基于迭代滑模的船舶动力定位非线性控制 |
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引用本文: | 陈海力,任鸿翔,杨柏丞,衣莹.基于迭代滑模的船舶动力定位非线性控制[J].上海海事大学学报,2020,41(3):31-35. |
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作者姓名: | 陈海力 任鸿翔 杨柏丞 衣莹 |
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作者单位: | 大连海事大学航海学院,辽宁大连 116026;大连农业农村发展服务中心海上执法船队,辽宁大连 116113 |
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基金项目: | 国家自然科学基金(51409033);国家高技术研究发展计划(“八六三”计划)(2015AA010504) |
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摘 要: | 针对存在外界干扰的船舶动力定位控制问题,提出一种简捷的迭代滑模控制算法。选择迭代滑模面,并将其与反步法结合,设计迭代滑模控制律。采用Lyapunov理论对系统的稳定性进行证明。将提出的控制算法与PID控制算法和传统反步滑模控制算法进行理论分析比较和仿真结果比较,结果表明迭代滑模控制算法具有超调小,收敛速度快,稳定性和鲁棒性好的优点。
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关 键 词: | 迭代滑模 Lyapunov理论 积分补偿 动力定位控制 反步法 |
收稿时间: | 2019/9/2 0:00:00 |
修稿时间: | 2020/1/22 0:00:00 |
Ship dynamic positioning nonlinear control based on iterative sliding mode |
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Institution: | dalian maritime university |
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Abstract: | For the dynamic positioning control issue of ships with external interference, a simple iterative sliding mode control algorithm is proposed. The iterative sliding mode surface is selected and combined with the backstepping technique to design the iterative sliding mode control law. Lyapunov theory is used to prove the stability of the system. Through the comparison of theoretical analysis and simulation results of the proposed control algorithm, the PID control algorithm and the traditional backstepping sliding mode control algorithm, it is shown that the iterative sliding mode control algorithm is of the advantages of small overshoot, fast convergence, good stability and robustness. |
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Keywords: | iterative sliding mode Lyapunov theory integral compensation dynamic positioning control backstepping technique |
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