The invention provides an unmanned aerial vehicle rocket boosting launching thrust axis design which comprises the following steps: designing a reasonable unmanned aerial vehicle launching angle and a rocket booster mounting angle according to a model-selected rocket booster; the actual preparation process is comprehensively considered, the ground driving fuel consumption before launching is determined, and the influence of fuel consumption on the gravity center of the unmanned aerial vehicle is calculated and determined; simulating and calculating the influence of thrust on deformation of the force bearing structure of the unmanned aerial vehicle when the selected rocket booster is launched; thrust line influence factors are comprehensively analyzed, and a pre-offset angle is set on a thrust axis, so that the thrust axis of the rocket booster can pass through the actual gravity center during launching; according to the method, the actual launching working condition is comprehensively considered, on the basis that the thrust axis of the rocket booster completely passes through the gravity center of the unmanned aerial vehicle system, the reasonable thrust axis pre-deflection angle is designed, it is ensured that the thrust axis can pass through the actual gravity center of the unmanned aerial vehicle system after the influence of fuel system consumption and structural deformation, and the system launching safety margin is increased.
本发明提供了一种无人机火箭助推发射推力轴线设计,包括以下步骤,根据选型的火箭助推器,设计合理的无人机发射角和火箭助推器安装角;综合考虑实际准备流程,明确发射前地面开车燃油的消耗量,计算确定消耗燃油对无人机重心的影响;仿真计算选用的火箭助推器发射时推力对无人机承力结构变形的影响;综合分析推力线影响因素,在推力轴线设定预偏角度,使得火箭助推器推力轴线在发射时能通过实际重心;本发明综合考虑实际发射工况,在火箭助推器推力轴线完全通过无人机系统重心的基础上,设计合理的推力轴线预偏角度,确保在燃油系统消耗和结构变形影响后,推力轴线能通过无人机系统实际重心,增加系统发射安全裕度。
Rocket boosting launching thrust axis design of unmanned aerial vehicle
一种无人机火箭助推发射推力轴线设计
2023-07-14
Patent
Elektronische Ressource
Chinesisch
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