Non-Fragile Exponential H∞ Control for a Class of Nonlinear Networked Control Systems With Short Time-Varying Delay via Output Feedback Controller
研究了一类具有短时变时延和随机不确定性的非线性网络化控制系统的非脆弱指数H∞控制问题，提出了基于输出反馈的控制设计方法，并通过三个例子验证了方案的正确性。
This paper investigates non-fragile exponential H∞ control problems for a class of uncertain nonlinear networked control systems (NCSs) with randomly occurring information, such as the controller gain fluctuation and the uncertain nonlinearity, and short time-varying delay via output feedback controller. Using the nominal point technique, the NCS is converted into a novel time-varying discrete time model with norm-bounded uncertain parameters for reducing the conservativeness. Based on linear matrix inequality framework and output feedback control strategy, design methods for general and optimal non-fragile exponential H∞ controllers are presented. Meanwhile, these control laws can still be applied to linear NCSs and general fragile control NCSs while introducing random variables. Finally, three examples verify the correctness of the presented scheme.