CN112373485A - Decision planning method for automatic driving vehicle considering interactive game - Google Patents
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- 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
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- 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/10—Path keeping
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- 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
- B60W2050/0019—Control system elements or transfer functions
- B60W2050/0028—Mathematical models, e.g. for simulation
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- 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
- B60W2050/0019—Control system elements or transfer functions
- B60W2050/0028—Mathematical models, e.g. for simulation
- B60W2050/0031—Mathematical model of the vehicle
Abstract
The invention discloses an automatic driving vehicle decision planning method considering interactive game, which comprises the following steps: acquiring relative position and relative speed information of surrounding vehicles in real time; local track prediction is carried out on surrounding vehicles based on a vehicle kinematic model; establishing an interactive game model of the self vehicle and surrounding vehicles by a Nash game method; determining joint optimal driving behaviors by using a disadvantage elimination strategy and a Nash equilibrium method; and planning a corresponding track according to the determined optimal driving behavior of the self-vehicle, and outputting the corresponding track to a control execution module of the vehicle. According to the invention, after the motion information of the surrounding vehicles is acquired by the sensors, the motion of the surrounding vehicles is predicted by utilizing the vehicle kinematics model, and the interactive game with the surrounding vehicles is fully considered.
Description
Technical Field
The invention belongs to the technical field of vehicle active safety, and particularly relates to an automatic driving vehicle decision planning method considering interactive game.
Background
In recent years, traffic accidents, traffic jams and other problems are troubling people to go out, and therefore, companies such as hundredths and Huayi in China research the automatic driving technology of vehicles to solve the problems encountered by the existing human drivers to go out. Autonomous taxis have been pushed in the sand, for example, hundreds of degrees, to speed the process of landing autonomous vehicles. However, when the automatic driving vehicle runs on a complex traffic road with human drivers, it is still difficult to realize good interactive cooperation, so that the automatic driving system is not agile and flexible enough.
The interactive game of the automatically driven vehicle and the surrounding vehicles mainly exists in the working conditions of lane changing and overtaking of the surrounding vehicles, vehicle gathering and lane merging, turning at intersections and the like. Under the working conditions, the driving track of the self vehicle collides with surrounding vehicles, and existing research mainly aims to ensure the safety of the vehicle and adopts a conservative method to avoid the surrounding vehicles, but the running efficiency of the self vehicle is sacrificed in the process, and meanwhile, the normal running of the rear vehicle is influenced because the running of the self vehicle is conservative. Therefore, a decision planning method capable of taking the interactive game between the automatic driving vehicle and the surrounding vehicles into consideration is needed at present, so that the automatic driving can keep safe and efficient driving in a multi-vehicle traffic environment, and the passing efficiency of the whole traffic system is improved by cooperating with the surrounding vehicles.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic driving vehicle decision planning method considering interactive game so as to solve the problem that the driving style is too conservative and the vehicle-vehicle interaction is rarely considered in the prior art; according to the method, after the motion information of the surrounding vehicles is acquired through the sensors, the motion of the surrounding vehicles is predicted by utilizing the vehicle kinematic model, the interactive game with the surrounding vehicles is fully considered, and the optimal driving behavior of the self vehicle is further obtained.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention discloses an automatic driving vehicle decision planning method considering interactive game, which comprises the following steps:
1) acquiring relative position and relative speed information of surrounding vehicles in real time;
2) local track prediction is carried out on surrounding vehicles based on a vehicle kinematic model;
3) establishing an interactive game model of the self vehicle and surrounding vehicles by a Nash game method;
4) determining joint optimal driving behaviors by using a disadvantage elimination strategy and a Nash equilibrium method;
5) and planning a corresponding track according to the determined optimal driving behavior of the self-vehicle, and outputting the corresponding track to a control execution module of the vehicle.
Further, the local trajectory prediction of the surrounding vehicle based on the kinematic model in the step 2) specifically includes:
21) the kinematic equation for the acceleration of the vehicle to the vehicle state is established as follows:
in the formula (I), the compound is shown in the specification,respectively corresponding tangential acceleration and normal acceleration of the vehicle;the vehicle state is respectively longitudinal position, lateral position, speed and yaw angle information;
22) establishing constraints corresponding to the predicted track at the current time t and the final time t + Np;
at the current time t, the surrounding vehicle motion information perceived by the vehicle comprises:
wherein, Δ st,ΔltThe relative longitudinal position and the relative transverse position of the surrounding vehicle and the self vehicle are respectively;the corresponding speed and acceleration of the surrounding vehicle respectively;for surrounding vehiclesA relative yaw rate to the host vehicle;respectively the yaw angular velocity and the yaw angular acceleration of the surrounding vehicles;
the motion information of the surrounding vehicle at the current time t is expressed as follows:
wherein the content of the first and second substances,respectively the longitudinal and transverse positions of the surrounding vehicle,as is the yaw angle of the surrounding vehicle,tangential and normal accelerations of the surrounding vehicle, respectively;
for the final time t + Np of the predicted trajectory, the corresponding lateral velocity and acceleration will be 0, with the following specific constraints:
wherein the content of the first and second substances,the lateral speed corresponding to the peripheral vehicle at the final moment of the predicted track is obtained;
23) for the lateral position of the vehicle, there are 5 constraints at the current time t and the final time t + Np, fitting with a 4 th order polynomial as follows:
wherein, aiFitting parameters of the lateral track are represented by i, wherein i is 0-4;
for the longitudinal position, a 3 rd order polynomial is fitted according to the 4 constraints at the current time t and the final time t + Np as follows:
wherein, bjFitting parameters of the longitudinal track, wherein j is 0-3;
therefore, a local track corresponding to the surrounding vehicle in a future time domain [ t, t + Np ] is obtained.
Further, the step 3) specifically includes:
31) when a vehicle exists around the self vehicle, the game vehicle is the vehicle existing in the self vehicle; when a plurality of vehicles exist around, if interactive games are considered at the same time, the calculated amount is too large when the optimal driving behavior is solved, and the vehicle with the largest risk degree around is selected as a game vehicle;
32) when the own vehicle and the surrounding vehicles make decisions at each moment, the driving behaviors of accelerating, decelerating or changing lanes are executed, and the action sets A and B of the own vehicle and the surrounding vehicles are as follows:
A={A1,A2,A3,A4,A5};B={B1,B2,B3,B4,B5}
in the formula, A1,A2,A3,A4,A5Respectively performing acceleration, left lane changing, deceleration, right lane changing and motion maintaining behaviors of the bicycle; b is1,B2,B3,B4,B5Acceleration, left lane change, deceleration, right lane change and motion maintenance behaviors of surrounding vehicles are respectively performed;
bicycle A5The track corresponding to the action is the track predicted in the step 2), and the corresponding target end point is as follows: a. the5=(st+Np,lt+Np) To maintain the motion A in motion5As a reference, a left lane and a right lane A are obtained2,A4The end points of the corresponding local trajectories are as follows:
in the formula IupAnd ldownThe lateral positions of the central lines of the two adjacent lanes corresponding to the surrounding vehicles are respectively obtained through lane line recognition sensors;
corresponding acceleration action A1And a deceleration action A3Is in the lateral position of5And the longitudinal position is obtained according to the acceleration and deceleration performance of the vehicle, and the longitudinal position is specifically as follows:
where Np is the local trajectory planning time domain, aeIs the corresponding maximum acceleration of the vehicle during normal running, deThe maximum deceleration corresponding to the normal running of the vehicle;
the candidate terminal corresponding to each action of the surrounding vehicles is obtained by the method, so that an interactive game model of the vehicle and the surrounding vehicles is obtained;
33) and obtaining profits of the two vehicles taking corresponding actions through corresponding benefit functions according to the action sets corresponding to the two game vehicles and the corresponding local track terminal points, and establishing a corresponding game matrix G.
Further, the step 4) specifically includes:
41) for the game matrix G obtained in the step 33), a low-dimensionality game matrix is obtained or the optimal driving behaviors of two game vehicles are directly obtained by removing the disadvantage strategy;
42) for a low-dimensional game matrix, a corresponding Nash equilibrium solution is obtained through a Lemke-Howson (Nash equilibrium solving algorithm) algorithm, specifically, the probability that two vehicles take corresponding actions is as follows:
in the formula, PeSelecting probability of each action, P, for the vehiclesSelecting the probability of each action for surrounding vehicles;
obtaining the optimal driving behavior A obtained after the interactive game of the vehicle and the surrounding vehicles according to the probability of each action*And B*The specific corresponding local track end points are as follows:
wherein k is 1 to 5.
Further, the step 5) specifically includes: according to the optimal driving behavior A of the self-vehicle*And planning a corresponding local track of the self-vehicle by using a polynomial fitting method, and inputting the local track into a control execution module of the vehicle to perform track tracking execution.
The invention has the beneficial effects that:
compared with the existing decision planning method, the interactive game process with surrounding vehicles is fully considered, the collaborative planning with the surrounding vehicles can be realized, and the traffic efficiency of the whole traffic system is ensured to be improved.
Drawings
FIG. 1 is a schematic diagram of the method of the present invention.
Fig. 2 is a schematic diagram of an interactive game model of a self vehicle and surrounding vehicles.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Referring to fig. 1, the decision planning method for an automatic driving vehicle considering interactive game according to the present invention includes the following steps:
1) acquiring relative position and relative speed information of surrounding vehicles in real time;
11) the motion information of the vehicle and surrounding vehicles can be obtained through the vehicle-mounted GPS, the inertial measurement unit IMU, the laser radar, the millimeter wave radar and the camera.
2) The method comprises the following steps of predicting local tracks of surrounding vehicles based on a vehicle kinematic model, wherein the method specifically comprises the following steps:
21) the kinematic equation for the acceleration of the vehicle to the vehicle state is established as follows:
in the formula (I), the compound is shown in the specification,respectively corresponding tangential acceleration and normal acceleration of the vehicle;the vehicle state is respectively longitudinal position, lateral position, speed and yaw angle information;
22) establishing constraints corresponding to the predicted track at the current time t and the final time t + Np;
at the current time t, the surrounding vehicle motion information perceived by the vehicle comprises:
wherein, Δ st,ΔltThe relative longitudinal position and the relative transverse position of the surrounding vehicle and the self vehicle are respectively;the corresponding speed and acceleration of the surrounding vehicle respectively;the relative yaw velocity of the surrounding vehicle and the own vehicle;respectively the yaw angular velocity and the yaw angular acceleration of the surrounding vehicles;
the motion information of the surrounding vehicle at the current time t is expressed as follows:
wherein the content of the first and second substances,respectively the longitudinal and transverse positions of the surrounding vehicle,as is the yaw angle of the surrounding vehicle,tangential and normal accelerations of the surrounding vehicle, respectively;
for the final time t + Np of the predicted trajectory, the corresponding lateral velocity and acceleration will be 0, with the following specific constraints:
wherein the content of the first and second substances,the lateral speed corresponding to the peripheral vehicle at the final moment of the predicted track is obtained;
23) for the lateral position of the vehicle, there are 5 constraints at the current time t and the final time t + Np, fitting with a 4 th order polynomial as follows:
wherein, aiFitting parameters of the lateral track are represented by i, wherein i is 0-4;
for the longitudinal position, a 3 rd order polynomial is fitted according to the 4 constraints at the current time t and the final time t + Np as follows:
wherein, bjFitting parameters of the longitudinal track, wherein j is 0-3;
therefore, a local track corresponding to the surrounding vehicle in a future time domain [ t, t + Np ] is obtained.
3) An interactive game model of the bicycle and surrounding vehicles is established through a Nash game method, as shown in FIG. 2, the specific steps are as follows:
31) when a vehicle exists around the self vehicle, the game vehicle is the vehicle existing in the self vehicle; when a plurality of vehicles exist around, if interactive games are considered at the same time, the calculated amount is too large when the optimal driving behavior is solved, and the vehicle with the largest risk degree around is selected as a game vehicle;
32) when the own vehicle and the surrounding vehicles make decisions at each moment, the driving behaviors of accelerating, decelerating or changing lanes are executed, and the action sets A and B of the own vehicle and the surrounding vehicles are as follows:
A={A1,A2,A3,A4,A5};B={B1,B2,B3,B4,B5}
in the formula, A1,A2,A3,A4,A5Respectively performing acceleration, left lane changing, deceleration, right lane changing and motion maintaining behaviors of the bicycle; b is1,B2,B3,B4,B5Acceleration, left lane change, deceleration, right lane change and motion maintenance behaviors of surrounding vehicles are respectively performed;
bicycle A5The track corresponding to the action is the track predicted in the step 2), and the corresponding target end point is as follows: a. the5=(st+Np,lt+Np) To maintain the motion A in motion5As a reference, a left lane and a right lane A are obtained2,A4The end points of the corresponding local trajectories are as follows:
in the formula IupAnd ldownThe lateral positions of the central lines of the two adjacent lanes corresponding to the surrounding vehicles are respectively obtained through lane line recognition sensors;
corresponding acceleration action A1And a deceleration action A3Is in the lateral position of5And the longitudinal position is obtained according to the acceleration and deceleration performance of the vehicle, and the longitudinal position is specifically as follows:
where Np is the local trajectory planning time domain, aeIs the corresponding maximum acceleration of the vehicle during normal running, deThe maximum deceleration corresponding to the normal running of the vehicle;
the candidate terminal corresponding to each action of the surrounding vehicles is obtained by the method, so that an interactive game model of the vehicle and the surrounding vehicles is obtained;
33) according to the action sets corresponding to the two game vehicles and the corresponding local track end points, profits of the two vehicles for taking corresponding actions are obtained through corresponding gain functions, and specifically, corresponding game matrixes G can be established according to safety, high efficiency, energy-saving type and other indexes corresponding to the local tracks.
4) Determining joint optimal driving behaviors by using a disadvantage elimination strategy and a Nash equilibrium method;
41) for the game matrix G obtained in the step 33), a low-dimensionality game matrix is obtained or the optimal driving behaviors of two game vehicles are directly obtained by removing the disadvantage strategy;
42) for a low-dimensional game matrix, a corresponding Nash equilibrium solution is obtained through a Lemke-Howson algorithm, specifically, the probability that two cars take corresponding actions is as follows:
in the formula, PeSelecting probability of each action, P, for the vehiclesSelecting the probability of each action for surrounding vehicles;
obtaining the optimal driving behavior A obtained after the interactive game of the vehicle and the surrounding vehicles according to the probability of each action*And B*The specific corresponding local track end points are as follows:
wherein k is 1 to 5.
5) According to the optimal driving behavior A of the self-vehicle*And (4) corresponding end point constraint, planning a corresponding local track of the self-vehicle by utilizing a polynomial fitting method, and inputting the local track into a control execution module of the vehicle to perform track tracking execution.
51) Specifically, the behavior A can be restricted according to the state of the vehicle corresponding to the current time t and the final time t + Np*Solving local trajectory equations(s) with determined position constraintst,lt);
For lateral, at the end of the time the vehicle is stable, the corresponding lateral velocity and acceleration are both 0 and can be expressed as follows using a 4 th order polynomial:
wherein, cmFitting parameters of the planned lateral trajectory, wherein m is 0-4;
for the longitudinal direction, the velocity of the local trajectory at the final time is unknown, the acceleration is 0, and the following can be expressed by using a 3-degree polynomial:
wherein d isnFitting parameters of the planned lateral trajectory, wherein n is 0-3;
thereby obtaining the corresponding local track of the self-vehicle.
While the invention has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (4)
1. An automatic driving vehicle decision planning method considering interactive game is characterized by comprising the following steps:
1) acquiring relative position and relative speed information of surrounding vehicles in real time;
2) local track prediction is carried out on surrounding vehicles based on a vehicle kinematic model;
3) establishing an interactive game model of the self vehicle and surrounding vehicles by a Nash game method;
4) determining joint optimal driving behaviors by using a disadvantage elimination strategy and a Nash equilibrium method;
5) and planning a corresponding track according to the determined optimal driving behavior of the self-vehicle.
2. The interactive game-based decision planning method for the automatic driving vehicle according to claim 1, wherein the predicting local trajectories of the surrounding vehicles based on the kinematic model in the step 2) specifically comprises:
21) the kinematic equation for the acceleration of the vehicle to the vehicle state is established as follows:
in the formula (I), the compound is shown in the specification,respectively corresponding tangential acceleration and normal acceleration of the vehicle; st,lt,vt,The vehicle state is respectively longitudinal position, lateral position, speed and yaw angle information;
22) establishing constraints corresponding to the predicted track at the current time t and the final time t + Np;
at the current time t, the surrounding vehicle motion information perceived by the vehicle comprises:
wherein, Δ st,ΔltThe relative longitudinal position and the relative transverse position of the surrounding vehicle and the self vehicle are respectively;the corresponding speed and acceleration of the surrounding vehicle respectively;the relative yaw velocity of the surrounding vehicle and the own vehicle;respectively the yaw angular velocity and the yaw angular acceleration of the surrounding vehicles;
the motion information of the surrounding vehicle at the current time t is expressed as follows:
wherein the content of the first and second substances,respectively the longitudinal and transverse positions of the surrounding vehicle,as is the yaw angle of the surrounding vehicle,tangential and normal accelerations of the surrounding vehicle, respectively;
for the final time t + Np of the predicted trajectory, the corresponding lateral velocity and acceleration will be 0, with the following specific constraints:
wherein the content of the first and second substances,the lateral speed corresponding to the peripheral vehicle at the final moment of the predicted track is obtained;
23) for the lateral position of the vehicle, there are 5 constraints at the current time t and the final time t + Np, fitting with a 4 th order polynomial as follows:
wherein, aiFitting parameters of the lateral track are represented by i, wherein i is 0-4;
for the longitudinal position, a 3 rd order polynomial is fitted according to the 4 constraints at the current time t and the final time t + Np as follows:
in the formula, bjFitting parameters of the longitudinal track, wherein j is 0-3;
therefore, a local track corresponding to the surrounding vehicle in a future time domain [ t, t + Np ] is obtained.
3. The interactive game-based decision planning method for automated driving vehicles according to claim 1, wherein the step 3) specifically comprises:
31) when a vehicle exists around the self vehicle, the game vehicle is the vehicle existing in the self vehicle; when a plurality of vehicles exist around, if interactive games are considered at the same time, the calculated amount is too large when the optimal driving behavior is solved, and the vehicle with the largest risk degree around is selected as a game vehicle;
32) when the own vehicle and the surrounding vehicles make decisions at each moment, the driving behaviors of accelerating, decelerating or changing lanes are executed, and the action sets A and B of the own vehicle and the surrounding vehicles are as follows:
A={A1,A2,A3,A4,A5};B={B1,B2,B3,B4,B5}
in the formula, A1,A2,A3,A4,A5Respectively performing acceleration, left lane changing, deceleration, right lane changing and motion maintaining behaviors of the bicycle; b is1,B2,B3,B4,B5Acceleration, left lane change, deceleration, right lane change and motion maintenance behaviors of surrounding vehicles are respectively performed;
bicycle A5The track corresponding to the action is the track predicted in the step 2), and the corresponding target end point is as follows:with movement holding action A5As a reference, a left lane and a right lane A are obtained2,A4The end points of the corresponding local trajectories are as follows:
in the formula IupAnd ldownThe lateral positions of the central lines of the two adjacent lanes corresponding to the surrounding vehicles are respectively obtained through lane line recognition sensors;
corresponding acceleration action A1And a deceleration action A3Is in the lateral position of5And the longitudinal position is obtained according to the acceleration and deceleration performance of the vehicle, and the longitudinal position is specifically as follows:
where Np is the local trajectory planning time domain, aeIs the corresponding maximum acceleration of the vehicle during normal running, deThe maximum deceleration corresponding to the normal running of the vehicle;
obtaining candidate end points corresponding to all actions of surrounding vehicles by the method in the step 32), so as to obtain an interactive game model of the vehicle and the surrounding vehicles;
33) and obtaining profits of the two vehicles taking corresponding actions through corresponding benefit functions according to the action sets corresponding to the two game vehicles and the corresponding local track terminal points, and establishing a corresponding game matrix G.
4. The interactive game-based decision planning method for autonomous vehicles according to claim 3, wherein the step 4) comprises:
41) for the game matrix G obtained in the step 33), a low-dimensionality game matrix is obtained or the optimal driving behaviors of two game vehicles are directly obtained by removing the disadvantage strategy;
42) for a low-dimensional game matrix, a corresponding Nash equilibrium solution is obtained through a Lemke-Howson algorithm, specifically, the probability that two cars take corresponding actions is as follows:
in the formula, PeSelecting probability of each action, P, for the vehiclesSelecting the probability of each action for surrounding vehicles;
obtaining the optimal driving behavior A obtained after the interactive game of the vehicle and the surrounding vehicles according to the probability of each action*And B*The specific corresponding local track end points are as follows:
wherein k is 1 to 5.
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CN113963535A (en) * | 2021-09-30 | 2022-01-21 | 华为技术有限公司 | Driving decision determination method and device and electronic equipment storage medium |
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CN114084155B (en) * | 2021-11-15 | 2023-10-20 | 清华大学 | Predictive intelligent automobile decision control method and device, automobile and storage medium |
CN114084155A (en) * | 2021-11-15 | 2022-02-25 | 清华大学 | Predictive intelligent automobile decision control method and device, vehicle and storage medium |
CN114162144A (en) * | 2022-01-06 | 2022-03-11 | 苏州挚途科技有限公司 | Automatic driving decision method and device and electronic equipment |
CN114162144B (en) * | 2022-01-06 | 2024-02-02 | 苏州挚途科技有限公司 | Automatic driving decision method and device and electronic equipment |
WO2023155041A1 (en) * | 2022-02-15 | 2023-08-24 | 华为技术有限公司 | Intelligent driving method, device, and vehicle comprising said device |
WO2024036580A1 (en) * | 2022-08-18 | 2024-02-22 | 华为技术有限公司 | Movement path planning method and apparatus and intelligent driving device |
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