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中文摘要：
针对快速转向操纵问题，基于饱和局部分析方法，将不确定非线性船舶动力学模型化为线性微分包含模型，设计饱和线性状态反馈控制规律，通过求解一组线性矩阵不等式约束下的凸优化问题，得到反馈增益矩阵。首次采用线性微分包含方法进行船舶转向控制器设计，其控制规律不仅易于工程实现，且应用于船舶转向控制的仿真结果表明，转向快速平稳、无超调，施舵合理，对不确定的水动力非线性项具有鲁棒性。
英文摘要：
For the rapid course-changing problem, based on the local analysis method of the saturation nonlinearity, the uncertain nonlinear ship dynamics model was transformed into a linear differential inclusion model. The linear saturating feedback control law was designed, and the feedback gain matrix was obtained by solving a convex programming problem subject to linear matrix inequality constraints. The ship course-changing controller was designed firstly by the linear differential inclusion, which not only was easy to implement in engineering, but also, as demonstrated by the ship course-changing simulation results, achieved fast steady course-changing maneuvers without overshoot, fit steering and the strong robustness with respect to the uncertain nonlinear water dynamics term.
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Research on the application of the improved Hilbert-Huang transform in electromagnetic radiation mea
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