期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
New reference trajectory optimization algorithm for a flight management system inspired in beam search 被引量:4
1
作者 Alejandro MURRIETA-MENDOZA Bruce BEUZE +1 位作者 Laurane TERNISIEN Ruxandra Mihaela BOTEZ 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2017年第4期1459-1472,共14页
With the objective of reducing the flight cost and the amount of polluting emissions released in the atmosphere, a new optimization algorithm considering the climb, cruise and descent phases is presented for the refer... With the objective of reducing the flight cost and the amount of polluting emissions released in the atmosphere, a new optimization algorithm considering the climb, cruise and descent phases is presented for the reference vertical flight trajectory. The selection of the reference vertical navigation speeds and altitudes was solved as a discrete combinatory problem by means of a graphtree passing through nodes using the beam search optimization technique. To achieve a compromise between the execution time and the algorithm's ability to find the global optimal solution, a heuristic methodology introducing a parameter called ‘‘optimism coefficient was used in order to estimate the trajectory's flight cost at every node. The optimal trajectory cost obtained with the developed algorithm was compared with the cost of the optimal trajectory provided by a commercial flight management system(FMS). The global optimal solution was validated against an exhaustive search algorithm(ESA), other than the proposed algorithm. The developed algorithm takes into account weather effects, step climbs during cruise and air traffic management constraints such as constant altitude segments, constant cruise Mach, and a pre-defined reference lateral navigation route. The aircraft fuel burn was computed using a numerical performance model which was created and validated using flight test experimental data. 展开更多
关键词 Beam search Commercial aircraft Flight time Flight management system fuel burn FMS Trajectory optimization
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部