EP3307597A1 - Système embarqué sur un véhicule automobile pour une fonctionnalité de changement de voie, et procédé de contrôle associé - Google Patents
Système embarqué sur un véhicule automobile pour une fonctionnalité de changement de voie, et procédé de contrôle associéInfo
- Publication number
- EP3307597A1 EP3307597A1 EP16718240.1A EP16718240A EP3307597A1 EP 3307597 A1 EP3307597 A1 EP 3307597A1 EP 16718240 A EP16718240 A EP 16718240A EP 3307597 A1 EP3307597 A1 EP 3307597A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensors
- technology
- motor vehicle
- lateral
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 69
- 238000013213 extrapolation Methods 0.000 claims abstract description 18
- 230000002123 temporal effect Effects 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 33
- 238000000429 assembly Methods 0.000 claims description 33
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- B60W30/10—Path keeping
-
- 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
-
- 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
- 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
- B60W2420/408—Radar; Laser, e.g. lidar
-
- 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
- B60W2554/4041—Position
-
- 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
- B60W2554/803—Relative lateral speed
-
- 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
- B60W2554/804—Relative longitudinal speed
Definitions
- the present invention generally relates to motor vehicles equipped with automatic and semi-automatic systems for driving assistance, and more specifically the systems allowing the automatic or semi-automatic lane change.
- Level 1 corresponds to the driver assistance systems relating to either the longitudinal control of the vehicle only (for example the systems known under the acronym ACC or Autonomous Cruise Control), or only lateral control of the vehicle (for example, a system for assisting the maintenance of a lane on a lane, or a lane change aid system used in case of overtaking, overturning after overtaking, or an avoidance procedure );
- level 2 corresponds to a so-called "partial automation” level in which the driver assistance system or systems can combine the lateral and longitudinal control of the vehicle;
- - level 3 corresponds to a so-called “conditional automation” level in which the driver is allowed, for a certain period of time, and on certain types of road (for example a motorway), not to be attentive to driving .
- the related automated systems then supervise the lateral and / or longitudinal control of the vehicle, but must make the driver liable in the event of a problem;
- - level 4 corresponds to a complete automation of the vehicle, with the possibility for the driver to delegate driving in any situation, and to come back whenever he wants, regardless of the duration and any specific area;
- Level 5 corresponds to a completely automated vehicle, with no possibility for the driver to interact.
- the levels 0 to 5 according to the SAE substantially correspond to the levels 0 to 4 of the Federal Agency NHTSA ("National Highway Traffic Safety Administration") in charge of road safety.
- level 3 to 5 vehicles are not currently permitted by law.
- Levels 0 to 2 are allowed, however, because the driver remains the only supervisor of driving.
- FIG. 1 illustrates, by way of nonlimiting example, a known architecture for an automated level 3 system (SAE / NHTSA) for maintaining trajectory on a vehicle lane 1.
- SAE / NHTSA automated level 3 system
- the automated level 3 system comprises:
- a front camera 2 for example in the middle of the front windshield, and the associated observation area A 2 has an angle of about 40 ° over a range of about 100 meters;
- a laser sensor 3 located for example in the middle of the front bumper, and whose associated observation area A 3 has an angle of about 145 ° over a range of about 150 meters; two radar sensors 4 1 and 4 2 placed for example on the left and right front fenders of the vehicle 1, with a range of the order of a hundred meters.
- These last two radar sensors 4i and 4 ⁇ are generally part of a more complete system, also equipped with similar radar sensors 4 3 and 4 4 placed on the left and right rear wings of the vehicle 1, all of these four radar sensors. covering an observation area A 4 surrounding the vehicle 1.
- the system of FIG. 1 may also comprise means making it possible to control that the driver is in a good state to take back the hand if the situation requires it, for example a camera 6 pointed at the driver (observation zone A 6 ) and sensors (not shown) for detecting that the hands of the driver are on the steering wheel (systems called "Hands-on" in English terminology).
- the system also uses the data of a navigation receiver 7, for example of the GPS type, so as to anticipate, for example, motorway changes and therefore the changes of lines that would be necessary.
- SAE level 3 automated systems
- NHTSA level 3 automated systems
- Such an architecture satisfies the requirements of Level 3 (SAE / NHTSA) for the functionality of trajectory maintenance on a lane since the front of the vehicle 1 is well observed on three partially overlapping zones (A 2 , A 3 and A). 4 ), using three different technologies, as prescribed for ASIL level D. It is more difficult to achieve at least cost a function of automated lane change ("full automatic lane change" in English terminology) in level 3. Indeed, in this case, the system must, in addition to the features described below.
- Some solutions proposed so far are to use three observation zones surrounding the vehicle 360 °, covered by three different technologies of sensors. With reference to the architecture shown in FIG. 1, it is possible in particular to use observation zones A 4 and A 5 related to radar and camera technologies. For the third 360 ° observation zone, related to the laser technology, at least three additional laser sensors are required with respect to the laser sensor 3 of FIG. 1, placed in particular on the sides and at the rear of the vehicle. These solutions are thus very expensive.
- the invention aims in particular to provide an affordable architecture for a completely automated level 3, or semi-automated level 2, lane change system.
- the subject of the present invention is a system that can be embarked on a motor vehicle for an automatic or semi-automatic lane change function, the system comprising:
- At least two and at most three front assemblies of sensors of different technologies of which a first front assembly using at least one sensor of a first technology, a second together before using at least one sensor of a second technology, and, where optionally, a third front assembly comprising a single sensor of a third technology;
- At least two and at most three rear sets of sensors of different technologies of which a first rear assembly using at least one sensor of a first technology, a second rear assembly using at least one sensor of a second technology, and, where appropriate, a third rear assembly comprising a single sensor of a third technology;
- control means capable of generating temporal extrapolations of information delivered by the rear assemblies and the front assemblies, and combining said temporal extrapolations with information supplied by the lateral assemblies with a view to authorizing or not allowing a change of direction of the motor vehicle.
- the information delivered by the rear assemblies, the front assemblies and the lateral assemblies comprise information relating to a front, rear or lateral obstacle detected in the front zone, rear zone or in each lateral zone;
- the information relating to a front, rear or lateral obstacle comprises a speed, an acceleration and a position of said obstacle, in other words, all the information necessary for establishing a trajectory followed by the obstacle;
- control means combine the time extrapolations with the information delivered by the lateral sets in a weighted linear combination.
- a higher index of confidence with the information coming from the lateral assemblies, than with extrapolated information coming from the front or rear assemblies;
- a decreasing weighting coefficient over time can advantageously be assigned to time extrapolations;
- the sensor of the third front assembly, respectively rear, is adapted to be arranged for example on a front bumper, respectively rear of the motor vehicle;
- said first front and rear assemblies each comprise a single sensor of first technology capable of being arranged for example on a front bumper, respectively rear of the motor vehicle;
- said second front and rear assemblies each comprise two sensors of second technology, able to be arranged for example on the front and respectively rear lateral wings of the motor vehicle;
- the first technology sensors are preferably image sensors
- the second technology sensors are preferably radar sensors
- the third technology sensors are preferably laser sensors
- the system comprises exactly three front and rear sets of sensors of different technologies, and two lateral sets of sensors of different technologies for each lateral zone of the vehicle.
- This implementation makes it possible to guarantee, at lower cost, a fully automatic level 3 lane change functionality, with an ASIL D safety level;
- the system comprises exactly two front and rear sets of sensors of different technologies, and two lateral sets of sensors of different technologies for each lateral zone of the vehicle.
- This implementation makes it possible to guarantee, at a lower cost, a level 2 semi-automatic lane change functionality.
- the invention also relates to a method for controlling a system that can be loaded onto a motor vehicle for a function of automatic or semi-automatic lane change, characterized in that, the system comprising:
- At least two and at most three front assemblies of sensors of different technologies of which a first front assembly using at least one sensor of a first technology, a second a front assembly using at least one sensor of a second technology, and a third front assembly comprising a single sensor of a third technology;
- At least two and at most three rear sets of sensors of different technologies of which a first rear assembly using at least one sensor of a first technology, a second rear assembly using at least one sensor of a second technology, and a third rear assembly comprising a single sensor of a third technology;
- the method comprises a step of generating time extrapolations of information delivered by the rear assemblies and the front sets, and a step of combining said time extrapolations with information provided by the side sets with a view to authorizing or not allowing a change of track of the motor vehicle.
- FIG. 1 already described above, schematically illustrates an example of known architecture for a trajectory maintenance system on a fully automated level 3 track (SAE / NHTSA) fitted to a motor vehicle;
- - Figure 2 schematically illustrates an example of architecture according to the invention for a fully automated level 3 lane change system (SAE / NHTSA) fitted to a motor vehicle;
- FIG. 3 schematically represents an exemplary simulation of a vehicle equipped with the lane change system of FIG.
- the invention proposes here to complete the architecture of FIG. 1 by a single laser sensor placed at the rear of the vehicle, for example at the level in the middle of the rear bumper.
- the architecture thus obtained is shown schematically in FIG. 2, similar to FIG. 1, except that:
- the laser sensor placed at the front of the vehicle 1 here bears the reference number 3 with an associated front observation zone A 3 i;
- Such an architecture is in accordance with the ASIL D level:
- the sensors used here for the front and rear of the vehicle can detect obstacles located at a minimum distance, depending on the speed of use of the lane change feature, and therefore do not include the ultrasonic sensors of short range used for example for parking assistance.
- this architecture is not sufficient on its own to guarantee the ASIL D level since only two left and right lateral observation zones of the vehicle, covered by two different sensor technologies (left and right lateral portions of A 4 and A 5 ), are present.
- the invention starts from the observation that, in most cases encountered on the highway, an obstacle, in particular another vehicle at the rear, respectively at the front of the vehicle concerned, and whose proximity would prohibit lane change, only appear in a lateral observation zone after first appearing in the rear observation areas, respectively before.
- FIG. 3 illustrates an exemplary simulation of the vehicle 1 of FIG. 2, traveling on a three-lane highway Li, L 2 , L 3 in the direction indicated by an arrow F.
- the vehicle 1 moves on the rightmost Li lane, following another vehicle V F.
- Figure 3 also shows that a vehicle V R rolls to the rear of the vehicle 1, in the middle lane.
- FIG. 3 only the important observation areas used in an automatic override procedure, in particular the zones A 2 , A 3 , A 32 , A 4 and A 5 , have been reproduced.
- the system is able to detecting, in level ASIL D, the presence of the vehicle V F at the front of the vehicle 1, and the presence of the vehicle V R at the rear of the vehicle 1.
- the system is able to:
- the present invention proposes to use the information provided by the rear assemblies and before assemblies, to extrapolate this information temporally, then to combine the time extrapolations. with the information provided by the side assemblies to allow or not a lane change of the motor vehicle.
- the triple redundant rear observation zones will be used to detect any vehicle VR ready to overtake the vehicle 1, and prohibit disengagement if necessary, but also, in accordance with the invention, to extrapolate the information related to this vehicle V R in the lateral zone, here left, of the vehicle 1, and postpone the lane change decision until the vehicle V R has not finished passing.
- the triple redundancy front observation zones will be used in accordance with the invention to extrapolate the information related to this vehicle.
- the information relating to a front, rear or lateral obstacle comprises a speed, an acceleration and a position of said obstacle, in other words, all the information necessary to restore a trajectory followed by the obstacle.
- System control means schematically represented as 8 in FIG. 2, combine the time extrapolations with the information provided by the side sets, preferably in a weighted linear combination. We can thus associate an index of higher confidence in information from side sets, than extrapolated information from front or rear sets.
- the invention proposes a cost-optimized architecture (triple redundancy only on the front and rear areas) which makes it possible to offer a completely automated lane-change functionality that meets the safety requirements of the ASIL D level. .
- sensors have been described in the diagrams as image sensors for sensors 5 3, 5 4, the sensors under the radar technology for 4- ⁇ sensors 4 4 and falling sensor laser technology for 3i sensors and ⁇ 3, the principles of the invention are applicable regardless of the combination of technologies (or types) different use.
- the invention also finds an interesting application and also at a lower cost for a level 2 semi-automatic lane-changing functionality.
- only two sets of sensors of different technologies are necessary on the one hand for 'before, and secondly at the back, and only one sensor is needed to observe each side area.
- temporal extrapolations of information delivered by the rear assemblies and the front assemblies are realized, then combined with information supplied by the lateral assemblies in order to authorize or not a change of lane of the motor vehicle. .
- the authorization is only a proposition of the system made to the driver to change lanes, since the semi-automatic functionality implies a supervision of the driver.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1500712A FR3034738B1 (fr) | 2015-04-07 | 2015-04-07 | Systeme embarque sur un vehcule automobile pour une fonctionnalite de changement de voie, et procede de controle associe |
PCT/EP2016/057646 WO2016162434A1 (fr) | 2015-04-07 | 2016-04-07 | Système embarqué sur un véhicule automobile pour une fonctionnalité de changement de voie, et procédé de contrôle associé |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3307597A1 true EP3307597A1 (fr) | 2018-04-18 |
Family
ID=53298473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16718240.1A Withdrawn EP3307597A1 (fr) | 2015-04-07 | 2016-04-07 | Système embarqué sur un véhicule automobile pour une fonctionnalité de changement de voie, et procédé de contrôle associé |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3307597A1 (fr) |
FR (1) | FR3034738B1 (fr) |
WO (1) | WO2016162434A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107300475B (zh) * | 2017-08-11 | 2019-06-25 | 西华大学 | 一种汽车人机工程学视野校核系统 |
CN111348046B (zh) * | 2018-12-24 | 2021-06-15 | 毫末智行科技有限公司 | 目标数据融合方法、系统及机器可读存储介质 |
CN115953917B (zh) * | 2023-03-14 | 2023-05-30 | 西安科技大学 | 基于实时轨迹特征分析的危险变道路段识别与管控方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3982503B2 (ja) * | 2004-01-21 | 2007-09-26 | 日産自動車株式会社 | 車両用走行制御装置 |
DE102004029369B4 (de) * | 2004-06-17 | 2016-09-15 | Robert Bosch Gmbh | Spurwechselassistent für Kraftfahrzeuge |
DE102009027535A1 (de) * | 2009-07-08 | 2011-01-20 | Robert Bosch Gmbh | Vorrichtung zur Unterstützung eines Einschervorgangs bei Fahrzeugen |
DE102010050167B4 (de) * | 2010-10-30 | 2012-10-25 | Audi Ag | Verfahren und Vorrichtung zur Bestimmung eines plausiblen Fahrstreifens zur Führung eines Fahrzeugs sowie Kraftwagen |
US8473144B1 (en) * | 2012-10-30 | 2013-06-25 | Google Inc. | Controlling vehicle lateral lane positioning |
DE102012023498B4 (de) * | 2012-12-03 | 2024-10-10 | Continental Autonomous Mobility Germany GmbH | Verfahren und System zur selbsttätigen und/oder assistierenden Fahrzeugführung |
-
2015
- 2015-04-07 FR FR1500712A patent/FR3034738B1/fr active Active
-
2016
- 2016-04-07 EP EP16718240.1A patent/EP3307597A1/fr not_active Withdrawn
- 2016-04-07 WO PCT/EP2016/057646 patent/WO2016162434A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3034738A1 (fr) | 2016-10-14 |
FR3034738B1 (fr) | 2017-04-14 |
WO2016162434A1 (fr) | 2016-10-13 |
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