DE102004055399A1 - Motor vehicle controlling method, involves applying brake of vehicle upon identifying vehicle collision, which is identified when airbag is ignited and when deceleration of vehicle exceeds threshold, and maintaining vehicle in standstill - Google Patents
Motor vehicle controlling method, involves applying brake of vehicle upon identifying vehicle collision, which is identified when airbag is ignited and when deceleration of vehicle exceeds threshold, and maintaining vehicle in standstill Download PDFInfo
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- DE102004055399A1 DE102004055399A1 DE102004055399A DE102004055399A DE102004055399A1 DE 102004055399 A1 DE102004055399 A1 DE 102004055399A1 DE 102004055399 A DE102004055399 A DE 102004055399A DE 102004055399 A DE102004055399 A DE 102004055399A DE 102004055399 A1 DE102004055399 A1 DE 102004055399A1
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Classifications
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- 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
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- 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
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- 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
- B60R2021/01311—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 monitoring the braking system, e.g. ABS
-
- 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
- B60R21/0134—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 imminent contact with an obstacle, e.g. using radar systems
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Steuerung eines Fahrzeugs, wobei im Falle einer Kollision eines Fahrzeuges dieses automatisch gebremst wird, indem eine Bremse des Fahrzeugs betätigt wird.The The invention relates to a method and a device for controlling a vehicle, wherein in the event of a collision of a vehicle This is automatically braked by a brake of the vehicle actuated becomes.
Ist nach einem Zusammenstoß eines Fahrzeugs der Fahrer nicht mehr in der Lage, das Fahrzeug zu führen, so besteht die Gefahr von unkontrollierten Folgekollisionen. Befindet sich das Fahrzeug auf einer Brücke oder nahe eines Abhangs, kann es zu einem Absturz kommen.is after a clash of a Vehicle the driver is no longer able to drive the vehicle, so there is a risk of uncontrolled follow-on collisions. is the vehicle is on a bridge or near a slope, it can crash.
Im
Stand der Technik ist aus
Dieser Personenkraftwagen hat jedoch den Nachteil, dass für eine zuverlässige Reaktion aufwendigerweise allseitig um den Personenkraftwagen Druck- oder Bewegungssensoren angeordnet sind.This However, passenger cars have the disadvantage that for a reliable response consuming on all sides to the passenger car printing or Motion sensors are arranged.
Der Erfindung liegt daher die Aufgabe zugrunde, ein einfaches und gegenüber dem Stand der Technik verbessertes Verfahren der eingangs genannten Art anzugeben.Of the Invention is therefore based on the object, a simple and compared to the Prior art improved method of the aforementioned Specify type.
Die Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren, welches die Merkmale des unabhängigen Anspruchs 1 aufweist.The The object is achieved by a method comprising the features of independent claim 1.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.advantageous Embodiments of the invention are the subject of the dependent claims.
Das erfindungsgemäße Verfahren zur Steuerung eines Fahrzeugs sieht vor, dass eine Kollision identifiziert wird, falls ein Airbag des Fahrzeuges zündet und/oder falls eine Verzögerung des Fahrzeugs einen ersten Grenzwert überschreitet.The inventive method for controlling a vehicle provides that identifies a collision If an airbag of the vehicle ignites and / or if a delay of Vehicle exceeds a first limit.
Dieses Verfahren benötigt lediglich einen Airbagparameter, beispielsweise ein Zündsignal für einen Airbag und/oder Messwerte einer Verzögerung des Fahrzeugs. Zur Erfassung der Verzögerung ist beispielsweise ein Beschleunigungsgeber eines vorhandenen Airbags oder eines Fahrzeugstabilisierungssystems geeignet. Spezielle, aufwendige Sensoren werden nicht benötigt. Eine Kollision wird bei diesem Verfahren frühzeitig bemerkt. Durch die Bremsung des Fahrzeugs wird verhindert, dass das Fahrzeug nach einer Kollision eventuell führerlos ungebremst weiterrollt. Die Gefahr weiterer Kollisionen wird vermindert. Vor eventuellen, weiteren Kollisionen wird durch das Bremsen kinetische Energie abgebaut. Durch das Heranziehen der Verzögerung zur Identifikation einer Kollision werden al le denkbaren Kollisionen erfasst. Es ist unerheblich, ob es sich um einen Frontal-, Heck-, oder Seitenaufprall handelt.This Procedure needed only one airbag parameter, for example an ignition signal for one Airbag and / or measurements of a deceleration of the vehicle. To capture the delay is for example an accelerator of an existing airbag or a vehicle stabilization system. Special, elaborate Sensors are not needed. A collision is detected early in this process. By the braking The vehicle will prevent the vehicle from colliding possibly leaderless unrestrained rolls on. The danger of further collisions is reduced. Before any further collisions, braking becomes kinetic Energy dissipated. By using the delay to identify a Collisions are detected in all imaginable collisions. It is irrelevant whether it is a frontal, rear, or side impact.
In einer möglichen Ausgestaltung bleibt nach einem dem Bremsen folgenden Stillstand des Fahrzeuges die Bremse solange betätigt, bis eine Zündung des Fahrzeuges ausgeschaltet wird. Dies verhindert ein ungewolltes Wegrollen des Fahrzeugs nach der Bremsung.In a possible Design remains after a brake following stall of the vehicle, the brake is actuated until an ignition of Vehicle is turned off. This prevents unintentional rolling away of the vehicle after braking.
Eine bevorzugte Ausführungsform sieht vor, dass nach einem dem Bremsen folgenden Stillstand des Fahrzeuges automatisch eine Feststellbremse des Fahrzeuges aktiviert wird. Dies ermöglicht ein sicheres Beibehalten des Stillstandes, da die Feststellbremse keine Energieversorgung benötigt.A preferred embodiment provides that after a brake following the standstill of the Vehicle automatically activates a parking brake of the vehicle becomes. this makes possible a safe maintenance of the stoppage, as the parking brake no power supply needed.
In einer vorteilhaften Ausgestaltung wird eine Kollision ebenfalls identifiziert, falls die Verzögerung den ersten Grenzwert zwar unterschreitet aber einen zweiten Grenzwert überschreitet, der niedriger ist als der erste Grenzwert, und gleichzeitig ein Fahrerwunsch zum Bremsen vorliegt. Bei einem weniger schweren Unfall mit geringerer Verzögerung ist möglicherweise dennoch die Reaktionsfähigkeit des Fahrers beeinträchtigt, so dass er nur mit geringer Kraft das Bremspedal betätigt. Eine kurze, leichte Betätigung genügt in diesem Fall beispielsweise, um eine Bremsung bis zum Stillstand auszulösen. Vorzugsweise wird dabei der Fahrerwunsch anhand der Position und/oder Geschwindigkeit und/oder Historie der Stellung eines Bremspedals des Fahrzeuges ermittelt.In In an advantageous embodiment, a collision is also identifies if the delay is the although the first limit value falls below a second limit value, which is lower than the first limit, and at the same time Driver request for braking is present. In a less serious accident with less delay is possibly nevertheless the responsiveness impaired by the driver, so that he operates the brake pedal with only a small force. A short, easy operation enough in this case, for example, to stop braking trigger. Preferably, the driver's request is based on the position and / or Speed and / or history of the position of a brake pedal of the vehicle determined.
Vorteilhafterweise wird das automatische Bremsen des Fahrzeugs unterlassen und/oder abgebrochen, falls ein Fahr- oder Gaspedal des Fahrzeugs stärker als mit einem vorgegebenen Pedalwert betätigt wird. Der Fahrer hat somit die Möglichkeit, die automatische Bremsung zu verhindern, um beispielsweise einer drohenden Gefahrensituation entgehen zu können.advantageously, will refrain from automatic braking of the vehicle and / or aborted if the vehicle accelerates or accelerates more than is operated with a predetermined pedal value. The driver has thus the possibility of the to prevent automatic braking, for example, an impending To escape danger situation.
In vorteilhaften Ausgestaltungen wird, falls das Fahrzeug automatisch gebremst wird, ein Verbrennungsmotor des Fahrzeuges automatisch abgeschaltet und/oder, falls die Bremse ausfällt oder nicht ausreichend verzögert, eine Feststellbremse zum Bremsen des Fahrzeuges verwendet und/oder das Fahrzeug anhand der Daten einer Spurerkennung mittels eines Lenkungsstellers automatisch auf einer Fahrspur gehalten, und/oder es werden alle nicht unmittelbar benötigten elektrischen Verbraucher automatisch von einer Batterie getrennt. Diese automatischen Maßnahmen können die Schwere der Folgen einer Kollision vermindern.In advantageous embodiments, if the vehicle is automatically braked, an internal combustion engine of the vehicle is automatically switched off and / or if the brake fails or not sufficiently delayed, a parking brake used for braking the vehicle and / or automatically kept the vehicle on the basis of the data of a lane detection by means of a steering controller on a lane, and / or all not directly required electrical loads are automatically disconnected from a battery. These automatic measures can reduce the severity of the consequences of a collision.
In weiteren, vorteilhaften Ausgestaltungen wird, falls eine Kollision identifiziert wird, eine Warnblinkanlage des Fahrzeugs automatisch eingeschaltet und/oder eine Unfall- oder Pannenhilfe automatisch informiert. Durch diese automatischen Maßnahmen werden andere Verkehrsteilnehmer auf die Kollision aufmerksam gemacht, wodurch die Gefahr von Folgeunfällen verringert beziehungsweise externe Hilfe angefordert wird, wodurch beispielsweise Rettungsmaßnahmen mit geringstmöglicher Verzögerung erfolgen können.In Further, advantageous embodiments, if a collision is identified, a hazard warning lights of the vehicle automatically switched on and / or an accident or roadside assistance automatically informed. These automatic actions will make other road users made aware of the collision, which reduces the risk of subsequent accidents or external help is requested, which, for example rescue operations with the lowest possible delay can be done.
Vorzugsweise ist der Airbag ein Fahrerairbag. Dies ermöglicht kurze Leitungen im Fahrzeug.Preferably the airbag is a driver's airbag. This allows short lines in the vehicle.
Die Verzögerung wird bevorzugterweise mittels eines Beschleunigungsgebers des Fahrzeuges ermittelt, da ein solcher in jedem Fahrzeug mit Airbags zu Verfügung steht. Auch Beschleunigungssensoren eines Stabilisierungssystems sind geeignet.The delay is preferably determined by means of an acceleration sensor of the vehicle, as such is available in every vehicle with airbags. Acceleration sensors of a stabilization system are also suitable.
In einer bevorzugten Ausgestaltung wird, falls das Fahrzeug automatisch gebremst wird, die Bremse mit einer vorgegebenen Kraft betätigt. Auf diese Weise erfolgt eine einfache Ansteuerung der Bremse. Die vorgegebene Kraft liegt vorzugsweise in einem für eine theoretische Blockierbremsung erforderlichen Bereich, um eine schnelle Verzögerung des Fahrzeugs zu erreichen.In a preferred embodiment, if the vehicle is automatic is braked, the brake operated with a predetermined force. To this Way is a simple control of the brake. The default Force is preferably in one for a theoretical blocking braking required area to achieve a fast deceleration of the vehicle.
Die erfindungsgemäße Vorrichtung umfasst mindestens einen Sensor zur Identifikation eines gezündeten Airbags und/oder zur Erfassung einer Verzögerung des Fahrzeugs und mindestens eine Bremssteuereinheit zur automatischen Betätigung der Bremse bei Identifizierung eines gezündeten Airbags oder bei Feststellen eines Überschreitens eines ersten Grenzwerts für die Verzögerung des Fahrzeugs.The inventive device includes at least one sensor for identifying a detonated airbag and / or for detecting a deceleration of the vehicle and at least a brake control unit for automatically actuating the brake upon identification one ignited Airbags or upon detection of a passing of a first Limit value for the delay of the vehicle.
In einer Ausgestaltung weist die Vorrichtung zudem mindestens einen Sensor zur Erfassung der Position, der Betätigungsgeschwindigkeit, der Historie des Bremspedals und/oder des Gaspedals auf.In In one embodiment, the device also has at least one Sensor for detecting the position, the operating speed, the History of the brake pedal and / or accelerator on.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Zeichnung näher erläutert.embodiments The invention will be explained in more detail below with reference to a drawing.
Dabei zeigen:there demonstrate:
In
In einer möglichen Variante weist diese Vorrichtung zudem einen Sensor SP1 zur Erfassung der Position, der Betätigungsgeschwindigkeit und/oder der Historie des Bremspedals und einen Sensor SP2 zur Erfassung der Position, der Betätigungsgeschwindigkeit und der Historie des Fahr- oder Gaspedals.In one possible variant, this device also has a sensor S P1 for detecting the position, the operating speed and / or the history of the brake pedal and a sensor S P2 for detecting the position, the operating speed and the history of the driving or accelerator pedal.
In einer weiteren beispielhaften Ausführungsform ist ausschließlich ein einzelner Beschleunigungsgeber vorgesehen. Ein Airbag ist nicht zwingend erforderlich. Zu diesem Zweck kann auch ein Beschleunigungsgeber eines anderen Elektronikmoduls verwendet werden, beispielsweise von einem elektronischen Stabilitätsprogamm.In Another exemplary embodiment is exclusively one provided single accelerator. An airbag is not absolutely necessary. For this purpose can also be an accelerator be used by another electronic module, for example from an electronic stability program.
In
In Schritt S2 wird mittels des Signals des Beschleunigungsgebers überprüft, ob die momentane Verzögerung des Fahrzeuges über einen vorgegebenen ersten Grenzwert a1 liegt. Trifft dies zu, so wird in Schritt S3 fortgefahren, anderenfalls beginnt das Verfahren mit Schritt S1 von vorne.In step S2, it is checked by means of the signal of the acceleration sensor whether the instantaneous deceleration of the vehicle is above a predetermined first limit value a 1 . If this is the case, then the process continues in step S3, otherwise the method starts again from step S1.
In Schritt S3 wird die Bremse des Fahrzeugs betätigt und das Fahrzeug somit verlangsamt.In Step S3, the brake of the vehicle is actuated and the vehicle thus slowed down.
In dem beispielhaften Verfahren wird in Schritt S1 überprüft, ob ein Airbag des Fahrzeugs gezündet wurde. Falls dies zutrifft, wird in Schritt S5 fortgefahren, anderenfalls in Schritt S2. Das Zünden eines Airbags wird beispielhaft anhand gepufferter Zündsignale aller Airbags ermittelt.In In the exemplary method, it is checked in step S1 whether an airbag of the vehicle ignited has been. If so, it continues in step S5, otherwise in step S2. The ignition an airbag is exemplified by buffered ignition signals all airbags detected.
In Schritt S2 wird mittels des Signals des Beschleunigungsgebers überprüft, ob die momentane Verzögerung des Fahrzeuges über einem vorgegebenen ersten Grenzwert a1 liegt. Trifft dies zu, so wird in Schritt S5 fortgefahren, anderenfalls in Schritt S3.In step S2, it is checked by means of the signal of the acceleration sensor, whether the instantaneous deceleration of the vehicle is above a predetermined first limit value a 1 . If so, then the process continues in step S5, otherwise in step S3.
In Schritt S3 wird überprüft, ob die momentane Verzögerung des Fahrzeuges über einem vorgegebenen zweiten Grenzwert a2 liegt, welcher niedriger ist als der erste Grenzwert a1. Trifft dies zu, so wird in Schritt S4 fortgefahren, anderenfalls beginnt das Verfahren mit Schritt S1 erneut.In step S3, it is checked whether the current deceleration of the vehicle is above a predetermined second limit value a 2 , which is lower than the first limit value a 1 . If so, the process continues in step S4, otherwise the process begins again with step S1.
In Schritt S4 wird überprüft, ob das Bremspedal des Fahrzeugs gedrückt ist. Falls dies zutrifft, wird in Schritt S5 fortgefahren, anderenfalls beginnt das Verfahren mit Schritt S1 erneut.In Step S4 checks if the Brake pedal of the vehicle pressed is. If so, it continues in step S5, otherwise the process starts again with step S1.
In Schritt S5 wird als Signal an andere Verkehrsteilnehmer die Warnblinkanlage des Fahrzeugs eingeschaltet. Anschließend wird in Schritt S6 geprüft, ob das Gaspedal des Fahrzeugs durchgedrückt ist. Wenn dies nicht der Fall ist, wird das Verfahren mit Schritt S7 fortgesetzt, anderenfalls beginnt es mit Schritt S1 erneut.In Step S5 is used as a signal to other road users the hazard warning lights of the vehicle. Subsequently, it is checked in step S6 whether the Gas pedal of the vehicle is depressed. If not, the process goes to step S7 otherwise it starts again with step S1.
In Schritt S7 wird die Bremse des Fahrzeugs mit oder vergleichbar zu einem vorgegebenen Pedalwert betätigt. In Schritt S8 wird anschließend geprüft, ob sich das Fahrzeug im Stillstand befindet. Falls dies zutrifft, wird in Schritt S9 die Feststellbremse des Fahrzeugs aktiviert und anschließend das Verfahren beendet. Anderenfalls wird das Bremsen des Fahrzeugs in Schritt S7 beibehalten bis der Stillstand eingetreten ist. Der Stillstand des Fahrzeugs wird dabei beispielsweise mittels des Beschleunigungsgebers ermittelt.In Step S7, the brake of the vehicle with or comparable to operated a predetermined pedal value. In step S8 is subsequently checked if the vehicle is at a standstill. If so, then in step S9 the parking brake of the vehicle is activated and then the Procedure finished. Otherwise, the vehicle will brake in Keep step S7 until standstill has occurred. The standstill The vehicle is determined, for example, by means of the acceleration sensor.
In Schritt S5 kann zusätzlich oder alternativ zum Einschalten der Warnblinkanlage ein Pannen- oder Unfallhilfedienst über die festgestellte Kollision informiert werden.In Step S5 may additionally or alternatively to turn on the hazard warning lights a breakdown or Accident assistance service over the detected collision will be informed.
In Schritt S8 kann bei Ausfall der Bremse die Feststellbremse zum Bremsen verwendet werden. Weiterhin ist es möglich, an dieser Stelle oder in Schritt S9 den Motor des Fahrzeugs abzuschalten und alle nicht unmittelbar benötigten elektrischen Verbraucher von ihren Spannungsversorgungen zu trennen.In Step S8 may apply the parking brake to brake in case of brake failure be used. Furthermore, it is possible at this point or in step S9, turn off the engine of the vehicle and all not immediately needed separate electrical loads from their power supplies.
Falls das Fahrzeug einen Lenkungssteller und eine Spurerkennung aufweist, können in einem der Schritte S5 bis S8 aktive Lenkeingriffe durchgeführt werden, um das Fahrzeug in seiner Spur zu halten oder in einen erkannten oder bekannten Fluchtraum zu leiten.If the vehicle has a steering actuator and a lane recognition, can active steering interventions are performed in one of the steps S5 to S8, to keep the vehicle on track or recognized or to guide known escape space.
Das beschriebene Verfahren verhindert, dass nach einer Kollision das eigene Fahrzeug unkontrolliert weiter rollt und damit weitere Kollisionen erfährt oder zumindest vor weiteren Kollisionen möglichst viel kinetische Energie abbaut. Dabei spielt es keine Rolle, ob das Fahrzeug einen Heck-, Seiten oder versetzten Frontal-Aufprall erfahren hat. Erfindungsgemäß wird nach einer Kollision mit einer Unfallschwere, bei der der Fahrer nicht mehr in der Lage ist das Fahrzeug zu führen, automatisch eine Bremsung oder eine Verstärkung des vom Fahrer vorgegebenen Bremsmoments ausgeführt. Zur Beurteilung der Unfallschwere wird die Verzögerung des Fahrzeug mit einem Schwellwert verglichen. Dem sind andere Verfahren zur Beurteilung der Unfallschwere natürlich gleich zu setzten, die z.B. eine komplexere Analyse der Beschleunigungssignals durchführen, um zu einer Beurteilung der Unfallschwere zu gelangen.The described method prevents after a collision own vehicle uncontrolled rolls on and thus learns more collisions or at least before further collisions as much kinetic energy degrades. It does not matter if the vehicle has a rear, Has experienced side or staggered frontal impact. According to the invention a collision with an accident severity in which the driver is not more capable of guiding the vehicle, automatically braking or a reinforcement carried out by the driver predetermined braking torque. To assess the severity of the accident will be the delay of the vehicle compared to a threshold. These are other methods course to assess the accident severity equal to set, the e.g. perform a more complex analysis of the acceleration signal to to arrive at an assessment of the severity of the accident.
- BB
- Bremsebrake
- Ee
- BremssteuereinheitBrake control unit
- SA S A
- Sensor zur Identifikation eines gezündeten Airbagssensor to identify a detonated airbag
- SV S V
- Sensor zur Erfassung einer Verzögerungsensor for detecting a delay
- SP1 S P1
- Sensor zur Erfassung der Position, der Betätigungssensor for detecting the position, the actuation
- geschwindigkeit und der Historie des Bremspedalsspeed and the history of the brake pedal
- SP2 S P2
- Sensor zur Erfassung der Position, der Betätigungssensor for detecting the position, the actuation
- geschwindigkeit und der Historie des Fahrpedalsspeed and the history of the accelerator pedal
- a1 a 1
- Erster Grenzwertfirst limit
- a2 a 2
- Zweiter Grenzwertsecond limit
Claims (20)
Priority Applications (1)
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DE102004055399A DE102004055399A1 (en) | 2004-11-17 | 2004-11-17 | Motor vehicle controlling method, involves applying brake of vehicle upon identifying vehicle collision, which is identified when airbag is ignited and when deceleration of vehicle exceeds threshold, and maintaining vehicle in standstill |
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DE102004055399A DE102004055399A1 (en) | 2004-11-17 | 2004-11-17 | Motor vehicle controlling method, involves applying brake of vehicle upon identifying vehicle collision, which is identified when airbag is ignited and when deceleration of vehicle exceeds threshold, and maintaining vehicle in standstill |
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DE102004055399A1 true DE102004055399A1 (en) | 2006-05-18 |
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DE102004055399A Withdrawn DE102004055399A1 (en) | 2004-11-17 | 2004-11-17 | Motor vehicle controlling method, involves applying brake of vehicle upon identifying vehicle collision, which is identified when airbag is ignited and when deceleration of vehicle exceeds threshold, and maintaining vehicle in standstill |
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Cited By (14)
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EP1849668A1 (en) * | 2006-04-03 | 2007-10-31 | Robert Bosch Gmbh | Braking strategy for vehicles with manual transmission |
EP1932735A2 (en) | 2006-12-14 | 2008-06-18 | Volkswagen Aktiengesellschaft | Process and brake system for avoiding multiple-collision accidents and mitigating their effects |
DE102009036712A1 (en) | 2009-08-08 | 2010-03-25 | Daimler Ag | Method for reducing accident consequences in rear impact of motor vehicle, involves identifying rear collision at rear impact and maintaining predetermined brake pressure in braking system of motor vehicle |
DE102010055943A1 (en) | 2010-12-23 | 2011-08-25 | Daimler AG, 70327 | Method for operation of vehicle, involves stopping vehicle automatically by detecting collision of vehicle, where vehicle automatically decelerates according to identified unwanted movement |
DE102011108870A1 (en) | 2011-07-28 | 2012-04-12 | Daimler Ag | Method for influencing movement of vehicle i.e. motor car, during accident, involves automatically deactivating track guide device for autonomous operation of vehicle when accident of vehicle is detected |
WO2013041600A1 (en) * | 2011-09-22 | 2013-03-28 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Driver assistance system having autonomous braking to a standstill |
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DE102012019300A1 (en) | 2012-09-29 | 2014-04-03 | Daimler Ag | Method and device for operating a vehicle and vehicle with such a device |
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CN115257589A (en) * | 2022-06-28 | 2022-11-01 | 中国第一汽车股份有限公司 | Method and equipment for switching multiple modes of vehicle |
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