CN111785039A - Control method, device, equipment and medium for two-way single-lane intelligent driving vehicle - Google Patents
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Abstract
Description
技术领域technical field
本公开涉及智能驾驶控制领域,具体地,涉及一种双向单车道智能驾驶车辆的管制方法、装置、设备及介质。The present disclosure relates to the field of intelligent driving control, and in particular, to a control method, device, device and medium for a two-way single-lane intelligent driving vehicle.
背景技术Background technique
无人驾驶的关键技术涉及到执行控制、环境感知、高精定位、决策规划、运营调度等众多的技术领域。当多个无人驾驶车辆需要同时占用某特定区域时,由于路径资源冲突,需要设置合适的通行策略以避免同时占用导致车辆之间出现碰撞或者拥堵。The key technologies of unmanned driving involve many technical fields such as executive control, environmental perception, high-precision positioning, decision planning, and operation scheduling. When multiple unmanned vehicles need to occupy a specific area at the same time, due to the conflict of route resources, it is necessary to set an appropriate traffic strategy to avoid collision or congestion between vehicles caused by simultaneous occupation.
发明内容SUMMARY OF THE INVENTION
(一)要解决的技术问题(1) Technical problems to be solved
本公开提供了一种双向单车道智能驾驶车辆的管制方法、装置、设备及介质,利用最小管制时间所对应的通行策略管制车辆,避免车辆碰撞及拥堵,并提高了智能驾驶车辆在双向单车道内的通行效率。The present disclosure provides a control method, device, device and medium for a two-way single-lane intelligent driving vehicle, which utilizes the traffic strategy corresponding to the minimum control time to control the vehicle, avoids vehicle collision and congestion, and improves the intelligent driving vehicle in the two-way single lane. traffic efficiency.
(二)技术方案(2) Technical solutions
本公开提供了一种双向单车道智能驾驶车辆的管制方法,所述双向单车道中设置有避让区,所述方法包括:当第一车辆从所述双向单车道的一端进入所述双向单车道的过程中,所述双向单车道的另一端存在需进入所述双向单车道的第二车辆时,根据所述第一车辆的位置确定多种通行策略,所述多种通行策略包括所述第一车辆在所述双向单车道的一端等待所述第二车辆通过、所述第一车辆进入所述避让区内等待、所述第二车辆进入所述避让区内等待、所述第二车辆在所述双向单车道的另一端等待所述第一车辆通过中的两种及以上策略;计算每一所述通行策略下对应的管制时间;利用最小管制时间所对应的通行策略管制所述第一车辆和第二车辆。The present disclosure provides a control method for a two-way single-lane intelligent driving vehicle, wherein an avoidance area is set in the two-way single-lane, and the method includes: when a first vehicle enters the two-way single-lane from one end of the two-way single-lane During the process, when there is a second vehicle that needs to enter the two-way single lane at the other end of the two-way single lane, multiple traffic strategies are determined according to the position of the first vehicle, and the multiple traffic strategies include the first vehicle. The vehicle waits at one end of the two-way single lane for the second vehicle to pass, the first vehicle enters the avoidance area and waits, the second vehicle enters the avoidance area and waits, and the second vehicle is at the The other end of the two-way single lane waits for the first vehicle to pass through two or more strategies; calculate the corresponding control time under each of the traffic strategies; use the traffic strategy corresponding to the minimum control time to control the first vehicle and a second vehicle.
可选地,所述方法还包括:根据所述第一车辆和第二车辆的优先级确定所述第一车辆对应的第一权重,以及确定所述第二车辆对应的第二权重。Optionally, the method further includes: determining a first weight corresponding to the first vehicle according to the priorities of the first vehicle and the second vehicle, and determining a second weight corresponding to the second vehicle.
可选地,所述计算每一所述通行策略下对应的管制时间,包括:计算每一所述通行策略下第一车辆对应的第一管制时间以及第二车辆对应的第二管制时间;根据所述第一权重、第二权重、每一所述通行策略下的第一管制时间和第二管制时间计算每一所述通行策略下对应的管制时间。Optionally, the calculating the control time corresponding to each of the traffic strategies includes: calculating the first control time corresponding to the first vehicle and the second control time corresponding to the second vehicle under each of the traffic strategies; The first weight, the second weight, the first control time and the second control time under each of the traffic strategies are used to calculate the control time corresponding to each of the traffic strategies.
可选地,所述管制时间为:Optionally, the control time is:
T=ω1·T1+ω2·T2 T=ω 1 ·T 1 +ω 2 ·T 2
其中,T为所述管制时间,ω1为所述第一权重,T1为所述第一管制时间,ω2为所述第二权重,T2为所述第二管制时间。Wherein, T is the control time, ω 1 is the first weight, T 1 is the first control time, ω 2 is the second weight, and T 2 is the second control time.
可选地,所述第一管制时间T1为:Optionally, the first control time T1 is:
T1=(T1in+T1out+T1wait)+T1stop+Tstop1 T 1 =(T 1in +T 1out +T 1wait )+T 1stop +T stop1
其中,当所述第一车辆进入所述避让区内等待时,T1in为所述第一车辆进入所述避让区所用时间,T1out为所述第一车辆出所述避让区所用时间,T1wait为所述第一车辆在所述避让区中等待的时间;当所述第二车辆进入所述避让区内等待时,T1stop为所述第一车辆在所述避让区入口等待的时间;Tstop1为所述第一车辆在所述双向单车道的一端等待的时间。Wherein, when the first vehicle enters the avoidance area and waits, T 1in is the time taken by the first vehicle to enter the avoidance area, T 1out is the time taken by the first vehicle to exit the avoidance area, and T 1wait is the time that the first vehicle waits in the avoidance area; when the second vehicle enters the avoidance area and waits, T 1stop is the time that the first vehicle waits at the entrance of the avoidance area; T stop1 is the time that the first vehicle waits at one end of the two-way single lane.
可选地,所述第二管制时间T2为:Optionally, the second control time T2 is:
T2=(T2in+T2out+T2wait)+T2stop+Tstop2 T 2 =(T 2in +T 2out +T 2wait )+T 2stop +T stop2
其中,当所述第二车辆进入所述避让区内等待时,T2in为所述第二车辆进入所述避让区所用时间,T2out为所述第二车辆出所述避让区所用时间,T2wait为所述第二车辆在所述避让区中等待的时间;当所述第一车辆进入所述避让区内等待时,T2stop为所述第二车辆在所述避让区入口等待的时间;Tstop 2为所述第二车辆在所述双向单车道的一端等待的时间。Wherein, when the second vehicle enters the avoidance area and waits, T 2in is the time taken by the second vehicle to enter the avoidance area, T 2out is the time taken by the second vehicle to exit the avoidance area, and T 2wait is the time that the second vehicle waits in the avoidance area; when the first vehicle enters the avoidance area and waits, T 2stop is the time that the second vehicle waits at the entrance of the avoidance area; T stop 2 is the time that the second vehicle waits at one end of the two-way single lane.
可选地,所述方法还包括:实时监控所述双向单车道的两端是否有车辆进入。Optionally, the method further includes: monitoring in real time whether vehicles enter at both ends of the two-way single lane.
本公开还提供了一种双向单车道智能驾驶车辆的管制装置,所述双向单车道中设置有避让区,所述装置包括:策略确定模块,用于当第一车辆从所述双向单车道的一端进入所述双向单车道的过程中,所述双向单车道的另一端存在需进入所述双向单车道的第二车辆时,根据所述第一车辆的位置确定多种通行策略,所述多种通行策略包括所述第一车辆在所述双向单车道的一端等待所述第二车辆通过、所述第一车辆进入所述避让区内等待、所述第二车辆进入所述避让区内等待、所述第二车辆在所述双向单车道的另一端等待所述第一车辆通过中的两种及以上策略;计算模块,用于计算每一所述通行策略下对应的管制时间;管制模块,用于利用最小管制时间所对应的通行策略管制所述第一车辆和第二车辆。The present disclosure also provides a control device for a two-way single-lane intelligent driving vehicle, wherein an avoidance area is set in the two-way single-lane, and the device includes: a strategy determination module for when the first vehicle passes from one end of the two-way single-lane During the process of entering the two-way single lane, when there is a second vehicle that needs to enter the two-way single lane at the other end of the two-way single lane, various traffic strategies are determined according to the position of the first vehicle. The traffic strategy includes that the first vehicle waits for the second vehicle to pass through at one end of the two-way single lane, the first vehicle enters the avoidance area and waits, the second vehicle enters the avoidance area and waits, The second vehicle waits at the other end of the two-way single lane for the first vehicle to pass through two or more strategies; a calculation module is used to calculate the control time corresponding to each of the passing strategies; a control module, It is used to control the first vehicle and the second vehicle by using the traffic strategy corresponding to the minimum control time.
本公开还提供了一种电子设备,包括:处理器;存储器,其存储有计算机可执行程序,所述程序在被所述处理器执行时,使得所述处理器执行如上所述的双向单车道智能驾驶车辆的管制方法。The present disclosure also provides an electronic device, comprising: a processor; a memory storing a computer-executable program that, when executed by the processor, causes the processor to execute the above-mentioned bidirectional single lane Control methods for intelligent driving vehicles.
本公开还提供了一种计算机可读存储介质,其上存储有计算机程序,所述程序被处理器执行时实现如上所述的双向单车道智能驾驶车辆的管制方法。The present disclosure also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the above-mentioned control method for a two-way single-lane intelligent driving vehicle.
(三)有益效果(3) Beneficial effects
本公开提供的双向单车道智能驾驶车辆的管制方法、装置、设备及介质,将含有避让区的双向单车道设置为管制区域,设置多种通行策略,并选择最小管制时间所对应的通行策略管制车辆,避免车辆碰撞及拥堵,并提高了智能驾驶车辆在双向单车道内的通行效率。The control method, device, device and medium for a two-way single-lane intelligent driving vehicle provided by the present disclosure, set a two-way single-lane containing an avoidance area as a control area, set a variety of traffic strategies, and select the traffic strategy corresponding to the minimum control time to control Vehicles, avoid vehicle collisions and congestion, and improve the efficiency of intelligent driving vehicles in two-way single lanes.
附图说明Description of drawings
图1示意性示出了本公开实施例提供的双向单车道智能驾驶车辆的管制方法的流程图;FIG. 1 schematically shows a flowchart of a method for controlling a two-way single-lane intelligent driving vehicle provided by an embodiment of the present disclosure;
图2A示意性示出了本公开一实施例提供的双向单车道及避让区的结构示意图;FIG. 2A schematically shows a schematic structural diagram of a two-way single lane and an avoidance area provided by an embodiment of the present disclosure;
图2B示意性示出了本公开另一实施例提供的双向单车道及避让区的结构示意图;FIG. 2B schematically shows a schematic structural diagram of a two-way single lane and an avoidance area provided by another embodiment of the present disclosure;
图3A-3D分别示意性示出了本公开实施例的双向单车道智能驾驶车辆的管制方法中的四种通行策略;3A-3D respectively schematically illustrate four traffic strategies in the control method for a two-way single-lane intelligent driving vehicle according to an embodiment of the present disclosure;
图4示意性示出了本公开实施例提供的双向单车道智能驾驶车辆的管制装置的框图;FIG. 4 schematically shows a block diagram of a control device for a two-way single-lane intelligent driving vehicle provided by an embodiment of the present disclosure;
图5示意性示出了本公开实施例提供的电子设备的框图。FIG. 5 schematically shows a block diagram of an electronic device provided by an embodiment of the present disclosure.
附图标记说明:Description of reference numbers:
1-双向单车道;2-避让区;3-管制区;4-第一车辆;5-第二车辆。1-Two-way single lane; 2-Avoidance area; 3-Control area; 4-First vehicle; 5-Second vehicle.
具体实施方式Detailed ways
为使本发明的目的、技术方案和优点更加清楚明白,以下结合具体实施例,并参照附图,对本发明进一步详细说明。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.
图1示意性示出了本公开实施例提供的双向单车道智能驾驶车辆的管制方法的流程图。参阅图1,同时结合图2A-3D,对图1中所示方法进行详细说明,该方法包括操作S110-操作S130。FIG. 1 schematically shows a flowchart of a control method for a two-way single-lane intelligent driving vehicle provided by an embodiment of the present disclosure. Referring to FIG. 1 and in conjunction with FIGS. 2A-3D, the method shown in FIG. 1 will be described in detail, and the method includes operations S110-operation S130.
操作S110,当第一车辆从双向单车道的一端进入双向单车道的过程中,双向单车道的另一端存在需进入双向单车道的第二车辆时,根据第一车辆的位置确定多种通行策略,多种通行策略包括第一车辆在双向单车道的一端等待第二车辆通过、第一车辆进入避让区内等待、第二车辆进入避让区内等待、第二车辆在双向单车道的另一端等待第一车辆通过中两种及以上策略。Operation S110, when the first vehicle enters the two-way single-lane from one end of the two-way single-lane, and there is a second vehicle that needs to enter the two-way single-lane at the other end of the two-way single-lane, determine multiple traffic strategies according to the position of the first vehicle , a variety of traffic strategies include: the first vehicle waits at one end of the two-way single lane for the second vehicle to pass, the first vehicle enters the avoidance area and waits, the second vehicle enters the avoidance area and waits, and the second vehicle waits at the other end of the two-way single lane Two or more strategies in the first vehicle pass.
本实施例中,双向单车道是指允许智能驾驶车辆双向通行的单车道。双向单车道设置有避让区,以便于双向单车道两端的车辆在避让区处错车。本实施例中,可以根据实际应用场景在双向单车道两侧设置一个及以上的避让区,如图2A和2B所示。以图2A中示出的双向单车道1两侧设置一个避让区2为例,图中虚线所框出的区域为管制区3,可以通过计算或手动绘制的方式确定管制区的位置及大小,以确保双向单车道1被包含在管制区3中。当智能驾驶车辆达到管制区域之后,采用本实施例中的方法对车辆通信进行管制,以防止车辆在双向单车道内出现两车对向行驶时发生碰撞。In this embodiment, the two-way single lane refers to a single lane that allows intelligent driving vehicles to pass in both directions. A two-way single lane is provided with an avoidance area, so that vehicles at both ends of the two-way single lane can stray at the avoidance area. In this embodiment, one or more avoidance areas may be set on both sides of a two-way single lane according to an actual application scenario, as shown in FIGS. 2A and 2B . Taking the two-way single lane 1 shown in FIG. 2A as an example to set up an
根据本公开的实施例,可以实时监控双向单车道的两端是否有车辆进入,当监控到有车辆进入时,即刻触发车辆进入管制区的事件,以执行本实施例中的管制方法。智能驾驶车辆可以采集车辆坐标,当检测到车辆坐标进入管制区后,触发车辆进入管制区的事件,以获取所有即将进入管制区并与该车辆发生相遇的其它智能驾驶车辆,从而确定该车辆的通行策略。According to the embodiment of the present disclosure, it is possible to monitor in real time whether there is a vehicle entering at both ends of the two-way single lane. When a vehicle entering is monitored, the event of the vehicle entering the control area is immediately triggered to execute the control method in this embodiment. The intelligent driving vehicle can collect the vehicle coordinates. When it detects that the vehicle coordinates enter the control area, the event of the vehicle entering the control area is triggered to obtain all other intelligent driving vehicles that are about to enter the control area and encounter the vehicle, so as to determine the vehicle’s location. pass strategy.
当第一车辆从双向单车道的一端进入双向单车道的过程中,双向单车道的另一端存在需进入双向单车道的第二车辆时,存在四种通行策略。本实施例中,以避让区的数量为一个为例说明这四种通行策略,分别如图3A-3D所示。When the first vehicle enters the two-way single-lane from one end of the two-way single-lane, and there is a second vehicle that needs to enter the two-way single-lane at the other end of the two-way single-lane, there are four traffic strategies. In this embodiment, the number of avoidance areas is taken as an example to illustrate the four traffic strategies, as shown in FIGS. 3A-3D respectively.
参阅图3A中示出的第一种通行策略,第二车辆5在管制区的入口处停车等待,当第一车辆4通过该双向单车道后,第二车辆再驶入双向单车道中通行。Referring to the first traffic strategy shown in FIG. 3A , the
参阅图3B中示出的第二种通行策略,第二车辆5进入避让区内等待,当第一车辆4通过该双向单车道后,第二车辆再驶出避让区以在双向单车道中通行。具体地,第一车辆和第二车辆相向行驶,若第二车辆在第一车辆到达避让区入口之前进入避让区内时,第一车辆直接通过双向单车道;若第一车辆到达避让区入口时第二车辆尚未进入避让区内,第一车辆在避让区的入口处等待,直至第二车辆进入避让区后再行驶通过双向单车道。Referring to the second traffic strategy shown in FIG. 3B , the
参阅图3C中示出的第三种通行策略,第一车辆4在管制区的入口处停车等待,当第二车辆5通过该双向单车道后,第一车辆再驶入双向单车道中通行。Referring to the third traffic strategy shown in FIG. 3C , the
参阅图3D中示出的第四种通行策略,第一车辆4进入避让区内等待,当第二车辆5通过该双向单车道后,第一车辆再驶出避让区以在双向单车道中通行。具体地,第一车辆和第二车辆相向行驶,若第一车辆在第二车辆到达避让区入口之前进入避让区内时,第二车辆直接通过双向单车道;若第二车辆到达避让区入口时第一车辆尚未进入避让区内,第二车辆在避让区的入口处等待,直至第一车辆进入避让区后再行驶通过双向单车道。Referring to the fourth traffic strategy shown in FIG. 3D , the
操作S120,计算每一通行策略下对应的管制时间。In operation S120, the control time corresponding to each traffic policy is calculated.
根据本公开的实施例,在执行操作S120之前,还应执行以下操作:根据第一车辆和第二车辆的优先级确定第一车辆对应的第一权重,以及确定第二车辆对应的第二权重。本公开实施例中,可以预先设置优先级与权重之间的对应关系,当第一车辆和第二车辆到达管制区域内时,获取第一车辆和第二车辆的优先级,并查询预先设置的对应关系确定上述第一权重和第二权重。可以理解的是,车辆的优先级越高,其对应的权重越大,需要考虑其对应的权重以确定总的管制时间,以在保证较短管制时间的基础上优先放行优先级高的车辆。According to an embodiment of the present disclosure, before performing operation S120, the following operations should also be performed: determining a first weight corresponding to the first vehicle according to the priorities of the first vehicle and the second vehicle, and determining a second weight corresponding to the second vehicle . In the embodiment of the present disclosure, the corresponding relationship between the priority and the weight may be preset. When the first vehicle and the second vehicle arrive in the control area, the priority of the first vehicle and the second vehicle is obtained, and the preset value is queried. The correspondence relationship determines the above-mentioned first weight and second weight. It can be understood that the higher the priority of the vehicle, the greater the corresponding weight, and the corresponding weight needs to be considered to determine the total control time, so as to give priority to the vehicle with high priority on the basis of ensuring a shorter control time.
根据本公开的实施例,操作S120包括子操作S120A和子操作S120B。According to an embodiment of the present disclosure, operation S120 includes sub-operation S120A and sub-operation S120B.
在子操作S120A中,计算每一通行策略下第一车辆对应的第一管制时间以及第二车辆对应的第二管制时间。In sub-operation S120A, the first control time corresponding to the first vehicle and the second control time corresponding to the second vehicle under each traffic strategy are calculated.
根据本公开的实施例,第一车辆对应的第一管制时间T1为:According to the embodiment of the present disclosure, the first control time T1 corresponding to the first vehicle is:
T1=(T1in+T1out+T1wait)+T1stop+Tstop1 T 1 =(T 1in +T 1out +T 1wait )+T 1stop +T stop1
其中,当第一车辆进入避让区内等待时,T1in为第一车辆进入避让区所用时间,T1out为第一车辆出避让区所用时间,T1wait为第一车辆在避让区中等待的时间;当第二车辆进入避让区内等待时,T1stop为第一车辆在所述避让区入口等待的时间;Tstop1为第一车辆在双向单车道的一端等待的时间。Wherein, when the first vehicle enters the avoidance area and waits, T1in is the time taken by the first vehicle to enter the avoidance area, T1out is the time taken by the first vehicle to leave the avoidance area, and T1wait is the time the first vehicle waits in the avoidance area ; When the second vehicle enters the avoidance area and waits, T 1stop is the time that the first vehicle waits at the entrance of the avoidance area; T stop1 is the time that the first vehicle waits at one end of the two-way single lane.
根据本公开的实施例,第二车辆对应的第二管制时间T2为:According to the embodiment of the present disclosure, the second control time T 2 corresponding to the second vehicle is:
T2=(T2in+T2out+T2wait)+T2stop+Tstop2 T 2 =(T 2in +T 2out +T 2wait )+T 2stop +T stop2
其中,当第二车辆进入避让区内等待时,T2in为第二车辆进入避让区所用时间,T2out为第二车辆出避让区所用时间,T2wait为第二车辆在避让区中等待的时间;当第一车辆进入避让区内等待时,T2stop为第二车辆在避让区入口等待的时间;Tstop2为第二车辆在双向单车道的一端等待的时间。Wherein, when the second vehicle enters the avoidance area and waits, T2in is the time taken by the second vehicle to enter the avoidance area, T2out is the time taken by the second vehicle to leave the avoidance area, and T2wait is the time the second vehicle waits in the avoidance area ; When the first vehicle enters the avoidance area and waits, T 2stop is the time that the second vehicle waits at the entrance of the avoidance area; T stop2 is the time that the second vehicle waits at one end of the two-way single lane.
在子操作S120B中,根据第一权重、第二权重、每一通行策略下的第一管制时间和第二管制时间计算每一通行策略下对应的管制时间。管制时间为:In sub-operation S120B, the corresponding control time under each traffic strategy is calculated according to the first weight, the second weight, the first control time and the second control time under each traffic strategy. The control time is:
T=ω1·T1+ω2·T2 T=ω 1 ·T 1 +ω 2 ·T 2
其中,T为管制时间,ω1为第一权重,T1为第一管制时间,ω2为第二权重,T2为第二管制时间。Among them, T is the control time, ω 1 is the first weight, T 1 is the first control time, ω 2 is the second weight, and T 2 is the second control time.
对于图3A示出的第一种通行策略,第一车辆直接通过,第一管制时间T1为0;第二车辆在管制区入口等待,则T2in、T2out、T2wait、T2stop均为0,第二管制时间T2=Tstop 2。For the first traffic strategy shown in FIG. 3A , the first vehicle passes directly, and the first control time T 1 is 0; the second vehicle waits at the entrance of the control area, then T 2in , T 2out , T 2wait , and T 2stop are all 0, the second control time T 2 =T stop 2 .
第二车辆在双向单车道的一端等待的时间Tstop2是由第一车辆从当前位置驶出管制区所需时间来确定,Tstop2可以表示为:The time T stop2 that the second vehicle waits at one end of the two-way single lane is determined by the time required for the first vehicle to leave the control area from the current position, and T stop2 can be expressed as:
Tstop2=Thout-Thcurrent T stop2 =T hout -T hcurrent
其中,Thout为第一车辆驶出管制区的时间,Thcurrent为当前时间,可以通过第一车辆的路径信息获得Thout、Thcurrent。Wherein, T hout is the time when the first vehicle leaves the control area, and T hcurrent is the current time, and T hout and T hcurrent can be obtained from the path information of the first vehicle.
第一种通行策略下,管制时间T为:Under the first traffic strategy, the control time T is:
T=ω2·(Thout-Thcurrent)T=ω 2 ·(T hout -T hcurrent )
对于图3B示出的第二种通行策略,第二车辆在避让区内等待第一车辆通行,则T1in、T1out、T1wait、Tstop1均为0,第一管制时间T1=T1stop;且T2stop、Tstop2均为0,第二管制时间T2=T2in+T2out+T2wait。For the second traffic strategy shown in FIG. 3B , the second vehicle waits for the first vehicle to pass in the avoidance area, then T 1in , T 1out , T 1wait , and T stop1 are all 0, and the first control time T 1 =T 1stop ; and T 2stop and T stop2 are both 0, and the second control time T 2 =T 2in + T 2out +T 2wait .
对于上述第二种通行策略,分为第一车辆先到达避让区和第二车辆先到达避让区两种情况。可以通过计算第二车辆的避让路径和第一车辆的行驶路径之间的相遇点来进行区分,如果二者的路径不发生相遇,表明第二车辆先到达避让区,第一车辆无需在避让区入口等待;如果二者的路径发生相遇,表明第一车辆先到达避让区,第一车辆需要在避让区入口等待。For the above-mentioned second traffic strategy, there are two situations: the first vehicle arrives at the avoidance area first and the second vehicle arrives at the avoidance area first. It can be distinguished by calculating the encounter point between the avoidance path of the second vehicle and the travel path of the first vehicle. If the paths of the two do not meet, it means that the second vehicle reaches the avoidance area first, and the first vehicle does not need to be in the avoidance area. Wait at the entrance; if the paths of the two meet, it indicates that the first vehicle reaches the avoidance area first, and the first vehicle needs to wait at the entrance of the avoidance area.
(1)第一车辆先到达避让区时:(1) When the first vehicle arrives at the avoidance area first:
第一管制时间T1以及第一车辆在双向单车道的一端等待的时间T1stop为:The first control time T 1 and the time T 1stop that the first vehicle waits at one end of the two-way single lane are:
T1=T1stop=t2yield-t2current T 1 =T 1stop =t 2yield -t 2current
其中,t2yield为第二车辆到达避让区的时刻,t2current为第二车辆在第一车辆到达避让区入口时所对应的时刻。Wherein, t 2yield is the time when the second vehicle arrives at the avoidance area, and t 2current is the time corresponding to the second vehicle when the first vehicle arrives at the entrance of the avoidance area.
第二车辆进入避让区所用时间T2in、第二车辆出避让区所用时间T2out、第二车辆在避让区中等待的时间T2wait、第二车辆所对应的第二管制时间T2分别为:The time T 2in for the second vehicle to enter the avoidance area, the time T 2out for the second vehicle to leave the avoidance area, the time T 2wait for the second vehicle to wait in the avoidance area, and the second control time T2 corresponding to the second vehicle are respectively:
T2in=s2in/v2in T 2in =s 2in /v 2in
T2out=s2out/v2out T 2out =s 2out /v 2out
T2wait=syiled/v1yiled T 2wait =s yiled /v 1yiled
T2=(s2in/v2in)+(s2out/v2out)+(syiled/v1yiled)T 2 =(s 2in /v 2in )+(s 2out /v 2out )+(s yiled /v 1yiled )
其中,s2in为第二车辆从避让区入口到进入避让区车位的距离,v2in为第二车辆从避让区入口到进入避让区车位的平均速度,s2out为第二车辆从避让区车位到避让区出口的距离,v2out为第二车辆从避让区车位到避让区出口的平均速度,syiled为避让区旁边车道的长度,v1yiled为第一车辆经过避让区旁边车道的平均速度。Among them, s 2in is the distance from the entrance of the avoidance area to the parking space in the avoidance area, v 2in is the average speed of the second vehicle from the entrance of the avoidance area to the parking space in the avoidance area, and s 2out is the second vehicle from the parking space in the avoidance area to The distance from the exit of the avoidance area, v 2out is the average speed of the second vehicle from the parking space of the avoidance area to the exit of the avoidance area, s yiled is the length of the lane next to the avoidance area, and v 1yiled is the average speed of the first vehicle passing the lane next to the avoidance area.
管制时间T为:The control time T is:
T=ω1·(t2yield-t2current)+ω2·[(s2in/v2in)+(s2out/v2out)+(syiled/v1yiled)]T=ω 1 ·(t 2yield -t 2current )+ω 2 ·[(s 2in /v 2in )+(s 2out /v 2out )+(s yiled /v 1yiled )]
(2)第二车辆先到达避让区时:(2) When the second vehicle arrives at the avoidance area first:
第一管制时间T1以及第一车辆在双向单车道的一端等待的时间T1stop均为0,即T1=0。The first control time T 1 and the time T 1stop that the first vehicle waits at one end of the two-way single lane are both 0, that is, T 1 =0.
第二车辆在避让区中等待的时间T2wait为:The time T 2wait that the second vehicle waits in the avoidance zone is:
T2wait=t1out-t1current T 2wait =t 1out -t 1current
其中,t1out为第一车辆到达避让区出口的时刻,t1current为第一车辆在第二车辆到达避让区车位时对应的时刻。Wherein, t 1out is the time when the first vehicle arrives at the exit of the avoidance area, and t 1current is the time corresponding to the first vehicle when the second vehicle arrives at the parking space of the avoidance area.
第二管制时间T2、管制时间T为:The second control time T 2 and the control time T are:
T2=(s2in/v2in)+(s2out/v2out)+(t1out-t1current)T 2 =(s 2in /v 2in )+(s 2out /v 2out )+(t 1out -t 1current )
T=ω2·[(s2in/v2in)+(s2out/v2out)+(t1out-t1current)]T=ω 2 ·[(s 2in /v 2in )+(s 2out /v 2out )+(t 1out -t 1current )]
对于图3C示出的第三种通行策略,第二车辆直接通过,第一车辆在管制区入口等待,其对应管制时间的计算过程与图3A中示出的通行策略对应管制时间的计算过程相似,管制时间T为:For the third traffic strategy shown in FIG. 3C , the second vehicle passes directly, and the first vehicle waits at the entrance of the control area. The calculation process of the corresponding control time is similar to the calculation process of the control time corresponding to the traffic strategy shown in FIG. 3A . , the control time T is:
T=ω1·(T1out-T1current)T=ω 1 ·(T 1out −T 1current )
其中,T1out为第二车辆驶出管制区的时间,T1current为当前时间,可以通过第二车辆的路径信息获得T1out、T1current。Wherein, T 1out is the time when the second vehicle leaves the control area, and T 1current is the current time. T 1out and T 1current can be obtained from the path information of the second vehicle.
对于图3D示出的第四种通行策略,第一车辆在避让区内等待第二车辆通行,其对应的管制时间的计算过程与图3C中示出的通行策略对应管制时间的计算过程相似,分为以下两种情况:For the fourth traffic strategy shown in FIG. 3D , the first vehicle waits for the second vehicle to pass in the avoidance area, and the calculation process of the corresponding control time is similar to the calculation process of the control time corresponding to the traffic strategy shown in FIG. 3C , Divided into the following two cases:
(1′)第二车辆先到达避让区时,管制时间T为:(1') When the second vehicle arrives at the avoidance area first, the control time T is:
T=ω1·((s1in/v1in)+(s1out/v1out)+(syiled/v2yiled))+ω2·[t1yield-t1current]T=ω 1 ·((s 1in /v 1in )+(s 1out /v 1out )+(s yiled /v 2yiled ))+ω 2 ·[t 1yield -t 1current ]
其中,s1in为第一车辆从避让区入口到进入避让区车位的距离,v1in为第一车辆从避让区入口到进入避让区车位的平均速度,s1out为第一车辆从避让区车位到避让区出口的距离,v1out为第一车辆从避让区车位到避让区出口的平均速度,syiled为避让区旁边车道的长度,v2yiled为第二车辆经过避让区旁边车道的平均速度,t1yield为第一车辆到达避让区的时刻,t1current为第一车辆在第二车辆到达避让区入口时所对应的时刻。Among them, s 1in is the distance from the entrance of the avoidance area to the parking space in the avoidance area, v 1in is the average speed of the first vehicle from the entrance of the avoidance area to the parking space in the avoidance area, and s 1out is the first vehicle from the parking space in the avoidance area to The distance from the exit of the avoidance area, v 1out is the average speed of the first vehicle from the parking space of the avoidance area to the exit of the avoidance area, s yiled is the length of the lane next to the avoidance area, v 2yiled is the average speed of the second vehicle passing the lane next to the avoidance area, t 1yield is the time when the first vehicle reaches the avoidance area, and t 1current is the time corresponding to the first vehicle when the second vehicle arrives at the entrance of the avoidance area.
(2′)第一车辆先到达避让区时,管制时间T为:(2') When the first vehicle arrives at the avoidance area first, the control time T is:
T=ω1·[(s1in/v1in)+(s1out/v1out)+(t2out-t2current)]T=ω 1 ·[(s 1in /v 1in )+(s 1out /v 1out )+(t 2out -t 2current )]
其中,t2out为第二车辆到达避让区出口的时刻,t2current为第二车辆在第一车辆到达避让区车位时对应的时刻。Wherein, t 2out is the time when the second vehicle arrives at the exit of the avoidance area, and t 2current is the time corresponding to the second vehicle when the first vehicle arrives at the parking space of the avoidance area.
操作S130,利用最小管制时间所对应的通行策略管制第一车辆和第二车辆。In operation S130, the first vehicle and the second vehicle are controlled by using the traffic strategy corresponding to the minimum control time.
具体地,对以上四种通行策略所对应的四个管制时间进行对比,利用最小管制时间对应的通行策略管制第一车辆和第二车辆。以图3B中示出的通行策略对应的管制时间最小为例,则第二车辆驶入避让区中等待,直至第一车辆通过避让区后,第二车辆才驶出避让区并通过双向单车道。Specifically, the four control times corresponding to the above four traffic strategies are compared, and the traffic strategy corresponding to the minimum control time is used to control the first vehicle and the second vehicle. Taking the minimum control time corresponding to the traffic strategy shown in FIG. 3B as an example, the second vehicle enters the avoidance area and waits until the first vehicle passes the avoidance area, and then the second vehicle leaves the avoidance area and passes through the two-way single lane. .
图4示意性示出了本公开实施例提供的双向单车道智能驾驶车辆的管制装置的框图。参阅图4,该装置包括策略确定模块410、计算模块420以及管制模块430。FIG. 4 schematically shows a block diagram of a control device for a two-way single-lane intelligent driving vehicle provided by an embodiment of the present disclosure. Referring to FIG. 4 , the apparatus includes a
策略确定模块410例如执行操作S110,用于当第一车辆从双向单车道的一端进入双向单车道的过程中,双向单车道的另一端存在需进入双向单车道的第二车辆时,根据第一车辆的位置确定多种通行策略,多种通行策略包括第一车辆在双向单车道的一端等待第二车辆通过、第一车辆进入避让区内等待、第二车辆进入避让区内等待、第二车辆在双向单车道的另一端等待第一车辆通过中两种及以上策略。The
计算模块420例如执行操作S120,用于计算每一通行策略下对应的管制时间。The
管制模块430例如执行操作S130,用于利用最小管制时间所对应的通行策略管制第一车辆和第二车辆。The
本实施例中未尽之细节,请参阅前述图1-图3D所示实施例中描述的双向单车道智能驾驶车辆的管制方法,此处不再赘述。For details not covered in this embodiment, please refer to the control method for a two-way single-lane intelligent driving vehicle described in the embodiments shown in the foregoing FIG. 1 to FIG. 3D , which will not be repeated here.
本公开的实施例还示出了一种电子设备,如图5所示,电子设备500包括处理器510、计算机可读存储介质520。该电子设备500可以执行上面图1-图3D中描述的双向单车道智能驾驶车辆的管制方法。An embodiment of the present disclosure also shows an electronic device. As shown in FIG. 5 , the
具体地,处理器510例如可以包括通用微处理器、指令集处理器和/或相关芯片组和/或专用微处理器(例如,专用集成电路(ASIC)),等等。处理器510还可以包括用于缓存用途的板载存储器。处理器510可以是用于执行参考图1-图3D描述的根据本公开实施例的方法流程的不同动作的单一处理单元或者是多个处理单元。Specifically, the
计算机可读存储介质520,例如可以是能够包含、存储、传送、传播或传输指令的任意介质。例如,可读存储介质可以包括但不限于电、磁、光、电磁、红外或半导体系统、装置、器件或传播介质。可读存储介质的具体示例包括:磁存储装置,如磁带或硬盘(HDD);光存储装置,如光盘(CD-ROM);存储器,如随机存取存储器(RAM)或闪存;和/或有线/无线通信链路。Computer-
计算机可读存储介质520可以包括计算机程序521,该计算机程序521可以包括代码/计算机可执行指令,其在由处理器510执行时使得处理器510执行例如上面结合图1-图3D所描述的方法流程及其任何变形。The computer-
计算机程序521可被配置为具有例如包括计算机程序模块的计算机程序代码。例如,在示例实施例中,计算机程序521中的代码可以包括一个或多个程序模块,例如包括521A、模块521B、……。应当注意,模块的划分方式和个数并不是固定的,本领域技术人员可以根据实际情况使用合适的程序模块或程序模块组合,当这些程序模块组合被处理器510执行时,使得处理器510可以执行例如上面结合图1-图3D所描述的方法流程及其任何变形。The
以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present invention in further detail. It should be understood that the above descriptions are only specific embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
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