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Publications
Zhang, H.G., Fan, JM., Zhang, XK., Xu, H.T. and Guedes Soares, C. (2024), Unmanned surface vessel – unmanned aerial vehicle cooperative path following based on a predictive line of sight guidance law, Journal of Marine Science and Engineering, Vol. 12(10), 1818
This paper explores the cooperative control of unmanned surface vessels (USVs) and unmanned aerial vehicles (UAVs) in maritime rescue and coastal surveillance. The USV-UAV system faces challenges of disturbances and substantial inertia-induced overshooting during path following. A novel position prediction line of sight (LOS) guidance law is proposed to address these issues for USV path following control. Radial basis function-based neural networks (RBF-NNs) estimate disturbances, and a high-order differentiator is used to design a velocity observer for unknown USV velocity. The UAV control system employs proportional-derivative (PD) control with feedforward compensation for quadrotor control design and utilizes a finite-time converging third-order differentiator to differentiate non-continuous functions. The simulation results demonstrate strong robustness in the proposed USV-UAV cooperative control algorithm. It achieves path-following control in the presence of wind and wave disturbances and exhibits minimal overshoot.
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