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基于动态调度的网络化系统最优H_∞控制 被引量：1

Optimal H_∞ Control of Networked Systems Based on Dynamic Scheduling
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摘要 针对通信受限的网络化控制系统,设计了一种基于动态通信调度的最优H∞控制器.首先,利用通信矩阵和指标函数将网络化闭环控制系统建模为具有多个子系统的离散切换系统.然后,基于李亚普诺夫稳定理论导出系统的模式相关型鲁棒镇定充分条件,并设计了相应的输出反馈控制器;随后,借助切换系统分析方法,给出了基于实时状态的动态通信调度策略,实现了网络化控制系统的镇定控制.最后通过仿真验证了所提出方法的有效性. A new approach to design optimal H∞controller based on dynamic scheduling is proposed for networked control systems with communication constraints. The closed-loop networked control system is modeled as a discrete-time switched system with several subsystems by using communication matrixes and indicator function. Based on Lyapunov stability theory, sufficient conditions of mode-dependent robust stabilization are derived and an output feedback controller for networked control system is designed. By applying analysis method of switched system, a dynamic scheduling policy is designed based on real-time status to achieve the stabilization of networked control system. Finally, an illustrative example is provided to demonstrate the effectiveness of the proposed method.
作者 祝超群 郭戈
机构地区 大连海事大学信息科学技术学院
出处 《信息与控制》 CSCD 北大核心 2013年第6期735-741,749,共8页 Information and Control
基金 国家自然科学基金资助项目(60974013 61174060 61273107) 中央高校基础研究基金资助项目(2009JC11)
关键词 网络化控制系统 访问约束 最优H∞控制 动态调度 networked control system access constraint optimal H∞ control dynamic scheduling
分类号 TP18 [自动化与计算机技术—控制理论与控制工程]
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参考文献21

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二级参考文献46

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信息与控制
2013年 第6期

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