Research On Airline Network Planning Of Express Enterprises Under The Construction Of Professional Freight Hub Airport

At present,air express transportation is developing rapidly and the demand continues to grow.Chinese express companies are vigorously expanding the aviation business sector.However,the airline network is developing slowly and the planning is unreasonable,when developing air express business,express companies have encountered outstanding problems such as the inadaptability of route network structure to the current development situation,unobvious status of hub airports,excessively high route transportation costs and unbalanced route network node connections.it is not conducive to the growth and development of express companies themselves.In the future,after express delivery companies participate in the construction of professional freight hub airports,how to build a more market-competitive route network is of great significance to companies.This thesis is based on the route network of express companies,and focuses on the problem of route network planning under the construction of professional cargo hub airports.It conducts research from three aspects: the choice of route network mode,the location of regional aviation hubs and the construction of express route network models.Firstly,by combing the research results of domestic and foreign express route networks,analyze the current situation and development trend of the express company’s route network layout,finding out the existing problems,and then clarifying the route network planning needs.Secondly,when selecting a route network model,it pays attention to combining the route network structure,and proposes a “three-level node + two-tier structure” express route network model under the construction of a professional cargo hub airport;When choosing the location of regional aviation hubs,establish a location evaluation index system,use principal component analysis to calculate the comprehensive attribute values of candidate cities and evaluate and sort them accordingly,and screen out the set of candidate hubs;On this basis,a mixed integer linear programming model for the express route network of air express is established.This model comprehensively considers the flow,distance,timeliness,freighter resources and economies of scale during the transportation process,and minimizes the total transportation cost of all express items.For the goal,it is solved through LINGO software,and finally the aviation hub and route connection plan is determined.Finally,through an empirical analysis of major cities under the S company’s air express service network,the feasibility of the model was verified,and the solution results were optimized and analyzed,to provide reference and reference for the construction of economical and reasonable professional freight hub route network for my country’s express delivery companies.