Review of optimization methodologies in global and China trajectory optimization competitions

Global and China trajectory optimization competitions have recently been receiving increasing attention from international astrodynamics community and reputable space agencies such as ESA and NASA. This paper reviews the topics and solution methods of previous competitions. The origin and characteristic of both competitions are firstly summarized. Then, the various optimization methodologies and techniques adopted in the competitions are systematically summarized and reviewed. Finally, combined with the previous summary and analysis, the prospects of the development trend of the topics and the promising solution methods are given.