| 一类受持续扰动的非线性时滞系统的扰动抑制 |
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| 引用本文： | 高洪伟,唐功友.一类受持续扰动的非线性时滞系统的扰动抑制[J].中国海洋大学学报(自然科学版),2011,41(9):103-108. |
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| 作者姓名： | 高洪伟 唐功友 |
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| 作者单位： | 1. 青岛农业大学机电工程学院,山东青岛,266109
2. 中国海洋大学信息科学与工程学院,山东青岛,266100 |
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| 基金项目： | 国家自然科学基金项目(60574023,40776051); 山东省自然科学基金重点项目(Z2005G01); 青岛农业大学高层次人才启动基金项目(630805)资助 |
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| 摘 要： | 研究一类受已知动态特性的外部扰动作用的非线性时滞系统的扰动抑制问题。基于内模原理构造能够抵消扰动影响的伺服补偿器,然后利用极大值原理及灵敏度法设计带有补偿器的最优控制律,使得系统在无扰动作用时以1种最优方式运行,而有扰动作用时,控制律能够消除扰动引起的稳态误差,实现无静差扰动抑制。最后,通过仿真算例验证提出算法的有效性。
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| 关 键 词： | 非线性时滞系统 内模原理 最优控制 扰动抑制 灵敏度法 |
Disturbance Rejection for a Class of Nonlinear Time-Delay Systems with Persistent Disturbances |
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| GAO Hong-Wei,TANG Gong-You.Disturbance Rejection for a Class of Nonlinear Time-Delay Systems with Persistent Disturbances[J].Periodical of Ocean University of China,2011,41(9):103-108. |
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| Authors: | GAO Hong-Wei TANG Gong-You |
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| Institution: | GAO Hong-Wei1,TANG Gong-You2(1.College of Mechanical and Electronic Engineering,Qingdao Agricultural University,Qingdao 266109,China,2.College of Information Science and Engineering,Ocean University of China,Qingdao 266100,China) |
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| Abstract: | This paper is concerned with the disturbance rejection problem for nonlinear systems with time-delay affected by additive persistent disturbances with known dynamic characteristics.In order to achieve a zero steady-state error disturbance rejection,a disturbance compensator is constructed based on the internal model principle.Then,an optimal control law with a compensation term is designed by the maximum principle and the sensitivity approach,which can realize the optimal control when the system has none di... |
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| Keywords: | nonlinear time-delay systems internal model principle optimal control disturbance rejection sensitivity approach |
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