期刊
IEEE CONTROL SYSTEMS LETTERS
卷 7, 期 -, 页码 715-720出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCSYS.2022.3221783
关键词
Unmanned underwater vehicle; interval observer; H-infinity approach
This letter addresses the problem of interval velocity estimation for unmanned underwater vehicles subject to multiple model uncertainties. An adaptive mechanism is introduced to handle large initial bounds on uncertainties. The H-infinity approach is utilized in the design of an interval observer to minimize the impact of uncertainties. Linear matrix inequalities are formulated as sufficient design conditions. Simulation results demonstrate the effectiveness of the proposed method.
This letter addresses the problem of interval velocity estimation for unmanned underwater vehicles subject to multiple model uncertainties. We extend our previous works to the case of large initial bounds on uncertainties by introducing an adaptive mechanism. For improving the accuracy of interval estimation, H-infinity approach is used in the design of interval observer to attenuate the effect of uncertainties. Sufficient design conditions are formulated as a set of linear matrix inequalities. Simulation results demonstrate the effectiveness of the proposed method.
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