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| 一类离散不确定时滞系统的输出反馈变结构控制 | |
| 引用本文： | 颜闽秀,井元伟,何友国. 一类离散不确定时滞系统的输出反馈变结构控制[J]. 控制与决策, 2009, 24(4)-502 |
| 作者姓名： | 颜闽秀 井元伟 何友国 |
| 作者单位： | 1. 沈阳化工学院,信息工程学院,沈阳,110042;东北大学,信息科学与工程学院,沈阳,110004 2. 东北大学,信息科学与工程学院,沈阳,110004 3. 沈阳化工学院,信息工程学院,沈阳,110042 |
| 摘 要： | 针对一类离散不确定时滞系统,提出一种输出反馈变结构控制算法,该算法使系统状态无需完全可测.通过研究离散不确定时滞系统的简约型,基于LMI技术给出了滑模平面的设计方法,推导出了稳定的滑模面存在的充分条件,并将参数不确定性的影响等效为名义时滞系统的外界干扰,利用时延技术对干扰进行在线估计,从而抵消掉系统中的不确定性.采用离散趋近律的方法设计控制律,并通过仿真算例验证了所提出算法的有效性. |
| 关 键 词： | 离散时滞系统 输出反馈 不确定 变结构 线性矩阵不等式 |
| 收稿时间： | 2008-02-25 |
| 修稿时间： | 2008-07-30 |
Output feedback variable structure control for a class of discrete uncertain systems with time-delay |
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| YAN Min-xiu,JING Yuan-wei,HE You-guo. Output feedback variable structure control for a class of discrete uncertain systems with time-delay[J]. Control and Decision, 2009, 24(4)-502 | |
| Authors: | YAN Min-xiu JING Yuan-wei HE You-guo |
| Affiliation: | 1.College of Information Engineering;Shenyang Institute of Chemical Technology;Shenyang 110042;China;2.College of Information Science and Engineering;Northeastern University;Shenyang 110004;3.Faculty of Information Engineering;Shenyang University;Shenyang 110044;China. |
| Abstract: | For a class of discrete uncertain system with time-delay, an output feedback variable structure control algorithm is proposed, which does not need to full observe the system states by employing the algorithm. By studying nonsingular transform of the system, the sliding surface is designed based on linear matrix inequality (LMI) technique. The sufficient condition for the existence of stable sliding surface is gained. In addition, the influence of parameter uncertainties in system is equivalent to exterior d... |
| Keywords: | Discrete system with time-delay Output feedback Uncertain Variable structure control Linear matrix inequalities |
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