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Elastic bus station layout method based on DBSCAN algorithm

A layout method and site technology, applied in computing, computer components, instruments, etc., to achieve the effects of ensuring scientificity and accuracy, shortening the distance to the station, and saving construction costs

Active Publication Date: 2021-09-07
SOUTHEAST UNIV
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Problems solved by technology

In this context, the traditional "weaving net-fixing button" bus station layout method will produce greater inadaptability

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  • Elastic bus station layout method based on DBSCAN algorithm
  • Elastic bus station layout method based on DBSCAN algorithm
  • Elastic bus station layout method based on DBSCAN algorithm

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Embodiment Construction

[0050] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0051] A method of elastic bus station layout based on DBSCAN algorithm, such as figure 1 As shown, the specific implementation steps are as follows.

[0052] Step 1: Determine the travel demand points and their demand in the planning area through field visits and survey statistics. The distribution of travel demand points in the planning area is as follows: figure 2 As shown, the demand is shown in Table 1.

[0053] Table 1 Demand point demand (unit: person-time / hour)

[0054] point number Demand point number Demand point number Demand point number Demand 1 49 14 37 27 62 40 39 2 46 15 43 28 56 41 58 3 47 16 50 29 32 42 70 4 43 17 47 30 53 43 47 5 46 18 37 31 70 44 68 6 61 19 37 32 60 45 56 7 64 20 40 33 56 46 59 8 67 21 32 34 64 47 ...

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Abstract

The invention discloses an elastic bus station layout method based on a DBSCAN algorithm. The method comprises the following steps: (1), determining travel demand points in a planning region through on-site visit, and recording the peak hour travel pedestrian flow of the travel demand points one by one to determine the demand quantity; (2) taking the maximum acceptable arrival distance as a neighborhood radius parameter, taking the peak hour maximum service capability of a single station as a density threshold value, and utilizing a DBSCAN algorithm to perform clustering analysis on demand points to obtain an isolated point set and a plurality of clusters; (3) firstly, setting stations at isolated point positions, secondly, respectively establishing target planning models for different clusters by taking the shortest travel distance of passengers as a target, and screening to determine station layouts in the clusters; and (4) adjusting the positions of the isolated point sites and the class cluster sites so as to conform to the site spacing constraint, and further determining a final scheme. The method provides reference for reasonable layout of infrastructures in future urban elastic bus development.

Description

technical field [0001] The invention belongs to the field of public transportation in transportation planning and management, and in particular relates to an elastic bus station layout method based on a DBSCAN algorithm. Background technique [0002] As a demand-responsive smart bus system, the flexible bus system is a new bus operation system that responds to passenger travel needs in real time, dynamically plans bus routes, does not require transfers, and can effectively improve the quality of public transport services for residents. The elastic bus system adopts the shared travel mode of getting on and off at the station. When the number of stations is too small and the distribution of stations is unreasonable, it will cause problems such as too many people gathered at the station and the distance between passengers and passengers is too long, which will make passengers give up public transportation. [0003] Different from the traditional fixed-route bus, the flexible bu...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/30G06K9/62
CPCG06Q10/04G06F18/2321G06Q50/40
Inventor 李旭宏刘佳彬
Owner SOUTHEAST UNIV
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