CN116564080A - Bus route information acquisition and simulation modeling platform - Google Patents
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Abstract
The invention discloses a bus route information acquisition and simulation modeling platform, which comprises the following steps: an information acquisition module: the XML file is used for receiving the input city name and the line number to acquire the operation information of the target bus line; and a data extraction and classification module: the method is used for extracting the operation information of the target bus route based on the XML file; the bus track data calculation module: the method comprises the steps of obtaining bus running speed and mathematical statistics information of the bus running speed according to target bus line running information; a vehicle operation time-space visualization module: the method comprises the steps of processing according to target bus track information to obtain a bus running time space diagram; vehicle trajectory plane visualization module: the method comprises the steps of obtaining a bus plane track diagram according to target bus line operation information; bus line simulation modeling module: and the bus simulation module is used for establishing a bus simulation model according to bus line operation information and outputting a simulation configuration file. The bus information can be searched in one station and data analysis and simulation visualization can be performed.
Description
Technical Field
The invention relates to the technical field of traffic, in particular to a bus route information acquisition and simulation modeling platform.
Background
The public transportation system is one of main components of urban public transportation, and very depends on software such as a hundred-degree map, a high-altitude map and the like or search engines such as hundred-degree map and the like in the aspect of acquiring public transportation operation data. And the efficiency of gathering data is very low, usually needs manual search, takes time and is arranged one by one, and light is all stations on a bus, and the time for gathering and arranging the data into a table in a working way is tens of minutes. In addition, the data such as bus track data required by the bus simulation research cannot be directly obtained from commercial software, the establishment of the bus simulation model is very complex, and if the bus operation data can be acquired, the data processing and the simulation model establishment can be automatically carried out, so that the bus simulation research can be very beneficial to the rapid implementation of the bus simulation research.
Therefore, how to provide a bus route information acquisition and simulation modeling platform is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a bus route information acquisition and simulation modeling platform which can search bus information in one stop, perform data analysis and visualization, establish a simulation model and run simulation.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the bus route information acquisition and simulation modeling platform is characterized by comprising the following components:
an information acquisition module: the XML file is used for acquiring the city name and the line number input by the user and acquiring the operation information of the target bus line according to the city name and the line number;
and a data extraction and classification module: the method is used for extracting the operation information of the target bus route based on the XML file;
the bus track data calculation module: the method comprises the steps of obtaining bus running interval, bus running speed and mathematical statistics information according to target bus line operation information;
a vehicle operation time-space visualization module: the bus running time-mileage relation is calculated according to the bus running interval and the target bus line running information, and a bus running time-space diagram is obtained;
vehicle trajectory plane visualization module: the plane track diagram is used for calculating geographic position information and bus line shape information of the whole bus running process according to the target bus line operation information to obtain a geographic visual diagram;
bus line simulation modeling module: the simulation system is used for matching simulation paths and stations according to the operation information of the target bus line, calculating simulation parameters according to bus operation intervals, bus operation speeds and mathematical statistical information thereof, thereby establishing a bus simulation model and outputting XML files required by simulation; and
and (3) a simulation module: the method is used for perfecting simulation configuration according to XML files required by simulation, so that bus simulation is operated.
Preferably, the method further comprises a coordinate conversion module: the method is used for converting the longitude and latitude coordinates of the target bus route operation information from the WGS84 coordinate system to the coordinates of the UTM projection coordinate system.
Preferably, the data extraction and classification module comprises a basic information unit, a bus route information unit and a bus track data unit;
the basic information unit is used for extracting basic information of the target bus line according to the XML file;
the bus line information unit is used for extracting bus line information according to the XML file;
and the bus track data unit is used for extracting bus track data according to the XML file.
Preferably, the basic information of the target bus route includes a route name, a starting and ending point, a first bus and a last bus, a bus ID and affiliated company information of the target bus route;
the bus route information comprises bus station names and bus station longitude and latitude coordinate information of a target bus route;
the bus track data comprise longitude and latitude data of fixed time intervals in the running process of the bus.
Preferably, the coordinate conversion module comprises a bus station coordinate conversion unit and a bus track conversion unit;
the bus station coordinate conversion unit is used for converting the longitude and latitude coordinate information of the bus station from the longitude and latitude coordinates of the WGS84 coordinate system to the coordinates of the UTM projection coordinate system to obtain a bus station UTM coordinate data table of the corresponding line;
the bus track conversion unit is used for converting the bus track data from longitude and latitude coordinates of the WGS84 coordinate system to coordinates of the UTM projection coordinate system to obtain a bus track UTM coordinate data table.
Preferably, the bus track data calculation module comprises a track interval acquisition unit and a speed data and statistics unit;
the track interval acquisition unit is used for acquiring bus running intervals according to bus track data;
the speed data and statistics unit is used for obtaining bus running speed, a speed statistics table and a speed distribution histogram according to the bus track data and the bus running interval.
Preferably, the method further comprises: and the data downloading and storing module is used for: the method is used for downloading and storing bus route information, bus track data, bus running intervals, bus running speeds, bus track UTM coordinate data tables and bus station UTM coordinate data tables.
Preferably, the method further comprises: the display module is used for displaying information acquired by the information acquisition module, the data extraction and classification module, the coordinate conversion module, the bus track data calculation module, the vehicle running time-space visualization module, the vehicle track plane visualization module and the simulation module.
Preferably, the information acquisition module is further configured to determine whether the input line number is correct.
The invention has the following beneficial effects:
1. the invention solves the whole process of data acquisition, data processing, bus simulation modeling and bus simulation operation in one station.
2. The information retrieval method can obtain bus track data besides basic operation information of bus lines such as bus line starting and ending points, line IDs, station information, departure time of first and last buses and the like. The track data comprises longitude and latitude coordinates of the bus at specific time.
3. The invention is further analyzed by combining bus track data to obtain: and (3) analyzing the characteristics of the speed of the bus, and performing geographical visualization on a bus running time-space diagram and a bus line. The analysis of each angle of bus operation is beneficial to the deep understanding of users and the comprehensive grasp of the operation information of the target bus.
4. The invention provides a downloading function, and a user can select to download the data to the local after retrieving the line information, the bus track information, the track distance and the speed data of the target bus line by using the platform, so that the platform has obvious advantages compared with commercial software such as a hundred-degree map, a high-altitude map and the like.
5. The invention has the coordinate conversion function, can output the line station coordinates and the bus track coordinates in different coordinate forms, mainly has a geographic coordinate system and a projection coordinate system, basically meets various geographic analysis visualization software, and is suitable for further use and processing of data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a bus route information acquisition and simulation modeling platform.
FIG. 2 is an initialization platform interface diagram.
Fig. 3 is a platform interface diagram after inputting the city line number.
FIG. 4 is an interface diagram of a successful platform for indexing urban line data.
Fig. 5 is a basic information element operation interface diagram.
Fig. 6 is a diagram of an operational interface of a bus route information unit.
Fig. 7 is a diagram of an operation interface of a bus trace data unit.
Fig. 8 is a diagram of an operation interface of the bus station coordinate conversion unit.
Fig. 9 is a diagram of an operation interface of the bus track conversion unit.
Fig. 10 is a diagram of an operation interface of the track pitch acquisition unit.
FIG. 11 is a diagram of a speed data and statistics unit operation interface.
FIG. 12 is a diagram of a vehicle operation space-time visualization module operation interface.
FIG. 13 is a vehicle trajectory plane visualization module operational interface diagram.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a bus route information acquisition and simulation modeling platform, as shown in fig. 1, comprising the following steps:
an information acquisition module: the XML file is used for acquiring the city name and the line number input by the user and acquiring the operation information of the target bus line through the web crawler technology according to the city name and the line number;
and a data extraction and classification module: the method is used for extracting the operation information of the target bus route based on the XML file;
the bus track data calculation module: the method comprises the steps of obtaining bus running interval, bus running speed and mathematical statistics information according to target bus line operation information;
a vehicle operation time-space visualization module: the bus running time-mileage relation is calculated according to the bus running interval and the target bus line running information, and a bus running time-space diagram is obtained; and
vehicle trajectory plane visualization module: the plane track diagram is used for calculating geographic position information and bus line shape information of the whole bus running process according to the target bus line operation information to obtain a geographic visual diagram;
bus line simulation modeling module: the simulation path and the station are matched according to the operation information of the target bus line, and simulation parameters are calculated according to the bus operation interval, the bus operation speed and the mathematical statistics information of the bus operation speed, so that a bus simulation model is built and XML files required by SUMO simulation are output.
And (3) a simulation module: the method is used for perfecting simulation configuration according to XML files required by simulation, so as to run SUMO bus simulation.
Wherein the public line simulation modeling module can (SUMO simulation software is microcosmic traffic simulation software)
In this embodiment, the method further includes a coordinate conversion module: the method is used for converting the longitude and latitude coordinates of the target bus route operation information from the WGS84 coordinate system to the coordinates of the UTM projection coordinate system so as to meet the requirement of diversified coordinate data of users.
In this embodiment, the information obtaining module is further configured to determine whether the input line number is correct, report an error if the line number is incorrect, and prompt that the corresponding line information has been successfully obtained if the line number is correct.
In this embodiment, the data extraction and classification module includes a basic information unit, a bus route information unit, and a bus track data unit;
the basic information unit is used for extracting basic information of the target bus line according to the XML file;
the bus line information unit is used for extracting bus line information according to the XML file;
and the bus track data unit is used for extracting bus track data according to the XML file.
In this embodiment, the basic information of the target bus route includes a route name, a start/end point, a first bus, a last bus, a bus ID, and affiliated company information of the target bus route;
the bus route information comprises bus station names and bus station longitude and latitude coordinate information of a target bus route;
the bus track data comprise longitude and latitude data of fixed time intervals in the running process of the bus.
In this embodiment, the coordinate conversion module includes a bus station coordinate conversion unit and a bus track conversion unit;
the bus station coordinate conversion unit is used for converting the longitude and latitude coordinate information of the station from the longitude and latitude coordinates of the WGS84 coordinate system to the coordinates of the UTM projection coordinate system according to the bus station name, and obtaining a bus station UTM coordinate data table of the corresponding line;
the bus track conversion unit is used for converting the bus track data from longitude and latitude coordinates of the WGS84 coordinate system to coordinates of the UTM projection coordinate system to obtain a bus track UTM coordinate data table.
In this embodiment, the bus track data calculation module includes a track interval acquisition unit and a speed data and statistics unit;
the track interval acquisition unit is used for acquiring bus running intervals according to bus track data;
the speed data and statistics unit is used for obtaining bus running speed, a speed statistics table and a speed distribution histogram according to the bus track data and the bus running interval.
In this embodiment, further comprising: and the data downloading and storing module is used for: the method is used for downloading and storing bus route information, bus track data, bus running intervals, bus running speeds, bus track UTM coordinate data tables and bus station UTM coordinate data tables.
In this embodiment, further comprising: the display module is used for displaying information acquired by the information acquisition module, the data extraction and classification module, the coordinate conversion module, the bus track data calculation module, the vehicle running time-space visualization module, the vehicle track plane visualization module and the simulation module.
In the embodiment, the bus line simulation modeling module automatically generates an add file of the bus line, the bus station and the stop information thereof in the running process; generating a rou route file containing bus types, power parameters and running lines; and setting up a simulation environment and generating a configuration file for finally running the simulation.
The platform can run on a computer with a version of MatlabR2022a or more. The platform interface is quite simple and easy to understand, and has the characteristics of man-machine interaction, simplicity and convenience in operation and stability in operation. After the platform (software) is opened, the functions of data acquisition, information inquiry, speed statistics, track visualization, storage to an Excll form and the like can be completed only by clicking corresponding buttons as required by a user. The platform is driven based on input parameters, and the operation occupies small memory; the portability is strong based on the design of the object-oriented programming method; * The mlapp file can be directly operated and used as a source code file, and a user can change and expand functions according to own requirements.
The following specifically describes the specific operation process of the platform of the present invention:
after MATLAB software is opened and the user environment is successfully initialized and configured, a platform interface is displayed, as shown in fig. 2. The two blank input boxes above correspond to the city and line name to be input, respectively. The main interface has five tabs, respectively: "trajectory extraction", "coordinate transformation", "mathematical statistics", "vehicle run-time space", "vehicle trajectory visualization". The "acquire" button on the upper right of the interface corresponds to the "information acquisition module".
The city and line name that is desired to be queried and obtained, such as "a city", "591", is entered, at which time the "information acquisition module" starts to run. It can be seen that the "please input the line to be acquired" prompt language on the "track extraction" interface becomes "591 bus tracks in city a is selected by you", as shown in fig. 3. And clicking the 'acquire' button, still operating the 'information acquisition module', reading the information just input and judging authenticity, if the input city line is true, a popup dialog box prompts the user to acquire corresponding bus line data, and meanwhile, the module rapidly obtains a compressed package file containing all operation information of the corresponding bus line through a web crawler according to the input information, converts the compressed package file into an xml format and stores the xml format in a workstation to wait for the next operation of the user, as shown in fig. 4. If the user inputs the wrong bus route, the program is wrongly reported.
The "track extraction" tab corresponds to the "data extraction and classification module" function, clicking the "display" button in the "basic information" secondary tab of the interface, and the basic information unit analyzes the data of the xml file stored in the workstation to obtain all basic information of the bus route, such as: the line name, start and end points, first and last buses, etc. are shown on the interface as in fig. 5; clicking a display button in a secondary tab of the bus line information, extracting bus line information data including bus station names and station longitude and latitude coordinate information of a target line by a bus line information unit, and displaying a bus line information table. If the 'save to local' button is clicked again, the 'data download save module' is operated, and the module can sort the bus route information table into an xlsx format for saving, as shown in fig. 6; clicking a display button in a secondary tab of the bus track data, and extracting bus track data of a target line, namely longitude and latitude data of a fixed time interval in the running process of a bus recorded by a GPS (global positioning system), and arranging the bus track data into a bus track data table to be displayed on the interface by the bus track data unit. If the "save to local" button is clicked again at this time, the "data download save module" is operated, and the bus track data table can be saved locally, as shown in fig. 7.
In the "coordinate conversion" tab, this tab corresponds to the function of "coordinate conversion module", click "bus station coordinate-convert UTM" button (change WGS84 coordinate into UTM coordinate), "bus station coordinate conversion unit" draw and calculate the bus station longitude and latitude data from the workstation, convert it from the longitude and latitude coordinate of WGS84 coordinate system into the coordinate of UTM projection coordinate system, namely get the bus station UTM coordinate data sheet of the corresponding circuit, as shown in fig. 8; clicking the button of 'bus track-converting UTM', the bus track converting unit extracts and calculates bus track data from the workstation, converts the bus track data from the WGS84 coordinate system into coordinates of the UTM projection coordinate system, and then obtains a corresponding bus track UTM coordinate data table, as shown in FIG. 9, clicking the button below the corresponding bus track UTM coordinate data table, operating the data download and storage module, and storing the bus station UTM coordinate and the bus track UTM coordinate data table locally.
The tab interface of the mathematical statistics corresponds to a bus track data calculation module, and a track interval acquisition unit can be operated by clicking a track interval calculation button of the secondary tab, and bus track data is further processed and calculated to obtain intervals among track points, as shown in fig. 10; clicking the "speed data and statistics" button of the secondary tab, the running speed data and statistics unit can obtain the running speed, the speed statistics table and the speed distribution histogram of the bus, as shown in fig. 11. Clicking the 'save to local' button in the two secondary tabs respectively, and operating the 'data download save module', so that two tables of bus running interval and bus running speed can be saved in an xlsx format respectively.
The "vehicle run time space map" tab corresponds to the function of the "vehicle run time visualization module". Clicking a display button, running a vehicle running time-space visualization module, further calculating the time-mileage relation of the bus running by combining the time information of the bus track data calculated by the data extraction and classification module on the basis of the bus track interval data obtained by the bus track data calculation module, and displaying the time-mileage relation on a vehicle running time-space diagram tab interface in a chart mode, wherein the corresponding bus running time-space diagram can be seen on the interface, as shown in fig. 12.
The vehicle track visualization tab corresponds to the function of the vehicle track plane visualization module, the display button is clicked, the vehicle track plane visualization module draws a plane track graph which shows the geographical position information and the bus line shape information of the whole bus running process in detail by using the bus track data given by the data extraction and classification module, and generates a corresponding geographical visualization graph of the bus running track on an interface, as shown in fig. 13, and the graph can display the corresponding position of the selected bus track coordinate on a real city map.
The SUMO simulation option card corresponds to the functions of a bus line simulation modeling module and a simulation module. Clicking the 'generate simulation path' button, and the 'bus line simulation modeling module' matches the bus station of the target line into the SUMO city road network by using the longitude and latitude coordinate information of the station given by the 'data extraction and classification module'.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The bus route information acquisition and simulation modeling platform is characterized by comprising the following components:
an information acquisition module: the XML file is used for acquiring the city name and the line number input by the user and acquiring the operation information of the target bus line according to the city name and the line number;
and a data extraction and classification module: the method is used for extracting the operation information of the target bus route based on the XML file;
the bus track data calculation module: the method comprises the steps of obtaining bus running interval, bus running speed and mathematical statistics information according to target bus line operation information;
a vehicle operation time-space visualization module: the bus running time-mileage relation is calculated according to the bus running interval and the target bus line running information, and a bus running time-space diagram is obtained;
vehicle trajectory plane visualization module: the plane track diagram is used for calculating geographic position information and bus line shape information of the whole bus running process according to the target bus line operation information to obtain a geographic visual diagram;
bus line simulation modeling module: the simulation system is used for matching simulation paths and stations according to the operation information of the target bus line, calculating simulation parameters according to bus operation intervals, bus operation speeds and mathematical statistical information thereof, thereby establishing a bus simulation model and outputting XML files required by simulation; and
and (3) a simulation module: the method is used for perfecting simulation configuration according to XML files required by simulation, so that bus simulation is operated.
2. The bus route information acquisition and simulation modeling platform according to claim 1, further comprising a coordinate conversion module: the method is used for converting the longitude and latitude coordinates of the target bus route operation information from the WGS84 coordinate system to the coordinates of the UTM projection coordinate system.
3. The bus route information acquisition and simulation modeling platform according to claim 2, wherein the data extraction and classification module comprises a basic information unit, a bus route information unit and a bus track data unit;
the basic information unit is used for extracting basic information of the target bus line according to the XML file;
the bus line information unit is used for extracting bus line information according to the XML file;
and the bus track data unit is used for extracting bus track data according to the XML file.
4. A bus route information acquisition and simulation modeling platform according to claim 3, wherein the basic information of the target bus route includes a route name, a start and end point, a first and last bus, a bus route ID and affiliated company information of the target bus route;
the bus route information comprises bus station names and bus station longitude and latitude coordinate information of a target bus route;
the bus track data comprise longitude and latitude data of fixed time intervals in the running process of the bus.
5. The bus route information acquisition and simulation modeling platform according to claim 4, wherein the coordinate conversion module comprises a bus station coordinate conversion unit and a bus track conversion unit;
the bus station coordinate conversion unit is used for converting the longitude and latitude coordinate information of the bus station from the longitude and latitude coordinates of the WGS84 coordinate system to the coordinates of the UTM projection coordinate system to obtain a bus station UTM coordinate data table of the corresponding line;
the bus track conversion unit is used for converting the bus track data from longitude and latitude coordinates of the WGS84 coordinate system to coordinates of the UTM projection coordinate system to obtain a bus track UTM coordinate data table.
6. A bus route information acquisition and simulation modeling platform according to claim 3, wherein the bus track data calculation module comprises a track interval acquisition unit and a speed data and statistics unit;
the track interval acquisition unit is used for acquiring bus running intervals according to bus track data;
the speed data and statistics unit is used for obtaining bus running speed, a speed statistics table and a speed distribution histogram according to the bus track data and the bus running interval.
7. The bus route information acquisition and simulation modeling platform according to claim 5, further comprising: and the data downloading and storing module is used for: the method is used for downloading and storing bus route information, bus track data, bus running intervals, bus running speeds, bus track UTM coordinate data tables and bus station UTM coordinate data tables.
8. A bus route information acquisition and simulation modeling platform according to claim 3, further comprising: the display module is used for displaying information acquired by the information acquisition module, the data extraction and classification module, the coordinate conversion module, the bus track data calculation module, the vehicle running time-space visualization module, the vehicle track plane visualization module and the simulation module.
9. The bus route information acquisition and simulation modeling platform according to claim 1, wherein the information acquisition module is further configured to determine whether the input route number is correct.
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