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Wireless sensor networks (WSNs) have been widely used in industrial systems. Industrial systems demand a high degree of reliability and real-time requirements in communications. In many industrial WSNs applications, flows with different levels of criticality coexist in the system. When errors or exceptions occur, high-criticality flows must be guaranteed reliably and in real time. However, only a...
Industrial systems demand high degree of reliability and real-time requirements in communications. To meet the stringent real-time performance requirements of control systems, there is a critical need for estimation system schedulability before system running. Concerning this issue, in this paper, we propose a supply/demand bound function analysis approach based on earliest deadline first scheduling...
A co-design of sampling rate scheduling and optimal control is investigated for networked control systems (NCSs) with transmission delay and packet loss. The basic purpose of proposed co-design scheme is to save substantial communication in both the sensor-to-controller channels and the controller-to-actuator channels, while guaranteeing optimal control performance of NCSs. Firstly, a switched systems...
Cluster-based architecture is a widely and deeply studied network architecture used in wireless sensor networks. With enough available channels and proper channel assignment policy, clusters using the same channel can be separated distant enough to avoid interference from each other. In each such cluster, the traffic demand usually exists only between the cluster head and the end nodes. We refer to...
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