0 引言
1 无人机海面目标跟踪模型
1.1 海面目标跟踪系统建模
1.2 舰船运动学建模
表1 典型驱逐舰部分参数Table 1 Partial parameters of a certain type of destroyer |
| Load/t | Length/m | Width/m | Draft/m |
|---|---|---|---|
| 4 200 | 144 | 16 | 5.2 |
Journal of Projectiles, Rockets, Missiles and Guidance >
Trajectory Generation Technology for Unmanned Aerial Vehicles Based on Lyapunov Vector Field Method
Received date: 2024-09-27
Online published: 2025-09-22
To address the challenge of Unmanned Aerial Vehicles (UAVs) tracking unknown moving targets at sea, firstly, a tracking system model and vessel motion model are established with the target as the coordinate system' s originand based on the Lyapunov vector field guidance method, the tracking trajectory is subsequently designed under the condition of the target within the visual field of the UAVs. Secondly, to fulfill the demands of the practical application scenarios and on-board mission equipment, the vector field transformation and rotation functions are added on the basis of the original method, which ensure the planned trajectory to track the moving target in time, steer clear of situation involving trajectory divergence or target misplacement as well. Lastly, a vector field optimization approach is introduced to prevent evasive maneuvers of the targets, permitting constantly trajectory tracking under the condition that the target performs a continuous slew maneuver for escape. The results of the simulation experiments obviously demonstrate that the proposed method can achieve stable and continuous tracking of static and dynamic targets on the sea surface. In summary, the way we introduced holds great potential for practical engineering applications, such as significantly promote the development of UAV technology in the marine field.
CAO Shenglin , HAN Shuai . Trajectory Generation Technology for Unmanned Aerial Vehicles Based on Lyapunov Vector Field Method[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2025 , 45(4) : 516 -522 . DOI: 10.15892/j.cnki.djzdxb.2025.04.009
表1 典型驱逐舰部分参数Table 1 Partial parameters of a certain type of destroyer |
| Load/t | Length/m | Width/m | Draft/m |
|---|---|---|---|
| 4 200 | 144 | 16 | 5.2 |
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