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In this paper, we present a method to evaluate and optimize traffic patrol based on the generalized maximal covering model. We first build a criterion to evaluate how well a traffic patrol deployment is, and then we formulate an optimization problem for selecting optimal patrol centers from candidates. We show that the optimal patrol centers can be found by an algorithm derived from the method of...
Constrained spectral clustering (CSC) algorithms have shown great promise in significantly improving clustering accuracy by encoding side information into spectral clustering algorithms. However, existing CSC algorithms are inefficient in handling moderate and large datasets. In this paper, we aim to develop a scalable and efficient CSC algorithm by integrating sparse coding based graph construction...
Sneak circuit is a latent circuit path or condition that causes undesired function to occur at some certain conditions. Sneak circuit phenomena were found in resonant switched capacitor (RSC) converters. However, because of the complexity of the n-stage RSC converters, the sneak circuit paths are difficult to find out. To solve this problem, graph theory is used to analyze the sneak circuit paths...
Sneak circuit is an unexpected path that has been inadvertently designed into the system, it may lead to an unwanted or unintended action or inhibit a desired action under certain conditions. As the sneak circuit phenomena have been found in the step-down mode resonant switched capacitor (RSC) converter, this paper studies the other two fundamental RSC converters (i.e. step-up mode and inverse mode),...
Based on graph theory, this paper proposed a general method to analyze sneak circuit paths in n-stage resonant switched capacitor (RSC) converters. Firstly, the w-stage step-up RSC converter was simplified into the directed graph. Then all of the possible paths in the converter could be obtained by calculating the connection matrix. Based on the operating principle of RSC converter, the useless paths...
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