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Repeated bending occurs toward the direction of rail head and rail base during the cooling which can lead to significant bending deformation and residual stress after cooling. The longer the rail is, the more obvious this phenomenon is. In addition to cooling function, a kind of cooling bed with a pre-bending process is used in order to solve this problem on 100m rail. The synchronous movements on...
In the routing design of the wireless sensor networks, how to balance the energy consumption of the entire network to extend the life span throughout the network is a key issue. Based on the genetic ant colony algorithm, this paper proposed a design of the energy-saving, clustered routing protocol. Considering of the energy situations of the nodes, their relative positions and the energy load balancing...
Self-localization is a key function in wireless sensor networks (WSNs). Many applications and internal mechanisms require nodes to know their location. Based on two different application environments and from the view of anchor nodes density, this paper proposes two new algorithms for distributed cooperative localization: Centroid-based with Preplaced Beacon Localization and Centroid-based with Scalable...
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