Modeling of 3-D Air Traffic Complexity Based on Route Structure Constraints

It is an important issue to assess traffic situation complexity for air traffic management. There is a lack of systematic review of the existing air traffic complexity assessment methods, and there is no consideration of the role of airspace and traffic coordination mechanism. A new 3-D airspace complexity measurement method is proposed based on route structure constraints to evaluate the air traffic complexity objectively. Firstly, the model of the impact on horizontal and vertical direction for "aircraft pair" is established based on the route guidance. After that, the coupled complexity model for 3-D airspace is given according to the modification on the model in terms of flight standardization. Finally, the global model of the airspace traffic complexity is established. It is proved by the experimental data from the actual operation in airspace that the proposed model can reflect the space coupling situation and complexity of aircraft. At the same time, it can precisely describe the actual operation of civil aviation in China. © 2019, Editorial Department of Transactions of NUAA. All right reserved.