Staged multi-path model algorithm of urban rail transit network passenger flow distribution

A technology for urban rail transit and passenger flow distribution, which is applied in the field of network passenger flow analysis and forecasting, and reasonable allocation of transport capacity, and can solve problems such as failure to reflect the diverse characteristics of passenger selection and neglect.

Inactive Publication Date: 2011-08-31
TONGJI UNIV
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  • Abstract
  • Description
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Problems solved by technology

This method is relatively simple, and it is a convenient method for calculating passenger flow distribution under the conditions of small road network scale, simple network structure, and low requirements on the accuracy of results;

Method used

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  • Staged multi-path model algorithm of urban rail transit network passenger flow distribution
  • Staged multi-path model algorithm of urban rail transit network passenger flow distribution
  • Staged multi-path model algorithm of urban rail transit network passenger flow distribution

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Embodiment Construction

[0099] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0100]In order to effectively apply the model and method proposed by the present invention to solve the practical problems of passenger flow and fare clearing, further steps can be carried out as follows:

[0101] (1) Develop a software system for calculating passenger flow distribution of urban rail transit network. Due to the large amount of data processed, the calculation model and algorithm of network passenger flow distribution need to be realized by computer system.

[0102] (2) Prepare relevant information on road network and operation. The model requires a large amount of data related to road network and operation for the calculation of comprehensive travel impedance, the calculation of clearing ratio, etc., including the operation time and departure interval of each line, interval operation time, stop time, transfer time, etc. .

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Abstract

The invention discloses a staged multi-path model algorithm of urban rail transit network passenger flow distribution. The algorithm comprises the following steps of: dividing definite factors and indefinite factors affecting the outgoing of passengers into two stages to calculate and correct the passenger flow distribution proportion of a path, determining the initial distribution proportion of the passenger flow on the path by using the comprehensive outgoing impedance of time unit as a main factor, and correcting the proportion by considering the transfer times and the crowdedness degree on the basis of time window constraints according to a generated full origin-destination (OD) passenger flow distribution path set. The model and the algorithm provided by the invention have higher reasonability and practicability and can effectively serve the passenger flow management of the urban rail transit, meet the service requirement of clearing automatic fare collection (AFC) passenger flow and fare, and provide auxiliary decision proof for operation organization optimization and coordination.

Description

technical field [0001] The invention belongs to the technical field of analysis and prediction of network passenger flow and rational allocation of transport capacity under the networked operation condition of urban rail transit. Background technique [0002] Passenger flow is the basis of rail transit operation organization, the premise of realizing scientific and reasonable sorting of rail transit fare revenue, and an important basis for the formulation and coordination of network operation plans. The calculation method of passenger flow distribution in urban rail transit network is closely related to the transfer mode of rail transit network. Transfers within the rail transit system include transfers with barriers and transfers without barriers. Under barrier transfer conditions, when passengers transfer to other lines, they need to re-purchase tickets at the transfer station or pass through transfer gates. In this case, the travel path of passengers is very clear, and t...

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Application Information

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IPC IPC(8): G06F19/00
Inventor 徐瑞华罗钦
Owner TONGJI UNIV
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