摘要
针对一类参数变化速率有界的多胞型变参数系统,研究其网络化状态反馈镇定问题.首先给出有界参数变化速率的多胞描述方法;在此基础上考虑网络传输所导致的系统状态时延,基于参数依赖Lyapunov-Krasovskii泛函方法和松弛矩阵处理技巧,得到网络化鲁棒控制器设计准则;进一步考虑网络时延所诱发的控制器与对象参数异步现象,给出网络化变增益控制器求解条件,降低了设计准则的保守性;最后通过数值仿真验证了所提方法的有效性.
We study the problem of networked state feedback stabilization for a class of polytopic parameter-varying systems with the bounded rates of parameter variations, and then introduce a polytope modeling method so that the parameter variation rates take values from a vector polytope. Considering the state transmission delay, we obtain the design criterion of the networked robust controller based on the parameter-dependent Lyapunov-Kra- sovskii functional method and the slack matrix technique. Furthermore, with the phenomenon of parameter asynehrony between the plant and the controller, we give the synthesis condition of the networked gain-scheduled controller, which qualifies relatively lower conservativeness. Numerical simulations illustrate the effectiveness of the proposed method.
出处
《信息与控制》
CSCD
北大核心
2014年第4期440-446,共7页
Information and Control
基金
国家自然科学基金资助项目(61074027
61273083)