期刊
ISA TRANSACTIONS
卷 58, 期 -, 页码 186-195出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.isatra.2015.04.004
关键词
Ship modelling; Multi-innovation identification; 4 degrees of freedom motions; Full-scale trial
资金
- National Natural Science Foundation of China [51109020, 61473183, 61221003]
- Fundamental Research Funds for the Central University [2014YB01, 3132014302]
This research is concerned with the problem of 4 degrees of freedom (DOF) ship manoeuvring identification modelling with the full-scale trial data. To avoid the multi-innovation matrix inversion in the conventional multi-innovation least squares (MILS) algorithm, a new transformed multi-innovation least squares (TMILS) algorithm is first developed by virtue of the coupling identification concept. And much effort is made to guarantee the uniformly ultimate convergence. Furthermore, the auto-constructed TMILS scheme is derived for the ship manoeuvring motion identification by combination with a statistic index. Comparing with the existing results, the proposed scheme has the significant computational advantage and is able to estimate the model structure. The illustrative examples demonstrate the effectiveness of the proposed algorithm, especially including the identification application with full-scale trial data. (C) 2015 ISA. Published by Elsevier Ltd. All rights reserved.
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