DE10234624B4 - Passive safety system for motor vehicles with pre-crash sensor - Google Patents
Passive safety system for motor vehicles with pre-crash sensor Download PDFInfo
- Publication number
- DE10234624B4 DE10234624B4 DE10234624A DE10234624A DE10234624B4 DE 10234624 B4 DE10234624 B4 DE 10234624B4 DE 10234624 A DE10234624 A DE 10234624A DE 10234624 A DE10234624 A DE 10234624A DE 10234624 B4 DE10234624 B4 DE 10234624B4
- Authority
- DE
- Germany
- Prior art keywords
- sensor
- acceleration
- crash
- protective measures
- triggering
- 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.)
- Expired - Fee Related
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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
- B60R21/0132—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
- B60R21/01332—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 by frequency or waveform analysis
-
- 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
-
- 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
- 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
- B60R2021/01345—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 using mechanical sensing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Air Bags (AREA)
Abstract
Passives Sicherheitssystem für Kraftfahrzeuge mit Precrash-Sensoren, die nach einem der bekannten Prinzipien wie Lidar, Radar, Bildexplosion oder Stereobildverarbeitung arbeiten zur Auslösung von passiven Schutzmaßnahmen beim Crash eines Fahrzeuges dadurch gekennzeichnet, dass mindestens einer dieser vorausschauenden Sensoren (105, 106, 108) einen Sensorblock (608) für die Messung des Körperschalls und der Beschleunigung enthält und Prognosefenster (311, 315) crashrelevanter Signale wie Körperschall und Beschleunigung und/oder Geschwindigkeitsverlust ermittelt und mindestens eines der beim ersten Aufprall mit im Fahrzeug befindlichen geeigneten Sensoren gemessenen Signale über eine Korrelation im Korrelator (312, 314) mit den Daten wie Amplitude, Form und zeitliches Eintreffen im Prognosefenster (311, 315) verglichen werden und bei positiven Vergleich unmittelbar eine Auslösung der Sicherheitsmaßnahmen (313) erfolgt.passive Security system for Motor vehicles with precrash sensors, which after one of the well-known Principles like lidar, radar, image explosion or stereo image processing work to trigger of passive protective measures in a crash of a vehicle, characterized in that at least one of these prospective sensors (105, 106, 108) has a sensor block (608) for the measurement of structure-borne noise and the acceleration contains and forecast windows (311, 315) of crash-relevant signals such as structure-borne noise and acceleration and / or velocity loss are determined and at least one of the first impact with in-vehicle suitable sensors measured signals via a correlation in the correlator (312, 314) with the data such as amplitude, shape and temporal arrival in the forecast window (311, 315) and positive ones Comparison immediately a trigger the security measures (313).
Description
Stand der TechnikState of the art
Für die Verbesserung von passiven Sicherheitssystemen in Kraftfahrzeugen wurden Anordnungen mit sogenannten Precrash Sensoren beschrieben, die unmittelbar vor dem Aufprall mindestens eine bevorstehenden Aufprall erkennen um den Nachteil der unpräzisen Aufprallgeschwindigkeitsabschätzung die, den rein beschleunigungsbasierten Airbagsysteme anhaftet zu vermeiden. Damit werden insbesondere die unteren Geschwindigkeitsbereiche definiert bei denen keine der Rückhaltemaßnahmen ausgelöst werden soll. Die Auslösestrategie der genannten Sicherheitssysteme wird in der Auswertung ihrer beschleunigungsbasierten Airbag-Gurtstrammer-Auslösegeräte nur insofern beeinflusst als bereits bekannte Verfahren genützt werden und nur die Schwellwerte für die Auslösung gemäß der Precrash-Sensor-Daten angepasst oder geändert werden.For the improvement from passive safety systems in motor vehicles were arrangements described with so-called precrash sensors, which are just ahead recognize the impact of at least one imminent impact the disadvantage of imprecise Impact speed estimation which adheres to the purely acceleration-based airbag systems avoid. This defines in particular the lower speed ranges where none of the retention measures are triggered should. The triggering strategy The safety systems mentioned are used in the evaluation of their acceleration-based Airbag belt tensioner tripping devices only insofar influenced as already known methods are used and only the thresholds for the release adjusted according to the precrash sensor data or changed become.
Außerdem wird beschrieben, dass, gesteuert durch z. B. mehrere Radarsensoren, Stoßstangen als „Fühler" für die Beurteilung der Masse des Hindernisses ausgefahren werden um die Auslösealgorithmen der gängigen Auslösesensoren anzupassen. Diese Vorgehensweisen sind in folgenden Schriften im einzelnen oder kombiniert beschrieben:
- 1.
DE 197 24 496 A1 - 2.
DE 100 22 173 A1 - 3.
DE 101 00 880 A1 - 4.
DE 197 54 220 A1 - 5.
DE 197 42 606 A1 - 6.
DE 100 49 911 A1 - 7.
DE 100 65 518 A1 - 8.
DE 197 36 840 A1 - 9.
DE 198 15 002 A1 - 10.
DE 196 47 660 A1
- 1.
DE 197 24 496 A1 - Second
DE 100 22 173 A1 - Third
DE 101 00 880 A1 - 4th
DE 197 54 220 A1 - 5th
DE 197 42 606 A1 - 6th
DE 100 49 911 A1 - 7th
DE 100 65 518 A1 - 8th.
DE 197 36 840 A1 - 9th
DE 198 15 002 A1 - 10th
DE 196 47 660 A1
Aufgabe der ErfindungObject of the invention
Aufgabe der Erfindung ist es mittels vorausschauender noch berührungsloser Umgebungserfassung für zu erwartende Signale im Bereich des Körperschalls der Beschleunigung oder deren Ableitung oder Integration Prognosefenster zu ermitteln. Diese Prognosefenster werden im Hinblick auf das zeitliche Auftreten und die zeitliche Folge aus der Annäherungssituation ermittelt. Durch Vergleich der auftretenden Signale mit den vorher berechneten, in einem Einzelsensor oder eines Sensorsystems wird die Auslöseentscheidung für die verschiedenen Schutzmaßnahmen und die notwendige zeitliche Abfolge getroffen. Durch die Korrelation der Annäherung und dem Auftreffen der vorher berechneten Signale wird eine hohe Auslösesicherheit und auch die richtige zeitliche Staffelung erreicht. Ebenso eine hohe Sicherheit eine Fehlauslösung zu vermeiden. Letztlich ist kein Zentralsystem mehr nötig, sondern nur Einzelsteuergeräte, die z. B. in der Frontscheibe und z. B. in jede B-Säule, zur Überprüfung der richtigen und sicheren Auslösung von Schutzmaßnahmen integriert werden. Dabei geht es auch darum, dass bei schwerwiegender Kollision z. B. mit einer Mauer möglichst frühzeitig ausgelöst wird, während bei Kollisionsgegnern mit z. B. geringer Masse keine Auslösung oder erst später durch die Beschleunigungsbewertung erfolgt.task The invention is by means of predictive even more contactless Environment detection for expected signals in the area of the structure-borne noise of the acceleration or their derivation or integration to determine forecast windows. These forecast windows are in terms of timing and determines the time sequence from the approach situation. By comparing the occurring signals with the previously calculated, in a single sensor or a sensor system, the triggering decision for the various protective measures and hit the necessary chronological order. By the correlation the approach and the impact of the previously calculated signals is a high firing safety and also reached the right time staggering. Likewise one high security a false trip to avoid. Ultimately, no central system is needed anymore, but only individual control units, the z. B. in the windscreen and z. B. in each B-pillar, to check the correct and safe triggering of protective measures to get integrated. It is also about that when serious Collision z. B. is triggered as early as possible with a wall, while in Kollisionsgegnern with z. B. low mass no triggering or later done by the acceleration evaluation.
Beschreibung der ErfindungDescription of the invention
Die
Erfindung wird anhand der
Eine
weitere Ausführung
der Erfindung ist in
Durch
die Erzeugung der Prognosedaten für Körperschall und Beschleunigung
im Sensor selbst und durch den Vergleich der realen Daten aus dem Sensorblock
Neben
der Entscheidung durch die Precrash-Sensoren
Die
Erfindung kann entsprechend
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10234624A DE10234624B4 (en) | 2002-07-29 | 2002-07-29 | Passive safety system for motor vehicles with pre-crash sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10234624A DE10234624B4 (en) | 2002-07-29 | 2002-07-29 | Passive safety system for motor vehicles with pre-crash sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10234624A1 DE10234624A1 (en) | 2004-05-13 |
DE10234624B4 true DE10234624B4 (en) | 2008-08-07 |
Family
ID=32102707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10234624A Expired - Fee Related DE10234624B4 (en) | 2002-07-29 | 2002-07-29 | Passive safety system for motor vehicles with pre-crash sensor |
Country Status (1)
Country | Link |
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DE (1) | DE10234624B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102649412A (en) * | 2011-02-23 | 2012-08-29 | 奥迪股份公司 | Motor vehicle |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004031010A1 (en) * | 2004-06-26 | 2006-01-12 | Conti Temic Microelectronic Gmbh | Device and method for triggering an occupant protection system in a vehicle |
DE102005033937B4 (en) * | 2005-07-19 | 2014-09-25 | Robert Bosch Gmbh | Method and device for controlling personal protective equipment |
DE102007038366B4 (en) * | 2007-08-09 | 2019-08-14 | Volkswagen Ag | Method and device for controlling precrash means in a motor vehicle |
DE102008059695A1 (en) | 2008-11-29 | 2010-06-02 | Daimler Ag | Input parameters detection device for use in car, has receiving unit detecting object penetrating within detection area of light curtain, and controller that allows activation of passenger safety device during detection of object |
EP2272723B1 (en) * | 2009-07-08 | 2013-09-11 | Robert Bosch Gmbh | Method and control device for the activation of passenger safety means in a vehicle |
DE102010009667B4 (en) * | 2010-02-27 | 2013-04-04 | Audi Ag | A method for determining a severity of a collision of a motor vehicle with an object |
DE102011077486B3 (en) | 2011-06-14 | 2012-10-18 | Robert Bosch Gmbh | Device and method for triggering an occupant protection device, triggering system and vehicle |
DE102012018214B4 (en) | 2012-09-14 | 2014-04-30 | Audi Ag | Motor vehicle with an occupant protection device |
DE102013003267A1 (en) * | 2013-02-27 | 2014-08-28 | Volkswagen Aktiengesellschaft | Apparatus, method, computer program for providing a tripping characteristic for a tripping signal, which effects a tripping characteristic of a safety device in a motor vehicle, taking into account the tripping characteristic |
WO2020109633A1 (en) | 2018-11-27 | 2020-06-04 | Aerolaser System S.L. | Airborne colour optical scanner |
Citations (10)
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DE19724496A1 (en) * | 1996-06-11 | 1997-12-18 | Toyota Motor Co Ltd | Obstacle detection apparatus for motor vehicle safety system |
DE19647660A1 (en) * | 1996-11-19 | 1998-05-20 | Daimler Benz Ag | Trigger device for occupant restraint systems in a vehicle |
DE19754220A1 (en) * | 1997-05-17 | 1998-11-19 | Bosch Gmbh Robert | Vehicle collision detection method |
DE19736840A1 (en) * | 1997-08-23 | 1999-02-25 | Volkswagen Ag | Method of situation dependent triggering of a retention system for vehicles |
DE19742606A1 (en) * | 1997-09-26 | 1999-04-01 | Volkswagen Ag | Method and device for activating occupant protection systems in motor vehicles |
DE19815002A1 (en) * | 1998-04-03 | 1999-10-14 | Bosch Gmbh Robert | Method for determining control data for triggering restraint devices in a vehicle |
DE10022173A1 (en) * | 2000-05-06 | 2001-11-15 | Daimler Chrysler Ag | Triggering passenger protection devices involves two-stage triggering approach of sending indirect triggering command, starting time window, triggering if not canceled within time window |
DE10049911A1 (en) * | 2000-10-10 | 2002-04-11 | Daimler Chrysler Ag | Method for activating vehicle occupant protection system based on probability analysis taking into account approach velocity, etc. determined from approach sensors, so that probability of false activation is reduced |
DE10065518A1 (en) * | 2000-12-28 | 2002-07-11 | Bosch Gmbh Robert | Method for triggering restraint devices in a motor vehicle |
DE10100880A1 (en) * | 2001-01-11 | 2002-07-25 | Bosch Gmbh Robert | Impact detection for motor vehicle involves deploying crumple zone extension in impact direction depending on pre-crash signals, adaptive ignition of restraining arrangements |
-
2002
- 2002-07-29 DE DE10234624A patent/DE10234624B4/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19724496A1 (en) * | 1996-06-11 | 1997-12-18 | Toyota Motor Co Ltd | Obstacle detection apparatus for motor vehicle safety system |
DE19647660A1 (en) * | 1996-11-19 | 1998-05-20 | Daimler Benz Ag | Trigger device for occupant restraint systems in a vehicle |
DE19754220A1 (en) * | 1997-05-17 | 1998-11-19 | Bosch Gmbh Robert | Vehicle collision detection method |
DE19736840A1 (en) * | 1997-08-23 | 1999-02-25 | Volkswagen Ag | Method of situation dependent triggering of a retention system for vehicles |
DE19742606A1 (en) * | 1997-09-26 | 1999-04-01 | Volkswagen Ag | Method and device for activating occupant protection systems in motor vehicles |
DE19815002A1 (en) * | 1998-04-03 | 1999-10-14 | Bosch Gmbh Robert | Method for determining control data for triggering restraint devices in a vehicle |
DE10022173A1 (en) * | 2000-05-06 | 2001-11-15 | Daimler Chrysler Ag | Triggering passenger protection devices involves two-stage triggering approach of sending indirect triggering command, starting time window, triggering if not canceled within time window |
DE10049911A1 (en) * | 2000-10-10 | 2002-04-11 | Daimler Chrysler Ag | Method for activating vehicle occupant protection system based on probability analysis taking into account approach velocity, etc. determined from approach sensors, so that probability of false activation is reduced |
DE10065518A1 (en) * | 2000-12-28 | 2002-07-11 | Bosch Gmbh Robert | Method for triggering restraint devices in a motor vehicle |
DE10100880A1 (en) * | 2001-01-11 | 2002-07-25 | Bosch Gmbh Robert | Impact detection for motor vehicle involves deploying crumple zone extension in impact direction depending on pre-crash signals, adaptive ignition of restraining arrangements |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102649412A (en) * | 2011-02-23 | 2012-08-29 | 奥迪股份公司 | Motor vehicle |
CN102649412B (en) * | 2011-02-23 | 2014-12-03 | 奥迪股份公司 | Motor vehicle |
Also Published As
Publication number | Publication date |
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DE10234624A1 (en) | 2004-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |