This study researches the H_(∞) control issue for a networked Markovian jump system with data packet loss occurring not only in the channel from sensor to controller but also in the channel from controller to actuato...This study researches the H_(∞) control issue for a networked Markovian jump system with data packet loss occurring not only in the channel from sensor to controller but also in the channel from controller to actuator via an observer.The mathematical model for the closed‐loop networked Markovian jump system with data packet loss is established.The necessary and sufficient conditions for the closed‐loop system to be stochastically stable are derived.The design approach of the controller and the minimal performance index of the external disturbance suppression are also given in the case that the transition possi-bilities of the system modes and the data packet loss are both partially unavailable.Finally,two numerical examples are used to illustrate the effectiveness of the proposed method.展开更多
近年来,随着医院信息化的迅猛发展,尽管为医院工作带来了便利,但同时带来了网络安全隐.患。网络控制系统(Network Control Systems,NCS)具有成本低、便于创建和维护.灵活性强、便于系统故障诊断等优势,成为一种备受关注的网絡安全隐患...近年来,随着医院信息化的迅猛发展,尽管为医院工作带来了便利,但同时带来了网络安全隐.患。网络控制系统(Network Control Systems,NCS)具有成本低、便于创建和维护.灵活性强、便于系统故障诊断等优势,成为一种备受关注的网絡安全隐患消除方案。在利用网絡控制系统維持网絡稳定的过程中,面临时滞、数据丢包、数据包时序错乱等问题,这些实际应用中不可避免的情况使得网絡控制系统的分析和设计变得异常复杂。文章主要研究了网络控制系统的模型建立、稳定性分析以及控制器设计等问题,同时通过进行仿真实验,验证了所得到的理论结果的可行性和有效性。展开更多
随着传感、信号处理和通信技术的快速发展,关于网络控制系统(Networked control systems,NCSs)的研究引起了极大的关注.本文拟回顾关于网络控制系统的最新研究进展.为揭示反馈通信网络对控制系统的影响,主要讨论了为满足不同控制目的所...随着传感、信号处理和通信技术的快速发展,关于网络控制系统(Networked control systems,NCSs)的研究引起了极大的关注.本文拟回顾关于网络控制系统的最新研究进展.为揭示反馈通信网络对控制系统的影响,主要讨论了为满足不同控制目的所需的各种网络条件,例如:在时变信道的环境下,保证线性系统可镇定性所需的最低编码率;在间断观测的环境下,保证卡尔曼滤波器稳定性的临界丢包条件;在时不变连接图的环境下,达到线性多自主体系统趋同性所需的网络拓扑结构;在通信资源有限的情况下,基于事件驱动的采样与控制方法等.展开更多
基金National Natural Science Foundation of China,Grant Numbers:11705122,61573137Zhejiang Public Welfare Technology Research Project,Grant Number:LGG19F030004+3 种基金Huzhou Public Welfare Application Research Project,Grant Number:2019GZ02General Research Project of Zhejiang Provincial Department of Education,Grant Number:Y202044896Sichuan Science and Technology Program of China,Grant Number:2020YFH0124Zigong Key Science and Technology Project of China,Grant Number:2020YGJC01。
文摘This study researches the H_(∞) control issue for a networked Markovian jump system with data packet loss occurring not only in the channel from sensor to controller but also in the channel from controller to actuator via an observer.The mathematical model for the closed‐loop networked Markovian jump system with data packet loss is established.The necessary and sufficient conditions for the closed‐loop system to be stochastically stable are derived.The design approach of the controller and the minimal performance index of the external disturbance suppression are also given in the case that the transition possi-bilities of the system modes and the data packet loss are both partially unavailable.Finally,two numerical examples are used to illustrate the effectiveness of the proposed method.
文摘近年来,随着医院信息化的迅猛发展,尽管为医院工作带来了便利,但同时带来了网络安全隐.患。网络控制系统(Network Control Systems,NCS)具有成本低、便于创建和维护.灵活性强、便于系统故障诊断等优势,成为一种备受关注的网絡安全隐患消除方案。在利用网絡控制系统維持网絡稳定的过程中,面临时滞、数据丢包、数据包时序错乱等问题,这些实际应用中不可避免的情况使得网絡控制系统的分析和设计变得异常复杂。文章主要研究了网络控制系统的模型建立、稳定性分析以及控制器设计等问题,同时通过进行仿真实验,验证了所得到的理论结果的可行性和有效性。
文摘随着传感、信号处理和通信技术的快速发展,关于网络控制系统(Networked control systems,NCSs)的研究引起了极大的关注.本文拟回顾关于网络控制系统的最新研究进展.为揭示反馈通信网络对控制系统的影响,主要讨论了为满足不同控制目的所需的各种网络条件,例如:在时变信道的环境下,保证线性系统可镇定性所需的最低编码率;在间断观测的环境下,保证卡尔曼滤波器稳定性的临界丢包条件;在时不变连接图的环境下,达到线性多自主体系统趋同性所需的网络拓扑结构;在通信资源有限的情况下,基于事件驱动的采样与控制方法等.
