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针对无人机以不同载荷自主着陆时,固定的纵向参考轨迹线不能满足着陆速度及其他着陆参数对轨迹的要求的问题,文章根据无人机不同的飞行性能和着陆性能要求,设计纵向着陆轨迹,结合着陆过程的控制逻辑,设计控制律。并通过Matlab/Simulink建立无人机的自主着陆阶段的仿真模型,验证了设计的着陆轨迹和着陆控制律满足着陆性能要求。
For a UAV landing autonomously with different loads, the fixed longitudinal reference trajectory can not meet the requirements of the landing speed and other landing parameters of the trajectory. According to different flight performance and landing requirements of the UAV, the design of the longitudinal landing trajectory , Combined with the control logic of landing process, design control law. The simulation model of autonomous landing of UAV was established by Matlab / Simulink, and the designed landing trajectory and landing control law were verified to meet the landing performance requirements.