EP4237290A1 - Verfahren zur dynamischen fixierung eines mit einem sicherheitsgurt auf einem fahrzeugsitz angeschnallten insassen - Google Patents
Verfahren zur dynamischen fixierung eines mit einem sicherheitsgurt auf einem fahrzeugsitz angeschnallten insassenInfo
- Publication number
- EP4237290A1 EP4237290A1 EP21802604.5A EP21802604A EP4237290A1 EP 4237290 A1 EP4237290 A1 EP 4237290A1 EP 21802604 A EP21802604 A EP 21802604A EP 4237290 A1 EP4237290 A1 EP 4237290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- turn
- junction
- belt
- speed
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000013459 approach Methods 0.000 claims abstract description 12
- 230000001133 acceleration Effects 0.000 claims abstract description 10
- 230000004913 activation Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 description 5
- 230000000452 restraining effect Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
-
- 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
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01252—Devices other than bags
- B60R2021/01265—Seat belts
- B60R2021/01272—Belt tensioners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R2022/4685—Reels with means to tension the belt in an emergency by forced winding up with means to adjust or regulate the tensioning force in relation to external parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
Definitions
- the invention relates to a method for dynamically restraining an occupant in a vehicle who is strapped into a vehicle seat with a safety belt, with a lateral acceleration of the vehicle and the course of the road ahead of the vehicle being determined and the seat belt being released for a predetermined period of time before entering a curve which has a predetermined curvature has, is tightened with a predetermined belt force.
- DE 102008 050 317 A1 describes a method for the dynamic fixation of a vehicle occupant who is strapped into a seat of a vehicle with a seat belt, in which a sensor is used to determine the transverse dynamics of the vehicle, with a seat belt slack being then at least partially rolled up by means of a belt retractor, when an upper threshold value of the lateral dynamics is exceeded.
- DE 102008 050 316 A1 discloses a method and a device for dynamically restraining a vehicle occupant who is strapped in with a seat belt in a seat of a vehicle.
- the method provides that at least one sensor is used to determine lateral dynamics of the vehicle, with a seat belt slack being at least partially rolled up by means of a belt retractor when an upper threshold value of the lateral dynamics is exceeded and a curve radius of a road ahead remains constant or decreases .
- DE 102009 033689 A1 discloses a vehicle seat belt system with a reversible seat belt tensioner which can apply a seat belt tightening force at a plurality of predetermined levels to a webbing of a seat belt. That
- the vehicle safety belt system also includes a control unit for controlling the belt tensioner and a device for detecting the course of the road in front of the vehicle and for detecting curves in front of the vehicle.
- the control unit causes the seat belt tensioning force to be kept at an increased level if, in the course of the road, a curve that has just been driven through is followed by another curve at a predetermined distance.
- a method for a driving dynamics adaptation of an occupant fixation is known from DE 10 2009 056 990 A1, wherein the adaptation takes place by activating at least one means for occupant fixation and a point in time for the activation is determined by the method.
- Information about the future course of the road from a navigation system and current vehicle data are taken into account.
- a curve shape and a curve start of the curve shape of a curve are initially roughly determined on the basis of the road profile data and a current vehicle position.
- a more precise determination of an exact beginning of the curve and thus of the course of the curve is carried out by determining the exact beginning of the curve or a distance to the exact beginning of the curve using an image-evaluating camera system or using a beam measurement.
- the point in time at which the occupant fixation is activated is also made dependent on a period of time that is expected to be required until the vehicle position will reach the exact beginning of the curve.
- DE 10 2010 053 352 A1 describes a method for a driving dynamics adaptation of an occupant fixation, which takes place by activating at least one means for occupant fixation, with the method determining a point in time for the activation using current vehicle data.
- the start of a curve and a course of the curve are determined by determining the start of the curve or a distance from the start of the curve and the course of the curve using an image-evaluating camera system or by measuring the beam.
- the point in time for activating the occupant fixation is made dependent on a period of time which is expected to be required until the vehicle position will reach the exact beginning of the curve.
- DE 10 2018 002 559 A1 discloses a method for dynamically restraining an occupant who is strapped into a vehicle seat with a safety belt, with a lateral acceleration of the vehicle and the course of the road ahead of the vehicle being determined.
- the seat belt becomes one tightened predetermined period of time before entering a curve with a specific curvature with a predetermined belt force.
- a vehicle seat belt device is known from US 2007/0102915 A1. This includes an electric motor for retracting a slack seat belt section of a seat belt during an emergency in a vehicle and a control unit for controlling the electric motor.
- the control unit causes the electric motor to rotate continuously only in the retracting direction and repeatedly alternates between low speed rotation and high speed rotation when an emergency condition of the vehicle is predicted.
- a belt tension is varied by repeatedly changing the rotational speed between high and low speeds, causing the seat belt to vibrate. An occupant can be alerted to a predicted emergency by this vibration.
- the invention is based on the object of specifying a method for the dynamic fixation of an occupant who is strapped into a vehicle seat with a safety belt.
- a method for the dynamic fixation of an occupant in a vehicle who is buckled up with a seat belt on a vehicle seat provides that a lateral acceleration of the vehicle and a course of the road ahead of the vehicle are determined and the seat belt is worn for a predetermined period of time before entering a curve which has a predetermined curvature , is tightened with a specified belt force.
- a comfortable speed is assigned to different turning angles of junctions and turns, with which the junction or the turn can be comfortably driven through. If the vehicle approaches a junction or a turn at a current driving speed that exceeds the comfort speed associated with the turning angle by a specified value, the seat belt is tightened with a specified belt force before the junction or turn is reached.
- the occupant in the vehicle seat is alerted to the upcoming cornering, and tightening the seat belt can provide a haptic warning to the occupant before the junction or turn, in which an increased lateral acceleration acting on the occupants is to be expected.
- the occupant in which it is in particular the driver of the vehicle, thus has the opportunity to brake and thus reduce a current driving speed of the vehicle, whereby a possible risk of accidents, z. B. when entering the junction or the turn, can be at least significantly reduced.
- the method is used for driving-adaptive occupant fixation, which fixes the occupant in the vehicle seat and thus counteracts a lateral displacement of the occupant in the vehicle seat in the direction of an outside of the junction or turn, particularly when the vehicle is driven in a sporty manner.
- One embodiment of the method provides that activation of a direction indicator of the vehicle is used to determine whether the vehicle intends to follow the junction or the turn, and when the direction indicator is activated, the current driving speed is compared with the comfort speed assigned to the turning angle. It can thus be largely ruled out that the safety belt is tightened at every branch or turn ahead of the vehicle, although the occupant, ie the driver, does not intend to turn at all. Only when the direction indicator is activated corresponding to a direction of the junction or the turning is it assumed that the vehicle is turning there.
- a junction or turn ahead of the vehicle with a corresponding turning angle is determined using map data from a navigation system of the vehicle.
- the turning angle is determined, since no curvature information is usually stored in the map data with regard to junctions and turns.
- a time window is specified until the junction or the turn is reached, within which it is necessary to activate the direction indicator to announce that the vehicle is to follow the junction or the turn.
- a further possible embodiment provides that additionally or alternatively a route section is specified up to reaching the junction or the turn, within which it is necessary to activate the direction indicator in order to follow the junction or the turn.
- a route section is specified up to reaching the junction or the turn, within which it is necessary to activate the direction indicator in order to follow the junction or the turn.
- the seat belt is tightened only when the vehicle is in a right-hand lane in the case of right-hand traffic or in a left-hand lane in the case of left-hand traffic of a roadway with several lanes running in one direction. It can thus be largely prevented that a lane change in the area of a fork or a turn results in the safety belt being tightened.
- a further possible embodiment provides that a turning angle, in particular when entering the roundabout, is determined and the seat belt is tightened by the specified value before entering the roundabout if the comfort speed is exceeded, in order to protect the occupants to warn about his current driving speed, which exceeds the assigned comfort speed, and to fix the occupant in his vehicle seat.
- the turning angle when approaching the roundabout is determined if the direction indicator is not activated.
- Fig. 1 shows a schematic of a roadway section with a bend
- Fig. 2 shows a schematic of a roadway section with a turn at a first turning angle
- Fig. 4 schematically shows a roadway section with a turn with a third turning angle
- FIG. 5 shows a diagram of a roadway section with a turn at a fourth turn angle.
- FIG. 1 shows a roadway section F with two opposing lanes F1, F2, with a vehicle 1 in a right-hand lane F1 driving towards an intersection at which vehicle 1 has the option of turning right. There are no other road users in a left lane F2.
- Information on a particular curve is obtained from map data from a navigation system of vehicle 1, so that the occupant's seat belt is tightened with the specified belt force a specified period of time before entering the curve, which has a specified curvature.
- the vehicle 1 as shown in FIG. 1 and in the following figures, approaches a turn A, a junction or a roundabout, there are no curvature data available to tighten the safety belt when a predetermined curvature is determined.
- the term turn A is also used to represent a junction and a roundabout. If the vehicle 1 drives towards the turn A and intends to turn right there, the seat belt of the occupant is not tightened, regardless of the current driving speed at which the vehicle 1 enters the turn A.
- This estimate can be made indirectly by assigning a comfort speed v to different turning angles ⁇ of a turn A, at which the turn A can still be comfortably driven through.
- FIGS. 2 to 5 illustrate a connection between turning angle ⁇ and comfort speed v.
- the method for dynamically restraining the occupant by means of the seat belt provides that the seat belt is only tightened at a turn A if the vehicle 1 approaches the turn A at a current driving speed that exceeds the comfort speed v associated with the turn angle ß by one exceeds the specified value, in particular when the instantaneous driving speed is significantly above the comfort speed v assigned to the present turning angle of the turn A.
- the safety belt is tightened with a predefined belt force.
- the safety belt is tightened comparatively easily, as a result of which the occupant is initially warned of the comparatively high instantaneous driving speed and, when turning, experiences better support for his upper body.
- the tightening of the seat belt is triggered when the current driving speed exceeds the comfort speed v associated with the turning angle ⁇ , e.g. B. by 75% exceeds.
- This percentage value can be parameterized and can be plausibly coordinated and adjusted during the development of the method.
- a time window and/or a route section before the respective turn A is defined. I.e., if the direction indicator within the specified time window or while driving on the specified Route section is activated, it is assumed that the vehicle 1 intends to turn. As a result, a case of accidental continuous flashing, which can be seen as a reason to compare the current driving speed with the corresponding comfort speed, can be essentially ruled out.
- the tightening of the seat belt is only triggered if the vehicle 1 is in a right-hand lane F1 when traffic is on the right and in a left-hand lane when traffic is on the left .
- the turning angle ⁇ is also included in a triggering decision to tighten the safety belt and the current driving speed of the vehicle 1 is compared with the comfort speed v assigned to the turning angle of entering the roundabout. If the current driving speed exceeds the comfort speed by the specified value, the tightening of the seat belt is triggered before entering the roundabout and the seat belt is tightened with the specified belt force.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
- Traffic Control Systems (AREA)
- Navigation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020006623.2A DE102020006623A1 (de) | 2020-10-28 | 2020-10-28 | Verfahren zur dynamischen Fixierung eines mit einem Sicherheitsgurt auf einem Fahrzeugsitz angeschnallten Insassen |
| PCT/EP2021/079320 WO2022090074A1 (de) | 2020-10-28 | 2021-10-22 | Verfahren zur dynamischen fixierung eines mit einem sicherheitsgurt auf einem fahrzeugsitz angeschnallten insassen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4237290A1 true EP4237290A1 (de) | 2023-09-06 |
Family
ID=78528895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21802604.5A Withdrawn EP4237290A1 (de) | 2020-10-28 | 2021-10-22 | Verfahren zur dynamischen fixierung eines mit einem sicherheitsgurt auf einem fahrzeugsitz angeschnallten insassen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12246667B2 (de) |
| EP (1) | EP4237290A1 (de) |
| JP (1) | JP7576699B2 (de) |
| KR (1) | KR102856565B1 (de) |
| CN (1) | CN116419873B (de) |
| DE (1) | DE102020006623A1 (de) |
| WO (1) | WO2022090074A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20250074066A (ko) | 2023-11-20 | 2025-05-27 | (주)대한솔루션 | 어시스트핸들을 이용한 자동차의 안전 운전 경고장치 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020069835A (ja) * | 2018-10-29 | 2020-05-07 | 日産自動車株式会社 | 乗員姿勢制御方法及び乗員姿勢制御装置 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4297560B2 (ja) | 1999-06-28 | 2009-07-15 | オートリブ株式会社 | シートベルト装置 |
| JP2006007834A (ja) * | 2004-06-22 | 2006-01-12 | Aisin Seiki Co Ltd | 車両用シート制御装置 |
| US8068956B2 (en) * | 2004-12-23 | 2011-11-29 | Daimler Ag | Restraining device for an occupant of a vehicle |
| JP2006224904A (ja) | 2005-02-21 | 2006-08-31 | Toyota Motor Corp | 車両制御装置 |
| JP4459126B2 (ja) | 2005-07-19 | 2010-04-28 | 本田技研工業株式会社 | 乗員拘束装置の制御方法 |
| JP2007131113A (ja) | 2005-11-09 | 2007-05-31 | Honda Motor Co Ltd | 車両用シートベルト装置 |
| JP2007276540A (ja) * | 2006-04-03 | 2007-10-25 | Honda Motor Co Ltd | 車両の乗員拘束装置 |
| GB2442502A (en) | 2006-10-05 | 2008-04-09 | Autoliv Dev | Progressive application of vehicle passenger reversible restraints in response to condition of road ahead |
| DE102008050316B4 (de) | 2008-10-02 | 2015-06-25 | Daimler Ag | Verfahren und Vorrichtung zur dynamischen Fixierung eines Fahrzeuginsassen |
| DE102008050317A1 (de) | 2008-10-02 | 2010-05-12 | Daimler Ag | Verfahren zur dynamischen Fixierung eines Fahrzeuginsassen |
| JP2010195131A (ja) | 2009-02-24 | 2010-09-09 | Honda Motor Co Ltd | シートベルト制御装置 |
| DE102009033689A1 (de) | 2009-07-17 | 2011-01-20 | Trw Automotive Gmbh | Fahrzeugsicherheitsgurtsystem |
| DE102009056990A1 (de) | 2009-12-04 | 2011-06-16 | Daimler Ag | Verfahren für eine fahrdynamische Adaption einer Insassenfixierung |
| DE102010053352A1 (de) | 2010-12-03 | 2012-06-06 | Daimler Ag | Verfahren für eine fahrdynamische Adaption einer Insassenfixierung |
| CN201941834U (zh) * | 2010-12-03 | 2011-08-24 | 山东理工大学 | 实现汽车转向的安全控制系统 |
| DE102011009466A1 (de) | 2011-01-26 | 2012-07-26 | Daimler Ag | Verfahren zur fahrdynamischen Abstützung eines Fahrzeuginsassen |
| GB201105279D0 (en) * | 2011-03-29 | 2011-05-11 | Jaguar Cars | Control of active vehicle device |
| JP6515773B2 (ja) | 2015-10-09 | 2019-05-22 | 株式会社デンソー | 情報処理装置 |
| WO2019003278A1 (ja) | 2017-06-26 | 2019-01-03 | 日産自動車株式会社 | 方向指示器制御方法及び方向指示器制御装置 |
| DE102018002559A1 (de) | 2018-03-28 | 2019-10-02 | Daimler Ag | Verfahren zur dynamischen Fixierung |
| JP7134063B2 (ja) | 2018-10-29 | 2022-09-09 | 日産自動車株式会社 | シート制御方法及びシート制御装置 |
| DE102019002308B4 (de) * | 2019-03-29 | 2023-11-02 | Mercedes-Benz Group AG | Verfahren zur dynamischen Fixierung |
-
2020
- 2020-10-28 DE DE102020006623.2A patent/DE102020006623A1/de not_active Withdrawn
-
2021
- 2021-10-22 CN CN202180072725.XA patent/CN116419873B/zh active Active
- 2021-10-22 JP JP2023526294A patent/JP7576699B2/ja active Active
- 2021-10-22 US US18/250,889 patent/US12246667B2/en active Active
- 2021-10-22 WO PCT/EP2021/079320 patent/WO2022090074A1/de not_active Ceased
- 2021-10-22 EP EP21802604.5A patent/EP4237290A1/de not_active Withdrawn
- 2021-10-22 KR KR1020237013441A patent/KR102856565B1/ko active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020069835A (ja) * | 2018-10-29 | 2020-05-07 | 日産自動車株式会社 | 乗員姿勢制御方法及び乗員姿勢制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7576699B2 (ja) | 2024-10-31 |
| KR20230070491A (ko) | 2023-05-23 |
| WO2022090074A1 (de) | 2022-05-05 |
| US20230406248A1 (en) | 2023-12-21 |
| JP2023547227A (ja) | 2023-11-09 |
| CN116419873A (zh) | 2023-07-11 |
| US12246667B2 (en) | 2025-03-11 |
| CN116419873B (zh) | 2026-03-17 |
| KR102856565B1 (ko) | 2025-09-08 |
| DE102020006623A1 (de) | 2022-04-28 |
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