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Title: A robust controller design method and stability analysis of an underactuated underwater vehicle

Creator:

Chin, Cheng Siong ; Lau, Micheal Wai Shing ; Low, Eicher ; Seet, Gerald Gim Lee

Date:

2006

Resource Type:

artykuł

Contributor:

Korbicz, Józef (1951- ) - red. ; Uciński, Dariusz - red.

Group publication title:

AMCS, Volume 16 (2006)

Abstract:

The problem of designing a stabilizing feedback controller for an underactuated system is a challenging one since a nonlinear system is not stabilizable by a smooth static state feedback law. A necessary condition for the asymptotical stabilization of an underactuated vehicle to a single equilibrium is that its gravitational field has nonzero elements corresponding to unactuated dynamics. However, global asymptotical stability (GAS) cannot be guaranteed. ; In this paper, a robust proportional-integralderivative (PID) controller on actuated dynamics is proposed and unactuated dynamics are shown to be global exponentially bounded by the S?rdalen lemma. This gives a necessary and sufficient condition to guarantee the global asymptotic stability (GAS) of the URV system. ; The proposed method is first adopted on a remotely-operated vehicle RRC ROV II designed by the Robotic Research Centre in the Nanyang Technological University (NTU). Through the simulation using the ROV Design and Analysis toolbox (RDA) written at the NTU in the MATLAB/SIMULINK environment, the RRC ROV II is robust against parameter perturbations.

Publisher:

Zielona Góra: Uniwersytet Zielonogórski

Resource Identifier:

oai:zbc.uz.zgora.pl:57544

Pages:

345-356

Source:

AMCS, volume 16, number 3 (2006) ; click here to follow the link

Language:

eng

Rights:

Biblioteka Uniwersytetu Zielonogórskiego

Subject and keywords:

underwater vehicle underactuated stabilizable robust controller simulation

Object collections:

Last modified:

Nov 5, 2024

In our library since:

Aug 26, 2020

Number of object content hits:

119

All available object's versions:

https://zbc.uz.zgora.pl/repozytorium/publication/64104

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A robust controller design method and stability analysis of an underactuated underwater vehicle Nov 5, 2024

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