Journal
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
Volume 48, Issue 12, Pages 2115-2125Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2017.2735995
Keywords
Gath-Geva (GG) fuzzy segmentation; real-time prediction; sequential learning; ship motion prediction
Funding
- National Natural Science Foundation of China [51009017, 51379002]
- Fund for Dalian Distinguished Young Scholars [2016RJ10]
- Innovation Support Plan for Dalian High-Level Talents [2015R065]
- Fundamental Research Funds for the Central Universities [3132016314, 3132016322]
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A ship roll prediction scheme is proposed using an adaptive sliding data window (SDW), which is designed to represent time-varying nonlinear dynamics of ship roll motion. The adjustment of SDW is realized by developing an improved fuzzy Gath-Geva (IFGG) segmentation approach, which detects the changes of system dynamics and thereby automatically adapting the scale of SDW. By virtue of the learning scheme with an adaptive SDW, the variable-structure radial basis function network is constructed sequentially to online predict ship roll dynamics. Experimental studies on online ship roll prediction are conducted on measured data from YuKun's full-scale sea trial. Results demonstrate the remarkable predictive accuracy of the proposed ship roll prediction model as well as the effectiveness of the IFGG-based SDW in terms of representing time-varying dynamics.
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