DE102008062309A1 - Sensor arrangement for detecting of impending side collision for motor vehicle, has sensor, where detection area of sensor is characterized by main detecting direction - Google Patents
Sensor arrangement for detecting of impending side collision for motor vehicle, has sensor, where detection area of sensor is characterized by main detecting direction Download PDFInfo
- Publication number
- DE102008062309A1 DE102008062309A1 DE200810062309 DE102008062309A DE102008062309A1 DE 102008062309 A1 DE102008062309 A1 DE 102008062309A1 DE 200810062309 DE200810062309 DE 200810062309 DE 102008062309 A DE102008062309 A DE 102008062309A DE 102008062309 A1 DE102008062309 A1 DE 102008062309A1
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- DE
- Germany
- Prior art keywords
- sensor
- vehicle
- sensor arrangement
- detecting
- arrangement according
- 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
- 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
-
- 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
- B60R2021/0002—Type of accident
- B60R2021/0006—Lateral collision
Abstract
Description
Die Erfindung betrifft eine Sensoranordnung zur Erkennung eines drohenden Seitenaufpralls für ein Kraftfahrzeug, mit wenigstens einem Sensor, dessen Erfassungsbereich durch eine Haupterfassungsrichtung charakterisiert ist.The The invention relates to a sensor arrangement for detecting an imminent Side impact for a motor vehicle, with at least one Sensor, whose detection area by a main detection direction is characterized.
Sogenannte Pre-Crash-Systeme (PCS) mit einer Sensoranordnung zur Erkennung eines drohenden Frontalaufpralls sind bereits auf dem Markt verfügbar. Um bereits während der Pre-Crash-Phase (also vor einem drohenden Aufprall) Maßnahmen im Fahrzeug einzuleiten, benötigen solche Systeme Informationen über die Umgebung des Fahrzeugs, die durch geeignete Umfeldsensoren ermittelt und mittels spezieller Algorithmen ausgewertet werden können. Die Sensoren zur Erkennung von Objekten in Fahrzeugnähe sind bislang üblicherweise an der Fahrzeugfront angebracht.So-called Pre-crash systems (PCS) with a sensor arrangement for detection an impending head-on collision are already available on the market. To already during the pre-crash phase (ie before a imminent impact) to initiate measures in the vehicle, Such systems need information about the Environment of the vehicle, which is determined by suitable environmental sensors and can be evaluated by means of special algorithms. The sensors for detecting objects near the vehicle So far, they are usually mounted on the front of the vehicle.
Aus
der
Aufgabe der Erfindung ist es, die Erkennung eines drohenden Seitenaufpralls zu verbessern.task The invention is the detection of an impending side impact to improve.
Gelöst wird diese Aufgabe durch eine Sensoranordnung zur Erkennung eines drohenden Seitenaufpralls für ein Kraftfahrzeug mit den Merkmalen des Anspruchs 1. Vorteilhafte und zweckmäßige Ausgestaltungen der erfindungsgemäßen Sensoranordnung ergeben sich aus den Unteransprüchen.Solved This object is achieved by a sensor arrangement for detecting a threatening side impact for a motor vehicle with the Features of claim 1. Advantageous and expedient embodiments the sensor arrangement according to the invention result from the dependent claims.
Die erfindungsgemäße Sensoranordnung ist dadurch gekennzeichnet, dass der Sensor bezogen auf die zur Fahrzeug-Front weisenden Fahrzeuglängsrichtung im hinteren Bereich des Fahrzeugs angeordnet ist, insbesondere am oder in der Nähe des Fahrzeug-Hecks.The Sensor arrangement according to the invention is characterized in that that the sensor relative to the vehicle front-facing vehicle longitudinal direction is arranged in the rear region of the vehicle, in particular on or near the vehicle's stern.
Die Erfindung beruht auf der Erkenntnis, dass sich – entgegen den Erwartungen – herausgestellt hat, dass für Pre-Crash-Anwendungen in Bezug auf Seitenkollisionen am Fahrzeug-Heck angebrachte Sensoren bessere Ergebnisse liefern als Sensoren, die an der Fahrzeugfront oder auf der Höhe der vorderen Fahrzeugtüren an der Fahrzeugseite angebracht sind. Die Erkennungsraten sind im Vergleich deutlich höher, und zwar ungeachtet des zugrunde liegenden Sensorprinzips (Radar, Laser, Ultraschall, etc.) und der tatsächlichen Reichweite (maximaler Erfassungsbereich) der Sensoren. Es wurde erkannt, dass die Haupterfassungsrichtung eines Sensors bei Anbringung am Fahrzeug-Heck besser mit der relativen Bewegungsrichtung der Kollisionsobjekte übereinstimmt als bei Sensoren, die z. B. an der Fahrzeugfront angebracht sind.The Invention is based on the knowledge that - contrary Expectations - has proven that for Pre-crash applications related to side collisions at the vehicle's stern attached sensors provide better results than sensors that at the front of the vehicle or at the level of the front vehicle doors attached to the vehicle side. The detection rates are in Comparison significantly higher, regardless of the underlying Sensor principle (radar, laser, ultrasound, etc.) and the actual Range (maximum detection range) of the sensors. It was recognized that the main detection direction of a sensor when mounting at the vehicle rear better with the relative direction of movement of the Collision objects matches as with sensors that z. B. are attached to the vehicle front.
Die besten Erkennungsraten, insbesondere über den zeitlichen Verlauf ab der Erkennung eines Objekts gesehen, ergeben sich hierbei für einen im hinteren Bereich des Fahrzeugs angeordneten Sensor, dessen Haupterfassungsrichtung mit der Fahrzeuglängsrichtung einen spitzen Winkel einschließt, wobei der Winkel vorzugsweise in einem Bereich zwischen 20° und 60° liegt. Bei einer solchen Anordnung und Ausrichtung ist die Wahrscheinlichkeit am größten, dass die Erkennung eines Kollisionsobjektes nahezu unabhängig ist von der so genannten Time-to-Collision (TTC), also der Zeitdauer, die zwischen dem aktuell betrachteten Zustand und dem Moment des Aufpralls vergeht. Voraussetzung hierfür ist selbstverständlich, dass die ”Sicht” des Sensors auf das Kollisionsobjekt nicht verdeckt ist.The best detection rates, especially over the temporal History seen from the detection of an object arise here for a arranged in the rear of the vehicle Sensor, whose main detection direction with the vehicle longitudinal direction includes an acute angle, the angle preferably in a range between 20 ° and 60 °. at such an arrangement and orientation is the probability the greatest that the detection of a collision object is almost independent of the so-called time-to-collision (TTC), ie the time between the currently considered Condition and the moment of impact passes. Prerequisite is of course, that the "view" of the Sensor is not obscured on the collision object.
Gegenstand der Erfindung sind auch eine Seitenaufprall-Schutzvorrichtung für ein Kraftfahrzeug mit einer erfindungsgemäßen Sensoranordnung sowie ein Kraftfahrzeug mit einer erfindungsgemäßen Seitenaufprall-Schutzvorrichtung.object The invention also provides a side impact protection device for a motor vehicle with an inventive Sensor arrangement and a motor vehicle with an inventive Side impact protection device.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und aus den beigefügten Zeichnungen, auf die Bezug genommen wird. In den schematischen Zeichnungen zeigen:Further Features and advantages of the invention will become apparent from the following Description and from the accompanying drawings, to which Reference is made. In the schematic drawings show:
In
In
Der
Sensor
In
Im
weiteren zeitlichen Verlauf des Kollisionsszenarios entfernt sich
das zweite Fahrzeug
Um
eine zuverlässige Erkennung des zweiten Fahrzeugs
Wie
unschwer zu erkennen ist, stimmt bei dieser Anordnung und Ausrichtung
des Sensors
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - US 2004/0093141 A1 [0003] - US 2004/0093141 A1 [0003]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810062309 DE102008062309A1 (en) | 2008-12-15 | 2008-12-15 | Sensor arrangement for detecting of impending side collision for motor vehicle, has sensor, where detection area of sensor is characterized by main detecting direction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810062309 DE102008062309A1 (en) | 2008-12-15 | 2008-12-15 | Sensor arrangement for detecting of impending side collision for motor vehicle, has sensor, where detection area of sensor is characterized by main detecting direction |
Publications (1)
Publication Number | Publication Date |
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DE102008062309A1 true DE102008062309A1 (en) | 2010-06-17 |
Family
ID=42168728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE200810062309 Withdrawn DE102008062309A1 (en) | 2008-12-15 | 2008-12-15 | Sensor arrangement for detecting of impending side collision for motor vehicle, has sensor, where detection area of sensor is characterized by main detecting direction |
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DE (1) | DE102008062309A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19845568A1 (en) * | 1998-04-23 | 1999-10-28 | Volkswagen Ag | Object detection device for motor vehicles |
US20040093141A1 (en) | 2002-11-13 | 2004-05-13 | Rao Manoharprasad K. | Vehicle radar-based side impact assessment method |
DE10337620A1 (en) * | 2003-08-16 | 2005-03-10 | Daimler Chrysler Ag | Vehicle, especially car, pre-safe system for adjusting vehicle suspension settings in a crash situation, whereby if a crash situation occurs, chassis and suspension are automatically adjusted to maximize occupant safety |
DE10355325A1 (en) * | 2003-11-27 | 2005-06-23 | Robert Bosch Gmbh | Motor vehicle passenger restraining system which makes additional use of the sensors of the vehicle parking assistance system as approach sensors |
DE102004032048A1 (en) * | 2004-07-02 | 2006-01-19 | Conti Temic Microelectronic Gmbh | Object e.g. vehicle, orientation determining method, involves sending impulses from one object in two measuring channels, where length of one object is determined relative to another object based on measured impulse values of all channels |
DE102005019461A1 (en) * | 2005-04-27 | 2006-11-09 | Robert Bosch Gmbh | Triggering method for activation of vehicle-occupant protection units, involves classifying objects based on detected lateral speeds of vehicle and collision speed of objects, and finding speed of hitting of collision object on vehicle |
-
2008
- 2008-12-15 DE DE200810062309 patent/DE102008062309A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19845568A1 (en) * | 1998-04-23 | 1999-10-28 | Volkswagen Ag | Object detection device for motor vehicles |
US20040093141A1 (en) | 2002-11-13 | 2004-05-13 | Rao Manoharprasad K. | Vehicle radar-based side impact assessment method |
DE10337620A1 (en) * | 2003-08-16 | 2005-03-10 | Daimler Chrysler Ag | Vehicle, especially car, pre-safe system for adjusting vehicle suspension settings in a crash situation, whereby if a crash situation occurs, chassis and suspension are automatically adjusted to maximize occupant safety |
DE10355325A1 (en) * | 2003-11-27 | 2005-06-23 | Robert Bosch Gmbh | Motor vehicle passenger restraining system which makes additional use of the sensors of the vehicle parking assistance system as approach sensors |
DE102004032048A1 (en) * | 2004-07-02 | 2006-01-19 | Conti Temic Microelectronic Gmbh | Object e.g. vehicle, orientation determining method, involves sending impulses from one object in two measuring channels, where length of one object is determined relative to another object based on measured impulse values of all channels |
DE102005019461A1 (en) * | 2005-04-27 | 2006-11-09 | Robert Bosch Gmbh | Triggering method for activation of vehicle-occupant protection units, involves classifying objects based on detected lateral speeds of vehicle and collision speed of objects, and finding speed of hitting of collision object on vehicle |
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Legal Events
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20110701 |