WO2011110312A1 - Verfahren zur bestimmung einer fahrzeugaufbaubewegung - Google Patents
Verfahren zur bestimmung einer fahrzeugaufbaubewegung Download PDFInfo
- Publication number
- WO2011110312A1 WO2011110312A1 PCT/EP2011/001067 EP2011001067W WO2011110312A1 WO 2011110312 A1 WO2011110312 A1 WO 2011110312A1 EP 2011001067 W EP2011001067 W EP 2011001067W WO 2011110312 A1 WO2011110312 A1 WO 2011110312A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- determined
- camera
- vehicle body
- movement
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 230000002123 temporal effect Effects 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3602—Input other than that of destination using image analysis, e.g. detection of road signs, lanes, buildings, real preceding vehicles using a camera
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/11—Pitch movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/112—Roll movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/114—Yaw movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/25—Stroke; Height; Displacement
- B60G2400/252—Stroke; Height; Displacement vertical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/14—Photo or light sensitive means, e.g. Infrared
- B60G2401/142—Visual Display Camera, e.g. LCD
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/22—Conjoint control of vehicle sub-units of different type or different function including control of suspension systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/02—Control of vehicle driving stability
- B60W30/04—Control of vehicle driving stability related to roll-over prevention
- B60W2030/043—Control of vehicle driving stability related to roll-over prevention about the roll axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
- B60W2420/403—Image sensing, e.g. optical camera
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/16—Pitch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/18—Roll
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20212—Image combination
- G06T2207/20221—Image fusion; Image merging
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30248—Vehicle exterior or interior
- G06T2207/30252—Vehicle exterior; Vicinity of vehicle
Definitions
- the invention relates to methods for determining a vehicle body movement of a vehicle body and for determining a compression movement of at least one spring-mounted wheel of a vehicle.
- Vehicle controlled Such vehicle functions are, for example, a damper regulation for shock absorbers or headlamp leveling for headlights of the vehicle.
- a damper regulation for shock absorbers or headlamp leveling for headlights of the vehicle are, for example, the vehicle body movement and the
- Jounce movement usually by means of spring travel sensors on wheels or
- Wheel axles of the vehicle are arranged determines.
- a rolling stability control system for a vehicle which comprises an environmental sensor system and a control unit coupled thereto.
- the controller generates dynamic vehicle characteristic control signals in response to signals from the environmental sensor system and controls
- the invention is based on the object, improved method for determining a vehicle body movement of a vehicle body or to determine a
- Specify compression travel at least one spring-mounted wheel of a vehicle.
- the object is according to the invention with regard to the determination of a
- image position data of at least one static object are determined in each case, and the vehicle body movement is determined on the basis of the temporal sequence of the determined image position data.
- image position data of an object is understood to mean data describing a position of an image of the object or positions of images of parts of the object within a camera image.
- the method according to the invention thus provides for determining the vehicle body movement by evaluating camera images which are recorded by a camera arranged on the vehicle. This eliminates the need for other sensors such as spring travel sensors, which are usually used to determine a
- Vehicle body movement can be used. This advantageously allows a
- the same camera may be used to determine vehicle body movement and for driver assistance systems, e.g. for driver assistance systems with a camera-based lane recognition or a parking assistance.
- Lane height profile of a road ahead of the vehicle determined. From the determined vehicle body movement and the determined roadway height profile, the compression movement of at least one spring-mounted wheel of the vehicle is determined.
- This method has similar advantages as the inventive method for determining a vehicle body movement, since in this case, the camera can be used in addition to the determination of the compression movement for further purposes and no further sensors for determining the compression movement are needed.
- the inventive methods can be particularly advantageous for controlling vehicle functions such as damper regulation for shock absorbers, a
- Load detection or a headlamp leveling for headlights of a vehicle can be used, the method determined according to
- Vehicle body movements and / or compression movements to control the respective vehicle function are evaluated.
- FIG. 1 schematically shows a vehicle with a camera, which is directed to a vehicle ahead of the vehicle environment, at a first time
- Fig. 2 shows schematically the vehicle shown in Fig. 1 at a second time.
- Figure 1 shows a vehicle 1 and a roadway 2, on which the vehicle 1 moves, at a first time.
- a camera 3 is arranged rigidly, wherein the camera 3 is preferably a stereo camera.
- the camera 3 is preferably a stereo camera.
- the vehicle 1 also has a control unit 5 for evaluating the camera images recorded by the camera 3.
- the control unit 5 evaluates the recorded camera images for determining vehicle body movements of a vehicle body of the vehicle 1 and / or compression movements of the wheels 7 of the vehicle 1 and, for example, for generating control signals
- FIG. 2 shows the vehicle 1 illustrated in FIG. 1 at a second, slightly later point in time, when it has moved forward on the roadway 2 with respect to the situation shown in FIG.
- the camera images recorded by the camera 3 are supplied to the control unit 5 and evaluated by the latter for determining vehicle body movements of a vehicle body of the vehicle 1 and / or of compression movements of the wheels 7 of the vehicle 1.
- control unit 5 in the camera images at least one static, i. immovable, object 8 and road sections in the detection area 4 of the camera 3 identified by known object recognition methods and image position data of the object 8 and the road sections determined. From image position data obtained in camera images taken at various adjacent times, the movement of the camera 3 relative to the object 8 and
- the object 8 in the situation of the first time shown in FIG. 1, the object 8 is located in a middle part of the detection area 4 of the camera 3, while in the situation of the second time shown in FIG. 2 it is located in an upper part of the detection area 4 , Therefore, the object 8 appears in a captured at the first time camera image in a central image area and in a camera image taken at the second time in an upper one
- Image area From the temporal change of the image area in which the object 8 appears in the camera images, it is possible to determine a change in the direction in which the object 8 is located relative to a camera-fixed reference system in which the camera 3 rests.
- the camera-fixed reference system is indicated in FIGS. 1 and 2 by Cartesian coordinate axes x ", y", z '.
- the camera-fixed reference system is also a rest system of the vehicle body, i. a reference system in which the vehicle body rests. Therefore, from the evaluation of the camera images just described, the temporal change of the tilting of the camera-fixed reference system and thus of the vehicle body in one can also be determined
- the rest system of the object 8 and the roadway 2 is indicated in FIGS. 1 and 2 by Cartesian coordinate axes x, y, z.
- the evaluation of the camera images allows the determination of the vehicle body movement, i. in particular the time profile of a pitch angle and / or a roll angle of the vehicle body and the corresponding
- Stereoscopic evaluation methods of the camera images also the determination of the distance of the camera 3 to the object 8 and its temporal change and thus in particular a relative speed of the camera 3 and the object. 8
- a roadway height profile is also determined. From the determined roadway height profile and the determined
- Vehicle body movements will be damper movements of the wheels 7 of the
- Vehicle 1 determined. For this purpose, for example, from the determined
- the determined data of the vehicle body and compression movements are used in a manner known from the prior art, by means of the control unit 5 Control signals for damper regulation of shock absorbers 6 of wheels 7 of the
- the determined data of the vehicle body movements can also be used advantageously for the dynamic headlamp leveling of headlamps of the vehicle 1, for example, the headlight range of the headlights in brake and
- Vehicle 1 for example, by an evaluation of the determined data based on stored data tohuiolitary- and / or compression movements in the unloaded state of the vehicle 1 in response to a roadway height profile.
- An advantageous embodiment of the invention further provides, by means of a suitable arranged on the vehicle 1 projection device in poor visibility conditions, a grid detectable by the camera 3 and for the human eye
- the method according to the invention can also be used in poor visibility conditions, for example at night.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
- Traffic Control Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012556408A JP5592961B2 (ja) | 2010-03-11 | 2011-03-04 | 車体の動きを特定するための方法 |
EP11707804A EP2544936A1 (de) | 2010-03-11 | 2011-03-04 | Verfahren zur bestimmung einer fahrzeugaufbaubewegung |
CN201180012868.8A CN102791557B (zh) | 2010-03-11 | 2011-03-04 | 用于确定车辆车身运动的方法 |
US13/579,958 US8744680B2 (en) | 2010-03-11 | 2011-03-04 | Method for determining a movement of a vehicle body |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010011093.0 | 2010-03-11 | ||
DE102010011093A DE102010011093A1 (de) | 2010-03-11 | 2010-03-11 | Verfahren zur Bestimmung einer Fahrzeugaufbaubewegung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011110312A1 true WO2011110312A1 (de) | 2011-09-15 |
Family
ID=43897080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/001067 WO2011110312A1 (de) | 2010-03-11 | 2011-03-04 | Verfahren zur bestimmung einer fahrzeugaufbaubewegung |
Country Status (6)
Country | Link |
---|---|
US (1) | US8744680B2 (de) |
EP (1) | EP2544936A1 (de) |
JP (1) | JP5592961B2 (de) |
CN (1) | CN102791557B (de) |
DE (1) | DE102010011093A1 (de) |
WO (1) | WO2011110312A1 (de) |
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US20140347448A1 (en) * | 2012-02-10 | 2014-11-27 | Conti Temic Microelectronic Gmbh | Determining the Characteristics of a Road Surface by Means of a 3D Camera |
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2010
- 2010-03-11 DE DE102010011093A patent/DE102010011093A1/de not_active Withdrawn
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2011
- 2011-03-04 CN CN201180012868.8A patent/CN102791557B/zh not_active Expired - Fee Related
- 2011-03-04 EP EP11707804A patent/EP2544936A1/de not_active Withdrawn
- 2011-03-04 JP JP2012556408A patent/JP5592961B2/ja not_active Expired - Fee Related
- 2011-03-04 US US13/579,958 patent/US8744680B2/en not_active Expired - Fee Related
- 2011-03-04 WO PCT/EP2011/001067 patent/WO2011110312A1/de active Application Filing
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US20140347448A1 (en) * | 2012-02-10 | 2014-11-27 | Conti Temic Microelectronic Gmbh | Determining the Characteristics of a Road Surface by Means of a 3D Camera |
US9679204B2 (en) * | 2012-02-10 | 2017-06-13 | Conti Temic Microelectronic Gmbh | Determining the characteristics of a road surface by means of a 3D camera |
Also Published As
Publication number | Publication date |
---|---|
CN102791557A (zh) | 2012-11-21 |
US8744680B2 (en) | 2014-06-03 |
EP2544936A1 (de) | 2013-01-16 |
CN102791557B (zh) | 2015-04-22 |
JP2013529153A (ja) | 2013-07-18 |
US20120323444A1 (en) | 2012-12-20 |
JP5592961B2 (ja) | 2014-09-17 |
DE102010011093A1 (de) | 2011-09-15 |
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