EP3374794A1 - Sensoranordnung und verfahren zur ansteuerung von insassenschutzmittel - Google Patents
Sensoranordnung und verfahren zur ansteuerung von insassenschutzmittelInfo
- Publication number
- EP3374794A1 EP3374794A1 EP16775259.1A EP16775259A EP3374794A1 EP 3374794 A1 EP3374794 A1 EP 3374794A1 EP 16775259 A EP16775259 A EP 16775259A EP 3374794 A1 EP3374794 A1 EP 3374794A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- occupant
- sensor arrangement
- protection means
- movement
- occupant protection
- 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- Withdrawn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 description 19
- 230000003213 activating effect Effects 0.000 title 1
- 238000011156 evaluation Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000009795 derivation Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
-
- 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
- B60R21/0153—Passenger detection systems using field detection presence sensors
-
- 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
- B60R21/0153—Passenger detection systems using field detection presence sensors
- B60R21/01538—Passenger detection systems using field detection presence sensors for image processing, e.g. cameras or sensor arrays
-
- 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
- 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
- B60R21/01552—Passenger detection systems detecting position of specific human body parts, e.g. face, eyes or hands
-
- 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
- B60R21/017—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including arrangements for providing electric power to safety arrangements or their actuating means, e.g. to pyrotechnic fuses or electro-mechanic valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/42—Simultaneous measurement of distance and other co-ordinates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
Definitions
- a disadvantage of this method is that the forward displacement of an occupant occurring as a result of an impact is not measured directly, but is estimated on the basis of the acceleration or deceleration detected by acceleration sensors.
- the present invention provides a sensor arrangement and method for controlling occupant protection means according to the independent claims.
- a sensor arrangement has a transmitting unit for emitting a light beam.
- a broadcast unit typically includes a light source and suitable optics. It would also be conceivable to use a laser source as the emitting unit.
- the sensor arrangement comprises a controllable deflection unit for deflecting the emitted light beam.
- a deflection unit may, for example, be a mirror.
- So-called controllable micro mirrors have proven to be particularly advantageous, which are used, for example, in projection technology.
- such a sensor arrangement comprises a receiving unit to receive the emitted light beam when it is reflected by an object.
- the receiving unit consists of photosensitive element, which is tuned to the wavelength range of the emitted light beam.
- the photosensitive element detects the reflected light rays and converts them by means of a conversion unit into electrical signals.
- Embodiment of the invention could be used to a photodiode.
- the photosensitive element may be preceded by an optical element, which focuses the light rays and directed at the photosensitive element.
- Conceivable in this context is the use of a correspondingly shaped lens.
- an evaluation unit of the sensor arrangement the reflected portion of the emitted light beam is evaluated in order to detect the object on which the light beam has been reflected.
- an evaluation unit can be a
- microcontrollers or an application specific integrated circuit include microcontrollers or an application specific integrated circuit (AS IC)
- the sensor unit can be connected to a device for controlling occupant protection means.
- the term "connectable” should be understood, inter alia, to mean that the sensor arrangement and the device are connected via a communication means, such as a data bus, for example a CAN bus, or a crash sensor interface, for example, according to the SPI standard, are interconnected. It is also conceivable that the sensor arrangement is part of the device.
- the evaluation unit is designed such that the evaluation unit determines a current position of the detected object.
- An advantage of this embodiment in comparison to known devices or methods for deriving or estimating the current position of the detected object, in particular a vehicle occupant, is that the instantaneous position can be determined directly from the signals of the sensor arrangement and not derived from the sensor signals or is appreciated.
- the evaluation unit is configured such that the evaluation unit determines a momentary movement, in particular a momentary direction of movement, of the detected object.
- Sensor signals determines the movement.
- the movement and in particular the individual direction of movement of the object, in particular of a vehicle occupant are precisely determined and can be udgl in the optimized control of occupant protection means, such as airbags, belt tensioners, active vehicle seats. be used.
- the evaluation unit is designed such that the evaluation unit performs a classification of the detected object.
- a 3D model of the detected object in particular of a vehicle occupant, can be created, at least on the lighting side. From the 3D model can be the
- Proportions of the object allow the size of the object to be determined directly. From the proportions, however, more accurate derivations of the weight of the object, in particular of a vehicle occupant, can also be carried out in a simple manner.
- a classification is to be understood as meaning the determination of a variable, in particular the assignment to a size class or also the derivation of a weight, in particular the assignment to a weight class.
- the methods according to the present invention have the advantage that a more precise control of the occupant protection means or a more coordinated activation of the occupant protection means can be undertaken.
- Controlling the occupant protection means tuned or depending on the determined movement of the occupant leads to ensuring an improved occupant protection level. It is particularly advantageous not only the movement of the occupant in the
- the occupant protection means can be optimally adapted to the occupants to be protected.
- the occupant protection means will vary depending on the classification of the person to be protected
- the classification is carried out by means of the evaluation unit of the sensor arrangement on the basis of the portions of the emitted light beam reflected by the occupant. An assignment of the occupant to be protected to occupant classes,
- Beams of light support an optimally coordinated release of the
- Fig. 1a shows a flowchart of one embodiment of the methods of the present invention.
- step 101 the reflected portion of the emitted light beam is evaluated to determine a current position of a detected occupant. This evaluation can be carried out by means of the evaluation unit of the sensor arrangement of the present invention.
- step 102 occupant protection means are driven, wherein the
- Control the determined, current position of the detected occupant is taken into account; Consequently, the occupant protection means are controlled as a function of the determined, current position of the occupant.
- Fig. 1b shows a flow chart of one embodiment of the methods of the present invention.
- step 201 the reflected portion of the emitted light beam is evaluated to a current movement, in particular a momentary
- Step 202 occupant protection means are driven, wherein at the
- Figure lc shows a flow chart of one embodiment of the methods of the present invention.
- step 301 the reflected portion of the emitted light beam is evaluated to classify a detected occupant. Under one
- the classification of a detected occupant is inter alia to be used to determine detectable or derivable parameters of an occupant and to assign them to a class. This includes in particular the detection or derivation of a size of the occupant and the assignment of the occupant to a
- step 302 occupant protection means are activated, wherein at the
- Control the classification of the detected occupant is taken into account; Consequently, the occupant protection means are controlled depending on the classification of the occupant.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Air Bags (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015221992.5A DE102015221992A1 (de) | 2015-11-09 | 2015-11-09 | Sensoranordnung und Verfahren zur Ansteuerung von Insassenschutzmittel |
| PCT/EP2016/073646 WO2017080716A1 (de) | 2015-11-09 | 2016-10-04 | Sensoranordnung und verfahren zur ansteuerung von insassenschutzmittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3374794A1 true EP3374794A1 (de) | 2018-09-19 |
Family
ID=57047238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16775259.1A Withdrawn EP3374794A1 (de) | 2015-11-09 | 2016-10-04 | Sensoranordnung und verfahren zur ansteuerung von insassenschutzmittel |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20200282935A1 (de) |
| EP (1) | EP3374794A1 (de) |
| JP (1) | JP6895962B2 (de) |
| CN (1) | CN108351415A (de) |
| DE (1) | DE102015221992A1 (de) |
| WO (1) | WO2017080716A1 (de) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023109A1 (de) * | 1990-07-20 | 1992-01-23 | Messerschmitt Boelkow Blohm | Insassenschutzsystem fuer fahrzeuge |
| JPH1143009A (ja) * | 1996-07-13 | 1999-02-16 | Automot Technol Internatl Inc | パターン認識を利用した車両用光学式確認および監視システム |
| EP1071582A1 (de) * | 1999-02-24 | 2001-01-31 | Siemens Automotive Corporation | Insassenerfassungssystem für ein fahrzeug |
| DE19908165A1 (de) * | 1999-02-25 | 2000-08-03 | Siemens Ag | Gerät zum Erfassen eines Objektes oder einer Person im Innenraum eines Fahrzeugs |
| DE19932520A1 (de) * | 1999-07-12 | 2001-02-01 | Hirschmann Austria Gmbh Rankwe | Vorrichtung zur Steuerung eines Sicherheitssystems |
| JP3732398B2 (ja) * | 2000-10-11 | 2006-01-05 | 三菱電機株式会社 | 乗員保護装置 |
| JP3819292B2 (ja) * | 2001-12-25 | 2006-09-06 | 三菱電機株式会社 | 人物状態判別装置 |
| WO2004083004A1 (de) * | 2003-03-21 | 2004-09-30 | Siemens Aktiengesellschaft | System und verfahren zum erkennen der sitzbelegung in einem fahrzeug |
| WO2004100551A1 (de) * | 2003-05-08 | 2004-11-18 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zum erfassen eines objektes oder einer person |
| JP2005271745A (ja) * | 2004-03-25 | 2005-10-06 | Mitsubishi Electric Corp | 車両用乗員検知装置 |
| DE102007059898A1 (de) * | 2007-12-12 | 2009-06-18 | Robert Bosch Gmbh | Verfahren und Steuergerät zur Ansteuerung von Personenschutzmitteln für ein Fahrzeug |
| DE102010031261A1 (de) * | 2010-07-12 | 2012-01-12 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Schutz eines Fahrzeuginsassen bei einem Aufprall |
| DE102014210494B4 (de) * | 2014-06-03 | 2022-12-29 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben eines Fahrzeugs |
-
2015
- 2015-11-09 DE DE102015221992.5A patent/DE102015221992A1/de active Pending
-
2016
- 2016-10-04 EP EP16775259.1A patent/EP3374794A1/de not_active Withdrawn
- 2016-10-04 JP JP2018523473A patent/JP6895962B2/ja active Active
- 2016-10-04 CN CN201680065610.7A patent/CN108351415A/zh active Pending
- 2016-10-04 US US15/774,554 patent/US20200282935A1/en not_active Abandoned
- 2016-10-04 WO PCT/EP2016/073646 patent/WO2017080716A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017080716A1 (de) | 2017-05-18 |
| US20200282935A1 (en) | 2020-09-10 |
| DE102015221992A1 (de) | 2017-05-11 |
| JP2018535882A (ja) | 2018-12-06 |
| CN108351415A (zh) | 2018-07-31 |
| JP6895962B2 (ja) | 2021-06-30 |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| DAV | Request for validation of the european patent (deleted) | ||
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| 18D | Application deemed to be withdrawn |
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