CN115171368A - Lane dynamic control method and system for traffic incident management and control - Google Patents
Lane dynamic control method and system for traffic incident management and control Download PDFInfo
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Abstract
The invention provides a lane dynamic control method and system for traffic incident management and control, which comprises the following steps: determining the accident position of the traffic accident; according to the accident position and the influence degree of the traffic accident on each lane, dividing the road sections of the lanes within a preset range away from the accident position; setting a corresponding lane passing scheme for each lane in the divided road section; and controlling the vehicle to pass according to the lane passing scheme. According to the position of a traffic accident and the influence degree of the accident, road sections within a preset range of the traffic accident are divided, different vehicle passing schemes are set for the road sections under different conditions, and the efficiency of traffic accident management and control can be greatly improved.
Description
Technical Field
The invention relates to the field of traffic control, in particular to a lane dynamic control method and system for traffic incident control.
Background
As vehicle reserves increase, the total number of traffic accidents also increases. When the vehicle is collided, the traffic around the accident point is disordered, and the normal vehicle passing is influenced. After an accident occurs, the vehicle cannot know the accident occurring in the front, the vehicle still moves forward according to the normal driving requirement, and the traffic starts to be jammed, so that the behaviors of changing lanes, adding traffic jams, bypassing and the like of the vehicle behind occur, the traffic jam is further aggravated, the traffic capacity of the road is seriously reduced, or when an accident or an event occurs in a certain lane, the whole upstream line of the lane needs to be closed, and the traffic efficiency is influenced. In order to provide a traffic indication for vehicles at an accident point in time under the condition of a traffic incident, the invention provides a lane dynamic control method and a lane dynamic control system for traffic incident control.
Disclosure of Invention
The invention aims to provide a lane dynamic control method and system for traffic incident management and control, which are used for dividing road sections within a preset traffic incident range according to the positions of traffic incidents and the influence degree of the incidents, setting different vehicle passing schemes for the road sections under different conditions and greatly improving the efficiency of traffic incident management and control.
In order to achieve the purpose, the invention provides the following scheme:
a lane dynamics control method for traffic event management, comprising:
determining an accident position of a traffic accident;
according to the accident position and the influence degree of the traffic accident on each lane, dividing the road sections of the lanes within a preset range away from the accident position;
setting a corresponding lane passing scheme for each lane in the divided road section;
and controlling the vehicle to pass according to the corresponding lane passing scheme.
Optionally, the road segment division is performed on the lanes within the preset range from the accident position according to the accident position and the influence degree of the traffic accident on each lane, and specifically includes:
dividing the lane in which the traffic accident is located, wherein the lane is not less than 1 time of the parking sight distance range from the accident position along the driving reverse direction, into accident sections;
dividing the lane within a preset length away from the accident section into a shunting section along the opposite direction of the vehicle on the lane where the traffic accident is located;
dividing the lanes except the lane where the traffic accident is located into buffer sections, wherein the length of each buffer section is the sum of the lengths of the accident section and the shunting section;
and (3) along the directions before and after the driving direction definition, dividing the accident section, all lanes in front of the buffer section and all lanes behind the shunting section and the buffer section into normal road sections.
Optionally, the preset length is equal to the length of the shunt segment, and calculating the length of the shunt segment specifically includes:
determining the driving speed of a vehicle on the leftmost lane of the shunting section;
determining a rate of change of the vehicle to change a lane;
determining the number of lanes changed from the leftmost lane of the shunting section to the normal lane;
and calculating the length of the shunting section according to the running speed, the conversion rate and the number of the lanes.
Optionally, the formula for calculating the length of the shunt segment is as follows: s = v/3.6 × m × n, where S denotes the length of the split section; v represents a running speed; m represents a transform rate; n represents the minimum number of lanes.
Optionally, the setting of a corresponding lane passing scheme for each lane in the divided road segment specifically includes:
carrying out vehicle no-pass processing on each lane of the accident section;
according to the relative position of the shunting section on the road, carrying out vehicle shunting treatment on each lane of the shunting section; the vehicle shunting comprises left shunting and right shunting; left side confluence and right side confluence;
sequentially carrying out vehicle gradual speed reduction treatment on each lane of the buffer section along the driving direction;
and carrying out normal traffic processing on each lane of the normal road section.
Optionally, the vehicle diversion processing is performed on each lane of the diversion section according to the relative position of the diversion section on the road, and specifically includes:
when the shunting section is on the left side of the road, carrying out vehicle right side shunting on each lane of the shunting section;
when the shunting section is on the right side of the road, performing right-side confluence on vehicles on each lane of the shunting section;
when the diversion section is on the left side of the road and an exit ramp is arranged on an adjacent upstream road section of the diversion section, performing left-side confluence on vehicles on each lane of the diversion section;
and when the shunting section covers all lanes and an exit ramp is arranged on an upstream road section adjacent to the shunting section, a left-side confluence mark is arranged on the leftmost lane of the shunting section, and the right-side confluence of vehicles is carried out on the other lanes.
Optionally, the pair of lanes of the buffer section sequentially perform gradual speed reduction processing on the vehicle along the driving direction, and specifically include:
determining speed limit requirements on each lane of the buffer section;
determining a speed reduction interval according to the speed limit requirement;
and according to the speed reduction interval, gradually reducing the speed of the vehicle on each lane of the buffer section.
A lane dynamics control system for traffic event management, comprising:
the accident position determining module is used for determining the accident position of the traffic accident;
the road section dividing module is used for dividing road sections of the lanes within a preset range away from the accident position according to the accident position and the influence degree of the traffic accident on each lane;
and the traffic scheme setting module is used for setting a corresponding lane traffic scheme for each lane in the divided road section and controlling the vehicle to pass according to the corresponding lane traffic scheme.
Optionally, the road segment dividing module specifically includes:
the accident section dividing unit is used for dividing the lane, in which the traffic accident is located, into accident sections along the driving reverse direction, of which the distance from the accident position to the parking sight distance is not less than 1 time;
the traffic accident section dividing unit is used for dividing a lane within a preset length from the accident section into traffic sections along the opposite direction of a vehicle on the lane where the traffic accident is located;
the buffer section dividing unit is used for dividing other lanes except the lane where the traffic accident is located into buffer sections, and the length of each buffer section is the sum of the lengths of the accident section and the shunting section;
and the normal road section dividing unit is used for dividing the accident section, all lanes in the front of the buffer section and all lanes in the rear of the shunting section into normal road sections along the direction before and after the driving direction definition.
Optionally, the passing scheme setting module specifically includes:
the traffic scheme setting unit is used for carrying out vehicle passing prohibition processing on each lane of the accident section;
the shunting section passing scheme setting unit is used for carrying out vehicle shunting processing on each lane of the shunting section according to the relative position of the shunting section on the road; the vehicle shunting comprises left shunting, right shunting, left confluence and right confluence;
the buffer section passing scheme setting unit is used for sequentially carrying out vehicle gradual speed reduction processing on each lane of the buffer section along the driving direction;
and the normal road section passing scheme setting unit is used for carrying out normal passing processing on the vehicles on each lane of the normal road section.
An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the lane dynamic control method for traffic event management when executing the program.
A non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the lane dynamics control method for traffic event management.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a lane dynamic control method for traffic incident management and control, which comprises the following steps: determining an accident position of a traffic accident; according to the accident position and the influence degree of the traffic accident on each lane, road sections of the lanes within a preset range away from the accident position are divided; setting a corresponding lane passing scheme for each lane in the divided road section; and controlling the vehicle to pass according to the lane passing scheme. According to the position of a traffic accident and the influence degree of the accident, road sections within a preset range of the traffic accident are divided, different vehicle passing schemes are set for the road sections under different conditions, dynamic control is achieved, and the efficiency of traffic accident management and control can be greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a flowchart of a lane dynamic control method for traffic event management and control according to embodiment 1 of the present invention;
fig. 2 is a traffic scheme diagram of each road section when a traffic accident occurs in an outer single lane according to embodiment 1 of the present invention;
fig. 3 is a traffic plan diagram of each road section when a traffic accident occurs in an outer multi-lane according to embodiment 1 of the present invention;
fig. 4 is a traffic scheme diagram of each road segment when a chain of traffic accidents occur according to embodiment 1 of the present invention;
fig. 5 is a traffic plan diagram of each road section when a traffic accident occurs in lanes on two sides according to embodiment 1 of the present invention;
fig. 6 is a traffic plan diagram of each road section when a traffic accident occurs in a plurality of outside lanes and an exit ramp exists on an immediately adjacent upstream road section according to embodiment 1 of the present invention;
fig. 7 is a traffic plan diagram of each road section when a traffic accident occurs in a plurality of outside lanes and an entrance ramp is provided on an immediately adjacent upstream road section according to embodiment 1 of the present invention;
fig. 8 is a traffic plan diagram of each road section when a traffic accident occurs in each lane according to embodiment 1 of the present invention;
fig. 9 is a block diagram of a lane dynamic control system for traffic event management and control according to embodiment 2 of the present invention;
fig. 10 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a lane dynamic control method and system for traffic incident management and control, which can divide road sections within a preset traffic accident range according to the position of a traffic accident and the influence degree of the accident, set different vehicle passing schemes for the road sections under different conditions and greatly improve the efficiency of traffic accident management and control.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1, the present embodiment provides a lane dynamic control method for traffic event management and control, including:
step S1: determining the accident position of the traffic accident;
step S2: according to the accident position and the influence degree of the traffic accident on each lane, road sections of the lanes within a preset range away from the accident position are divided;
the step S2 specifically includes:
step S201: dividing the lane, on which the traffic accident is located, from the accident position along the driving reverse direction, into accident sections, wherein the parking sight distance range is not less than 1 time;
for the division of the accident section, a vehicle accident point and an adjacent influence road section behind the vehicle accident point are considered, a range which is not less than 1 time of the parking sight distance from the accident point to the driving direction is regarded as the accident section, and the minimum length of the accident section is equal to the length of the parking sight distance; the accident section longitudinally covers at least the accident point to the upstream first lane control unit, and when the distance from the rear first lane indicator is insufficient, the range of the accident section extends to the next lane indicator; and transversely covering all the affected lanes, and displaying a no-pass sign in the affected range of the accident section.
Step S202: dividing the lane within a preset length away from the accident section into a shunting section along the opposite direction of the vehicle on the lane where the traffic accident is located; the main purpose of the shunting segment is to instruct vehicles to run on the road or to take the main road;
in step S202, the preset length is equal to the length of the shunt segment, and calculating the length of the shunt segment specifically includes:
determining the driving speed of a vehicle on the leftmost lane of the shunting section;
determining a rate of change of the vehicle to a lane; the value of the transform rate may be selected to be 3s;
determining the number of lanes changed from the leftmost lane of the shunting section to the normal lane;
and calculating the length of the shunting section according to the driving speed, the conversion rate and the number of the lanes.
The formula for calculating the length of the shunt section is as follows: s = v/3.6 × m × n, where S denotes the length of the split section; v represents a running speed (design speed); m represents a transform rate; n represents the minimum number of lanes. Table 1 is a table of values of the design speed versus the parking line of sight.
TABLE 1 numerical relation table of design speed and parking visual distance
| Design speed (km/h) | 120 | 100 | 80 | 60 | 50 | 40 | 30 | 20 |
| Parking apparent distance (m) | 210 | 160 | 110 | 70 | 60 | 40 | 30 | 20 |
It should be noted that the calculated length of the diversion section is the minimum length, the diversion section length should at least cover one lane indicator after the accident section, and when the length is insufficient, the diversion section length is extended backwards by one lane indicator length.
Step S203: dividing the lanes except the lane where the traffic accident is located into buffer sections, wherein the length of each buffer section is the sum of the lengths of the accident section and the shunting section; the buffer section and the accident section are arranged in parallel.
Step S204: and (3) along the directions before and after the driving direction definition, dividing the accident section, all lanes in front of the buffer section and all lanes behind the shunting section and the buffer section into normal road sections.
And step S3: setting a corresponding lane passing scheme for each lane in the divided road section;
step S3 specifically includes:
step S301: carrying out vehicle no-pass processing on each lane of the accident section;
step S302: according to the relative position of the shunting section on the road, carrying out vehicle shunting treatment on each lane of the shunting section; the vehicle shunting comprises left shunting, right shunting, left confluence and right confluence;
in step S302, when the diversion section is on the left side of the road, a right diversion flag may be set on each lane of the diversion section (vehicle right diversion processing is performed);
when the diversion section is on the right side of the road, a right-side confluence mark can be arranged on each lane of the diversion section (vehicle right-side confluence processing is carried out);
when the shunting section is on the left side of the road and an exit ramp is arranged on an upstream road section adjacent to the shunting section, a left-side confluence mark (for vehicle left-side confluence processing) can be arranged on each lane of the shunting section;
when the diversion section covers the whole road (all lanes), and an exit ramp is arranged on an adjacent upstream road section of the diversion section, a left-side confluence mark is arranged on the leftmost lane of the diversion section, and right-side confluence marks can be arranged on the other lanes (for right-side confluence treatment of the vehicle).
It should be noted that in the diversion section, a no-pass mark may be further disposed on the lane near the accident section, and the lane far from the accident section may be subjected to speed reduction processing.
Step S303: sequentially carrying out vehicle gradual speed reduction processing on each lane of the buffer section along the driving direction;
wherein, step S303 specifically includes:
determining speed limit requirements on each lane of the buffer section;
determining a speed reduction interval according to the speed limit requirement;
and setting deceleration marks (for performing gradual deceleration processing on the vehicle) on each lane of the buffer section according to the deceleration interval. The buffer section mainly realizes speed coordination, longitudinally covers the accident section to the shunting section, and transversely covers all lanes except the accident influence range; in the buffer section, the speed is reduced step by step from the normal driving section to the accident section in each lane, and the speed reduction interval is 20km/h for the roads with the speed limit within 80 km/h; for the road with the speed limit of more than 80km/h, the speed reduction interval is 30km/h.
Step S304: and setting a normal passing mark (carrying out normal passing processing of the vehicle) on each lane of the normal road section. And a normal traffic or normal speed limit sign can be displayed for the normal traffic road section. The road section is driven according to the road section speed limit requirement under the normal condition.
And step S4: and controlling the vehicle to pass according to the corresponding lane passing scheme.
In order to more clearly understand the technical scheme of the invention, a schematic diagram of the division of road sections and the vehicle passing scheme corresponding to each road section in different traffic accident scenes is given, wherein fig. 2 is a passing scheme diagram of each road section when a traffic accident occurs on an outer single lane; FIG. 3 is a traffic scheme diagram of each road section when traffic accidents occur in multiple lanes on the outer side; FIG. 4 is a traffic scheme diagram of each road section when a interlinked traffic accident occurs; FIG. 5 is a traffic scheme diagram of each road section when traffic accidents occur on two side lanes; FIG. 6 is a traffic pattern diagram of each road section when traffic accidents happen to multiple lanes on the outer side and an exit ramp exists on an immediately adjacent upstream road section; FIG. 7 is a traffic scheme diagram of each road section when traffic accidents happen to multiple lanes on the outer side and the entrance ramp of the adjacent upstream road section is closed; FIG. 8 is a traffic pattern diagram of each road section when a traffic accident occurs in each lane;
in each figure, the A frame area represents an accident section; b, a flow splitting segment represented by a frame region; a buffer segment represented by a C-frame region; and D, normal road sections represented by the frame areas.
Representing a variable vehicle speed;
respectively representing a left-side confluence and a right-side confluence;
representing left-side split, right-side split;
indicating no passage;
indicating normal traffic.
In this embodiment, according to the lane position (leftmost lane, rightmost lane, middle lane) where the accident occurs; meanwhile, different speed limits, lane merging, main road driving-out indication and the like are adopted for adjacent areas so as to coordinate vehicles to avoid the accident road section and prevent secondary accidents from happening; meanwhile, vehicles passing through the accident road section are reminded of driving cautiously, and the traffic flow running speeds of the front and the back of the accident road section are coordinated. In addition, the method can be used for general map navigation software of Baidu, gaode and the like, and can be used for issuing traffic accident information in sections and lanes and accurately inducing traffic flow.
Example 2
As shown in fig. 9, the present embodiment provides a lane dynamics control system for traffic event management, including:
the accident position determining module M1 is used for determining the accident position of the traffic accident;
the road section dividing module M2 is used for dividing road sections of the lanes within a preset range away from the accident position according to the accident position and the influence degree of the traffic accident on each lane;
the road section division module specifically comprises:
the accident section dividing unit is used for dividing the lane, in which the traffic accident is located, into accident sections along the driving reverse direction, of which the distance from the accident position to the parking sight distance is not less than 1 time;
the traffic accident section dividing unit is used for dividing a lane within a preset length from the accident section into traffic sections along the opposite direction of a vehicle on the lane where the traffic accident is located;
the buffer section dividing unit is used for dividing other lanes except the lane where the traffic accident is located into buffer sections, and the length of each buffer section is the sum of the lengths of the accident section and the shunting section;
and the normal road section dividing unit is used for dividing the accident section, all lanes in the front of the buffer section and all lanes in the rear of the shunting section into normal road sections along the directions before and after the driving direction definition.
And the traffic scheme setting module M3 is used for setting a corresponding traffic scheme for each lane in the divided road sections and controlling the vehicles to pass according to the corresponding traffic scheme.
The passing scheme setting module specifically comprises:
the traffic scheme setting unit is used for carrying out vehicle passing prohibition processing on each lane of the accident section;
the shunting section passing scheme setting unit is used for carrying out vehicle shunting treatment on each lane of the shunting section according to the relative position of the shunting section on the whole lane; the vehicle shunting comprises left shunting and right shunting; left side confluence and right side confluence;
the buffer section passing scheme setting unit is used for sequentially carrying out gradual speed reduction treatment on each lane of the buffer section along the driving direction;
and the normal road section passing scheme setting unit is used for performing normal passing processing on each lane of the normal road section.
For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.
Fig. 10 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 10, the electronic device may include: a processor (processor) 401, a communication Interface (communication Interface) 402, a memory (memory) 403 and a bus 404, wherein the processor 401, the communication Interface 402 and the memory 403 complete communication with each other through the bus 404. The communication interface 402 may be used for information transfer of an electronic device. Processor 401 may call logic instructions in memory 403 to perform a method comprising:
determining the accident position of the traffic accident;
according to the accident position and the influence degree of the traffic accident on each lane, dividing the road sections of the lanes within a preset range away from the accident position;
setting a corresponding lane passing scheme for each lane in the divided road section;
and controlling the vehicle to pass according to the lane passing scheme.
In addition, the logic instructions in the memory 403 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-described method embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to execute the method provided by the foregoing embodiments, for example, the method includes:
determining the accident position of the traffic accident;
according to the accident position and the influence degree of the traffic accident on each lane, dividing the road sections of the lanes within a preset range away from the accident position;
setting a corresponding lane passing scheme for each lane in the divided road section;
and controlling the vehicle to pass according to the lane passing scheme.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (12)
1. A lane dynamics control method for traffic event management, comprising:
determining the accident position of the traffic accident;
according to the accident position and the influence degree of the traffic accident on each lane, dividing the road sections of the lanes within a preset range away from the accident position;
setting a corresponding lane passing scheme for each lane in the divided road section;
and controlling the vehicle to pass according to the lane passing scheme.
2. The method according to claim 1, wherein the step of dividing the lanes within a preset range from the accident position according to the accident position and the influence degree of the traffic accident on each lane specifically comprises:
dividing the lane in which the traffic accident is located, wherein the lane is not less than 1 time of the parking sight distance range from the accident position along the driving reverse direction, into accident sections;
dividing the lane within a preset length away from the accident section into a shunting section along the opposite direction of the vehicle on the lane where the traffic accident is located;
dividing the lanes except the lane where the traffic accident is located into buffer sections, wherein the length of each buffer section is the sum of the lengths of the accident section and the shunting section;
and (3) along the directions before and after the driving direction definition, dividing the accident section, all lanes in front of the buffer section and all lanes behind the shunting section and the buffer section into normal road sections.
3. The method according to claim 2, wherein the preset length is equal to the length of the branch section, and calculating the length of the branch section specifically comprises:
determining the running speed of a vehicle on the leftmost lane of the shunting section;
determining a rate of change of the vehicle to a lane;
determining the number of lanes changed from the leftmost lane of the shunting section to the normal lane;
and calculating the length of the shunting section according to the driving speed, the conversion rate and the number of the lanes.
4. The method of claim 3, wherein the length of the diversion section is calculated according to the formula: s = v/3.6 × m × n, where S denotes the length of the split section; v represents a running speed; m represents a transform rate; n represents the minimum number of lanes.
5. The method according to claim 2, wherein the setting of a corresponding lane passing scheme for each lane in the divided road segment specifically includes:
carrying out vehicle no-pass processing on each lane of the accident section;
according to the relative position of the shunting section on the road, carrying out vehicle shunting treatment on each lane of the shunting section; the vehicle shunting comprises left shunting, right shunting, left converging and right converging;
sequentially carrying out vehicle gradual speed reduction processing on each lane of the buffer section along the driving direction;
and carrying out normal traffic processing on each lane of the normal road section.
6. The method according to claim 5, wherein the performing of vehicle diversion processing on each lane of the diversion section according to the relative position of the diversion section on the road specifically comprises:
when the shunting section is on the left side of the road, carrying out vehicle right side shunting on each lane of the shunting section;
when the shunting section is on the right side of the road, performing right-side confluence on vehicles on each lane of the shunting section;
when the diversion section is on the left side of the road and an exit ramp is arranged on an upstream road section adjacent to the diversion section, performing left-side confluence on vehicles on each lane of the diversion section;
and when the flow dividing section covers all lanes and an exit ramp is arranged on an upstream road section adjacent to the flow dividing section, carrying out left-side confluence treatment on the lanes on the leftmost side of the flow dividing section, and carrying out right-side confluence on the other lanes.
7. The method according to claim 5, wherein the step-by-step vehicle deceleration processing is sequentially performed on each lane of the buffer section along the driving direction, specifically comprising:
determining speed limit requirements on each lane of the buffer section;
determining a speed reduction interval according to the speed limit requirement;
and according to the speed reduction interval, gradually reducing the speed of the vehicle on each lane of the buffer section.
8. A lane dynamics control system for traffic event management, comprising:
the accident position determining module is used for determining the accident position of the traffic accident;
the road section dividing module is used for dividing road sections of the lanes within a preset range from the accident position according to the accident position and the influence degree of the traffic accident on each lane;
and the traffic scheme setting module is used for setting a corresponding lane traffic scheme for each lane in the divided road section and controlling the vehicle to pass according to the corresponding lane traffic scheme.
9. The system of claim 8, wherein the segment partitioning module specifically comprises:
the accident section dividing unit is used for dividing the lane, in which the traffic accident is located, into accident sections along the driving reverse direction, of which the distance from the accident position to the parking sight distance is not less than 1 time;
the traffic accident section dividing unit is used for dividing a lane within a preset length from the accident section into traffic sections along the opposite direction of a vehicle on the lane where the traffic accident is located;
the buffer section dividing unit is used for dividing other lanes except the lane where the traffic accident is located into buffer sections, and the length of each buffer section is the sum of the lengths of the accident section and the shunting section;
and the normal road section dividing unit is used for dividing the accident section, all lanes in the front of the buffer section and all lanes in the rear of the shunting section into normal road sections along the direction before and after the driving direction definition.
10. The system of claim 8, wherein the traffic plan setting module comprises:
the traffic scheme setting unit is used for carrying out traffic prohibition processing on each lane of the accident section;
the shunting section passing scheme setting unit is used for carrying out vehicle shunting processing on each lane of the shunting section according to the relative position of the shunting section on the road; the vehicle shunting comprises left shunting, right shunting, left confluence and right confluence;
the buffer section passing scheme setting unit is used for sequentially carrying out vehicle gradual speed reduction processing on each lane of the buffer section along the driving direction;
and the normal road section passing scheme setting unit is used for carrying out normal passing processing on the vehicles on each lane of the normal road section.
11. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the program, implements the steps of the method for lane dynamics control for traffic event management according to any one of claims 1 to 7.
12. A non-transitory computer readable storage medium, having stored thereon a computer program, when being executed by a processor, to implement the steps of the lane dynamics control method for traffic event management according to any one of claims 1 to 7.
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