Event-triggered H∞ control for uncertain networked T-S fuzzy systems with time delay
Event-triggered H∞ control for uncertain networked T-S fuzzy systems with time delay
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DOI：
10.1016/j.neucom.2015.01.006
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发表时间：
2015-06
期刊：
影响因子：
6
通讯作者：
Huaicheng Yan;Tingting Wang;Hao Zhang;Hongbo Shi
中科院分区：
文献类型：
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作者：
Huaicheng Yan;Tingting Wang;Hao Zhang;Hongbo Shi
研究了一类具有时滞和不确定性的非线性网络控制系统的事件触发H∞控制器设计问题。将闭环网络控制系统建模为具有区间时变时延和事件触发通信策略的非线性系统，通过并行分布补偿（PDC）模糊控制规则考虑网络化T-S模糊模型中的不确定性。通过引入自由权矩阵来处理积分项，并将耦合时变矩阵不等式转化为解耦矩阵不等式，首次提出了一种新的时滞相关镇定准则。然后，利用矩阵不等式的方法，建立了事件触发网络化T-S模糊系统鲁棒渐近稳定性分析和控制综合的新判据。最后，一个数值例子是利用所提出的设计方法的有效性和适用性。
In this paper, the event-triggered H∞ controller design problem is investigated for nonlinear networked control systems (NCSs) with time delay and uncertainties. The closed-loop NCSs are modeled as a nonlinear system with an interval time-varying delay and event-triggered communication strategy, which consider uncertainties in the networked Takagi–Sugeno (T–S) fuzzy model by the parallel distributed compensation (PDC) fuzzy control rules. By introducing some free weighting matrices to deal with the integral items and converting the coupling time-varying matrix inequalities into a group of decoupling matrix inequalities, a new delay-dependent stabilization criterion is firstly presented. Then, some novel criteria for the robust asymptotic stability analysis and control synthesis of the event-triggered networked T–S fuzzy systems are established in terms of matrix inequalities. Finally, a numerical example is exploited to show the effectiveness and applicability of the proposed design approach.