid collisions with partial overlap |
PCT/EP2008/066279 WO2009115146A1 (en) | 2008-03-20 | 2008-11-27 | Drive assist system having a supplementary function to avoid collisions with partial offset |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810000783 DE102008000783A1 (en) | 2008-03-20 | 2008-03-20 | Driving assistant with an additional function to avoid collisions with partial overlap |
Publications (1)
Publication Number | Publication Date |
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DE102008000783A1 true DE102008000783A1 (en) | 2009-09-24 |
Family
ID=40343478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE200810000783 Withdrawn DE102008000783A1 (en) | 2008-03-20 | 2008-03-20 | Driving assistant with an additional function to avoid collisions with partial overlap |
Country Status (2)
Country | Link |
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DE (1) | DE102008000783A1 (en) |
WO (1) | WO2009115146A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011120778A1 (en) * | 2011-12-09 | 2013-06-13 | Volkswagen Aktiengesellschaft | Method for protecting driver of motor car during collision, involves actuating overlay steering device of motor car before entry of collision to produce rotation of steering wheel into target guidance position |
DE202013006010U1 (en) * | 2013-07-05 | 2014-10-15 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Crash optimization for motor vehicles |
WO2015009216A1 (en) * | 2013-07-17 | 2015-01-22 | Scania Cv Ab | Device and method for controlling collision processes in a vehicle convoy |
DE102015113824A1 (en) | 2015-08-20 | 2017-02-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for influencing a driving movement of a motor vehicle |
WO2018233892A1 (en) * | 2017-06-20 | 2018-12-27 | Robert Bosch Gmbh | Method and control device for controlling a vehicle during a collision |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19741631B4 (en) * | 1997-09-20 | 2013-08-14 | Volkswagen Ag | Method and device for avoiding and / or minimizing conflict situations in road traffic |
DE19828693A1 (en) * | 1998-06-26 | 1999-12-30 | Volkswagen Ag | Method and control device for minimizing the consequences of accidents |
AT5453U1 (en) * | 2001-05-21 | 2002-07-25 | Steyr Daimler Puch Ag | METHOD FOR LIMITING DAMAGE IN PARTLY COVERED FRONTAL COLLISION AND MOTOR VEHICLE WITH AN APPARATUS TO BE USED FOR THIS |
US7015805B2 (en) * | 2001-07-11 | 2006-03-21 | Robert Bosch Gmbh | Method and device for automatic controlling of the deceleration of a vehicle |
JP3896852B2 (en) * | 2002-01-16 | 2007-03-22 | 株式会社デンソー | Vehicle collision damage reduction device |
WO2006045259A1 (en) * | 2004-10-27 | 2006-05-04 | Robert Bosch Gmbh | Method for improving the security of users of a route, who are involved in an accident that has been foreseen |
-
2008
- 2008-03-20 DE DE200810000783 patent/DE102008000783A1/en not_active Withdrawn
- 2008-11-27 WO PCT/EP2008/066279 patent/WO2009115146A1/en active Application Filing
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011120778A1 (en) * | 2011-12-09 | 2013-06-13 | Volkswagen Aktiengesellschaft | Method for protecting driver of motor car during collision, involves actuating overlay steering device of motor car before entry of collision to produce rotation of steering wheel into target guidance position |
DE102011120778A9 (en) | 2011-12-09 | 2015-09-24 | Volkswagen Aktiengesellschaft | Method and device for protecting a driver of a motor vehicle |
DE102011120778B4 (en) | 2011-12-09 | 2018-05-09 | Volkswagen Aktiengesellschaft | Method and device for protecting a driver of a motor vehicle, as well as a motor vehicle with such a device |
DE202013006010U1 (en) * | 2013-07-05 | 2014-10-15 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Crash optimization for motor vehicles |
WO2015009216A1 (en) * | 2013-07-17 | 2015-01-22 | Scania Cv Ab | Device and method for controlling collision processes in a vehicle convoy |
DE102015113824A1 (en) | 2015-08-20 | 2017-02-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for influencing a driving movement of a motor vehicle |
WO2018233892A1 (en) * | 2017-06-20 | 2018-12-27 | Robert Bosch Gmbh | Method and control device for controlling a vehicle during a collision |
US11269339B2 (en) | 2017-06-20 | 2022-03-08 | Robert Bosch Gmbh | Method and control unit for controlling a vehicle during a collision |
Also Published As
Publication number | Publication date |
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WO2009115146A1 (en) | 2009-09-24 |
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