CN112541206A - Simulation method, system, computer equipment and readable medium for station passenger flow analysis - Google Patents

Simulation method, system, computer equipment and readable medium for station passenger flow analysis Download PDF

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Publication number
CN112541206A
CN112541206A CN202011496028.0A CN202011496028A CN112541206A CN 112541206 A CN112541206 A CN 112541206A CN 202011496028 A CN202011496028 A CN 202011496028A CN 112541206 A CN112541206 A CN 112541206A
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passenger flow
station
simulation
dimensional model
data
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谭子龙
周会武
邓波
何杰
黄伟
贠毓
吴立桥
罗容华
李�瑞
王明文
范宏宇
杨超
甄建
夏东
万涛
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation

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  • Computer Hardware Design (AREA)
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  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a simulation method, a simulation system, computer equipment and a readable medium for station passenger flow analysis, and belongs to the field of passenger flow analysis. The simulation method comprises the following steps: predicting passenger flow data of a station; outputting passenger flow data in a matrix form through a BIM technology to obtain matrix data; obtaining a primary three-dimensional model of a station; dividing the primary three-dimensional model into a plurality of layers; deriving a secondary three-dimensional model of each layer from the primary three-dimensional model; formatting the plurality of secondary three-dimensional models; and associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting treatment according to simulation software, thereby obtaining a simulation result of passenger flow analysis. The simulation method provided by the invention obtains the three-dimensional model which can be identified by the simulation software through the BIM technology, and can intuitively and visually reflect the action route and the spatial relationship of the passenger flow of the station, thereby obtaining accurate passenger flow analysis.

Description

Simulation method, system, computer equipment and readable medium for station passenger flow analysis
Technical Field
The invention belongs to the field of passenger flow analysis, and particularly relates to a simulation method, a simulation system, computer equipment and a readable medium for station passenger flow analysis.
Background
With the deep construction of the subway, more subway stations need to be transferred with each operated line. In view of the design and operation requirements of other lines, simulation in various aspects such as passenger flow, fire evacuation and the like needs to be carried out on the newly built station, and practical opinions are provided for the station by carrying out data analysis on simulation results.
In the related art, a simulation method for passenger flow analysis of a station is to simulate through a two-dimensional CAD vector graph, specifically, to import the two-dimensional CAD vector graph into simulation software and associate the two-dimensional CAD vector graph with passenger flow data, so that simulation and analysis of passenger flow are realized through the simulation software.
However, the simulation output result of the method is two-dimensional and abstract, and the action route and the spatial relationship of the passenger flow at the station cannot be intuitively reflected, so that accurate passenger flow analysis cannot be obtained.
Disclosure of Invention
In view of the above drawbacks or needs for improvement in the prior art, the present invention provides a simulation method, system, computer device and readable medium for station passenger flow analysis, which aims to visually reflect the action route and spatial relationship of the station passenger flow, thereby solving the technical problem that the action route and spatial relationship of the station passenger flow cannot be visually reflected.
In a first aspect, the present invention provides a simulation method for station passenger flow analysis, where the simulation method includes:
predicting passenger flow data of a station;
outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data;
obtaining a primary three-dimensional model of the station based on a BIM technology;
dividing the primary three-dimensional model into a plurality of layers, wherein each layer corresponds to the same type of members of the same floor of the station;
deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology;
formatting the secondary three-dimensional models to obtain a file format required by simulation software;
and associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting treatment according to simulation software, thereby obtaining a simulation result of passenger flow analysis.
Optionally, the passenger flow data includes:
peak passenger flow, transfer passenger flow, passenger flow direction proportion and traffic logarithm.
Optionally, the deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technique includes:
and sequentially deriving the secondary three-dimensional model of each layer through an interface reserved by BIM software.
Optionally, the interface includes: FBX or DWG.
Optionally, the formatting the plurality of secondary three-dimensional models to obtain a file format required by the simulation software includes:
in third-party software, a plurality of secondary three-dimensional models are spliced by using a script or a command line programming means and are stored into a file format required by the simulation software.
Optionally, the third-party software is one of 3dmax, sketchup and rhino.
In a second aspect, the present invention provides a simulation system for station passenger flow analysis, the simulation system comprising:
the passenger flow data prediction model is used for predicting passenger flow data of a station;
the matrix data module is used for outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data;
the primary three-dimensional model module is used for obtaining a primary three-dimensional model of the station based on a BIM technology;
the layer module is used for dividing the primary three-dimensional model into a plurality of layers;
the secondary three-dimensional model module is used for deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology, and each layer corresponds to the same type of components on the same floor of the station;
the formatting processing module is used for formatting the secondary three-dimensional models to obtain a file format required by the simulation software;
and the simulation module is used for associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting processing according to simulation software so as to obtain a simulation result of passenger flow analysis.
In a third aspect, the present invention provides a computer device comprising at least one processing unit, and at least one memory unit, wherein the memory unit stores a computer program that, when executed by the processing unit, causes the processing unit to perform the steps of the simulation method of the first aspect.
In a fourth aspect, the present invention provides a computer-readable storage medium storing a computer program executable by a computer device, the computer program, when run on the computer device, causing the computer device to perform the steps of the simulation method of the first aspect.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
for the simulation method for station passenger flow analysis provided by the embodiment of the invention, when the passenger flow analysis of the station is simulated, firstly, the passenger flow data of the station is predicted. Then, the passenger flow data is output in a matrix form through the BIM technology to obtain matrix data, and data required by simulation is obtained. And then, based on the BIM technology, obtaining a primary three-dimensional model of the station, and facilitating the subsequent layer division of the station. And then, dividing the primary three-dimensional model into a plurality of layers, wherein each layer corresponds to the same type of members of the same floor of the station, so that the primary three-dimensional model is clearer and simpler. And then, deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology, and formatting the plurality of secondary three-dimensional models to obtain a file format required by the simulation software, so as to obtain a three-dimensional model which can be identified by the simulation software. And finally, associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting processing according to simulation software so as to obtain a simulation result of passenger flow analysis, and further, based on the three-dimensional models, simulating the passenger flow more intuitively and accurately analyzing the passenger flow.
That is to say, the simulation method provided by the invention obtains the three-dimensional model which can be identified by the simulation software through the BIM technology, and simulates by combining the station equipment data and the passenger flow data, so that the action route and the spatial relationship of the passenger flow of the station can be reflected visually and visually, and the accurate passenger flow analysis can be obtained.
Drawings
Fig. 1 is a flowchart of a simulation method for station passenger flow analysis according to an embodiment of the present invention;
fig. 2 is a flowchart of another simulation method for station passenger flow analysis according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a simulation system for station passenger flow analysis according to this embodiment.
The symbols in the drawings represent the following meanings:
1. a passenger flow data prediction model; 2. a matrix data module; 3. a primary three-dimensional model module; 4. a layer module; 5. a secondary three-dimensional model module; 6. a formatting processing module; 7. and (5) a simulation module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a flowchart of a simulation method for station passenger flow analysis according to an embodiment of the present invention, and as shown in fig. 1, the simulation method includes:
and S101, predicting passenger flow data of the station.
And S102, outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data.
S103, obtaining a primary three-dimensional model of the station based on the BIM technology.
And S104, dividing the primary three-dimensional model into a plurality of layers.
In step S104, each map layer corresponds to the same type of members on the same floor of the station.
And S105, deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology.
And S106, formatting the secondary three-dimensional models to obtain a file format required by the simulation software.
And S107, associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting processing according to simulation software, thereby obtaining a simulation result of passenger flow analysis.
For the simulation method for station passenger flow analysis provided by the embodiment of the invention, when the passenger flow analysis of the station is simulated, firstly, the passenger flow data of the station is predicted. Then, the passenger flow data is output in a matrix form through the BIM technology to obtain matrix data, and data required by simulation is obtained. And then, based on the BIM technology, obtaining a primary three-dimensional model of the station, and facilitating the subsequent layer division of the station. And then, dividing the primary three-dimensional model into a plurality of layers, wherein each layer corresponds to the same type of members of the same floor of the station, so that the primary three-dimensional model is clearer and simpler. And then, deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology, and formatting the plurality of secondary three-dimensional models to obtain a file format required by the simulation software, so as to obtain a three-dimensional model which can be identified by the simulation software. And finally, associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting processing according to simulation software so as to obtain a simulation result of passenger flow analysis, and further, based on the three-dimensional models, simulating the passenger flow more intuitively and accurately analyzing the passenger flow.
That is to say, the simulation method provided by the invention obtains the three-dimensional model which can be identified by the simulation software through the BIM technology, and simulates by combining the station equipment data and the passenger flow data, so that the action route and the spatial relationship of the passenger flow of the station can be reflected visually and visually, and the accurate passenger flow analysis can be obtained.
Fig. 2 is a flowchart of another simulation method for station passenger flow analysis according to an embodiment of the present invention, and as shown in fig. 2, the simulation method includes:
s201, predicting passenger flow data of the station.
In this embodiment, the passenger flow data includes:
peak passenger flow, transfer passenger flow, passenger flow direction proportion and traffic logarithm.
In the embodiment, the integral passenger flow data of the station is more real and reliable by predicting the peak passenger flow, the transfer passenger flow, the proportion of the passenger flow and the number of the travelling pairs of the station.
In this implementation, peak traffic includes early and late peak hour traffic during traffic control periods (early/near/far).
And S202, outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data.
In the above embodiment, the matrix data processed by the BIM technique can be recognized by the simulation software.
In this embodiment, the matrix is an OD matrix.
And S203, obtaining a primary three-dimensional model of the station based on the BIM technology.
In the above embodiment, through the BIM technology, a visible primary three-dimensional model can be obtained in combination with a specific structure of a station, so that division of subsequent layers is facilitated.
It should be noted that the BIM technology is based on various relevant information data of the construction engineering project as a model, and establishes a three-dimensional model, and simulates real information of a building through digital information simulation. That is to say, on the basis of the BIM technology, a visual three-dimensional model can be obtained, and characteristics such as the spatial structure of a station, the project scale and the environmental compatibility can be reflected.
And S204, dividing the primary three-dimensional model into a plurality of layers.
In step S204, each map layer corresponds to the same type of members on the same floor of the station.
It should be noted that, in the present embodiment, the member is a basic element of the station, for example: stairs, pillars or walls, etc.
And S205, sequentially deriving the secondary three-dimensional models of the layers through interfaces reserved by BIM software.
In the above embodiment, the secondary three-dimensional model of each layer is obtained, so that subsequent formatting processing of third-party software is facilitated.
In this embodiment, the interface includes: FBX or DWG.
And S206, splicing the plurality of secondary three-dimensional models by using a script or command line programming means in third-party software, and storing the spliced secondary three-dimensional models into a file format required by the simulation software.
In the above embodiment, the third-party software can automatically combine the multiple secondary three-dimensional models, so as to avoid the subsequent insertion of the single secondary three-dimensional models into the simulation software one by one, and the secondary three-dimensional models can be converted into the file format required by the simulation software, so that the file format can be smoothly inserted into the simulation software.
It should be noted that the simulation software cannot split the unstructured three-dimensional model according to floors and members, the member of the previous floor often shields the visibility of the next floor, and the observation result in the simulation process is not favorable.
In this embodiment, the third-party software is one of 3dmax, sketchup and rhino.
And S207, associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting according to simulation software, so as to obtain a simulation result of passenger flow analysis.
In this embodiment, the station equipment data includes:
the operation parameters of the equipment, such as a gate, a security check machine, a ticket selling machine and the like.
It should be noted that the simulation method further includes:
and according to the simulation result, carrying out numerical calculation by combining a station space adaptability evaluation system and indexes to obtain a station space adaptability evaluation result.
In the above embodiment, the construction of the station can be effectively guided by the result of the evaluation of the station space adaptability.
The invention has the following advantages:
(1) the method realizes three-dimensional visualization for rail transit passenger flow simulation, is more visual, optimizes the simulation process, and is more concise and clear.
(2) The invention has higher automation degree, integrates the static calculation analysis and the dynamic simulation analysis of the data, automatically simplifies, optimizes and classifies the simulation model, and does not need manual secondary adjustment.
(3) The invention realizes the standardization and the programming of work, and reasonably depends on the work, so that the work is detailed into each fine detail, and the invention has very important significance for the streamline design of pedestrians.
(4) The invention can provide targeted and constructive quantitative analysis for the design of the pedestrian simulation streamline in the rail transit engineering, guides the rationality of the scheme design and improves the passenger service level.
Fig. 3 is a schematic structural diagram of a simulation system for station passenger flow analysis according to this embodiment, and as shown in fig. 3, the simulation system includes:
and the passenger flow data prediction model 1 is used for predicting passenger flow data of a station.
And the matrix data module 2 is used for outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data.
And the primary three-dimensional model module 3 is used for obtaining a primary three-dimensional model of the station based on the BIM technology.
And the layer module 4 is used for dividing the primary three-dimensional model into a plurality of layers.
And the secondary three-dimensional model module 5 is used for deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology, wherein each layer corresponds to the same type of components on the same floor of the station.
And the formatting processing module 6 is used for formatting the plurality of secondary three-dimensional models to obtain a file format required by the simulation software.
And the simulation module 7 is used for associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting processing according to simulation software so as to obtain a simulation result of passenger flow analysis.
The embodiment further provides a computer device, which includes at least one processing unit and at least one storage unit, where the storage unit stores a computer program, and when the computer program is executed by the processing unit, the processing unit executes the steps of the simulation method, which is not described herein again; in this embodiment, the types of the processor and the memory are not particularly limited, for example: the processor may be a microprocessor, digital information processor, on-chip programmable logic system, or the like; the memory may be volatile memory, non-volatile memory, a combination thereof, or the like.
Embodiments of the present invention also provide a computer-readable storage medium, which stores a computer program executable by a computer device, and when the computer program runs on the computer device, the computer device is caused to execute the steps of the simulation method. The implementation principle and technical effect are similar to those of the above method, and are not described herein again.
It must be noted that in any of the above embodiments, the methods are not necessarily executed in order of sequence number, and as long as it cannot be assumed from the execution logic that they are necessarily executed in a certain order, it means that they can be executed in any other possible order.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. A simulation method for station passenger flow analysis is characterized by comprising the following steps:
predicting passenger flow data of a station;
outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data;
obtaining a primary three-dimensional model of the station based on a BIM technology;
dividing the primary three-dimensional model into a plurality of layers, wherein each layer corresponds to the same type of members of the same floor of the station;
deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology;
formatting the secondary three-dimensional models to obtain a file format required by simulation software;
and associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting treatment according to simulation software, thereby obtaining a simulation result of passenger flow analysis.
2. The simulation method for station passenger flow analysis according to claim 1, wherein the passenger flow data comprises:
peak passenger flow, transfer passenger flow, passenger flow direction proportion and traffic logarithm.
3. The simulation method for station passenger flow analysis according to claim 1, wherein the deriving the secondary three-dimensional model of each layer from the primary three-dimensional model based on BIM technology comprises:
and sequentially deriving the secondary three-dimensional model of each layer through an interface reserved by BIM software.
4. The simulation method for station passenger flow analysis according to claim 3, wherein the interface comprises: FBX or DWG.
5. The simulation method for station passenger flow analysis according to claim 1, wherein the formatting the plurality of secondary three-dimensional models to obtain a file format required by simulation software comprises:
in third-party software, a plurality of secondary three-dimensional models are spliced by using a script or a command line programming means and are stored into a file format required by the simulation software.
6. The simulation method for station passenger flow analysis according to claim 5, wherein the third-party software is one of 3dmax, sketchup and rhono.
7. A simulation system for station passenger flow analysis, characterized in that the simulation system comprises:
the passenger flow data prediction model (1) is used for predicting passenger flow data of a station;
the matrix data module (2) is used for outputting the passenger flow data in a matrix form through a BIM technology to obtain matrix data;
the primary three-dimensional model module (3) is used for obtaining a primary three-dimensional model of the station based on a BIM technology;
the layer module (4) is used for dividing the primary three-dimensional model into a plurality of layers;
the secondary three-dimensional model module (5) is used for deriving a secondary three-dimensional model of each layer from the primary three-dimensional model based on a BIM technology, and each layer corresponds to the same type of components of the same floor of the station;
the formatting processing module (6) is used for formatting the secondary three-dimensional models to obtain a file format required by simulation software;
and the simulation module (7) is used for associating the station equipment data, the matrix data and the plurality of secondary three-dimensional models after formatting processing according to simulation software so as to obtain a simulation result of passenger flow analysis.
8. A computer arrangement, comprising at least one processing unit and at least one memory unit, wherein the memory unit stores a computer program which, when executed by the processing unit, causes the processing unit to carry out the steps of the simulation method according to any of claims 1 to 6.
9. A computer-readable storage medium, characterized in that it stores a computer program executable by a computer device, which when run on the computer device causes the computer device to perform the steps of the simulation method of any of claims 1 to 6.
CN202011496028.0A 2020-12-17 2020-12-17 Simulation method, system, computer equipment and readable medium for station passenger flow analysis Pending CN112541206A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117132083A (en) * 2023-10-20 2023-11-28 惠州市金雄城建筑科技有限公司 Urban rail transit hub operation and maintenance management system based on BIM

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
谭子龙: "基于BIM模型的地铁车站三维客流仿真路线研究", 《铁路技术创新》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117132083A (en) * 2023-10-20 2023-11-28 惠州市金雄城建筑科技有限公司 Urban rail transit hub operation and maintenance management system based on BIM
CN117132083B (en) * 2023-10-20 2024-01-30 惠州市金雄城建筑科技有限公司 Urban rail transit hub operation and maintenance management system based on BIM

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Application publication date: 20210323