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Like wireless sensor networks, lifetime of sensors is the main constraint for performance of underwater acoustic sensor networks (UASNs). Most previous works on UASNs did not consider dynamics of networks, i.e., as time goes by, in practice, part of sensors may be malfunctioned, deplete their battery power, or get lost due to violent underwater environment changes. Therefore, this paper considers...
Rail transit is a typical Cyber-physical Systems (CPS). The study of urban rail transit CPS was carried out with the introduction of CPS into the urban rail transit system. Based on the analysis of CPS, the fundamental architecture of urban rail transit CPS was designed and the functions of corresponding layers were explained. The system model of urban rail transit CPS was proposed. The functions...
In the industry, effectively improve the speed of production management and troubleshooting information quickly and efficiently share representatives do have better productivity, and thus may bring more cash flow. Except for the Storage and Cloud Computing concept of Cloud Platform, this paper provided new point about sharing issue. A good share resources available way to multinationals, can successfully...
In order to satisfy the family needs of ECG monitor, this article proposed a design scheme of ECG monitoring system based on wireless sensor network. It constructed a WSN (wireless sensor network) by sensor node and coordinator node. The ECG data was transmitted from sensor node to coordinator node. Then the data would be transmitted by serial interface to PC. To facilitate operation and observation...
In this paper, we put forward a model of multi-agent based on intrusion detection system for wireless sensor networks, and a new method of detection called refined clustering, which is suggested running on some agents. In this new method we use self-organizing map (SOM) neural network to cluster roughly the samples, and the next step the K-means clustering algorithm is adopted to refine the clustering...
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