WO2014108108A1 - Vorrichtung zur erfassung einer oberfläche eines kraftfahrzeugs - Google Patents
Vorrichtung zur erfassung einer oberfläche eines kraftfahrzeugs Download PDFInfo
- Publication number
- WO2014108108A1 WO2014108108A1 PCT/DE2013/000782 DE2013000782W WO2014108108A1 WO 2014108108 A1 WO2014108108 A1 WO 2014108108A1 DE 2013000782 W DE2013000782 W DE 2013000782W WO 2014108108 A1 WO2014108108 A1 WO 2014108108A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor vehicle
- scanner
- optical image
- coordinate data
- base units
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/02—Sensing devices
- B25J19/021—Optical sensing devices
- B25J19/023—Optical sensing devices including video camera means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
Definitions
- the invention relates to a device for three-dimensional detection of the surface of a motor vehicle.
- portal scanners are used, among other things, which have one or more laser scanners for detecting the top side and the sides of the motor vehicle.
- the portal scanner is in this case moved over the longitudinal axis of the motor vehicle, wherein the data of the laser scanner are transmitted to a picture processing system and evaluated by means of special algorithms for detecting damage.
- the object of the invention is to develop a device which enables a three-dimensional detection of the entire surface of a motor vehicle and a high detection density.
- the device according to the invention has a control and evaluation unit.
- the control and evaluation unit is connected to the means for optical image acquisition.
- the image coordinate data obtained by the means for optical image processing can be detected by the control and evaluation unit and further processed.
- a positioning device carries the means for optical image capture and is movable relative to the surface of the motor vehicle.
- the positioning device comprises two subunits, each subunit having a base unit and a scanner arm.
- the base unit is arranged on a linear guide by means of a translational drive means along a longitudinal axis linearly movable.
- a scanner arm On each of the two base units, a scanner arm is arranged in each case.
- the scanner arm is arranged pivotable about a horizontal transverse axis, which is transverse to the longitudinal axis, wherein the scanner arm is pivotable by means of a rotary drive means.
- Each of the two scanner arms carries at least one optical image acquisition means.
- the subunits are designed according to size and positional relationship such that between them a motor vehicle with its motor vehicle longitudinal axis can be positioned substantially parallel to the longitudinal axis of the base units. Thereby, the means for optical image acquisition can be aligned so that - in Dependence on the position of base units and associated scanner arms - the surface of the motor vehicle to be measured can be detected.
- the control and evaluation unit By means of the control and evaluation unit, the movement of the base units and the scanner arms are controllable and their position can be determined. Furthermore, by means of the control and evaluation unit, the current position of the base units and the scanner arms can be seen.
- the image coordinate data provided by the optical image sensing means initially represent three-dimensional coordinate data which is relative to the position of the optical image-sensing means at the time of recording.
- the control and evaluation unit merges the relative three-dimensional coordinate data with the data about the position of the base units and scanner arms.
- the spatial coordinate data of points of the surface of the motor vehicle can be determined by the control and evaluation unit by means of the image coordinate data and the data on the position of the base units and the scanner arms, wherein the data of both subunits can be determined in a uniform spatial coordinate system.
- the spatial coordinate data in a uniform spatial coordinate system in the control and evaluation are evaluable available.
- To be available in an evaluable manner means in particular that the data can be visualized, output, for example printable, stored or transferred to other computers.
- the spatial coordinate data can also be the basis for automated target / actual comparisons and advanced algorithms, which may include, for example, damage calculations, investigations of required spare parts and the like.
- a particular advantage of the device is the possibility of a complete detection of the surface of the motor vehicle, since the device can detect the surface of the motor vehicle at the front and at the rear completely and at a favorable angle with approximately horizontal position of the scanner arms.
- both subunits of the device can be positioned synchronously. This means that both base units are synchronously movable and their respective scanner arms are also synchronously pivotable.
- the surface of the motor vehicle can advantageously be detected in a uniform scanning process from the front to the rear.
- each of the subunits can also be positioned separately; So it is the base units are moved separately or their scanner arm separately pivoted.
- the scanner arm on the base unit can be pivoted so far down about the horizontal transverse axis that the detection area of at least one means for optical image acquisition detects the vehicle underside or parts thereof.
- the scanner arm is pivotable in a range of 0 to 360 degrees.
- this also makes it possible to scan the underbody of a motor vehicle when the vehicle is on a raised lift.
- the scanner arm has a vertical section and an adjoining cranked section.
- the cranked portion tilts from the longitudinal extent of a straight portion of the scanner arm toward the vehicle.
- the means for opti- image capture can be positioned at a lower angle to the surfaces of the top and the front and rear end and possibly also to the vehicle floor.
- the cranked portion of the scanner arm preferably has a length in the order of half the vehicle width of a motor vehicle.
- the scanner arms of the device consist in a further development of carbon fiber reinforced plastic, whereby they are very stable at low intrinsic mass and require only small driving forces for pivoting.
- the positioning device according to a further variant is arranged on a lift, wherein in the raised state of the lift the underbody of a motor vehicle is optically detectable, so that its condition as well as that of the components of the floor assembly can be assessed.
- a stereo camera system is used as the means for optical image acquisition.
- the spatial coordinate data of points of the surface of the vehicle can be clearly detected and the surface topology based thereon can be determined.
- each scanner arm advantageously several stereo camera systems are arranged, so that a low-distortion optical detection of the surface of the motor vehicle is feasible.
- Each stereoscopic camera system is associated with a respective projection unit in an advantageous development.
- the projection of a pattern on the surface of the motor vehicle can be realized in a variant by means of the projection unit, which can be present for example in the form of a dot pattern.
- the projection unit which can be present for example in the form of a dot pattern.
- points are set with its help, which are recognizable by the two cameras of a stereo camera system and allow a reliable calculation of the depth information. Deformations or damage to the body are so accurately determined.
- the projection unit can be used to illuminate the surface.
- a targeted illumination of the surface of the motor vehicle takes place during the optical detection by means of a stereo camera system.
- Fig. 1 is a schematic representation of the device as a section across the
- Fig. 2 is a schematic representation of the device in side view explained in more detail.
- a device for three-dimensional detection of the surface of a vehicle has, according to FIG. 1, a positioning device with two subunits 1 .1; 1.2, which consists of a base unit 2.1; 2.2 with a scanner arm 3.1 arranged thereon; 3.2 exists.
- the scanner arm 3.1; 3.2 is pivotable about a horizontal transverse axis 4.1, 4.2 and the base unit 2.1; 2.2 horizontally movable on a linear guide 5.1, 5.2.
- the scanner arm 3.1; 3.2 carries as a means of optical image capture stereo camera systems 6.1; 6.2; 6.3; 6.4; 6.5; 6.6, wherein each stereo camera system 6.1 to 6.6 a projection unit 7.1; 7.2; 7.3; 7.4; 7.5; 7.6 for projecting a pattern or for illuminating the surface of a motor vehicle 8, which according to FIG. 1 and FIG. 2 between the subunits 1.1 and 1.2 along a longitudinal axis of the base units 2.1; 2.2 is positioned at a predetermined location, is assigned.
- the subunits 1 .1; 1.2 are connected to a control and evaluation unit, not shown, of which both the position of the base units 2.1; 2.2 and the scanner arms 3.1; 3.2 detected and controlled and the projection unit 7.1; 7.2; 7.3; 7.4; 7.5; 7.6 is driven as well as the data of the optical image acquisition by means of the stereo camera systems 6.1; 6.2; 6.3; 6.4; 6.5; 6.6 are recorded and evaluated.
- the scanner arm 3.1; 3.2 has a straight section 9.1; 9.2 and an adjoining cranked section 10.1; 10.2.
- the linear guides 5.1; 5.2 are mounted on a lift 1 1. For three-dimensional detection of the surface of the motor vehicle 8 this is perpendicular to the scanner arms 3.1; 3.2 between the subunits 1.1; 1.2 positioned on the lift 1 1.
- the vehicle data are read out and read into the control and evaluation unit.
- the vehicle data can be transmitted by means of a mobile terminal to the control and evaluation unit.
- the basic units 2.1; 2.2 are stored according to the stored in a database data of the vehicle type on the linear guides 5.1; 5.2 proceed so far that the scanner arms 3.1; 3.2 for detecting the front of the motor vehicle 8, in a required scanning volume for the respective vehicle type, to be pivoted.
- the motion control of base units 2.1; 2.2 and scanner arms 3.1; 3.2 also take place via the image coordinates obtained by the stereo camera system, by means of which information about the distance to the vehicle is always present.
- the acquired data of the positions of the base units 2.1; 2.2 and the scanner arms 3.1; 3.2 as well as the image data of the stereo camera systems 6.1; 6.2; 6.3; 6.4; 6.5; 6.6 transferred in real time to the control and evaluation unit.
- the scanner arms 3.1; 3.2 moves back into a vertical position and there is the same time the evaluation of the acquired data, wherein the general state of the scanned surface whose topology with damage and / or deformations are determined.
- the storage of the data of the evaluation takes place under assignment to the vehicle type and the registration number of the motor vehicle 8 detected during the scan.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013006378.6T DE112013006378A5 (de) | 2013-01-08 | 2013-12-16 | Vorrichtung zur Erfassung einer Oberfläche eines Kraftfahrzeugs |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202013000050.3 | 2013-01-08 | ||
DE201320000050 DE202013000050U1 (de) | 2013-01-08 | 2013-01-08 | Vorrichtung zur Erfassung einer Oberfläche eines Kraftfahrzeugs |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014108108A1 true WO2014108108A1 (de) | 2014-07-17 |
Family
ID=47879055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2013/000782 WO2014108108A1 (de) | 2013-01-08 | 2013-12-16 | Vorrichtung zur erfassung einer oberfläche eines kraftfahrzeugs |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE202013000050U1 (de) |
WO (1) | WO2014108108A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645625A (zh) * | 2018-03-21 | 2018-10-12 | 北京纵目安驰智能科技有限公司 | 尾端与侧面结合的3d车辆检测方法、系统、终端和存储介质 |
CN109239086A (zh) * | 2018-10-22 | 2019-01-18 | 上海爱被思智能科技有限公司 | 车辆漆面及外观瑕疵检测系统 |
US10880538B2 (en) | 2013-10-22 | 2020-12-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for detecting an object with circular-arc-shaped supporting elements |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018022130A1 (en) | 2016-07-27 | 2018-02-01 | Scannmen Ltd. | Hybrid 3d optical scanning system |
IT201700093595A1 (it) * | 2017-08-11 | 2019-02-11 | Angelo Vicino | Procedimento e apparato per la rilevazione di ammaccature da grandine sulla carrozzeria di un veicolo o simili |
FR3075371B1 (fr) * | 2017-12-19 | 2020-10-30 | Moncarrosse | Systeme d'aide a la detection d'un defaut de surface |
US11333615B2 (en) | 2018-01-26 | 2022-05-17 | Vehicle Service Group, Llc | Vehicle surface scanning system |
BR112020019738A2 (pt) | 2018-03-29 | 2021-02-17 | Twinner Gmbh | sistema de detecção de veículo |
DE202018001659U1 (de) | 2018-03-29 | 2019-07-03 | Twinner Gmbh | Fahrzeugerfassungssystem |
DE102018002621A1 (de) | 2018-03-29 | 2019-10-02 | Twinner Gmbh | Fahrzeugerfassungssystem |
DE102018113919A1 (de) * | 2018-06-11 | 2019-12-12 | ATB Blank GmbH | Vorrichtung zur Oberflächeninspektion eines Kraftfahrzeugs und Verfahren hierzu |
US11574395B2 (en) | 2020-11-25 | 2023-02-07 | Vehicle Service Group, Llc | Damage detection using machine learning |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3720795A1 (de) * | 1987-06-24 | 1989-01-05 | Stiefelmayer Kg C | Geraet zum messen, anreissen, antasten, bearbeiten od. dgl. von werkstuecken im raum |
DE4315161A1 (de) * | 1993-05-07 | 1994-11-10 | Bodenseewerk Geraetetech | Vorrichtung zum Vermessen von Bauteilen mittels eines Tasters |
US6615112B1 (en) * | 1999-06-26 | 2003-09-02 | Kuka Schweissanlagen Gmbh | Method and device for calibrating robot measuring stations, manipulators and associated optical measuring devices |
US20100291310A1 (en) * | 2007-08-02 | 2010-11-18 | Gerhard Hartmann | Rotary connection coupling |
-
2013
- 2013-01-08 DE DE201320000050 patent/DE202013000050U1/de not_active Expired - Lifetime
- 2013-12-16 DE DE112013006378.6T patent/DE112013006378A5/de not_active Withdrawn
- 2013-12-16 WO PCT/DE2013/000782 patent/WO2014108108A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3720795A1 (de) * | 1987-06-24 | 1989-01-05 | Stiefelmayer Kg C | Geraet zum messen, anreissen, antasten, bearbeiten od. dgl. von werkstuecken im raum |
DE4315161A1 (de) * | 1993-05-07 | 1994-11-10 | Bodenseewerk Geraetetech | Vorrichtung zum Vermessen von Bauteilen mittels eines Tasters |
US6615112B1 (en) * | 1999-06-26 | 2003-09-02 | Kuka Schweissanlagen Gmbh | Method and device for calibrating robot measuring stations, manipulators and associated optical measuring devices |
US20100291310A1 (en) * | 2007-08-02 | 2010-11-18 | Gerhard Hartmann | Rotary connection coupling |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10880538B2 (en) | 2013-10-22 | 2020-12-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for detecting an object with circular-arc-shaped supporting elements |
CN108645625A (zh) * | 2018-03-21 | 2018-10-12 | 北京纵目安驰智能科技有限公司 | 尾端与侧面结合的3d车辆检测方法、系统、终端和存储介质 |
CN108645625B (zh) * | 2018-03-21 | 2022-02-18 | 北京纵目安驰智能科技有限公司 | 尾端与侧面结合的3d车辆检测方法、系统、终端和存储介质 |
CN109239086A (zh) * | 2018-10-22 | 2019-01-18 | 上海爱被思智能科技有限公司 | 车辆漆面及外观瑕疵检测系统 |
CN109239086B (zh) * | 2018-10-22 | 2023-11-17 | 上海易清智觉自动化科技有限公司 | 车辆漆面及外观瑕疵检测系统 |
Also Published As
Publication number | Publication date |
---|---|
DE202013000050U1 (de) | 2013-02-08 |
DE112013006378A5 (de) | 2015-09-17 |
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