Study On Network Topology And Key Activities Modeling Of Passenger Flow In Comprehensive Transportation Hub

Modern urban comprehensive transportation hub integrats various mode of transportation, and has complex traffic. Complex passenger flow traffic network are formed by different passenger OD in the hub. It brings great difficulties to the hub about raising the level of service and security. And at present both at home and abroad for the research of the passenger flow within the modern large-scale comprehensive transportation hub are relatively few. Therefore, accurate description of passenger traffic network and effective grasp of the movement rule of passenger flow has important theory value and practical significance to improve the service level of hub.Based on the analysis of the comprehensive transportation hub internal functional areas, in view of the passenger flow and network inside the hub, referencing the principle of graph theory, this paper makes a comprehensive analysis of traffic network topology and the key activities within the hub.The main research contents include:(1) The analysis and description of key elements of passenger flow activity in comprehensive transportation hub. When the internal structure of urban comprehensive transportation hub station was determined, to determine the corresponding situation of traffic network and key activities of the passenger flow, key elements of passenger flow network in the hub must be analyzed and its description form must be determined. This paper will analyze the internal flow characteristics of the hub, functional areas, traffic flow within the hub and detailed parameters of related traffic.(2) Modeling of comprehensive transportation hub internal traffic network topology based on graph theory. Transport hub passenger flow within the network structure is complex, contains a large number of active nodes and passenger flow active chains. The analysis shows that the characteristics of the traffic network structure fits well with graph theory. This paper established hub passenger flow within the network structure of the model, which is based on the definition of the attribute of the Node and Link.(3) FSM algorithm is used to construct the passenger flow model of the key activities in comprehensive transport hub. This paper, analyzes the passenger flow of key activities within the hub mental process which is based on the theory of three level behavior in traffic activities, and describes the key activities chain of passenger flow which is combined with the hub passenger flow network topology model. On this basis, this article is based on FSM method for passenger flow of the model of key activities within the hub, the traffic parameters and draw the corresponding flow activities. FSM algorithm is adopted to establish the key activities within the hub passenger flow model. And the model gives the traffic parameters of passenger flow activities.Finally, the method is used to Shapingba comprehensive transport hub in Chongqing, to prove the effectiveness and practicability of the method in this paper. Results show that the method can effectively react the network topology structure of the hub and key activities of passenger flow. Analysis Results give the realistic significance to the construction of comprehensive transport hub facilities planning, management operations, and passenger flow guidance.