论文部分内容阅读
研究了具有分布时延和扰动的网络控制系统H_∞优化控制问题.连续系统中的网络时延必须分开讨论.针对线性时不变被控对象,基于连续动态输出反馈控制器,建立了同时含有连续项和离散项的混合系统模型.利用Lyapunov-Krasovskii泛函,推导出系统可实现γ-次优H_∞镇定的充分条件.通过引入等式约束的方法将其转化为线性矩阵不等式,给出了系统H_∞次优控制器参数和扰动衰减度的求取方法,并将该系统H_∞最优控制问题转化为线性目标最小化问题.仿真算例说明了分析方法和结果是有效可行的.
The problem of H_∞ optimal control for networked control systems with distributed delays and perturbations is studied.The network delay in continuous systems must be discussed separately.For linear invariant controlled objects and based on continuous dynamic output feedback controller, The continuous terms and the discrete terms are obtained.The sufficient conditions for the system to achieve the γ-suboptimal H_∞ stabilization are derived by using the Lyapunov-Krasovskii functional.This method is transformed into a linear matrix inequality The method to get the parameter of H_∞ suboptimal controller and the decay degree of disturbance is obtained, and the H_∞ optimal control problem of the system is transformed into the linear target minimization problem. The simulation example shows that the analysis method and the result are effective and feasible.