EP4149811A1 - Module de contrôle de trajectoire, dispositif de contrôle de trajectoire et procédé associés - Google Patents
Module de contrôle de trajectoire, dispositif de contrôle de trajectoire et procédé associésInfo
- Publication number
- EP4149811A1 EP4149811A1 EP21723729.6A EP21723729A EP4149811A1 EP 4149811 A1 EP4149811 A1 EP 4149811A1 EP 21723729 A EP21723729 A EP 21723729A EP 4149811 A1 EP4149811 A1 EP 4149811A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- trajectory
- vehicle
- setpoint
- value
- lateral
- 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
- 238000000034 method Methods 0.000 title claims description 20
- 230000008859 change Effects 0.000 claims abstract description 47
- 239000013256 coordination polymer Substances 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000036962 time dependent Effects 0.000 abstract 2
- 230000001133 acceleration Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18163—Lane change; Overtaking manoeuvres
-
- 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
- B60W40/02—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 ambient conditions
- B60W40/06—Road conditions
- B60W40/072—Curvature of the road
-
- 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
-
- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
-
- 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
- B60W2520/06—Direction of travel
-
- 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
- B60W2520/10—Longitudinal 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/12—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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/12—Lateral speed
- B60W2520/125—Lateral acceleration
-
- 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
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/30—Road curve radius
-
- 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
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/53—Road markings, e.g. lane marker or crosswalk
Definitions
- TITLE Trajectory control module, associated trajectory control device and process
- the present invention relates to a device for controlling the trajectory of a motor vehicle.
- the present invention relates more particularly to a device for real-time monitoring of the trajectory of a vehicle in order to monitor the trajectory of the vehicle during a change of trajectory, for example during a change of lane, a control module. trajectory integrated into the device and a method for implementing such a device.
- Motor vehicles can be equipped with path control devices designed in such a way that they assist the driver in maintaining the vehicle in the lane in which it is traveling, in particular in keeping the vehicle in the center of the lane.
- path control devices can also be found on autonomous vehicles where the driving is entirely delegated to the vehicle. They affect the direction of the vehicle by changing the steering angle of the vehicle's steered wheels.
- Such devices can also allow the vehicle to pass from a first traffic lane to a second traffic lane semi-autonomously when the driver of the vehicle activates for example a flashing light and changes the position of the steering wheel, or autonomously, the instant of change of lane being determined by the device.
- FIG. 1 illustrates a device DISP for real-time trajectory control applied to a traction motor vehicle 1 driven by a motor comprising two steered wheels, preferably the front wheels of the vehicle, controlled by an actuator controlled by a control signal u .
- the front steered wheels of the vehicle 1 are controlled by an actuator controlled by a control signal U.
- the vehicle 1 further comprises a sensor intended to measure a parameter of the vehicle, such as the actual longitudinal speed V, the steering angle d achieved by the front wheels, the yaw rate Y of the vehicle or the steering angle.
- the vehicle can also be fitted with a device of the type
- RaCam combining the properties of an optical camera and a radar to provide the model with a guideline of the vehicle lane in the form of a polynomial y (x) or an optical camera to determine the polynomial y (x).
- the vehicle 1 is equipped with an on-board computer comprising a controller device 2 for generating a control signal Ust so as to make a physical state vector x of the vehicle conform to a reference state vector x * to ensure monitoring. by vehicle 1 of a desired trajectory.
- the on-board computer further comprises an observer 3 for generating in real time an estimated state vector x for following the trajectory of the vehicle 1 moving at speed V from the command Ust and from a vector h of current measurement of state variables correlated with the physical state vector x for following the path of the vehicle 1
- the purpose of the observer device 3 is to generate in real time an estimated state vector x representing as faithfully as possible the effective state vector x, and implements a vehicle model known as the bicycle model.
- the on-board computer further comprises an anticipator module 4 adding a second steering Uff command as a function of a curvature y ff of a bend to the first steering Ust command produced by the device 2 to compensate for the bend.
- the second steering control Uff allows vehicle 1 to cross the curvature turn
- the second command is added to the Ust command signal so that the controller device 2 regulates the trajectory of the vehicle 1 so that the vehicle 1 follows a straight road.
- control signal U is equal to the sum of the first command Ust and the second command Uff.
- the actuator includes the actuator, the speed sensor, the sensor for measuring a steering angle d, the sensor for measuring the yaw rate Y and the RaCam type device, device 2, observer 3 and module 4
- the device 2, the observer 3 and the module 4 form a closed regulation loop Br having for reference the reference state vector x *.
- the physical state vector x of the vehicle is equal to:
- the setpoint state vector x * is equal to:
- the vector x is partially unknown because the internal state of vehicle 1 is not fully accessible.
- Observer 3 estimates the lateral velocity of the vehicle away from the ideal vehicle path yl and the change in steering angle d, with the five state variables being measured.
- the vector h of current measurements has five components:
- the yaw rate Y is measured by the yaw rate sensor.
- the setpoint state vector x * is modified so that the DISP device controls the vehicle 1 so that it swerves in the center of a lane. adjacent to that on which the vehicle operates in a comfortable manner for the passengers of the vehicle.
- the trajectory of the vehicle when changing lane is defined in particular by limiting the lateral acceleration of vehicle 1 and the lateral speed of vehicle 1.
- the trajectory when changing lane depends on the speed profile of the vehicle, the determination of the trajectory implementing an optimum calculation requiring significant means of calculation.
- the proposed method requires significant computing resources to ensure the continuity of the Bézier curves and to determine the optimal lane change trajectory.
- Document WO2019 / 059829 discloses a method of determining a lane change using a combination of two trajectories, a first trajectory dictated by the driver of the vehicle and a second trajectory determined by a lane change system.
- this method requires the intervention of the driver.
- the invention provides a path control method for a motor vehicle, the method comprising
- the determination of the setpoint state vector comprises: a) the determination of a value of the parameter so that each increment of a time counter of the trajectory control device lies between two consecutive time variables; b) determining two consecutive lateral deviations from the value of the parameter; c) determining an intermediate lateral deviation by interpolation of the two consecutive lateral deviations; and d) determining setpoint values comprising a setpoint lateral deviation, a setpoint yaw rate, a setpoint heading angle, and a setpoint lateral speed, the setpoint values being determined from the lateral deviation intermediate, of the two consecutive time variables and of the two consecutive lateral deviations; the setpoint state vector comprising the lateral setpoint deviation and the setpoint values.
- the method further comprises determining a corrective radius of curvature from the two consecutive time variables, the two consecutive lateral deviations, and the longitudinal speed of the vehicle, and transmitting the corrective radius of curvature to the control device. trajectory control.
- the time counter when the change of trajectory is initiated, the time counter is started, and when the value reached by the counter is greater than or equal to the value of the time variable associated with the control point of the Bézier curve comprising the time variable of higher value, the counter is stopped to indicate the end of the trajectory change.
- the method comprises the reiteration of steps a), b), c), d) and, where appropriate, the reiteration of the determination of the corrective radius of curvature for each increment of the counter, two consecutive increments being separated by a constant duration.
- the subject of the invention is also a trajectory control module for a motor vehicle, the module being configured for:
- - determine a setpoint state vector of a closed regulation loop of a trajectory control device the loop being configured to control the motor vehicle so that it follows the trajectory modeled by the Bézier curve, the vector being determined from the lateral deviation, the time variable and the parameter, and - transmitting the vector d 'setpoint state at the input of the loop.
- the module is configured to: e) determine a value of the parameter so that each increment instant of a time counter of the trajectory control device is between two consecutive time variables; f) determining two consecutive lateral deviations from the value of the parameter; g) determining an intermediate lateral deviation by interpolation of the two consecutive lateral deviations; and h) determining setpoint values comprising a setpoint lateral deviation, a setpoint yaw rate, a setpoint heading angle, and a setpoint lateral speed, the setpoint values being determined from the intermediate lateral deviation , two consecutive time variables and two consecutive lateral deviations; the setpoint state vector comprising the setpoint lateral deviation and the setpoint values.
- the module is further configured to determine a corrective radius of curvature from the two consecutive time variables, from the two consecutive lateral deviations, and from the longitudinal speed of the vehicle, and the transmission of the corrective radius of curvature to the control device. path.
- the module is configured to start the time counter when a change of trajectory is triggered and stop the counter to indicate the end of the change of trajectory when the value reached by the counter is greater than or equal to the value of the time variable. associated with the control point of the Bézier curve including the time variable of greatest value.
- the invention also relates to a trajectory control device comprising a trajectory control module as defined above, and a closed regulation loop configured to receive as a setpoint the determined setpoint state vector. by the trajectory control module, the regulation loop being further configured to control the motor vehicle so that it follows the trajectory modeled by the Bézier curve.
- FIG 1 schematically illustrates a device for real-time monitoring of the trajectory of a vehicle according to the state of the art
- FIG 2 schematically illustrates an embodiment of a vehicle trajectory control device according to the invention
- FIG 4 illustrate an example of modeling a trajectory of the vehicle 1 according to the invention
- FIG 5 illustrates one embodiment of the vehicle trajectory control device according to the invention.
- FIG 6 shows the change over time of the setpoint lateral deviation, the lateral deviation and the angle of the wheels following the action of the control device according to the invention.
- FIG. 2 schematically shows an embodiment of a device 5 for controlling the trajectory of the vehicle 1 according to one aspect of the invention.
- the elements of the device 5 identical to the elements constituting the device DISP of FIG. 1 bear the same references.
- the Ust command is equal to the value of a rectilinear path following angle ôrect.
- the device 5 further comprises a trajectory control module 6 generating the setpoint state vector x * when changing lane.
- the control module 6 models the trajectory of the vehicle 1 during a change of traffic lane by a Bézier curve P connecting a value of a parameter S to a value of the lateral deviation yl of the vehicle from the center of the current traffic lane of the vehicle and to a value of a time variable x representative of the evolution of the change of trajectory.
- the control module 6 determines the setpoint state vector x * from the lateral deviation yl, the time variable x and the parameter S, and transmits the setpoint state vector x * at the input of the loop regulation Br.
- FIGS. 3 and 4 illustrate an example of modeling by the module 6 of a trajectory of the vehicle 1 traveling at the center C1 of a first traffic lane VC1 and offsetting at the center C2 of a second traffic lane VC2 adjacent to the first VC channel 1.
- the curve TRAJ represents the trajectory of the vehicle 1 to pass from the first traffic lane VC 1 to the second lane VC2.
- R a reference linked to the VC track 1 whose origin O is on the center Cl of the VC1 track before the vehicle 1 starts to move
- X is oriented according to the direction of movement of the vehicle 1
- Y is arranged so that the reference mark R is orthogonal.
- the trajectory of the vehicle 1 is determined in a straight line, the anticipator module 4 determining from the curvature
- FIG. 4 illustrates an example of modeling of the trajectory TRAJ by a Bézier curve P in the reference R (0, X, Y).
- abscissa axis X represents the time variable x representative of the temporal evolution of the change of trajectory and the ordinate axis Y represents the lateral position yl of the vehicle 1 with respect to the reference R (0, X, Y ) of VC channel 1.
- the movement of the vehicle 1 takes place between the center C l of the first track VC 1 corresponding to an initial lateral position yh ni defined by the coordinates of the control point Po disposed on the center Cl and a final position yl end defined by the coordinates of the control point P 3 arranged on the center C2.
- the Bézier curve can include more than four control points to improve the accuracy of the modeling of the TRAJ trajectory, however increasing the computational load.
- trajectory TRAJ of the vehicle deporting to the left and the trajectory of the vehicle deporting to the right are symmetrical.
- the maximum value of the lateral speed and the maximum value of lateral acceleration are for example determined empirically during the development of the trajectory control device.
- the maximum value of the lateral speed is for example equal to 0.8 m / s and the maximum value of lateral acceleration is for example equal to 0.5 m / s 2 .
- a lat max and the maximum value of the lateral speed V lat max are chosen so that the change of lane path is comfortable for the passengers of vehicle 1.
- Module 6 comprises a processing unit UT implementing equation (16).
- the parameter S includes all the values Si i varying from 1 to N, N being an integer.
- N is chosen so that it is large enough to obtain a trajectory of the vehicle 1 from the curve P which is not excessively discretized so as not to slow down the regulation loop Br and harm the comfort of the passengers, and to so that it is not excessively large in order to minimize the computational load of the processing unit UT.
- N is for example equal to 50, the curve P being discretized into 50 points.
- N can be different from 50.
- the value of N can be chosen so as not to discretize the trajectory excessively, the value of N being for example greater than 30.
- N can be chosen so as not to overload the processing unit UT, the value of N being for example less than 100.
- the module 6 also comprises a time counter CP, the module 6 starting the counter CP when changing the path channel and stopping the counter when the value reached by the counter is greater than or equal to the value of the time variable x associated with the control point of the Bézier curve P3 comprising the largest value of the time variable P3 x.
- the counter CP operates according to a period Te.
- the period Te is chosen according to the operating frequency of module 6 and of the loop Br.
- the period Te is for example equal to 10 ms.
- the stop of the counter CP indicates the end of the lane change.
- a change in trajectory is detected for example when a torque exerted on the steering column of the vehicle 1 is greater than a detection threshold and an electrical pulse emitted in particular by a change of direction device is detected.
- the regulation loop Br aligns the vehicle 1 with the center C l subsequently.
- FIG. 5 illustrates an exemplary implementation of the trajectory control device 5 when changing lane.
- the module 6 engages the counter CP.
- module 6 determines the setpoint state vector x * from the lateral deviation yh, the time variable xi and the parameter Si.
- the setpoint state vector x * comprises setpoint values comprising, for example, the setpoint yaw rate ' ⁇ ref, a setpoint heading angle Y ref , and a setpoint lateral speed yl re f and the lateral deviation of setpoint yLef .
- the setpoint steering angle ôref, the variation in the steering angle ôref and the integral of the setpoint lateral position / -ylref are equal to zero.
- the set steering angle ôref, the variation in the steering angle ôref and the lateral position integral / -ylref can be calculated from the lateral deviation yli.
- the module 6 determines a value of the parameter Si so that each increment Te of the time counter Cp lies between two consecutive time variables xi and X Î + I. Then the module 6 determines the two consecutive lateral deviations yli and yli + i from the value of the parameter Si.
- the module 6 determines an intermediate lateral deviation yh by interpolation of the two consecutive lateral deviations yh and yh + i. Then module 6 determines setpoint values according to the following equations: where V is the longitudinal speed of vehicle 1 and ai at is the instantaneous lateral acceleration of the trajectory equal to: and
- the module 6 can determine a corrective radius of curvature PSALC from the instantaneous lateral acceleration ai at , the lateral speed yl, and the longitudinal speed V of the vehicle according to the following equation:
- the value of the corrective radius of curvature PSALC is transmitted to the anticipator module 4 and added to the second command Uff making it possible to improve the dynamics of the trajectory following.
- Steps 11 and 12 are repeated until the value reached by the counter CP is greater than or equal to the value P 3x of the control point P3 (step 13) for each increment of the counter CP.
- step 14 the process continues in step 14 of waiting until the next change of traffic lane.
- FIG. 6 represents the evolution over time of the setpoint lateral position yl ref (curve CB 1), of the lateral position yl of the vehicle 1 (curve CB2) and the angle of the front wheels d (curve CB3) during a change of lane to the right then to the left of vehicle 1 traveling at speed V of 90 km / h.
- the modeling of the lane change trajectory by the Bézier curve P makes it possible to easily adapt the geometric properties of the curve P to take into account the environment in which the vehicle 1 operates, in particular the width of the road. lane on which the vehicle enters.
- the initial determination of the geometric properties of the P curve only requires setting upstream the maximum lateral speed and maximum lateral acceleration of the vehicle, and the duration of the lane change operation.
- the lane changes to the right or left of the vehicle are symmetrical in their trajectory (even lateral acceleration at the start and end of trajectories), it is sufficient to determine the lateral speed and lateral acceleration.
- the adjustment parameters including, for example, lateral acceleration, lateral speed, the duration of the lane change operation, can be determined as a function of regulatory constraints and so as to ensure the comfort of the passengers of the vehicle when driving. change of course.
- the lane change trajectory is easily adaptable to the regulation loop Br existing on most vehicles, making it possible to reuse existing control laws.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2004668A FR3110130B1 (fr) | 2020-05-12 | 2020-05-12 | Module de contrôle de trajectoire, dispositif de contrôle de trajectoire et procédé associés |
| PCT/EP2021/061863 WO2021228657A1 (fr) | 2020-05-12 | 2021-05-05 | Module de contrôle de trajectoire, dispositif de contrôle de trajectoire et procédé associés |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4149811A1 true EP4149811A1 (fr) | 2023-03-22 |
Family
ID=71894971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21723729.6A Pending EP4149811A1 (fr) | 2020-05-12 | 2021-05-05 | Module de contrôle de trajectoire, dispositif de contrôle de trajectoire et procédé associés |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12337842B2 (fr) |
| EP (1) | EP4149811A1 (fr) |
| JP (1) | JP7667800B2 (fr) |
| KR (1) | KR20230009949A (fr) |
| CN (1) | CN115551756A (fr) |
| FR (1) | FR3110130B1 (fr) |
| WO (1) | WO2021228657A1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248840B (zh) * | 2020-09-24 | 2026-02-13 | 株式会社斯巴鲁 | 车辆的控制装置 |
| US12130626B2 (en) * | 2020-12-30 | 2024-10-29 | Jingsheng Yu | Lateral control in path-tracking of autonomous vehicle |
| FR3132483B1 (fr) * | 2022-02-09 | 2024-02-16 | Renault Sas | Procédé de guidage d’un véhicule automobile. |
| CN114524020B (zh) * | 2022-02-28 | 2023-09-01 | 重庆长安汽车股份有限公司 | 一种车辆人机共驾的方向盘角度控制方法 |
| CN114637296B (zh) * | 2022-03-16 | 2023-05-16 | 中铁二院工程集团有限责任公司 | 一种prt车辆的循迹控制系统及控制方法 |
| JP7445696B2 (ja) * | 2022-03-30 | 2024-03-07 | 本田技研工業株式会社 | 制御装置 |
| US12252127B2 (en) * | 2022-04-19 | 2025-03-18 | Aptiv Technologies AG | Dynamically calculating lane change trajectories |
| CN116048087B (zh) * | 2023-02-10 | 2024-04-09 | 吉咖智能机器人有限公司 | 局部路径的规划方法、装置、电子设备及可读存储介质 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10427676B2 (en) | 2017-05-31 | 2019-10-01 | GM Global Technology Operations LLC | Trajectory planner for autonomous driving using bézier curves |
| US9796421B1 (en) | 2016-04-07 | 2017-10-24 | GM Global Technology Operations LLC | Autonomous vehicle lateral control for path tracking and stability |
| US10121367B2 (en) * | 2016-04-29 | 2018-11-06 | Ford Global Technologies, Llc | Vehicle lane map estimation |
| CN106114507B (zh) * | 2016-06-21 | 2018-04-03 | 百度在线网络技术(北京)有限公司 | 用于智能车辆的局部轨迹规划方法和装置 |
| US20180281856A1 (en) * | 2017-03-31 | 2018-10-04 | Ford Global Technologies, Llc | Real time lane change display |
| EP3494448A4 (fr) * | 2017-07-13 | 2019-11-06 | Beijing Didi Infinity Technology and Development Co., Ltd. | Systèmes et procédés de détermination de trajectoire |
| SE541795C2 (en) | 2017-09-22 | 2019-12-17 | Sentient Ip Ab | Method and system for controlling vehicle lane holding |
| CN110597245B (zh) * | 2019-08-12 | 2020-11-20 | 北京交通大学 | 基于二次型规划和神经网络的自动驾驶换道轨迹规划方法 |
| FR3100780B1 (fr) * | 2019-09-17 | 2021-09-24 | Renault Sas | Procédé de régulation de la position latérale d'un véhicule automobile. |
| KR20220056922A (ko) * | 2020-10-28 | 2022-05-09 | 현대자동차주식회사 | 자율주행 제어 장치 및 방법 |
-
2020
- 2020-05-12 FR FR2004668A patent/FR3110130B1/fr active Active
-
2021
- 2021-05-05 EP EP21723729.6A patent/EP4149811A1/fr active Pending
- 2021-05-05 US US17/998,557 patent/US12337842B2/en active Active
- 2021-05-05 KR KR1020227043236A patent/KR20230009949A/ko active Pending
- 2021-05-05 CN CN202180034582.3A patent/CN115551756A/zh active Pending
- 2021-05-05 WO PCT/EP2021/061863 patent/WO2021228657A1/fr not_active Ceased
- 2021-05-05 JP JP2022568720A patent/JP7667800B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US12337842B2 (en) | 2025-06-24 |
| FR3110130A1 (fr) | 2021-11-19 |
| JP2023525543A (ja) | 2023-06-16 |
| KR20230009949A (ko) | 2023-01-17 |
| JP7667800B2 (ja) | 2025-04-23 |
| US20230211786A1 (en) | 2023-07-06 |
| CN115551756A (zh) | 2022-12-30 |
| FR3110130B1 (fr) | 2022-07-01 |
| WO2021228657A1 (fr) | 2021-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021228657A1 (fr) | Module de contrôle de trajectoire, dispositif de contrôle de trajectoire et procédé associés | |
| EP3938260B1 (fr) | Procédé d'élaboration d'une consigne de pilotage mixte d'un système de braquage de roues et d'un système de freinage différentiel d'un véhicule automobile | |
| EP4025468B1 (fr) | Dispositif de commande prédictif du mouvement d'un véhicule automobile | |
| EP3947076B1 (fr) | Module anticipateur, dispositif de contrôle en temps réel de trajectoire et procédé associés | |
| WO2022157032A1 (fr) | Module de calcul de trajectoire, dispositif de contrôle de trajectoire et procédé associés | |
| EP3589533B1 (fr) | Dispositif de controle de trajectoire d'un vehicule | |
| EP4037947B1 (fr) | Dispositif de contrôle d'un véhicule automobile à conduite autonome | |
| FR3104107A1 (fr) | Procédé de pilotage d’un véhicule automobile | |
| CN107176168B (zh) | 用于确定机动车的最大允许的转弯速度的方法和设备 | |
| JP2020005401A (ja) | 自動運転車両の制御装置 | |
| EP3464003A1 (fr) | Dispositif de contrôle de trajectoire d'un véhicule | |
| EP3909822A1 (fr) | Module de calcul de trajectoire, dispositif de contrôle de trajectoire et procédé associés | |
| EP3357794B1 (fr) | Procédé et dispositif d'aide à la conduite pour véhicule automobile | |
| EP4069566B1 (fr) | Module d'apprentissage, dispositif de contrôle en temps réel de trajectoire et procédé associés | |
| EP3160812B1 (fr) | Procede de regulation automatique d'une vitesse d'un vehicule circulant a basse vitesse | |
| EP4370392B1 (fr) | Procédé et dispositif de contrôle de la trajectoire d'un véhicule automobile circulant sur une voie de circulation et véhicule associé | |
| EP3990324B1 (fr) | Procédé de régulation de la position latérale d'un véhicule | |
| EP3901005A1 (fr) | Système et procédé de pilotage d'un système de contrôle latéral d'un véhicule automobile en fonction d'une modélisation d'un système de braquage des roues | |
| EP2027004B1 (fr) | Procede et systeme de commande de roue directrice de vehicule | |
| EP4638226A1 (fr) | Procédé de contrôle de la trajectoire d'un véhicule permettant l'évitement d'obstacle | |
| FR3092914A1 (fr) | Procédé de détermination de la trajectoire d'un véhicule comprenant quatre roues directrices | |
| CN1321852C (zh) | 一种车辆转向控制方法 | |
| FR2908726A1 (fr) | Procede et dispositif de rejet de perturbations avec un systeme de braquage d'un vehicule automobile. | |
| WO2023241797A1 (fr) | Procédé de gestion de la vitesse longitudinale d'un véhicule automobile. | |
| EP4227912A1 (fr) | Procede de detection d'une ligne centrale d'une voie de circulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20221109 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: AMPERE SAS |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20241210 |