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Complicated dynamic behavior of nonlinear Four degree-of-freedom (DOF) semi-vehicle model will happen under pavement roughness incentive. In this paper, the consecutive speed control humps (SCHs) dynamic excitation function is presented. And the model can be analyzed by velocity bifurcation diagram, Poincaré map, phase diagram and power spectrum. The range of velocity is obtained under chaos vibration...
Radiology departments could benefit from the digital dashboards which integrate and visualize information reflecting workflow state. However, the heterogeneous environment in radiology prevents an integrated overall view of the process. The objective of this study is to design and develop a workflow-based dashboard in a heterogeneous environment to help the radiology administrators and managers monitor...
In this paper, we proposed the tracking dynamical particle swarm optimizer (TDPSO) that can efficiently locate and track the optimal solution in a dynamically changing environment. In TDPSO, the particle's structure is different from traditional PSO. Each particle's knowledge is applied an "evaporation constant" to gradually weaken the knowledge's validity. Through this mechanism, the knowledge...
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