Buchumschlag

Path-Following Control Based on ALOS Guidance Law for USV

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Veröffentlicht in:Electronics vol. 14, no. 4 (2025), p. 749
1. Verfasser: Li, Yanping
Weitere Verfasser: Wan, Junhe, Wang, Xiaolei, Sun, Zeqiang, Li, Hui, Yu, Zhen, Kou, Lei, Li, Junxiao, Yang, Yang
Veröffentlicht:
MDPI AG
Schlagworte:
Kinematics
Simulation
Velocity
Accuracy
Ocean currents
Wind
Surface vehicles
Root-mean-square errors
Neural networks
Data assimilation
Adaptation
Sideslip
Path tracking
Line of sight
Guidance (motion)
Adaptive control
Unmanned vehicles
Methods
Tracking errors
Trajectory planning
Energy consumption
State observers
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Abstract:An adaptive line-of-sight (ALOS) guidance law with drift angle compensation is proposed to achieve the path following of unmanned surface vehicles (USVs) under the influence of ocean currents. The ALOS guidance law can calculate the desired heading of USV accurately. Compact Form Dynamic Linearization—Model-Free Adaptive Control (CFDL-MFAC) is used to control the heading. Firstly, the relationship between the path tracking error and the USV model is established. The look-ahead distance is designed as a function related to the tracking error and the speed. The sideslip angle is estimated online and compensated by using the reduced-order state observer. Finally, the heading is controlled using CFDL-MFAC, which is calculated by the ALOS guidance law. The simulation results demonstrate that satisfactory performance has been achieved of the ALOS by comparing the mean absolute error (MAE) and root mean square error (RMSE).
ISSN:2079-9292
DOI:10.3390/electronics14040749
Quelle:Advanced Technologies & Aerospace Database