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Title: Fuzzy adaptive interactive algorithm design for marine dynamic positioning system under unexpected impacts of Vietnam Sea
Authors: Do, V-D
Dang, X-K
Keywords: Dynamic positioning;Environment;Fuzzy adaptive interactive;Model;Supply vessel;Wave impact
Issue Date: Nov-2020
Publisher: NISCAIR-CSIR, India
Abstract: The factors which affect vessel motion mainly come from environmental influences. In the actual conditions, each of the oceans will exhibit different characteristics. This paper aims todevelop a fuzzy adaptive interactive (FAI) algorithm for the marine dynamic positioning system (DPs) under unexpected impacts of the Vietnam Sea. The response error ξ between the ideal model and the actual model helps to estimate more accurately the variation amplitude caused by nonlinear components. Based on the response error ξ, the control signal of actual model which is adjusted suitably to the ideal model proceeds the DPs maintain the vessel in a position under the environmental conditions of Vietnam Sea. On the other hand, the impact parameters are explored by the actual conditions to increase the reliability of the proposed solution. Simulation results of the FAI are evaluated in comparison with other methods such as fuzzy. The FAI performs the desired response of DPs better than other in two case studies, that proved the effective for the proposed controller.
Page(s): 1764-1771
ISSN: 2582-6727 (Online); 2582-6506 (Print)
Appears in Collections:IJMS Vol.49(11) [November 2020]

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