Three-Dimensional Path Following Control of Underactuated AUV Based on Nonlinear Disturbance Observer and Adaptive Line-of-Sight Guidance

He, Long; Zhang, Ya; Fan, Gang; Liu, Yang; Wang, Xue; Yuan, Zehui

doi:10.1109/access.2024.3412816

IEEE Access

2024

DOI: 10.1109/access.2024.3412816

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Three-Dimensional Path Following Control of Underactuated AUV Based on Nonlinear Disturbance Observer and Adaptive Line-of-Sight Guidance

Long He,

Ya Zhang,

Gang Fan

et al.

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Three-Dimensional Path Following Control for Underactuated AUV Based on Ocean Current Observer

He,

Zhang,

et al. 2024

Drones

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In the marine environment, the motion characteristics of Autonomous Underwater Vehicles (AUVs) are influenced by unknown factors such as time-varying ocean currents, thereby amplifying the complexity involved in the design of path-following controllers. In this study, a backstepping sliding mode control method based on a current observer and nonlinear disturbance observer (NDO) has been developed, addressing the 3D path-following issue for AUVs operating in the ocean environment. Accounting for uncertainties like variable ocean currents, this research establishes the AUV’s kinematics and dynamics models and formulates the tracking error within the Frenet–Serret coordinate system. The kinematic controller is designed through the line-of-sight method and the backstepping method, and the dynamic controller is developed using the nonlinear disturbance observer and the integral sliding mode control method. Furthermore, an ocean current observer is developed for the real-time estimation of current velocities, thereby mitigating the effects of ocean currents on navigational performance. Theoretical analysis confirms the system’s asymptotic stability, while numerical simulation attests to the proposed method’s efficacy and robustness in 3D path following.

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Three-Dimensional Path Following Control for Underactuated AUV Based on Ocean Current Observer

He,

Zhang,

et al. 2024

Drones

View full text Add to dashboard Cite

show abstract

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Three-Dimensional Path Following Control of Underactuated AUV Based on Nonlinear Disturbance Observer and Adaptive Line-of-Sight Guidance

Cited by 1 publication

References 35 publications

Three-Dimensional Path Following Control for Underactuated AUV Based on Ocean Current Observer

Three-Dimensional Path Following Control for Underactuated AUV Based on Ocean Current Observer

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