联博统计接口:Adaptive tracking control of automatic net landing trajectory for carrier-based unmanned aerial vehicle

毫州网/2020-06-26/ 分类:亳州科技/阅读:

针对舰载小型牢靠翼无人机的自动撞网着舰技能举办研究,基于无人机气动数据成立六自由度非线性数学模子.构建无人机撞网着舰引导与节制系统布局,设计了撞网着舰三维基准下滑轨迹,回收滤波引导要领设计纵向和侧向引导律.在无人机模子参数未知的情况下,回收模子参考自适应节制别离设计了升降舵、油门、副翼和偏向舵节制通道的自适应节制律.舰载无人机非线性模子的数值仿真功效表白,自适应航行节制要领下的无人机具有较准确的着舰轨迹跟踪机能.

Abstract:

For a small carrier-based fixed-wing UAV, an automatic net landing technique was investigated.A 6-DOF nonlinear mathematical model of the UAV was established based on aerodynamic data.A guidance and control system structure was created for net landing of the UAV and a 3D reference glide path for net landing was designed. The filtering guide method was applied to design longitudinal and lateral guide laws.Adaptive control laws for ele-vator, throttle, aileron, and rudder control channels were separately designed by adopting the model reference a-daptive control theory under the condition of unknown model parameters.Finally, the numerical simulation of a nonlinear carrier-based UAV was conducted.The results showed that the adaptive control method had precise per-formance in tracking landing trajectory.

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