EP1634099A2 - Dispositif pour classer au moins un objet a l'aide d'un ensemble capteur pour champ peripherique - Google Patents

Dispositif pour classer au moins un objet a l'aide d'un ensemble capteur pour champ peripherique

Info

Publication number
EP1634099A2
EP1634099A2 EP04723153A EP04723153A EP1634099A2 EP 1634099 A2 EP1634099 A2 EP 1634099A2 EP 04723153 A EP04723153 A EP 04723153A EP 04723153 A EP04723153 A EP 04723153A EP 1634099 A2 EP1634099 A2 EP 1634099A2
Authority
EP
European Patent Office
Prior art keywords
speed
acceleration
determined
classification
environment sensor
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.)
Ceased
Application number
EP04723153A
Other languages
German (de)
English (en)
Inventor
Dirk Weber
Alfred Kuttenberger
Marc Theisen
Michael Bunse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1634099A2 publication Critical patent/EP1634099A2/fr
Ceased legal-status Critical Current

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
    • B60R21/013—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
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G01S7/415—Identification of targets based on measurements of movement associated with the target
    • 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
    • G01S7/4804—Auxiliary means for detecting or identifying lidar signals or the like, e.g. laser illuminators
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/165—Anti-collision systems for passive traffic, e.g. including static obstacles, trees
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/66—Radar-tracking systems; Analogous systems
    • G01S13/72—Radar-tracking systems; Analogous systems for two-dimensional [2D] tracking, e.g. combination of angle and range tracking, track-while-scan radar
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/932—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using own vehicle data, e.g. ground speed, steering wheel direction
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9323—Alternative operation using light waves
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9324—Alternative operation using ultrasonic waves

Definitions

  • the invention is based on a device for classifying at least one object with an environmental sensor system according to the type of the independent patent claim.
  • a camera-based pre-crash detection system is known from DE 100 25 678 A1. Collision opponents are classified in terms of safe typing. The classification is based on the relative speed of these objects.
  • the device according to the invention for classifying at least one object with the features of the independent patent claim has the advantage over the prior art that the object is now classified on the basis of its speed and acceleration.
  • the acceleration information can also be used to achieve a more reliable classification of objects.
  • a first distinguishing criterion is, for example, the exclusion of objects firmly anchored in the ground, such as piles and walls, if a speed other than zero can be assigned to the object to be classified. If necessary, the position of the object (eg on the road, next to the road) can also be used to check the plausibility of the classification. Different classes of objects (such as vehicles on the one hand and pedestrians on the other hand) can also due to their Movement patterns, i.e. the respective speed and acceleration characteristics can be distinguished.
  • This classification can be used when assigning a crash object to the class of moving objects for a more precise control of restraint systems.
  • the acceleration of the object is determined as a function of the observer's own acceleration.
  • the acceleration can also or additionally be determined from the time profile of the natural speed and the object speed.
  • the own speed means the speed of the observer, that is, the own vehicle, which is equipped with the classification device. This own speed can be determined, for example, using wheel speeds, the ABS system or the speedometer.
  • the object speed is the speed of the object. Alternatively, the speed can also be determined on the basis of a temporal course of location information.
  • the environment sensor system can also have a photon mixture detector and / or an LEDAR system, the LIDAR system using lasers in addition to the conventional radar system that uses microwaves.
  • the environment sensor system can advantageously also have a photon mixture detector.
  • the so-called time-of-flight measurement is used, which enables distance information in the image plane of an imaging system.
  • the driver can also be informed if, for example, there is a critical situation with a high risk of an accident.
  • This information can be optically, acoustically and / or haptically. Tightening of the reversible belt tensioner serves in particular as haptic information.
  • a restraint system is activated depending on this classification. This is particularly advantageous when controlling reversible restraint devices.
  • FIG. 1 shows a typical scene between a vehicle and an object and FIG. 2 shows a block diagram of the device according to the invention.
  • sensors such as radar, ultrasound, lidar or video technology
  • Such information about the time of impact and speed can be determined in pre-crash systems in order to activate restraint devices.
  • Speed characteristics classified This means that the speed characteristic is determined from the speed of the object and its acceleration. Both parameters, the speed and the acceleration, define this Object, so that depending on the classification, precise control of restraint devices can then be carried out.
  • the measuring system determines the relative speed between the crash object and your own vehicle. From this relative speed and the actual speed of the own vehicle, which e.g. The speed of the object can be calculated via CAN. The acceleration of the object can then also be estimated from the history of both data and the braking state of the own vehicle. A classification by an object classification algorithm is carried out on the basis of the speed and the acceleration of the object. If an object belongs to the class of moving and accelerated objects, this information can be used in the algorithm for controlling restraint systems, since it can be excluded with a high degree of probability that it is a pile or a rigid wall. The control of the restraint systems can then in the algorithm according to the object class and other crash parameters, e.g. of acceleration signals and the relative speed.
  • crash parameters e.g. of acceleration signals and the relative speed.
  • FIG. 1 shows such a scene in which the device according to the invention is used.
  • Own vehicle 10 has its own speed VE
  • an object 11 of an observed vehicle has the own speed VO due to the pre-crash sensor system of vehicle 10.
  • the relative speed VR results from the vectorial subtraction of the own speed VE and the own speed VO.
  • the speed VR can be determined by a pre-crash sensor system.
  • the acceleration behavior of the vehicle 11 can be determined, for example, from the time profile of the relative speed VR.
  • the speed VO which is determined by means of the relative speed VR and the own speed VE, and the acceleration of the vehicle 11 lead to a classification of the vehicle 11.
  • the own speed VE is determined, for example, via the wheel speeds.
  • FIG. 2 explains the device according to the invention in a block diagram.
  • the relative speed VR is determined in block 21 via a pre-crash sensor system.
  • the own speed VE is determined in block 20, for example, via the wheel speeds and / or a tachometer.
  • a classification algorithm 22 which is calculated on a processor of the control unit, for example an airbag control unit, the object speed and its acceleration.
  • the algorithm 22 classifies the vehicle 11 from these speeds and the acceleration. It then assigns predetermined object classes, which are defined by the speed VO and the acceleration, to the object 11.
  • delays which are generated in block 24, are then triggered to control the restraint means.
  • the restraint means are, for example, the restraint means R1 a belt tensioner 27 and R2 a front airbag 28 and RN a passenger airbag 29.
  • FIG. 3 explains the individual components of the device according to the invention in a further block diagram.
  • a pre-crash sensor system 30 determines the relative speed VR of the object 11.
  • the processor 31 which receives the signal from the pre-crash sensor system 30, the self-speed VO of the object 11 is then determined from the vehicle's own speed on which the pre-crash sensor system 30 is located.
  • the own speed VE is determined, for example, via a wheel speed measurement or the tachometer, this information is contained on the CAN bus, for example.
  • the acceleration behavior of the object 11 is determined from the time profile of the speed VO and the speed VE.
  • the object classification then takes place from this, that is to say the class of the object is determined by the acceleration and the speed VO.
  • This object class is then transmitted to a control unit 34 for restraint systems.
  • the control unit 34 which is connected to other vehicle components and sensors via connections (not shown here), determines the activation of restraint devices 35, which include airbags, belt tensioners and roll bars, depending on the object class and these further parameters.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Air Bags (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

L'invention concerne un dispositif pour classer au moins un objet à l'aide d'un ensemble capteur pour champ périphérique. Ce dispositif classe ledit objet sur la base de sa vitesse et de son accélération, ces dernières étant définies par le dispositif à partir d'un signal délivré par l'ensemble capteur de champ périphérique.
EP04723153A 2003-05-28 2004-03-25 Dispositif pour classer au moins un objet a l'aide d'un ensemble capteur pour champ peripherique Ceased EP1634099A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10324217A DE10324217A1 (de) 2003-05-28 2003-05-28 Vorrichtung zur Klassifizierung von wenigstens einem Objekt mit einer Umfeldsensorik
PCT/DE2004/000615 WO2004110813A2 (fr) 2003-05-28 2004-03-25 Dispositif pour classer au moins un objet a l'aide d'un ensemble capteur pour champ peripherique

Publications (1)

Publication Number Publication Date
EP1634099A2 true EP1634099A2 (fr) 2006-03-15

Family

ID=33441408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04723153A Ceased EP1634099A2 (fr) 2003-05-28 2004-03-25 Dispositif pour classer au moins un objet a l'aide d'un ensemble capteur pour champ peripherique

Country Status (5)

Country Link
US (1) US7636625B2 (fr)
EP (1) EP1634099A2 (fr)
JP (1) JP2006517287A (fr)
DE (1) DE10324217A1 (fr)
WO (1) WO2004110813A2 (fr)

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EP2883756B1 (fr) 2013-12-12 2019-11-06 Volvo Car Corporation Système de sécurité et procédé de fonctionnement pour système de sécurité d'un véhicule
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Also Published As

Publication number Publication date
US7636625B2 (en) 2009-12-22
WO2004110813A2 (fr) 2004-12-23
DE10324217A1 (de) 2004-12-16
US20060050148A1 (en) 2006-03-09
WO2004110813A3 (fr) 2005-05-12
JP2006517287A (ja) 2006-07-20

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