针对无线传感器/执行器网络(Wireless Sensor and Actuator Networks,WSANs)中执行器控制域的数据收集问题,提出了一种基于执行器控制域的分布式数据收集协议(DG-ACD协议).DG-ACD协议从能量有效性和数据融合的角度,提出了执行器控制域...针对无线传感器/执行器网络(Wireless Sensor and Actuator Networks,WSANs)中执行器控制域的数据收集问题,提出了一种基于执行器控制域的分布式数据收集协议(DG-ACD协议).DG-ACD协议从能量有效性和数据融合的角度,提出了执行器控制域内传感器节点的中继代价函数,并以执行器节点为中心,采用发射功率分级递进的路由建立方式,为控制域内的每个传感器节点寻找其到达执行器节点的中继节点,从而实现对执行器控制域内传感器节点的聚集和数据收集.实验仿真结果表明,网络中节点(包括执行器节点)部署完成后,DG-ACD协议能有效地将网络中的传感器节点聚集到相应的执行器节点,并在数据收集的能量有效性、实时性和稳定性上均有良好表现.展开更多
The problem of the stability analysis and controller design which the network-induced delays and data dropout problems network-induced delays are assumed to be time-varying and bounded, for Lurie networked control sys...The problem of the stability analysis and controller design which the network-induced delays and data dropout problems network-induced delays are assumed to be time-varying and bounded, for Lurie networked control systems （NCSs） is investigated, in are simultaneously considered. By considering that the and analyzing the relationship between the delay and its upper bound, employing a Lyapunov-Krasovskii function and an integral inequality approach, an improved stability criterion for NCSs is proposed. Furthermore, the resulting condition is extended to design a less conservative state feedback controller by employing an improved cone complementary linearization （ICCL） algorithm. Numerical examples are provided to show the effectiveness of the method.展开更多
文摘针对无线传感器/执行器网络(Wireless Sensor and Actuator Networks,WSANs)中执行器控制域的数据收集问题,提出了一种基于执行器控制域的分布式数据收集协议(DG-ACD协议).DG-ACD协议从能量有效性和数据融合的角度,提出了执行器控制域内传感器节点的中继代价函数,并以执行器节点为中心,采用发射功率分级递进的路由建立方式,为控制域内的每个传感器节点寻找其到达执行器节点的中继节点,从而实现对执行器控制域内传感器节点的聚集和数据收集.实验仿真结果表明,网络中节点(包括执行器节点)部署完成后,DG-ACD协议能有效地将网络中的传感器节点聚集到相应的执行器节点,并在数据收集的能量有效性、实时性和稳定性上均有良好表现.
基金Project(61025015)supported by the National Natural Science Foundation of China for Distinguished Young ScholarsProject (IRT1044)supported by the Program for Changjiang Scholars and Innovative Research Team in University of China+2 种基金Projects(61143004,61203136,61074067,61273185)supported by the National Natural Science Foundation of ChinaProjects(12JJ4062,11JJ2033)supported by the Natural Science Foundation of Hunan Province,ChinaProject(12C0078)supported by Hunan Provincial Department of Education,China
文摘The problem of the stability analysis and controller design which the network-induced delays and data dropout problems network-induced delays are assumed to be time-varying and bounded, for Lurie networked control systems （NCSs） is investigated, in are simultaneously considered. By considering that the and analyzing the relationship between the delay and its upper bound, employing a Lyapunov-Krasovskii function and an integral inequality approach, an improved stability criterion for NCSs is proposed. Furthermore, the resulting condition is extended to design a less conservative state feedback controller by employing an improved cone complementary linearization （ICCL） algorithm. Numerical examples are provided to show the effectiveness of the method.
