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网络控制系统的最优通信和控制的协同设计
Optimal Communication and Control Co-Design of Networked Control System
【摘要】 本文研究网络控制系统的最优化通信和控制的协同设计问题.在传感器存取通信媒质的p-to-w_σ通信序列和执行器存取通信媒质的m-to-w_ρ通信序列下,网络控制系统的被控对象是一个周期时变的系统.采用提升技术将线性周期时变的系统变换为线性时不变系统,将线性周期时变系统的线性二次型性能指标变换为线性时不变系统的线性二次型性能指标.给出了通信和控制协同设计的网络控制系统的最优状态反馈控制律和最优输出反馈控制律.
【Abstract】 Optimal communication and control co-design of networked control system are studied in the paper.In p-to-w_σcommunication sequence where sensors access communication medium and m-to-w_ρcommunication sequence where actuators access communication medium,the controlled object of the networked control system acts as a linear periodic time-varying system.Using lifting technology,the linear periodic time-varying system is converted to a linear periodic time-invariant system,and the linear quadratic performance index of the linear periodic time-varying system is converted to that of a linear periodic time-invariant system.The laws of optimal state feedback control and optimal output feedback control are given.
【Key words】 networked control system(NCS); lifting technology; linear quadratic performance index; optimal state feedback control; optimal output feedback control;
- 【文献出处】 信息与控制 ,Information and Control , 编辑部邮箱 ,2009年02期
- 【分类号】TP273.5
- 【被引频次】1
- 【下载频次】222