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In our previous work, a node self-localization algorithm based on virtual central node (VCN) for wireless sensor network (WSN) is proposed. This method is adapted to WSN that anchor nodes present a uniform distribution in three dimensional spaces. During the localization process, by deducing a 3D special node, which is called virtual central node, unknown nodes can compute their own positions automatically...
Production split and merge are widely used in many manufacturing systems to increase production capacity and variety, improve product quality, and carry out scheduling and control activities. In this paper, we present analytical methods to analyze such systems with exponential machine reliability models, operating under circulate, strictly circulate, priority and percentage split/merge policies.
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