EP4295324A1 - Verfahren zur unterstützenden oder automatisierten fahrzeugführung - Google Patents
Verfahren zur unterstützenden oder automatisierten fahrzeugführungInfo
- Publication number
- EP4295324A1 EP4295324A1 EP21827596.4A EP21827596A EP4295324A1 EP 4295324 A1 EP4295324 A1 EP 4295324A1 EP 21827596 A EP21827596 A EP 21827596A EP 4295324 A1 EP4295324 A1 EP 4295324A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- objects
- boids
- vehicle
- ego vehicle
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
-
- 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
- B60W60/00—Drive control systems specially adapted for autonomous road vehicles
- B60W60/001—Planning or execution of driving tasks
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
-
- 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
- B60W2554/00—Input parameters relating to objects
- B60W2554/20—Static objects
-
- 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
- B60W2554/00—Input parameters relating to objects
- B60W2554/40—Dynamic objects, e.g. animals, windblown objects
- B60W2554/404—Characteristics
-
- 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
- B60W2554/00—Input parameters relating to objects
- B60W2554/40—Dynamic objects, e.g. animals, windblown objects
- B60W2554/404—Characteristics
- B60W2554/4049—Relationship among other objects, e.g. converging dynamic objects
-
- 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
- B60W2554/00—Input parameters relating to objects
- B60W2554/80—Spatial relation or speed relative to objects
-
- 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
- B60W2556/00—Input parameters relating to data
- B60W2556/10—Historical data
-
- 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
- B60W2754/00—Output or target parameters relating to objects
- B60W2754/10—Spatial relation or speed relative to objects
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/12—Computing arrangements based on biological models using genetic models
Definitions
- the present invention relates to a method, in particular a computer-implemented method, for supporting or automated vehicle guidance of an ego vehicle and a driver assistance system for an ego vehicle for supporting or automated vehicle guidance of the ego vehicle.
- Generic vehicles such. As passenger vehicles (cars), trucks (trucks) or motorcycles are increasingly equipped with driver assistance systems, which detect the environment or the environment using sensor systems, detect traffic situations and can support the driver, z. B. by braking or steering intervention or by issuing a visual, haptic or acoustic warning.
- Radar sensors, lidar sensors, camera sensors, ultrasonic sensors or the like are regularly used as sensor systems for detecting the surroundings. From the sensor data determined by the sensors, conclusions can then be drawn about the environment, e.g. B. also a so-called environment model can be generated. Based on this, instructions for driver warnings/information or for controlled steering, braking and acceleration can then be issued.
- the assistance functions that process sensor and environment data can e.g.
- EBA Emergency Brake Assist
- AEB Automatic Emergency Brake
- ACC Adaptive cruise control assistants
- the sensors can be used to detect static targets or objects, which z. B. the distance to a vehicle driving ahead or the course of the road can be estimated.
- the detection or recognition of objects and in particular their plausibility check is of particular importance in order to recognize, for example, whether a vehicle driving ahead is relevant for the respective assistance function or regulation.
- a criterion here is that z. B. as a target vehicle (target) recognized object in the same lane as the own vehicle (ego vehicle) drives.
- Known driver assistance systems try z. B. using the sensors to estimate a lane course in order to determine whether a target vehicle is in one's own lane.
- a suitable algorithm e.g. curve-fitting algorithm
- a deviation of the other road users from this path can be used to decide in which lane the respective road user is driving.
- the object is usually detected via a radar sensor, which has a sufficient sensor range and detection reliability. Nevertheless, the quality of the geometric or kinematic estimates at the beginning of the measurement is often still too poor or too few measurements were carried out or measuring points were generated. The variations in the filters used are often too great, so that e.g. B. no sufficiently reliable lane assignment of radar objects, for example at a distance of 200 meters, can be made.
- DE 102015205 135 A1 discloses a method in which the relevant objects in a scene (e.g. crash barriers, lane center lines, road users) are represented as objects in a swarm: the objects are recognized using external sensors and in object constellations shown, with an object constellation comprising two or more objects, ie measurements/objects are combined in order to save computing time and increase the accuracy of the estimation. Accordingly, the combinations of different measurements of the same object do not represent technically necessary constellations to achieve a saving in computing time, however, since they relate to different measurements of the same object and not different objects.
- the data from the external sensor system can, for example, be raw sensor data or pre-processed sensor data and/or sensor data selected according to predetermined criteria. For example, this can be image data, laser scanner data or object lists, object contours or so-called point clouds (which, for example, represent an arrangement of specific object parts or object edges).
- Object of the present invention can, for example, be raw sensor data or pre-processed sensor data and/or sensor data selected according
- the object of the present invention is to provide a method by which the accuracy of the estimation can be increased with advantageous computing time.
- the ego vehicle comprises a control device and at least one sensor, preferably a plurality of sensors, for detecting the surroundings, the sensors detecting objects in the surroundings of the ego vehicle. Furthermore, a trajectory is planned based on the detected environment, with the vehicle being guided by the ego vehicle based on the trajectory planning, for which the objects in the environment are used for trajectory planning. Boids are then generated for the objects, which are defined using attraction and repulsion rules. The trajectory is then planned using the boids. This results in the advantage that the accuracy of the estimate can be increased and the computing time required can be reduced to a particular extent.
- trajectory planning within the meaning of the present invention expressly includes not only planning in space and time (trajectory planning) but also purely spatial planning (path planning). Accordingly, the boids can only be used in part of the system, e.g. B. to adapt the speed or for the selection of a specific object (“object-of-interest selection”).
- object-of-interest selection Preferably, the attraction and repulsion rules are determined by designating objects that are close and parallel to each other as attractive boids and objects that are parallel and further apart from each other as repulsive boids.
- repelling boids can be defined for static objects and attractive boids for moving objects.
- moving objects can be observed (tracked) over time, so that a movement history is created, and attractive boids can be determined on the basis of the movement history.
- the detected objects and/or the boids can be stored in an object list, in which all detected objects with all detected data (position, speed, signal strength, classification, elevation and the like) are stored.
- a feature space can expediently be defined on the basis of the position and direction of movement of the ego vehicle, it being possible for the attraction rules for all boids to be converged on one point in the feature space. As a result, the measurement accuracy can be further improved.
- the feature space is preferably defined using the clothoid parameters of the trajectory planning.
- the feature space can also be extended to other road users.
- the measurement accuracy can be increased to a particular extent as a result, and the recognition of the surroundings is also improved to a particular extent.
- At least one camera and/or a lidar sensor and/or a radar sensor and/or an ultrasonic sensor and/or another sensor known from the prior art for detecting the surroundings can expediently be provided as the sensor for detecting the surroundings.
- the invention also includes a driver assistance system for an ego vehicle for supporting or automated vehicle guidance of the ego vehicle, in which the ego vehicle comprises a control device and at least one sensor, preferably a plurality of sensors, for detecting the environment, the sensors detecting objects in the environment of the ego -Detect vehicle.
- the control device carries out a trajectory planning based on the detected environment, with the vehicle guidance of the ego vehicle taking place based on the trajectory planning.
- the sensor for environment and object detection can be z.
- B. be a radar, lidar, camera or ultrasonic sensor.
- the objects are used for trajectory planning, with boids being generated for the objects, which are defined using attraction and repulsion rules, so that the trajectory planning can then be carried out taking the boids into account.
- the driver assistance system can be a system which, in addition to a sensor for detecting the surroundings, includes a computer, processor, controller, computer or the like in order to carry out the method according to the invention.
- a computer program with program code for carrying out the method according to the invention can be provided so that when the computer program is executed on a computer or another programmable computer known from the prior art.
- the method can also be carried out or retrofitted in existing systems as a computer-implemented method.
- the term "computer-implemented method" within the meaning of the invention describes the process planning or procedure that is implemented or carried out using the computer.
- the computer can process the data using programmable calculation rules. With regard to the process, essential properties e.g. B.
- the computer can be designed as a control device or as part of the control device (eg as an IC (integrated circuit) module, microcontroller or system-on-chip (SoC)).
- IC integrated circuit
- SoC system-on-chip
- FIG. 1 shows a highly simplified schematic representation of an ego vehicle with an assistance system according to the invention
- FIG. 2 shows a simplified representation of a traffic scene in which an ego vehicle drives through a curve that has already been driven through by a number of other vehicles
- FIG. 3 shows a simplified depiction of the traffic scene from FIG. 2, in which the measuring principle according to the invention is shown using various measuring points.
- Reference number 1 in Fig. 1 designates an ego vehicle, which has a control device 2 (ECU, Electronic Control Unit or ADCU, Assisted and Automated Driving Control Unit), various actuators (steering 3, motor 4, brake 5) and sensors for detecting the surroundings (camera 6, lidar sensor 7, radar sensor 8 and ultrasonic sensors 9a-9d).
- the ego vehicle 1 can be controlled (partially) automatically in that the control device 2 can access the actuators and the sensors or their sensor data.
- the sensor data can be used to recognize the environment and objects, so that various assistance functions, such as e.g. Adaptive Cruise Control (ACC), Electronic Brake Assist (EBA), Lane Keeping Control or a lane keeping assistant (LKA, Lane Keep Assist), parking assistant or the like, can be implemented via the control device 2 or the algorithm stored there.
- ACC Adaptive Cruise Control
- EBA Electronic Brake Assist
- LKA Lane Keep Assist
- parking assistant or the like
- the ego vehicle 1 shows a typical traffic scene in which the ego vehicle 1 enters a curve that was previously traveled through by a number of vehicles 10a, 10b, 10c, 10d driving in front.
- the ego vehicle 1 can hereby detect the surrounding objects (vehicles 10a-10d driving ahead, lane markings, roadside structures and the like) using the sensors for detecting the surroundings and create its own path or the trajectory to be traveled using this information.
- movements of other road users can be predicted and used for trajectory planning.
- the trajectory created using the detection points and movement prediction of vehicle 11d (represented by a black arrow) is suboptimal or faulty, since it does not follow the course of the lane due to the movement prediction of vehicle 10d, but would result in an undesirable lane change in the curve area.
- the relevant objects in a scene are now represented as objects in a swarm (ie as a type of association or association of objects).
- the detected objects are not only combined, but remain as individuals and influence each other, ie they interact with each other.
- the behavior of these objects is defined with simple rules on the basis of the sensor data and the relationships to one another, ie the interaction of objects similar to so-called boids (interacting objects to simulate swarm behavior).
- boids interacting objects to simulate swarm behavior.
- a boid corresponds to a measured object and not to a combined constellation of objects, ie the boids semantically represent individual objects and not simple constellations.
- the complexity of the model results from the Interaction of the individual objects or boids that follow simple rules, such as e.g. B. Separation (a movement or directional choice that counteracts an accumulation of boids), alignment (a movement or directional choice that corresponds to the mean direction of the neighboring boids), or cohesion (a movement or directional choice that corresponds to the mean position of the neighboring boids).
- B. Separation a movement or directional choice that counteracts an accumulation of boids
- alignment a movement or directional choice that corresponds to the mean direction of the neighboring boids
- cohesion a movement or directional choice that corresponds to the mean position of the neighboring boids.
- the measuring principle with boids 11, 12, 13 of road markings and vehicles or their driving paths is shown using the example of the street scene from FIG.
- a new measurement of a road marking e.g. modeled as a sectional straight line
- the rules of attraction and repulsion are calculated (e.g. objects that are close and parallel attract each other; objects that are parallel but further apart repel each other).
- repelling boids 11 for the edges of the roadway and repelling boids 12 for the middle of the roadway can be generated (e.g. using road markings, crash barriers and roadside development detections).
- the vehicles 10a-10d can also be represented in a similar way.
- a vehicle detected by the sensors e.g. B. shown as a short movement history.
- the attracting boids 13 represent the vehicle 10c or its movement path, in that the boids 13 were generated using the movement history of the vehicle 10c.
- This measurement or the determined boids are inserted in a similar way into the list of previous measurements (object list) and corrected in their position using the established rules.
- the space of the clothoid parameters of the trajectory can also be selected as the feature space.
- the individual boids would be individual measurements over time.
- the Boids could e.g. B. be longitudinally stationary and move only in the lateral direction and in their curvatures due to the rules.
- the boids can be deleted in this case as soon as the ego vehicle 1 has driven past them. In this way, storage and computing time in particular can be saved.
- boids that represent the same object in the real world e.g., when the boids form a compact cluster with a given spread
- Boid (road marking, edge of lane) 12 Boid (road marking, middle of lane) 13 Boid (movement of vehicle 10c)
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021201521.2A DE102021201521A1 (de) | 2021-02-17 | 2021-02-17 | Verfahren zur unterstützenden oder automatisierten Fahrzeugführung |
| PCT/DE2021/200255 WO2022174853A1 (de) | 2021-02-17 | 2021-12-09 | Verfahren zur unterstützenden oder automatisierten fahrzeugführung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4295324A1 true EP4295324A1 (de) | 2023-12-27 |
Family
ID=78957501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21827596.4A Pending EP4295324A1 (de) | 2021-02-17 | 2021-12-09 | Verfahren zur unterstützenden oder automatisierten fahrzeugführung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240227851A9 (de) |
| EP (1) | EP4295324A1 (de) |
| JP (1) | JP2024505833A (de) |
| CN (1) | CN116830163A (de) |
| DE (1) | DE102021201521A1 (de) |
| WO (1) | WO2022174853A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015205135A1 (de) | 2015-03-20 | 2016-09-22 | Bayerische Motoren Werke Ag | Verfahren zum Ermitteln eines für eine zumindest teilweise automatisierte Bewegung des Fahrzeugs nutzbaren Automatisierungsgrads |
| JP5982034B1 (ja) * | 2015-03-30 | 2016-08-31 | 富士重工業株式会社 | 車両の運転支援システム |
| US9711050B2 (en) | 2015-06-05 | 2017-07-18 | Bao Tran | Smart vehicle |
| KR102218532B1 (ko) * | 2015-07-23 | 2021-02-22 | 현대자동차주식회사 | 차량 및 그 제어방법 |
| JP6394931B2 (ja) * | 2017-11-14 | 2018-09-26 | 本田技研工業株式会社 | 車両制御システム、車両制御方法、および車両制御プログラム |
| JP6525416B1 (ja) * | 2017-12-28 | 2019-06-05 | マツダ株式会社 | 車両制御装置 |
| DE102019001956A1 (de) * | 2019-03-20 | 2020-02-20 | Daimler Ag | Verfahren zum Betrieb eines Fahrzeugs |
| US20200342766A1 (en) * | 2019-04-24 | 2020-10-29 | Cisco Technology, Inc. | Dynamic platoon management |
| CN110356405B (zh) | 2019-07-23 | 2021-02-02 | 桂林电子科技大学 | 车辆辅助行驶方法、装置、计算机设备及可读存储介质 |
| KR20210097440A (ko) * | 2020-01-30 | 2021-08-09 | 현대자동차주식회사 | 이동체가 군집 주행을 수행하는 방법 및 장치 |
| CN111882577B (zh) * | 2020-07-31 | 2022-09-09 | 中国人民解放军国防科技大学 | 基于视场感知的群体避障与一致性行进方法和装置 |
-
2021
- 2021-02-17 DE DE102021201521.2A patent/DE102021201521A1/de active Pending
- 2021-12-09 US US18/546,844 patent/US20240227851A9/en not_active Abandoned
- 2021-12-09 CN CN202180093617.0A patent/CN116830163A/zh not_active Withdrawn
- 2021-12-09 JP JP2023544102A patent/JP2024505833A/ja active Pending
- 2021-12-09 EP EP21827596.4A patent/EP4295324A1/de active Pending
- 2021-12-09 WO PCT/DE2021/200255 patent/WO2022174853A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20240132100A1 (en) | 2024-04-25 |
| US20240227851A9 (en) | 2024-07-11 |
| WO2022174853A1 (de) | 2022-08-25 |
| CN116830163A (zh) | 2023-09-29 |
| JP2024505833A (ja) | 2024-02-08 |
| DE102021201521A1 (de) | 2022-08-18 |
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Owner name: AUMOVIO AUTONOMOUS MOBILITY GERMANY GMBH |