An Improved Stabilization Method for Sampled-Data Control Systems With Control Packet Loss

An Improved Stabilization Method for Sampled-Data Control Systems With Control Packet Loss
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具有控制丢包的采样数据控制系统的改进稳定方法

DOI:
10.1109/tac.2012.2184629
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发表时间:
2012-01
影响因子:
6.8
通讯作者:
Zheng Wei Xing
Zheng Wei Xing
中科院分区:
计算机科学2区
文献类型:
--
作者:
Chen Wu-Hua;Zheng Wei Xing

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本文提出了一种新的分析和镇定控制丢包采样数据系统的方法。假设如果从控制器到执行器的控制分组丢失,则将对象的执行器输入设置为零。新方法基于一种新的分段可微Lyapunov泛函的构造,该方法利用采样数据系统的脉冲系统表示。新的Lyapunov泛函的一个重要特征是它们在脉冲时间连续,但在脉冲区间内不一定是正定的。将新的Lyapunov泛函应用于具有控制包丢失的采样数据系统,得到了改进的稳定性和镇定准则。从理论上证明了新准则比现有结果不那么保守。文中给出了算例,证明了该方法的有效性。
This technical note presents a new method for stability analysis and stabilization of sampled-data systems with control packet loss. It is assumed that if the control packet from the controller to the actuator is lost, then the actuator input to the plant is set to zero. The new method is based on a novel construction of piecewise differentiable Lyapunov functionals by using an impulsive system representation of sampled-data systems. A significant feature of the new Lyapunov functionals is that they are continuous at impulse times but not necessarily positive definite inside the impulse intervals. Applying the new Lyapunov functionals to sampled-data systems with control packet loss, improved criteria for stability and stabilization are derived. The new criteria are proved theoretically to be less conservative than the existing results. Illustrative examples are given which substantiate the usefulness of the proposed method.
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发表时间: 2009-10-01
影响因子: 6.8
作者:
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