Continuous descent approaching emission optimization method based on particle swarm algorithm

Abstract

The invention discloses a continuous descent approaching emission optimization method based on a particle swarm algorithm. The method comprises that firstly, an aircraft continuous approaching descent flying process is analyzed, and a continuous descent approaching nominal track operation control model is constructed; secondly, feasible tracks and flight parameter constraint conditions in an aircraft continuous descent process are determined, and a continuous descent approaching emission optimization transition space and an emission optimization approaching space are set; thirdly, a Gauss model is employed as a model of an atmosphere diffusion mode, a pollutant concentration evaluation coordinate system is established, decision variables of the model are analyzed, and key factors influencing pollutant concentration are found out; lastly, taking the minimum emission concentration of aircrafts in an approaching process as the goal, an aircraft continuous descent approaching emission optimization model is established, and solution is carried out through the particle swarm algorithm. The method is advantaged in that the continuous descent approaching tracks for realizing the minimum pollution can be set according to different airports for the airports and dense population zones nearby the airports, and corresponding reference is provided for energy saving and emission reduction of the aircrafts at a terminal area descent stage.

Description

technical field [0001] The invention belongs to the field of aircraft operation information perception and identification, relates to an aircraft emission optimization method in the continuous approach phase, and specifically relates to establishing a continuous descent approach nominal track, designating a transition space / effective diffusion space and providing a continuous Optimal solution method for descending approach emission concentrations. Background technique [0002] The Civil Aviation Administration of China and the Air Traffic Management Bureau proposed to accelerate the application of new technologies and other measures to effectively improve operational management efficiency and reduce ground and air fuel consumption and pollutant emissions. Continuous Descent Approach (CDA) is a new type of approach actively promoted by ICAO. Under the vertical guidance provided by the PBN flight procedure, the approaching aircraft can choose the optimal initial approach point...

AI Technical Summary

Problems solved by technology

The current research on aircraft continuous descent approach emissions is mainly to evaluate its influencing factors and establish a calculation model. By establishing a standard continuous descent approach track and comparing it with the traditional stepped approach procedure, the emission of continuous descent approach is analyzed. However, on the basis of continuous descent approach technology, there is a gap in the optimization of aircraft emissions according to different aircraft performance, status, different airports and other conditions

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