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With the continuous expansion of the power system, security and stability of the power distribution network is particularly important. As the power distribution equipment's main insulation, heat-shrinkable material has caused great concern of the department of operation and maintenance. Based on plenty of experimental results of the heat-shrinkable material with different operating time, the elongation...
This paper presents a novel fault diagnosis model for oil-immersed power transformers based on dissolved gas analysis. The model is rooted on the theories of rough set and support vector machine. A fitness function based on attribute dependence is developed to identify fault features to improve classification accuracy of transformer fault samples by using Genetic Algorithm. To get improved classification...
Hierarchical key management schemes would serve well for military applications where the organization of the network is already hierarchical in nature. Most of the existing key management schemes concentrate only on network structures and key allocation algorithms, ignoring attributes of the nodes themselves. Due to the distributed and dynamic nature of MANETs, it is possible to show that there is...
In mobile ad hoc networks (MANETs), identity (ID)-based cryptography with threshold secret sharing is a popular approach for the key management design. Most previous work for key management in MANETs concentrates on the protocols and structures. How to optimally conduct node selection in ID-based cryptography with threshold secret sharing merits further investigation. In this paper, we propose a distributed...
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