Autonomous underwater vehicle positioning control : a velocity form LPV-MPC approach

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Jimoh, Isah A. and Yue, Hong and Küçükdemiral, Ibrahim B.; Ishii, Hideaki and Ebihara, Yoshio and Imura, Jun-ichi and Yamakita, Masaki, eds. (2023) Autonomous underwater vehicle positioning control : a velocity form LPV-MPC approach. In: 22nd IFAC World Congress. IFAC-PapersOnLine, 56-2 . International Federation of Automatic Control (IFAC), JPN, pp. 4388-4393. (https://doi.org/10.1016/j.ifacol.2023.10.1820)

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Abstract

In this work, the positioning control of an autonomous underwater vehicle (AUV) is considered for docking operations in the presence of varying tidal currents. The AUV model is described by a dynamic model and a kinetic model, both are linear parameter varying (LPV). A velocity form LPV model predictive control (LPV-MPC) scheme is proposed, in which the AUV dynamic model is used for the states and the kinetic model is used for the output. The interdependence of AUV kinematic model and dynamic model is exploited to avoid increased state dimension. The complete velocity form controller design enables the cancellation of disturbance effects through the use of the AUV's velocity vector increment for predicting the future evolution of the system. Compared to the original predictive control for the Naminow-D AUV that uses a time-varying Kalman filter for state estimation to approximate disturbances, the proposed algorithm does not require an estimator to eliminate unknown current disturbance, therefore simplifies design and implementation. Simulation studies show the merit of the proposed controller over the original Naminow-D predictive controller especially in terms of improved transient response and reduced sensitivity to time-varying external disturbances.

ORCID iDs

Jimoh, Isah A. ORCID logoORCID: https://orcid.org/0000-0002-4931-9106, Yue, Hong ORCID logoORCID: https://orcid.org/0000-0003-2072-6223 and Küçükdemiral, Ibrahim B.; Ishii, Hideaki, Ebihara, Yoshio, Imura, Jun-ichi and Yamakita, Masaki
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