CN116311953A - Highway drainage method, drainage display method, device, equipment and medium - Google Patents
Highway drainage method, drainage display method, device, equipment and medium Download PDFInfo
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Abstract
The embodiment of the disclosure discloses a highway drainage method, a drainage display method, a device, equipment and a medium, wherein the method comprises the following steps: acquiring a target expressway to be drained; identifying a competing road of a target expressway according to the road network information, wherein the competing road is a road capable of replacing the target expressway; screening a drainage road which needs to be drained to a target expressway from the competing roads according to the user track data in the historical time period; and determining the drainage period and the drainage flow of the target expressway from the drainage road according to the traffic capacity of the target expressway and the historical traffic information of the target expressway and the drainage road, which are acquired in advance. According to the technical scheme, the target expressway and the competition road thereof can be analyzed, the drainage period and the drainage flow of the drainage road screened from the competition road can be determined, a more accurate, visual and scientific drainage scheme is provided, and the drainage effect is better.
Description
Technical Field
The disclosure relates to the technical field of intelligent traffic, in particular to a highway drainage method, a drainage display method, a device, equipment and a medium.
Background
In recent years, along with the rapid development of traffic, the development of the incremental construction of a target expressway is changed into a fine operation efficiency improvement stage, the drainage and income increase of the target expressway become the difficult problems of all expressways, the traditional drainage scheme mainly relies on traffic flow data collected by a detection device on the target expressway to analyze, judges whether to need drainage and formulate the drainage scheme, only depends on traffic data on the target expressway, but does not solve the operation condition of peripheral traffic of the expressway, and the drainage scheme is difficult to formulate scientifically.
Disclosure of Invention
In order to solve the problems in the related art, embodiments of the present disclosure provide a highway drainage method, a drainage display method, a device, equipment, and a medium.
In a first aspect, embodiments of the present disclosure provide a highway drainage method.
Specifically, the highway drainage method comprises the following steps:
acquiring a target expressway to be drained;
identifying a competing road of the target expressway according to road network information, wherein the competing road is a road capable of replacing the target expressway;
screening a drainage road which needs to be drained to the target expressway from the competition roads according to the user track data in the historical time period;
And determining the drainage period and the drainage flow of the target expressway from the drainage road according to the pre-calculated traffic capacity of the target expressway and the historical traffic information of the target expressway and the drainage road.
In a second aspect, embodiments of the present disclosure provide a highway drainage device, including:
the acquisition module is configured to acquire a target expressway to be drained;
an identification module configured to identify a competing road of the target expressway, which is a road that can replace the target expressway, according to road network information;
the screening module is configured to screen a drainage road which needs to be drained to the target expressway from the competition roads according to the user track data in the historical time period;
and the drainage determining module is configured to determine a drainage period and a drainage flow of the target expressway drained from the drainage road according to the pre-calculated traffic capacity of the target expressway and historical traffic information of the target expressway and the drainage road.
In a third aspect, an embodiment of the present disclosure provides a drainage display method for an expressway, where the drainage display method includes:
A drainage request is sent to a server, wherein the drainage request carries information of a target expressway;
acquiring drainage information issued by the server, wherein the drainage information is a drainage period and drainage flow which are acquired by the method according to any one of the first aspect and are drained from the drainage road to the target expressway;
and displaying the drainage information.
In a fourth aspect, an embodiment of the present disclosure provides an electronic device, including a memory and a processor, wherein the memory is configured to store one or more computer instructions, wherein the one or more computer instructions are executed by the processor to implement the method of any one of the first aspect or the third aspect.
In a fifth aspect, embodiments of the present disclosure provide a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, implement a method according to any one of the first or third aspects.
In a sixth aspect, embodiments of the present disclosure provide a computer program product comprising computer instructions which, when executed by a processor, implement the method steps as claimed in any one of the first or third aspects.
According to the technical scheme provided by the embodiment of the disclosure, according to road network information, a competition road of a target expressway to be guided is identified, and then according to user track data in a historical time period, a guiding road which needs to be guided to the target expressway is screened out from the competition road; further, through the traffic capacity of the target expressway and the historical traffic volume information of the target expressway and the drainage road, the drainage time period and the drainage flow volume of the target expressway which are drained from the drainage road are determined, accurate data support is provided for high-speed drainage, the corresponding drainage flow volume is calculated in each drainage time period, peak elimination and valley filling can be achieved, traffic flow between roads in an area where the target expressway is located is balanced, traffic efficiency in the area is improved, and maximization of operation benefits under smooth traffic of the expressway is guaranteed; therefore, a more accurate, visual and scientific drainage scheme is provided for the target expressway, and the drainage effect is better.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
Other features, objects and advantages of the present disclosure will become more apparent from the following detailed description of non-limiting embodiments, taken in conjunction with the accompanying drawings. The following is a description of the drawings.
Fig. 1 shows a flow chart of a highway drainage method according to an embodiment of the present disclosure.
Fig. 2A shows a flow chart of a drainage display method of an expressway according to an embodiment of the disclosure.
Fig. 2B shows a road schematic of a target highway and its competing roads according to an embodiment of the present disclosure.
Fig. 3A shows a block diagram of a highway drainage device according to an embodiment of the present disclosure.
Fig. 3B shows a block diagram of a drainage display of a highway according to an embodiment of the present disclosure.
Fig. 4 shows a block diagram of an electronic device according to an embodiment of the disclosure.
Fig. 5 shows a schematic diagram of a computer system suitable for use in implementing methods according to embodiments of the present disclosure.
Detailed Description
Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement them. In addition, for the sake of clarity, portions irrelevant to description of the exemplary embodiments are omitted in the drawings.
In this disclosure, it should be understood that terms such as "comprises" or "comprising," etc., are intended to indicate the presence of features, numbers, steps, acts, components, portions, or combinations thereof disclosed in this specification, and are not intended to exclude the possibility that one or more other features, numbers, steps, acts, components, portions, or combinations thereof are present or added.
In addition, it should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that, the user information (including but not limited to user equipment information, user personal information, etc.) and the data (including but not limited to data for analysis, stored data, presented data, etc.) related to the present application are information and data authorized by the user or fully authorized by each party, and the collection, use and processing of the related data need to comply with the related laws and regulations and standards of the related country and region, and provide corresponding operation entries for the user to select authorization or rejection.
As described above, in recent years, along with the rapid development of traffic, the development of the incremental construction of the target expressway has been changed into the intelligent operation efficiency stage, and the drainage and income increase of the target expressway has become the difficult problem of each expressway owner, and the traditional drainage scheme mainly relies on the traffic flow data collected by the detection device on the target expressway to analyze, determine whether to need drainage and formulate the drainage scheme, but only depends on the traffic data on the target expressway, so that the drainage scheme cannot be scientifically formulated, and the drainage effect is poor.
The method can be used for analyzing the target expressway to be drained and the competition road thereof, screening the drainage road which needs to be drained to the target expressway from the competition road, further analyzing the respective traffic volumes to determine the drainage period and the drainage flow which are drained from the drainage road, and providing a more accurate, visual and scientific drainage scheme for the target expressway, and the drainage effect is better.
Fig. 1 shows a flow chart of a highway drainage method according to an embodiment of the present disclosure. As shown in fig. 1, the highway drainage method includes the following steps S101 to S104:
in step S101, a target expressway to be drained is obtained;
in step S102, according to the road network information, determining a competing road of the target expressway, the competing road being a road that can replace the target expressway;
in step S103, according to the user track data in the historical time period, a drainage road that needs to be drained to the target expressway is screened out from the competing roads;
in step S104, a drainage period and a drainage flow rate from the drainage road to the target expressway are determined according to the traffic capacity of the target expressway and the historical traffic information of the target expressway and the drainage road, which are acquired in advance.
In one possible implementation, the highway drainage method is applicable to a computer, a computing device, a server cluster, and the like capable of performing highway drainage.
In one possible implementation manner, the target expressway to be drained refers to a target expressway needing to be operated and effective, the target expressway to be drained can be submitted by an expressway owner according to requirements, the target expressway can be a section of an expressway or an entire expressway, for example, if the traffic of a section of the target expressway under the name of the expressway owner is less, the section of the target expressway can be submitted to a server, and the drainage is performed on the target expressway.
In one possible embodiment, road network information around the target expressway may be obtained from the road network information, and a competition road capable of replacing the target expressway may be identified from the road network information, that is, the user may travel to the destination through the target expressway or may travel to the destination through the competition road during the traveling. The competing roads of the target expressway may be other expressways or common roads such as national/provincial roads.
In one possible implementation, user trajectory data in a historical period of time, such as three months or half a year before the current time, may be acquired, and may be analyzed, where if the analysis results in that a large number of users on a certain competitive road may actually reach the destination through the target expressway without passing through the competitive road, the traffic on the competitive road needs to be diverted to the target expressway, and the competitive roads that need to be diverted to the target expressway may be referred to as diversion roads.
In one possible embodiment, when the traffic of the target expressway is conducted from the traffic guiding road to the target expressway, the traffic of the target expressway needs to be acquired in advance, the traffic of the target expressway can be the maximum traffic which the target expressway can carry, the traffic of the target expressway can be acquired in advance when the target expressway is designed, then analysis is conducted according to the historical traffic information of the target expressway, if the traffic of the target expressway can reach the traffic of the target expressway in a certain period such as a peak of holidays, the target expressway is considered to be not required to be guided in the period, if the traffic of the target expressway in a certain period does not reach the traffic of the target expressway in the certain period, the target expressway can be considered to be guided in the period, at this time, the traffic of the target expressway in the certain period can be determined according to the difference between the traffic of the target expressway in the period and the traffic of the target expressway, and the traffic of the target expressway can be guided from the traffic of the target expressway in the certain period according to the difference.
According to the method, the competing roads of the target expressway to be guided can be identified according to road network information, and then the guiding roads which need to be guided to the target expressway are screened out from the competing roads according to user track data in a historical time period; further, through the pre-calculated traffic capacity of the target expressway and the historical traffic information of the target expressway and the drainage road, the drainage time period and the drainage flow of the target expressway from the drainage road are determined, accurate data support is provided for high-speed drainage, the corresponding drainage flow is calculated in each drainage time period, peak elimination and valley filling can be achieved, traffic flow between roads in an area where the target expressway is located is balanced, traffic passing efficiency of the area is improved, and maximization of operation benefits under smooth traffic of the expressway is guaranteed; therefore, a more accurate, visual and scientific drainage scheme is provided for the target expressway from the traffic supply and demand level, and the drainage effect is better.
In one possible implementation manner, the identifying, according to road network information, a competing road of the target expressway, where the competing road is a road that can replace the target expressway, includes:
Acquiring a starting point and a finishing point corresponding to two ends of the target expressway;
according to road network information, path planning is carried out based on the starting point and the ending point, and candidate competition roads of the target expressway are identified;
and screening the competition roads of the target expressway from the candidate competition roads.
In this embodiment, the start point and the end point corresponding to the two ends of the target expressway refer to the position points on the two ends of the target expressway and the outside extension route of the two ends, where the outside extension route refers to the route extending along the outside of the target expressway according to the road network information, and the position points capable of entering and exiting the target expressway may be expressway entrances, expressway toll station exits, or other position points capable of entering and exiting the target expressway.
In this embodiment, the start point and the end point corresponding to the two ends of the target expressway may be obtained according to the information of the target expressway submitted by the owner, and the position point capable of entering and exiting the target expressway may be an expressway entrance or exit, which is described below, in which case, the two ends of the target expressway are expressway entrances or exits, at this time, the start point and the end point corresponding to the two ends of the target expressway are expressway entrances or exits where the two ends of the target expressway are located, for example, the target expressway is an entire expressway, and the owner may submit the name of the target expressway, for example, a mikanha expressway, at this time, the start point and the end point corresponding to the two ends of the target expressway are expressway entrances or exits where the two ends of mikanha are located; or the target expressway is a section of expressway in a certain expressway, the information of the target expressway submitted by the owner can be names of two expressway entrances and exits, and at the moment, the position points of the two expressway entrances and exits can be directly used as the starting point and the ending point corresponding to the target expressway. In another case, the two ends of the target expressway are not expressway entrances and exits, at this time, the starting point and the end point corresponding to the two ends of the target expressway are expressway entrances and exits closest to the driving distance of the two ends of the target expressway respectively, for example, the information of the target expressway which can be submitted by the owner can be two expressway stake marks, at this time, the position coordinates of the two expressway stake marks can be positioned through a map to serve as the two end position points of the target expressway, at this time, two expressway entrances and exits closest to the driving distance of the two end position points can be acquired respectively, the driving distance refers to the distance to the end point, and each end point corresponds to one expressway entrance respectively. For example, the expressway entrance may be obtained by generating a buffer area range of the target expressway with two endpoints of the expressway as circle centers and a predetermined distance as a radius, where the buffer area range includes two circular areas located at two ends of the target expressway; for one end point, the entrance and exit of the expressway which can be driven to the end point in the buffer area range of the end point can be obtained, and the expressway entrance and exit closest to the end point can be found. Or the information of the target expressway submitted by the owner can be directly indicated as one section of an expressway, such as a Beijing section of the Beijing Haw, at this time, one end of the Beijing Haw on the Beijing side and an intersection point of the Beijing Haw and the Beijing area can be used as two end position points of the target expressway, and an expressway entrance where one end of the Beijing Haw on the Beijing side is located and an expressway entrance which are closest to the intersection point and are in a running distance corresponding to two ends of the target expressway can be used as starting points and end points. It will be appreciated that, in addition to the high-speed doorway being the start point and the end point, the start point and the end point may be obtained by extending the doorway outwardly a predetermined distance.
In this embodiment, a navigation route planning technique may be combined, and route planning may be performed based on the road network information by using the obtained start point and end point as the start point and the destination point, and the planned route may be a candidate competing road for the target expressway, except for the route including the target expressway.
In this embodiment, there may be competing roads in the candidate competing road that need to travel around a curve to replace the target expressway, and the road length of these candidate competing roads may be long, and typically the user will select the target expressway without selecting these roads, without being competitive, and without needing to divert from these candidate competing roads, these candidate competing roads may be screened out, and the remaining candidate competing roads are competing roads of the expressway.
In one possible implementation manner, the screening the candidate competition roads from the target expressway comprises:
calculating the parallelism between the candidate competition road and the target expressway;
obtaining the maximum value of the shortest distance from each sampling point on the target expressway to the candidate competition road;
And determining the candidate competition road with the parallelism reaching a preset parallelism condition and the maximum value smaller than a preset threshold value as the competition road of the target expressway.
In this embodiment, candidate competing roads sufficiently parallel to the target expressway and close to the target expressway may be screened as competing roads. The parallelism calculation process may be as follows: equidistant sampling is carried out on road line elements corresponding to the target expressway, and a sampling point sequence is obtained
Wherein n is the number of sampling points obtained after equidistant sampling; sequentially calculating the shortest distance between each sampling point and the candidate competition road i, wherein the shortest distance is sequentially +.>
The +.>
As the parallelism between the candidate competing road i and the target expressway; of course, the point sequence of the sampling point sequence P and the corresponding sampling point sequence P on the candidate competition road i can also be calculated>
The position covariance between the candidate competition road i and the target expressway is used as the parallelism between the candidate competition road i and the target expressway, and of course, other parameters capable of reflecting the parallelism between the candidate competition road i and the target expressway can be calculated to be used as the parallelism between the candidate competition road i and the target expressway, and the method is not limited.
In this embodiment, the shortest distance from each sampling point on the target highway to the candidate competing road can be obtained
If the candidate competition road is sufficiently parallel to the target expressway, the parallelism reaches the preset parallelism condition, such as +.>
The variance of (c) is smaller than a preset parallelism threshold, and the maximum value is smaller than the preset threshold, the candidate competing roads are roads which are basically parallel to the expressway and are close enough to the expressway, and the candidate competing roads can be used as competing roads of the target expressway.
In one possible implementation manner, according to user track data in a historical time period, a diversion road which needs to be diverted to the target expressway is screened from the competing roads, and the method comprises the following steps:
carrying out path matching on the user track data, and acquiring OD points of the user track data of the competition road as an OD point set corresponding to the competition road;
clustering the OD point sets corresponding to the competing roads according to geographic positions to obtain at least one OD point pair corresponding to the competing roads, wherein the OD point pair comprises an aggregation starting point aggregated by one end point of a plurality of OD points in the OD point sets and an aggregation end point aggregated by the other end point of the plurality of OD points;
For each OD point pair, carrying out path planning by taking an aggregation starting point and an aggregation end point in the OD point pair as a starting point and a destination point, and determining whether the OD point pair is a target OD point pair or not, wherein the planned path corresponding to the target OD point pair is routed to the target expressway;
calculating the duty ratio of the number of target OD point pairs in at least one OD point pair corresponding to the competition road;
and determining the competing road with the duty ratio larger than the preset proportion threshold as the drainage road of the target expressway.
In this embodiment, for each competing road, path matching may be performed on the user trajectory data in the historical period to obtain all the user trajectory data of the running trajectory passing through the competing road, the trajectory start point and the trajectory end point of the user trajectory data are used as the OD (Origin Destination, starting point) points corresponding to the competing road, each competing road corresponds to a plurality of OD points, and the set formed by each competing road corresponds to a plurality of OD points may be referred to as the OD point set corresponding to the competing road. For example, for the competitive road a, after the path matching is performed on the user trajectory data in the history period, the user trajectory data of the competitive road a is determined, and the trajectory route corresponding to the user trajectory data includes the competitive road a and other roads, for example, the user trajectory data of the competitive road a may be the trajectory data from the beijing sun location a to the tangshan south area location b, the trajectory data from the beijing sun location c to the tangshan south area location d, the trajectory data from the beijing sun location e to the tangshan south area location f, the trajectory data from the beijing sun location g to the tangshan south area location h, the trajectory data from the beijing sun location i to the tangshan south area location j, the trajectory data from the beijing sun location m to the tangshan south area location n, and so on, where the corresponding pairs of OD points may be obtained as follows: { Beijing solar region location a-Tang mountain south region location b, beijing solar region location c-Tang mountain south region location d, beijing solar region location e-Tang mountain south region location f, beijing sea lake region location g-Tang mountain south region location h, beijing sea lake region location i-Tang mountain south region location j, beijing sea lake region location m-Tang mountain south region location n }.
In this embodiment, since the OD points corresponding to each competing road are massive, the OD points may be clustered according to geographical locations, for example, the OD points may be clustered according to a distance between the geographical locations of the OD points, each OD point includes two end points, if the distance between the geographical locations of one end point of the plurality of OD points is closer, the OD points may be clustered, one end point of the plurality of OD points is aggregated as an aggregation start point, the other end point of the plurality of OD points is aggregated as an aggregation end point, and the aggregation end point and the aggregation start point may be a clustering center point; or, for example, clustering may be performed according to a location area where the geographic location of each OD point is located, where the location area may be a divided urban area, the OD points in the OD point set may be clustered according to the divided urban area, so that an OD point pair corresponding to the competing road may be obtained, and still the OD point set corresponding to the competing road a is illustrated, where two end points in the OD point set are respectively located in a beijing yang area and a tangshen area and are classified as one type, and two end points in the OD point set are respectively located in a beijing lake area and a tangshen area and are classified as one type, so that two OD point pairs of the competing road a may be obtained: { Beijing towards the sun area-Tangshan Lunan area, beijing sea lake area-Tangshan Lunan area }; wherein, the polymerization starting point of the OD point to the Beijing Korea-Tangshan Lunan area can be the central point of the Beijing Korea, and the polymerization end point can be the central point of the Tangshan Lunan area; the polymerization starting point of the OD point to the beijing lake area-the tangshan road south area may be the center point of the beijing lake area, and the polymerization ending point may be the center point of the tangshan road south area.
In this embodiment, for each OD point, a path is planned by taking an aggregation start point and an aggregation end point of the OD point pair as a start point and a destination point, so as to obtain a planned path, if the planned path approaches the target expressway, the OD point pair is marked as a target OD point pair, otherwise, the OD point pair is not a target OD point pair, where the path means that the planned path includes the target expressway, and of course, the planned path may include other roads in addition to the target expressway.
In this embodiment, when the aggregation start point and the aggregation end point of the OD point pair are used as the start point and the destination point to perform path planning, a plurality of planned paths may be planned, where the plurality of planned paths may be ordered according to a predetermined path ordering rule, so as to obtain a planned path with a first order, and if the planned path with the first order includes the target expressway, it is indicated that the possibility of guiding the user corresponding to the OD point pair to the target expressway is the greatest, where the OD point pair may be marked as a target OD point pair, otherwise the OD point pair is not the target OD point pair. Here, the predetermined path sorting rule may be sorting according to the travel time, sorting according to the travel distance, or sorting according to the travel time, the travel distance, and the road type, which are taken into consideration, but not limited thereto.
In this embodiment, for each competing road, the ratio of the total amount of the target OD point pairs in the competing road to the total amount of the OD point pairs in the competing road may be calculated, and if the ratio is greater than the preset ratio threshold, it is indicated that a large number of users in the competing road may better reach the destination through the target expressway, and at this time, the competing road may be determined as the diversion road of the target expressway.
In one possible embodiment, the method further comprises:
and calculating the traffic capacity of the target expressway according to the historical maximum traffic volume of the target expressway and the traffic volume duty ratio of each vehicle type in the historical total traffic volume.
In this embodiment, the traffic capacity of the target expressway may be calculated according to the traffic volume ratio of each vehicle type in the historical maximum traffic volume and the historical total traffic volume of the target expressway, for example, the traffic capacity of the target expressway may be calculated according to the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
the traffic capacity of the target expressway, namely the number of vehicles which can be loaded by the target expressway in one hour, is expressed as vehicles/hour; / >
For the maximum historical traffic volume, i.e. the maximum value of the number of vehicles passing the target highway in one hour during the historical period, in vehicles/hour, the +.>
Can be obtained from historical traffic data; />
For the road side interference coefficient, the target highway takes a value of 1, < >>
Correcting the coefficient for the overall characteristics of the driver to be a constant value;
，/>
for the traffic correction factor, +.>
For the ratio of the traffic volume of the vehicle type I to the historical total traffic volume, +.>
And (5) the vehicle conversion coefficient of the vehicle type I.
In one possible implementation manner, the determining the diversion period and the diversion flow from the diversion road to the target expressway according to the pre-acquired traffic capacity of the target expressway and the historical traffic information of the target expressway and the diversion road includes:
calculating the ratio of the daily average hour traffic volume to the traffic capacity of the target expressway as the daily average hour saturation of the target expressway;
determining an hour period with the daily average hour saturation less than 1 as a drainage period of the target expressway;
calculating the traffic capacity of the target expressway and the flow difference between the daily average hour traffic volume of the drainage period;
And determining the minimum value of the flow difference and the daily average hour traffic volume of the diversion road in the diversion period as the diversion flow of the target expressway in the diversion period.
In this embodiment, the historical traffic information of the target expressway and the drainage road may be counted in advance, and the daily average hour traffic is calculated, where the daily average hour traffic refers to an average value of the number of vehicles passing through the corresponding road in the same hour in a plurality of days, and the unit is, for example, the vehicle/hour, and may be calculated according to the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for the target expressway->
Daily hourly traffic for each hour, < >>
，
First, for all diversion roads of the target expressway>
Daily hourly traffic for each hour, < >>
For the target expressway +.>
Day->
The number of vehicles passing through the highway in hours, in vehicles/hour;
the +.>
Day->
The number of vehicles passing through the competing road in units of vehicles/hour for each hour.
In this embodiment, the day-to-hour saturation of the target highway can be calculated according to the following formula
：
In this embodiment, if the time is 24 hours 
Day of hours equal hour saturation +.>
Less than 1, the +.>
The target highway is unsaturated within an hour, and has a drainage space, day +.>
The hour is the drainage period, and at the moment, the traffic volume which can be drained by the target expressway is the traffic capacity of the target expressway and is in the +.>
The difference in traffic volume between the daily hour traffic volume of hour if the diversion road is at +.>
The traffic volume of the day-average hour of the hour is larger than or equal to the flow difference value, the diversion flow of the expressway is the flow difference value, if the diversion road is at the +.>
The average daily traffic volume of the hour is smaller than the traffic volume difference, the diversion traffic volume of the expressway is that the diversion road is at the +.>
Daily hourly traffic volume.
In this embodiment, if the time is 24 hours
Day of hours equal hour saturation +.>
1 or more, the +.>
Within hours the target highway is saturated, without drainage space, daily +.>
Drainage was not recommended for the hours, which was the non-drainage period.
In one possible embodiment, the method may further comprise:
and if the total time length of the drainage time periods is greater than 1 hour, determining the maximum value of the drainage flow in each drainage time period as the maximum drainage flow, and determining the drainage time period where the maximum drainage flow is located as the target drainage time period.
In this embodiment, if the drainage period is greater than 1 hour, that is, the drainage period has 2 hours, 3 hours, or even all the day, the drainage flow rate corresponding to each drainage period may be different at this time, the maximum value of the drainage flow rates corresponding to the drainage periods may be determined as the maximum drainage flow rate, and the drainage period where the maximum drainage flow rate is located may be determined as the target drainage period, so that the target drainage period and the maximum drainage flow rate are provided, so that a large amount of drainage is conveniently performed in the target drainage period.
In one possible embodiment, the method may further comprise the steps of:
and comprehensively evaluating the effect indexes of the target expressway and the competitive road before and after drainage to obtain an evaluation result.
In this embodiment, after the target expressway is drained according to the corresponding drainage flow, a multidimensional evaluation index system of efficiency, green, safety, economy and the like can be constructed, the flow indexes of the target expressway and the competitive road are subjected to comparative analysis before and after drainage, the congestion indexes of the target expressway and the competitive road are subjected to comparative analysis before and after drainage, the economic indexes of the target expressway and the competitive road are subjected to comparative analysis before and after drainage, the safety indexes of the target expressway and the competitive road are subjected to comparative analysis before and after drainage, the blocking indexes of the target expressway and the competitive road are subjected to comparative analysis before and after drainage, and the green indexes of the target expressway and the competitive road are subjected to comparative analysis before and after drainage, so that an evaluation result is obtained.
According to the method, the system and the device, multidimensional traffic indexes can be integrated, the effect after high-speed drainage is systematically analyzed, besides the target expressway toll evaluation, multidimensional analysis indexes such as efficiency, safety and green are further increased, and meanwhile effect analysis before and after the drainage is performed on competing roads, so that the drainage effect is more systematic and scientific.
Fig. 2A shows a flow chart of a drainage display method of an expressway according to an embodiment of the disclosure. As shown in fig. 2A, the drainage display method of the expressway includes the following steps S201 to S203:
in step S201, a drainage request is sent to a server, where the drainage request carries information of a target expressway;
in step S202, acquiring drainage information issued by the server, where the drainage information is a drainage period and a drainage flow, which are acquired according to the highway drainage method and are drained from the drainage road to the target highway;
in step S203, the drainage information is displayed.
In one possible implementation manner, the method for displaying the expressway drainage results is suitable for a client capable of displaying the expressway drainage results, and the client can be a client installed in a mobile phone, an iPad, a computer, a large screen terminal and the like.
In one possible implementation manner, the client may send a diversion request carrying information of the target expressway to the server, where the request server returns diversion information of the target expressway, and the server may determine a diversion period and a diversion flow from the diversion road to the target expressway according to the above-mentioned expressway diversion method, and send the diversion period and the diversion flow as diversion information to the client, where the client may display the diversion information on a user interface of the client. The display form can be in a graphic form, such as a map picture form for displaying the drainage road and the target expressway, so that the reasonability of the drainage road to the target expressway is displayed for a user, and the drainage period and the drainage flow can be displayed in a text form; or the drainage time period and the drainage flow which are led from the drainage road to the target expressway can be directly displayed on the map, for example, the drainage road and the target expressway are distinguished and displayed by obvious colors on the map, and the drainage time period and the drainage flow are marked by characters on the map.
In one possible implementation, the server may also issue the daily average hour saturation of the target expressway to the client, and the client may display the daily average hour saturation of the target expressway, for example, displaying the daily average hour saturation of the target expressway for 24 hours in the form of a graph.
In one possible implementation manner, the server may also calculate the daily saturation of the diversion road and send the calculated daily saturation to the client, where the client may display the daily saturation of the diversion road, for example, and the daily saturation of the target expressway is displayed in a graph, so that the necessity of diversion from the diversion road to the target expressway may be shown to the user.
In one possible implementation manner, the drainage information may further include the maximum drainage flow and the target drainage period, where the maximum drainage flow is the maximum value of the drainage flows of the drainage periods, and the target drainage period is the drainage period where the maximum drainage flow is located.
In one possible implementation manner, after the target expressway is drained according to the drainage information, the server side can comprehensively evaluate the effect indexes of the target expressway and the competition road before and after the drainage to obtain an evaluation result, and send the evaluation result to the client side, and the client side can display the evaluation result.
Fig. 2B shows a road schematic of a target highway and its competing roads according to an embodiment of the present disclosure. A user can submit information of a target expressway through a client, a server acquires the target expressway A to be drained submitted by the client, identifies candidate competition roads B, C (not shown in the figure) of the target expressway A through basic road network data and a navigation planning technology, measures and calculates that the parallelism of the candidate competition roads B, C meets the parallelism condition and is close to the target expressway A, and determines that the candidate competition roads B, C are competition roads of the target expressway A; respectively analyzing the OD point sets corresponding to the competing roads B, C, wherein the ratio of the number of the target OD point pairs of the target expressway in the first path route among the OD point pairs corresponding to the B meets the drainage requirement, so that the competing road B is determined to be a drainage road, and the subsequent analysis is performed; construction of a calculation model for the traffic capacity of a target highway 
The method comprises the steps of carrying out a first treatment on the surface of the Generating daily hour traffic of the target expressway A and the drainage road B based on data generated by navigation software; and further calculating the drainage flow of the target expressway in different drainage periods: (0:00-1:00, 385), (1:00-2:00, 278) … …, and the like, and based on the analysis result, the daily hour saturation of the target expressway A is lower than 1 throughout the day, and drainage can be performed, wherein the flow difference between the target expressway A and the drainage road B in the drainage period 0:00-1:00 is the largest, and the drainage flow which can be drained from the drainage road B is the largest, and is the target drainage period. The server can issue the drainage period and the drainage flow to the client, and the client displays the drainage period and the drainage flow. Finally, after the diversion road B is diverted to the target expressway according to the diversion period and the diversion flow, the service end canThe drainage effect is scientifically evaluated by comparing the time periods before and after drainage, the flow index, the congestion index, the economic index, the blocking index, the safety index and the green index, and the evaluation result is issued to the client and displayed by the client.
The effect obtained by the expressway drainage method after the actual application of the target expressway operation management department is as follows:
The method solves the problem that the traditional highway owners do not have full road network data supporting pain points, accurately identifies competing roads of target highways based on internet traffic big data, and excavates potential competing objects; based on the dynamic and static traffic data of the Internet, traffic operation indexes of the target expressway and the competing roads are scientifically analyzed and compared, the difference is analyzed, multisource data such as flow, road conditions, indexes, saturation and the like are fused, a drainage period is mined, and accurate data support is provided for high-speed operation; based on saturation dynamic measurement and calculation, scientific drainage space and drainage quantity are provided, peak and valley filling is eliminated, and the maximization of operation benefits under high-speed smooth traffic is ensured; and a scientific effect evaluation system is constructed, the implementation process and the effect are continuously monitored, the comprehensive evaluation of the drainage fruits is realized, the power-assisted highway owners continuously improve the traffic efficiency of the target highway network, and the service level of the target highway is improved.
Fig. 3A shows a block diagram of a highway drainage device according to an embodiment of the present disclosure. The apparatus may be implemented as part or all of an electronic device by software, hardware, or a combination of both. As shown in fig. 3A, the highway drainage device includes:
An acquisition module 301 configured to acquire a target highway to be drained;
an identification module 302 configured to identify a competing road of the target expressway, which is a road that can replace the target expressway, according to road network information;
a screening module 303, configured to screen a diversion road that needs to be diverted to the target expressway from the competing roads according to the user trajectory data in the historical period;
a diversion determination module 304 configured to determine a diversion period and a diversion flow of the target expressway diverted from the diversion road based on the pre-calculated traffic capacity of the target expressway and historical traffic volume information of the target expressway and the diversion road.
In one possible implementation, the identification module is configured to:
acquiring two endpoints of the target expressway;
acquiring two expressway entrances and exits with the closest driving distances to the two endpoints respectively;
carrying out path planning based on the two expressway entrances and exits, and identifying candidate competition roads of the target expressway;
and screening the competition roads of the target expressway from the candidate competition roads.
In a possible implementation manner, the part of the identifying module that screens the competition road of the target expressway from the candidate competition roads is configured to:
calculating the parallelism between the candidate competition road and the target expressway;
obtaining the maximum value of the shortest distance from each sampling point on the target expressway to the candidate competition road;
and determining the candidate competition road with the parallelism reaching a preset parallelism condition and the maximum value smaller than a preset threshold value as the competition road of the target expressway.
In one possible implementation, the screening module is configured to:
carrying out path matching on the user track data, and acquiring OD points of the user track data of the competition road as an OD point set corresponding to the competition road;
clustering the OD point sets corresponding to the competing roads according to geographic positions to obtain at least one OD point pair corresponding to the competing roads, wherein the OD point pair comprises an aggregation starting point aggregated by one end point of a plurality of OD points in the OD point sets and an aggregation end point aggregated by the other end point of the plurality of OD points;
for each OD point pair, carrying out path planning by taking an aggregation starting point and an aggregation end point in the OD point pair as a starting point and a destination point, and determining whether the OD point pair is a target OD point pair or not, wherein the target OD point pair corresponds to a first planned path route of the target expressway;
Calculating the duty ratio of the number of target OD point pairs in at least one OD point pair corresponding to the competition road;
and determining the competing road with the duty ratio larger than the preset proportion threshold as the drainage road of the target expressway.
In one possible embodiment, the apparatus further comprises:
the traffic capacity calculation module is configured to calculate the traffic capacity of the target expressway according to the historical maximum traffic volume of the target expressway and the traffic volume duty ratio of each vehicle type in the historical total traffic volume.
In one possible implementation, the drainage determination module is configured to:
calculating the daily average hour traffic volume of the target expressway and the drainage road according to the historical traffic volume information of the target expressway and the drainage road;
calculating the ratio of the daily average hour traffic volume to the traffic capacity of the target expressway to obtain the daily average hour saturation of the target expressway;
determining an hour period with the daily average hour saturation less than 1 as a drainage period of the target expressway;
calculating the traffic capacity of the target expressway and the flow difference between the daily average hour traffic volume of the drainage period;
And determining the minimum value of the flow difference and the daily average hour traffic volume of the diversion road in the diversion period as the diversion flow of the target expressway in the diversion period.
In one possible embodiment, the apparatus further comprises:
the determining module is configured to determine the maximum value of the drainage flow rates of the drainage periods as the maximum drainage flow rate when the total time length of the drainage periods is greater than 1 hour, and determine the drainage period where the maximum drainage flow rate is located as the target drainage period.
Fig. 3B shows a block diagram of a drainage display of a highway according to an embodiment of the present disclosure. The apparatus may be implemented as part or all of an electronic device by software, hardware, or a combination of both. As shown in fig. 3B, the drainage display device of the expressway includes:
the sending module 305 is configured to send a drainage request to the server, where the drainage request carries information of the target expressway;
the obtaining module 306 is configured to obtain drainage information sent by the server, where the drainage information is a drainage period and a drainage flow that are obtained according to the highway drainage method and are drained from the drainage road to the target highway;
A display module 307 configured to display the drainage information.
Technical terms and technical features mentioned in the embodiment of the present device are the same or similar, and explanation of technical terms and technical features referred to in the present device may refer to explanation of the above method embodiment, and are not repeated herein.
The present disclosure also discloses an electronic device, and fig. 4 shows a block diagram of the electronic device according to an embodiment of the present disclosure.
As shown in fig. 4, the electronic device 400 comprises a memory 401 and a processor 402, wherein the memory 401 is configured to store one or more computer instructions, wherein the one or more computer instructions are executed by the processor 402 to implement a method according to an embodiment of the disclosure.
Fig. 5 shows a schematic diagram of a computer system suitable for use in implementing methods according to embodiments of the present disclosure.
As shown in fig. 5, the computer system 500 includes a processing unit 501, which can execute various processes in the above-described embodiments in accordance with a program stored in a Read Only Memory (ROM) 502 or a program loaded from a storage section 508 into a Random Access Memory (RAM) 503. In the RAM 503, various programs and data required for the operation of the computer system 500 are also stored. The processing unit 501, the ROM 502, and the RAM 503 are connected to each other via a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input section 506 including a keyboard, a mouse, and the like; an output portion 507 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker, and the like; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication processing via a network such as the internet. The drive 510 is also connected to the I/O interface 505 as needed. A removable medium 511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 510 as needed so that a computer program read therefrom is mounted into the storage section 508 as needed. The processing unit 501 may be implemented as a processing unit such as CPU, GPU, TPU, FPGA, NPU.
In particular, according to embodiments of the present disclosure, the methods described above may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising computer instructions which, when executed by a processor, implement the method steps described above. In such embodiments, the computer program product may be downloaded and installed from a network via the communications portion 509, and/or installed from the removable media 511.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units or modules referred to in the embodiments of the present disclosure may be implemented in software or in programmable hardware. The units or modules described may also be provided in a processor, the names of which in some cases do not constitute a limitation of the unit or module itself.
As another aspect, the present disclosure also provides a computer-readable storage medium, which may be a computer-readable storage medium included in the electronic device or the computer system in the above-described embodiments; or may be a computer-readable storage medium, alone, that is not assembled into a device. The computer-readable storage medium stores one or more programs for use by one or more processors in performing the methods described in the present disclosure.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention referred to in this disclosure is not limited to the specific combination of features described above, but encompasses other embodiments in which any combination of features described above or their equivalents is contemplated without departing from the inventive concepts described. Such as those described above, are mutually substituted with the technical features having similar functions disclosed in the present disclosure (but not limited thereto).
Claims (11)
1. A highway drainage method comprising:
acquiring a target expressway to be drained;
Identifying a competing road of the target expressway according to road network information, wherein the competing road is a road capable of replacing the target expressway;
screening a drainage road which needs to be drained to the target expressway from the competition roads according to the user track data in the historical time period;
and determining a drainage period and drainage flow from the drainage road to the target expressway according to the traffic capacity of the target expressway and the historical traffic information of the target expressway and the drainage road, which are acquired in advance.
2. The method of claim 1, wherein the identifying the competing roads of the target expressway from the road network information comprises:
acquiring a starting point and a finishing point corresponding to two ends of the target expressway;
according to road network information, path planning is carried out based on the starting point and the ending point, and candidate competition roads of the target expressway are identified;
and screening the competition roads of the target expressway from the candidate competition roads.
3. The method of claim 2, wherein the screening the candidate competitive roads for the target highway from the candidate competitive roads comprises:
Calculating the parallelism between the candidate competition road and the target expressway;
obtaining the maximum value of the shortest distance from each sampling point on the target expressway to the candidate competition road;
and determining the candidate competition road with the parallelism reaching a preset parallelism condition and the maximum value smaller than a preset threshold value as the competition road of the target expressway.
4. The method of claim 1, wherein the screening the diversion road from the competing roads for diversion to the target expressway according to the user trajectory data over the historical period of time comprises:
carrying out path matching on the user track data, and acquiring OD points of the user track data of the competition road as an OD point set corresponding to the competition road;
clustering the OD point sets corresponding to the competing roads according to geographic positions to obtain at least one OD point pair corresponding to the competing roads, wherein the OD point pair comprises an aggregation starting point aggregated by one end point of a plurality of OD points in the OD point sets and an aggregation end point aggregated by the other end point of the plurality of OD points;
for each OD point pair, carrying out path planning by taking an aggregation starting point and an aggregation end point in the OD point pair as a starting point and a destination point, and determining whether the OD point pair is a target OD point pair or not, wherein the planned path corresponding to the target OD point pair is routed to the target expressway;
Calculating the duty ratio of the number of target OD point pairs in at least one OD point pair corresponding to the competition road;
and determining the competing road with the duty ratio larger than the preset proportion threshold as the drainage road of the target expressway.
5. The method of claim 1, wherein the method further comprises:
and calculating the traffic capacity of the target expressway according to the historical maximum traffic volume of the target expressway and the traffic volume duty ratio of each vehicle type in the historical total traffic volume.
6. The method of claim 1, wherein the determining a diversion period and a diversion flow from the diversion road to the target expressway based on the pre-acquired traffic capacity of the target expressway and the historical traffic information of the target expressway and the diversion road comprises:
calculating the daily average hour traffic volume of the target expressway and the drainage road according to the historical traffic volume information of the target expressway and the drainage road;
calculating the ratio of the daily average hour traffic volume to the traffic capacity of the target expressway as the daily average hour saturation of the target expressway;
determining an hour period with the daily average hour saturation less than 1 as a drainage period of the target expressway;
Calculating the traffic capacity of the target expressway and the flow difference between the daily average hour traffic volume of the drainage period;
and determining the minimum value of the flow difference and the daily average hour traffic volume of the diversion road in the diversion period as the diversion flow of the target expressway in the diversion period.
7. The method of claim 6, wherein the method further comprises:
and if the total time length of the drainage time periods is greater than 1 hour, determining the maximum value of the drainage flow in each drainage time period as the maximum drainage flow, and determining the drainage time period where the maximum drainage flow is located as the target drainage time period.
8. A drainage display method of a highway, comprising:
a drainage request is sent to a server, wherein the drainage request carries information of a target expressway;
acquiring drainage information issued by the server, wherein the drainage information is a drainage period and drainage flow which are obtained by the method according to any one of claims 1-7 and are drained from the drainage road to the target expressway;
and displaying the drainage information.
9. A highway drainage device comprising:
the acquisition module is configured to acquire a target expressway to be drained;
An identification module configured to identify a competing road of the target expressway, which is a road that can replace the target expressway, according to road network information;
the screening module is configured to screen a drainage road which needs to be drained to the target expressway from the competition roads according to the user track data in the historical time period;
and the drainage determining module is configured to determine a drainage period and a drainage flow of the target expressway drained from the drainage road according to the pre-calculated traffic capacity of the target expressway and historical traffic information of the target expressway and the drainage road.
10. An electronic device includes a memory and a processor; wherein the memory is for storing one or more computer instructions for execution by the processor to perform the method steps of any one of claims 1 to 8.
11. A computer readable storage medium having stored thereon computer instructions, wherein the computer instructions, when executed by a processor, implement the method of any of claims 1-8.
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