The invention discloses a propeller unmanned aerial vehicle autonomous takeoff obstacle crossing ability analysis method. The method comprises the following steps: S1, calculating an off-ground takeoff true speed through the takeoff weight of the unmanned aerial vehicle; s2, calculating the propeller pitch ratio according to the off-ground takeoff true speed and the engine air door opening degree, and calculating the whole aircraft equivalent tension coefficient and the propeller tension according to the propeller pitch ratio; s3, calculating lift force and resistance according to the full-aircraft equivalent tension coefficient, the propeller tension and the flap rudder output, and calculating residual thrust according to the lift force and the resistance; s4, calculating takeoff taxiing time and takeoff taxiing distance according to the lift force and the resistance, and calculating takeoff average resultant force according to the takeoff taxiing time and the takeoff taxiing distance; and S5, calculating an average climbing rate, an average climbing gradient and a climbing angle according to the lift force, the resistance and the take-off height so as to obtain the total time and the total distance required by skating and climbing.
本发明公开了一种螺旋桨无人机自主起飞越障能力分析方法,包括以下步骤:S1、通过无人机起飞重量计算离地起飞真速;S2、根据离地起飞真速和发动机风门开度计算螺旋桨进距比,并根据螺旋桨进距比计算全机等效拉力系数和螺旋桨拉力;S3、根据全机等效拉力系数、螺旋桨拉力以及襟翼舵出舵量计算升力和阻力,并根据升力和阻力计算剩余推力;S4、根据升力和阻力计算起飞滑跑时间和起飞滑跑距离,并根据起飞滑跑时间和起飞滑跑距离计算起飞平均合力;S5、根据升力、阻力以及起飞高度计算平均爬升率、平均爬升梯度和爬升角,进而得到滑跑和爬升所需的总时间和总距离。
Propeller unmanned aerial vehicle autonomous takeoff obstacle crossing ability analysis method
一种螺旋桨无人机自主起飞越障能力分析方法
2022-01-07
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |
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