Practical formation control of multiple underactuated ships with limited sensing ranges

This paper presents a constructive method to design cooperative controllers that force a group of N underactuated ships with limited sensing ranges to perform a desired formation, and guarantee no collisions between the ships. These ships do not have an independent actuator in the sway axis. The des...

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Main Author: Do, Khac Duc
Format: Journal Article
Published: 2011
Online Access:http://hdl.handle.net/20.500.11937/4523
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author Do, Khac Duc
author_facet Do, Khac Duc
author_sort Do, Khac Duc
building Curtin Institutional Repository
collection Online Access
description This paper presents a constructive method to design cooperative controllers that force a group of N underactuated ships with limited sensing ranges to perform a desired formation, and guarantee no collisions between the ships. These ships do not have an independent actuator in the sway axis. The desired formation is stabilized at any sufficiently smooth reference trajectories, including fixed points and nonadmissible trajectories for the ships. The formation control design is based on several nonlinear coordinate changes, the transverse function approach, the backstepping technique, the Lyapunov direct method, and smooth and p-times differentiable step functions. These functions are introduced and incorporated into novel potential functions to solve the collision avoidance problem without the need of switchings despite the ships' limited sensing ranges. Simulations illustrate the results. © 2011 Elsevier B.V. All rights reserved.
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spelling curtin-20.500.11937-45232017-09-13T14:44:36Z Practical formation control of multiple underactuated ships with limited sensing ranges Do, Khac Duc This paper presents a constructive method to design cooperative controllers that force a group of N underactuated ships with limited sensing ranges to perform a desired formation, and guarantee no collisions between the ships. These ships do not have an independent actuator in the sway axis. The desired formation is stabilized at any sufficiently smooth reference trajectories, including fixed points and nonadmissible trajectories for the ships. The formation control design is based on several nonlinear coordinate changes, the transverse function approach, the backstepping technique, the Lyapunov direct method, and smooth and p-times differentiable step functions. These functions are introduced and incorporated into novel potential functions to solve the collision avoidance problem without the need of switchings despite the ships' limited sensing ranges. Simulations illustrate the results. © 2011 Elsevier B.V. All rights reserved. 2011 Journal Article http://hdl.handle.net/20.500.11937/4523 10.1016/j.robot.2011.03.003 restricted
spellingShingle Do, Khac Duc
Practical formation control of multiple underactuated ships with limited sensing ranges
title Practical formation control of multiple underactuated ships with limited sensing ranges
title_full Practical formation control of multiple underactuated ships with limited sensing ranges
title_fullStr Practical formation control of multiple underactuated ships with limited sensing ranges
title_full_unstemmed Practical formation control of multiple underactuated ships with limited sensing ranges
title_short Practical formation control of multiple underactuated ships with limited sensing ranges
title_sort practical formation control of multiple underactuated ships with limited sensing ranges
url http://hdl.handle.net/20.500.11937/4523