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Rapid modeling and control sytems prototyping of a marine robotic vehicle with model uncertainties using xPC Target System

Lookup NU author(s): Dr Cheng Chin

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Abstract

Rapid control systems prototyping have been used to develop controllers for numerous applications. However, most methods are constrained by programming language, embedded systems configurations, and types of operating systems used. These constraints often make the modeling, control systems design and testing difficult to accomplish, and inflexible when dealing with complex mechatronics systems such as an underwater robotic vehicle (URV) before it has been fully developed. With the proposed xPC Target platform, dynamics of the URV including the hydrodynamics parameters can be experimentally determined, simulated and validated easily with computational fluid dynamic method. The experiment with a robust sliding-mode control of the autonomous underwater vehicle (AUV) using the dynamic model obtained is first shown. In the pool trials, the sliding-mode controller deems to be robust enough to control the top control surface angular position despite of the uncertainties in the hydrodynamic parameters obtained and the external disturbance during pool test.


Publication metadata

Author(s): Chin C, Lum SH

Publication type: Article

Publication status: Published

Journal: Ocean Engineering

Year: 2011

Volume: 38

Issue: 17-18

Pages: 2128-2141

Print publication date: 27/09/2011

Date deposited: 27/10/2011

ISSN (print): 0029-8018

ISSN (electronic): 1873-5258

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.oceaneng.2011.09.035

DOI: 10.1016/j.oceaneng.2011.09.035


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