Optimization method for four-dimensional trajectory of aircraft in thunderstorm

Thunderstorms are the main factors causing flight delays and affecting aviation safety, and safe aircraft diverting under thunderstorms is one of the important challenges to improve the efficiency of air transportation systems. In this paper, we firstly based on the limitation of aircraft dynamics and the limitation of the thunderstorm influence range, we propose an aircraft performance equation-based optimization method for four-dimensional trajectory of aircraft under thunderstorms, and use the particle swarm algorithm with improved Gaussian kernel function to discretely solve the problem. Finally, we utilize the real thunderstorm data and aircraft performance parameters to test the four dimensional trajectory optimization under thunderstorms, and the results show that the optimization method for four-dimensional trajectory of aircraft in thunderstorm can effectively ensure the safe diverting of aircraft and the trajectory is more stable, and it is more suitable for the trajectory based operation.