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In this paper, a virtual dynamic model using ADAMS, considering the effects of the mesh stiffness, mesh damping, load inertia, drive ratio and gear backlash is presented for a space manipulator joint. A kind of virtual sweep method is adopted to analyze the resonant frequency of the joint quantitatively and mesh stiffness and load inertia are proposed the key influence factors of frequency property...
A local area control SIS model based on 2 dimension regular network is proposed. The process of virus spreading is studied in 2 dimension regular network under local area control. The research suggests that with the span of local area control increases, the stable infected proportion to reduce. The theoretical analysis and analog simulation shows that there is a critical value in the model. Only when...
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