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Complex network theory applied basic research in the public transport network in Guiyang

Author: MaJingFu
Tutor: WangHongLei
School: Guizhou University
Course: Control Theory and Control Engineering
Keywords: Complex networks Bus Network Scale-free network Small World Network Invulnerability Cascading failure
CLC: O157.5
Type: Master's thesis
Year: 2009
Downloads: 142
Quote: 1
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Abstract


In recent years , at home and abroad to set off a boom of the study of complex networks . Many of the researchers from the fields of mathematics, physics , computer science and biological dedicated to the study of complex networks . They found that more and more of the actual network with complex network characteristics , and done a lot of research and complex network model , survivability and dynamics . Urban public transport network is an important part of urban traffic network plays an important role in real life , the design , planning and implementation have an important impact on people 's travel . Urban public transport system can be abstracted by a network of bus lines and a docking site constitutes public transport network constitutes a typical complex network . Docking site network in Guiyang city bus transport system for the study of its complexity analysis , calculate the network degree distribution , average path length and clustering coefficient indicators . The results show that , Guiyang Bus Stop degree distribution of a network of sites in line with a power-law distribution , and has a smaller average path length and high clustering coefficient . Guiyang Bus Stop network of sites thus confirming small world and scale-free characteristics . The complex network of research has been developing rapidly in the past few years , including complex network invulnerability is one of the research focus . In this paper , to test the survivability of a the Guiyang city bus docking site network in the case of random attacks and selective attack two . The results show that this network node random attack with a strong ability to fight , while selectively attack against weak . Cascading failure in the traffic on the network have occurred, devastating the entire system . How to deal with large-scale failures caused by cascading failure has been one of the important topic of network science . Urban traffic network cascade failure to do a preliminary study , and laid a solid foundation for future research in this area .

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