The invention discloses a method for determining the optimal efficiency of a water-based propulsion system based on multi-target optimization. The method comprises the following steps: setting independent variable parameters related to the scale of the water-based propulsion system; distributing volumes of a hydrogen cylinder and an oxygen cylinder according to an electrolysis principle; obtainingthe mass and maneuvering interval time of a propellant (water) required to be carried by the water-based propulsion system under the same load weight and speed increment as those of a traditional chemical propulsion system according to the parameters of the water-based propulsion system; solving an optimal solution set of the gas cylinder volume and the electrolytic tank power of the water-basedpropulsion system by taking the system weight and the maneuvering interval time saved by the water-based propulsion system as targets and utilizing a multi-target optimization method; and selecting proper parameters from the optimal solution set according to task requirements, and calculating the performance which can be provided under the scale. The optimal efficiency design of the water-based propulsion system is realized through the multi-objective optimization method, and the problem of mutual restriction between the efficiency and resources of the water-based propulsion system is solved.
本发明公开了一种基于多目标寻优的水基推进系统最优效能确定方法。该方法包括:设置水基推进系统规模相关的自变量参数;根据电解原理,分配氢气瓶和氧气瓶体积;由水基推进系统参数获得与传统化学推进系统相同载荷重量及速度增量下,水基推进系统所需要携带的推进剂(水)的质量及机动间隔时间;以水基推进系统节省的系统重量和机动间隔时间为目标,利用多目标寻优方法求解出水基推进系统的气瓶体积和电解池功率的最优解集;根据任务需求从最优解集选取合适的参数,计算出该规模下可提供的性能。本发明通过多目标寻优方法实现了水基推进系统最优效能设计,解决了水基推进系统效能与资源相互制约的难题。
Method for determining optimal efficiency of water-based propulsion system based on multi-target optimization
一种基于多目标寻优的水基推进系统最优效能确定方法
2020-07-28
Patent
Elektronische Ressource
Chinesisch
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