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基于脉冲切换控制的网络控制系统的镇定性

Stabilization of Networked Control Systems with Switching and Impulsive Controllers
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摘要 在网络控制系统的优化中,研究了离散时间域内带随机时延的网络控制系统的镇定性优化问题。首先将随机时延建模为一个马尔可夫链,然后在网络控制系统中引入模态依赖的脉冲切换控制器,建立了采用脉冲切换控制的网络控制系统模型。利用系统模型随机稳定性理论推导,得到使网络控制系统稳定的充分必要条件,并用迭代线性矩阵不等式方法求解了控制器,最后利用小车倒立摆做被控对象进行了数值仿真,仿真结果说明了控制方法的有效性。 This paper considers the stabilization problem for a class of networked control systems in the discrete- time domain with random delays. The network-induced delay is modeled as Markov chain and a mode-dependent switching and impulsive controller is introduced for the networked control systems. The necessary and sufficient conditions on the existence of stabilizing controllers are established. An iterative linear matrix inequality (LMI) approach is employed to calculate the state-feedback gains. A numerical example is provided to illustrate the effectiveness of the developed theoretical results.
作者 曲峰林 张青
出处 《计算机仿真》 CSCD 北大核心 2015年第5期306-310,共5页 Computer Simulation
基金 国家自然科学基金项目(61104127 61473338) 国家自然科学基金天元基金项目(11326194) 冶金工业过程系统科学湖北省重点实验室开放基金项目(Y201310) 武汉科技大学青年科技骨干培育计划项目(2012xz015)
关键词 网络控制系统 马尔可夫链 随机时延 镇定性 脉冲控制 Networked control systems Markov chain Random delay Stabilization Impulsive control
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