WO2006037680A1 - Verfahren und vorrichtung zur ansteuerung von personenschutzmitteln - Google Patents
Verfahren und vorrichtung zur ansteuerung von personenschutzmitteln Download PDFInfo
- Publication number
- WO2006037680A1 WO2006037680A1 PCT/EP2005/053867 EP2005053867W WO2006037680A1 WO 2006037680 A1 WO2006037680 A1 WO 2006037680A1 EP 2005053867 W EP2005053867 W EP 2005053867W WO 2006037680 A1 WO2006037680 A1 WO 2006037680A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- area
- protection means
- control unit
- delta
- evaluation
- Prior art date
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
- B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01542—Passenger detection systems detecting passenger motion
-
- 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
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01211—Expansion of air bags
- B60R2021/01231—Expansion of air bags control of expansion timing or sequence
-
- 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
- B60R2021/01315—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 occupant displacement
-
- 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
- B60R2021/01322—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 comprising variable thresholds, e.g. depending from other collision parameters
Definitions
- the invention is based on a method for controlling personal protection devices according to the preamble of the independent claim
- variable threshold for an integrated acceleration value is set depending on the parameters characterizing the crash process.
- the crash course and thus the crash types or the crash severity can be discussed in detail the variable threshold is determined as a function of the acceleration and the speed reduction is checked against this threshold
- the inventive method for controlling personal protection means with the features of the independent claim has the advantage that for input variables delay and / or advancement and / or deceleration characteristics are calculated, which define at least one area in a quadrant of a coordinate system, which the Auslose the personal protection As a result, a risk of injury to the occupant can be reduced if the latter is already too close to the personal protective equipment, for example an airbag.
- the method according to the invention allows an optimal adaptation of the release behavior of the personal protection device to a measured or estimated occupant position
- the personal protection means can be triggered, for example, within a first area with full protection and / or within a second area with limited protection and / or within a third area not triggered, the currently affected area determined by comparisons of the currently determined input variables with predetermined thresholds becomes
- a first characteristic of the input advance and deceleration and / or a second characteristic of the input deceleration and deceleration are used to separate mis-fire events and crash traps
- an optimal release time for the personal protection means is advantageously determined by further comparisons of the currently determined input variables with further threshold values
- the device according to the invention for carrying out the method for the drawing of personal protection means comprises a Beschleumgungssenso ⁇ k, an evaluation and control unit and a Ausloseemheit, the evaluation and control unit receives the signals of Bevantungssenso ⁇ k for activating the trigger unit for the occupant protection means, evaluates and the current input large forward displacement, Delay and / or deceleration determined and compared with at least one defined areas, which determines the release behavior of the personal protection means, the at least one area is defined by characteristics in a quadrant of a coordinate system, which calculates for the input large delay and / or advancement and / or Geschwmdtechniksabbau are
- the occupant protection means are designed as a two-stage airbag which is activated by the evaluation and control unit on the Ausloseemheit with full protection, if emen comparison of the current input variables with predetermined thresholds em first area is determined, the evaluation and Control unit activated only a first stage of the airbag, when the comparison, a second area is determined, and wherein the evaluation and control unit does not trigger the airbag, when the comparison, a third area is determined Furthermore, it is advantageous that the evaluation and control unit uses additional signal data from an upfront sensor and / or from an environment sensor and / or from a seat occupancy detection and / or from a side impact sensor to determine the current range for the required tripping behavior
- the method according to the invention for the draw-out of personal protection means is implemented as software executable on a micro processor in a control unit
- Figure 1 is a block diagram of the inventive device and Figure 2 is a schematic representation of the Auslose Schemee
- Auslosealgo ⁇ thmen for controlling personal protection systems are based essentially on signals obtained by means of acceleration sensors
- signals from environment sensors, pressure sensors, especially for Soaurprallsenstechnik and signals from sensors for seat occupancy detection can be used
- the acceleration sensors can in Steuergerat, usually in the area of the vehicle tunnel Front impact sensors are usually attached to the radiator grille, while the side impact sensors are arranged in the B pillar or the seat crossbeams.
- the acceleration signals can be compared, for example, with a noise threshold, to harmless shocks, as for example by potholes or other events are caused to underprint This creates uncertainties at the beginning of the crash It has already been proposed, the tripping This can be achieved, for example, by defining a threshold value surface, which is defined by value pairs of deceleration, deceleration and forward displacement. This threshold value surface is then compared with the forward displacement resulting from the measured values Punching, touching or cutting the Schwellwertflache, then it can be assumed that such a crash, the reason for the draw of personal protection
- the threshold value can be changed depending on characteristics such as crash severity or crash type and signals outsourced sensors such Upfro ⁇ t-, Precrash- or rare-impact sensors to respond adaptively to the respective circumstances
- characteristic curves which define at least one region in a quadrant of a coordinate system for triggering the personal protection means from the input variables delay and / or forward displacement and / or deceleration, which are derived from at least one input variable of at least one acceleration sensor determines the tripping behavior of the personal protective equipment
- FIG. 1 shows an apparatus for carrying out the method according to the invention.
- a control unit 100 has an evaluation and control unit 120, which is embodied, for example, as a microcontroller or microprocessor, to whose first data input an acceleration sensor 110 is connected, which is located inside the control unit 100 Acceleration sensor 110 measures for example inhuilangs ⁇ chtung and in the vehicle transverse direction, the acceleration sensors can also be arranged in vorgegebnen angles togglinglangs ⁇ chtung and assistedquernchtung About a first data output the Ausire us us controller 120 is connected to a release unit 130, which is designed for example as Zund Vietnamesebausteui and ignition of details of the personal protection means 200 is used.
- a release unit 130 which is designed for example as Zund Vietnamesebausteui and ignition of details of the personal protection means 200 is used.
- the trigger unit 130 is connected to the personal protection means 200 via an output.
- An upfront sensor unit 140 is connected to a second data input of the evaluation and control unit 120.
- the upfront sensor unit 140 can comprise acceleration sensors, which are fastened, for example, to the radiator grille to a data input of the evaluation unit.
- the and control unit 120 is a 39au ⁇ rallsenso ⁇ k 170 connected, which may also include acceleration sensors and / or pressure sensors, and is arranged for example in the B-pillar or in the vehicle door to a fourth data input of the evaluation and control unit eme seat occupancy recognition 160 is connected
- the seat occupancy detection 160 can the seat occupancy via a weight measurement, for example, with force measuring pins, or a seat mat, or it can be an interior video detection or ultrasound or radar detection are used to a fifth data input of Ausw
- An environment sensor 150 is connected to the control unit 120.
- the environment sensor 150 includes, for example, combinations of Ultrasonic sensors, radar sensors and / or video sensors and / or contact sensors for pedestrian protection.
- the evaluation and control unit 120 receives to carry out the method according to the invention signals a of the acceleration sensor 1 10, which are integrated to obtain a speed reduction .DELTA.v, with a further integration results in the forward displacement .DELTA.s.
- a characteristic with input values ⁇ s or ⁇ v and acceleration a is used to separate false triggering events and crash traps. Furthermore, by means of additional thresholds, which are compared with the input variables a, ⁇ v, ⁇ s, an optimal firing point determination can be carried out.
- further characteristic curves with the same input variables a, ⁇ v, ⁇ s different regions can be defined in a quadrant of a coordinate system. For example, in FIG. 2, a first characteristic 1/2 separates a first region 1 from a second region 2, and a second characteristic 1/3 separates the first region from a third region 3.
- the illustrated regions 1, 2, 3 each determine an associated one Tripping behavior of the personal protection means 200.
- the airbag 200 is triggered with full protection, if the first determined area from the currently determined inputs a, .DELTA.s, .DELTA.v by comparison with predetermined thresholds, ie the first area represents a complete deployment of the personal protection means 200. If the second area 2 is determined from the currently determined input quantities a, ⁇ s, ⁇ v by comparison with predetermined threshold values, then only the first stage of the airbag 200 is triggered, i. the second area represents a partial release of the personal protection means 200. If the third area 3 is determined from the currently determined input quantities a, ⁇ s, ⁇ v by comparison with predetermined threshold values, then the airbag 200 is not triggered, i. in the third area, a release of the personal protection means 200 is prevented.
- the first area 1 is detected, for example, when the occupant distance to the airbag 200 is large enough and a danger to the occupant by the complete release of the personal protection means is unlikely.
- the second area 2 is recognized, for example, if a complete triggering of the passenger protection device for the occupant would lead to an increased risk or if the protective effect of the first stage of the two-stage airbag 200 is sufficient for the detected crash case.
- the second stage of the airbag is triggered by a so-called "Entsorgungszündung" with a long time delay in order to prevent endangerment of persons, for example, in the recovery of injured
- the third area 3, for example, recognized when a release of the personal protection products due the detected crash severity and / or the detected crash type is not required.
- the second range is determined z
- a forward displacement of 15cm is estimated the distance as mentioned above, then in this case, the first area 1 can be determined and the two-stage airbag 200 can be fully drawn, ie with the second stage, or only partially drawn, ie with the first stage, when the jerking effect of the first Stage of the two-stage airbag 200 sufficient Whether the first stage of the two-stage airbag 200 is sufficient depends on individual characteristics such as height, weight, etc. of the occupant, which are detected by, for example, seat occupancy detection 160 and / or interior video recognition
- the occupant can be adequately protected. If the occupant is too close to the restraint means at the time of ignition, an ignition of the airbag 200 can be suppressed via an extension of the characteristic, or the full effect of the airbag can not be deployed via an adapted ignition (depowered )
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05769905A EP1796941A1 (de) | 2004-10-02 | 2005-08-05 | Verfahren und vorrichtung zur ansteuerung von personenschutzmitteln |
JP2007533979A JP2008514496A (ja) | 2004-10-02 | 2005-08-05 | 乗員保護手段の駆動制御方法および乗員保護手段の駆動制御装置 |
US11/663,717 US20110148082A1 (en) | 2004-10-02 | 2005-08-05 | Method and device for activating occupant protection means |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004048129A DE102004048129A1 (de) | 2004-10-02 | 2004-10-02 | Verfahren und Vorrichtung zur Ansteuerung von Personenschutzmitteln |
DE102004048129.6 | 2004-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006037680A1 true WO2006037680A1 (de) | 2006-04-13 |
Family
ID=35004205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/053867 WO2006037680A1 (de) | 2004-10-02 | 2005-08-05 | Verfahren und vorrichtung zur ansteuerung von personenschutzmitteln |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110148082A1 (de) |
EP (1) | EP1796941A1 (de) |
JP (1) | JP2008514496A (de) |
CN (1) | CN101031457A (de) |
DE (1) | DE102004048129A1 (de) |
WO (1) | WO2006037680A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8181730B2 (en) | 2009-02-25 | 2012-05-22 | Denso Corporation | Collision detection device for vehicle |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005015738B4 (de) | 2005-04-06 | 2018-12-20 | Robert Bosch Gmbh | Verfahren zur Erzeugung eines Auslösesignals für Insassenschutzsysteme |
DE102006021380A1 (de) * | 2006-05-08 | 2007-11-22 | Trw Automotive Gmbh | Fahrzeuginsassen-Sicherheitssystem und Verfahren zur Erkennung der Position eines Fahrzeuginsassen |
DE102006027081B4 (de) * | 2006-06-10 | 2019-07-11 | Bayerische Motoren Werke Aktiengesellschaft | Rückhaltesystem |
DE102006042769C5 (de) * | 2006-09-12 | 2011-07-28 | Continental Automotive GmbH, 30165 | Verfahren und Vorrichtung zum Auslösen eines Personenschutzmittels für ein Fahrzeug |
JP2011225149A (ja) * | 2010-04-21 | 2011-11-10 | Takata Corp | 側面衝突検出システム及び乗員拘束システム |
DE102014225147A1 (de) * | 2014-12-08 | 2016-06-09 | Robert Bosch Gmbh | Verfahren zur Identifikation einer Kennlinie |
JP6551249B2 (ja) * | 2016-02-01 | 2019-07-31 | 株式会社デンソー | 乗員状態判定装置 |
KR20220073886A (ko) | 2020-11-26 | 2022-06-03 | 현대모비스 주식회사 | 자율주행 자동차의 에어백 구동장치 및 그 제어방법 |
DE102021210334A1 (de) | 2021-09-17 | 2023-03-23 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Bestimmen von Betriebsparametern für ein Rückhaltesystem in einem Fahrzeug |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0458796A1 (de) | 1989-02-18 | 1991-12-04 | Bosch Gmbh Robert | Verfahren zur auslösung von rückhaltemitteln. |
DE19930384A1 (de) * | 1998-07-02 | 2000-01-13 | Nissan Motor | Schutzeinrichtung für Fahrzeuginsassen |
US6439007B1 (en) * | 2000-11-28 | 2002-08-27 | Trw Inc. | Enhanced occupant spring mass model for use with an actuatable restraint system including compensating for monotonicity of misuse conditions |
EP1323592A1 (de) * | 2001-12-26 | 2003-07-02 | Keihin Corporation | Vorrichtung zur Bestimmung eines Fahrzeugaufpralls |
WO2005061281A1 (de) * | 2003-12-19 | 2005-07-07 | Robert Bosch Gmbh | Verfahren zur ansteuerung von personenschutzmitteln |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3044709B2 (ja) * | 1997-09-19 | 2000-05-22 | トヨタ自動車株式会社 | 乗員保護装置の起動制御装置 |
JP3910293B2 (ja) * | 1998-03-12 | 2007-04-25 | カルソニックカンセイ株式会社 | サイドエアバッグユニット |
US6186539B1 (en) * | 1998-07-01 | 2001-02-13 | Trw Inc. | Method and apparatus for controlling an actuatable restraint device using crash severity indexing and crush zone sensor |
US6459366B1 (en) * | 2000-07-12 | 2002-10-01 | Trw Inc. | System and method for controlling an actuatable occupant protection device |
JP3487270B2 (ja) * | 2000-08-02 | 2004-01-13 | トヨタ自動車株式会社 | エアバッグ装置の起動制御装置 |
JP3487279B2 (ja) * | 2000-10-02 | 2004-01-13 | トヨタ自動車株式会社 | 乗員保護装置の起動制御装置 |
US7625006B2 (en) * | 2001-04-09 | 2009-12-01 | Trw Automotive U.S. Llc | Method and apparatus for controlling an actuatable restraining device using crush zone sensors for safing function |
US6529810B2 (en) * | 2001-04-09 | 2003-03-04 | Trw Inc. | Method and apparatus for controlling an actuatable restraining device using switched thresholds based on transverse acceleration |
US6776435B2 (en) * | 2001-04-09 | 2004-08-17 | Trw Inc. | Method and apparatus for controlling an actuatable restraining device using switched thresholds based on crush zone sensors |
JP3632619B2 (ja) * | 2001-06-06 | 2005-03-23 | トヨタ自動車株式会社 | 乗員保護装置の起動装置 |
JP2003054358A (ja) * | 2001-08-09 | 2003-02-26 | Toyota Motor Corp | 乗員保護装置の起動制御装置 |
-
2004
- 2004-10-02 DE DE102004048129A patent/DE102004048129A1/de not_active Withdrawn
-
2005
- 2005-08-05 JP JP2007533979A patent/JP2008514496A/ja active Pending
- 2005-08-05 EP EP05769905A patent/EP1796941A1/de not_active Withdrawn
- 2005-08-05 CN CNA2005800334069A patent/CN101031457A/zh active Pending
- 2005-08-05 US US11/663,717 patent/US20110148082A1/en not_active Abandoned
- 2005-08-05 WO PCT/EP2005/053867 patent/WO2006037680A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0458796A1 (de) | 1989-02-18 | 1991-12-04 | Bosch Gmbh Robert | Verfahren zur auslösung von rückhaltemitteln. |
EP0458796B1 (de) * | 1989-02-18 | 1992-11-11 | Robert Bosch Gmbh | Verfahren zur auslösung von rückhaltemitteln |
DE19930384A1 (de) * | 1998-07-02 | 2000-01-13 | Nissan Motor | Schutzeinrichtung für Fahrzeuginsassen |
US6439007B1 (en) * | 2000-11-28 | 2002-08-27 | Trw Inc. | Enhanced occupant spring mass model for use with an actuatable restraint system including compensating for monotonicity of misuse conditions |
EP1323592A1 (de) * | 2001-12-26 | 2003-07-02 | Keihin Corporation | Vorrichtung zur Bestimmung eines Fahrzeugaufpralls |
WO2005061281A1 (de) * | 2003-12-19 | 2005-07-07 | Robert Bosch Gmbh | Verfahren zur ansteuerung von personenschutzmitteln |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8181730B2 (en) | 2009-02-25 | 2012-05-22 | Denso Corporation | Collision detection device for vehicle |
Also Published As
Publication number | Publication date |
---|---|
JP2008514496A (ja) | 2008-05-08 |
EP1796941A1 (de) | 2007-06-20 |
US20110148082A1 (en) | 2011-06-23 |
CN101031457A (zh) | 2007-09-05 |
DE102004048129A1 (de) | 2006-04-06 |
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