Research on UAV Mission Assignment Considering Low-altitude Operating Environment

How to reasonably allocate unmanned aerial vehicle(UAV)search and rescue tasks in low-altitude rescue has been the focus of research for a long time.The multi-object UAV mission assignment model based on level and distribution assignment method is established.In the model,the search and rescue cost,the number of UAVs used,and the balance of completed tasks are used as objective functions,and solved with the improved NSGA-Ⅱalgorithm.The results show that the established model is effective,and the reasonable and effective allocation schemes can be given in different search and rescue environments.When the highest rescue efficiency are oriented,it will lead the cost and number of UAVs increase.As the actual search UAVs are very limited,the investment of time cost is required.When economic interests are oriented,it will lead to the conclusion that search and rescue time will increase.