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A modified coarse-grained, bead-spring model was used to investigate the effect of lubricant fragments (LF) on lubricant transfer from a rotating disk to a slider in this paper. The simulation results indicate that full lubricant molecules cannot transfer to the slider surface for large enough slider to disk spacing. However, degraded lubricant molecules, namely LF, are able to transfer from the disk...
The Dynamic Voltage Restorer (DVR) as an electronics based custom device, is used to protect sensitive loads from the voltage sags in the power distribution system. With the rapid technology advancement in industrial control processes, it is experiencing more demanding requirements on how to compensate voltage sags with minimum power consummation. That's why in this paper, energy cost optimal compensation...
The control of car following is helpful to its safety and its operational efficiency. For this purpose, this paper builds a linear, continuous and time-delay model of car following, which is successively turned into the discrete model to satisfy computer data processing. And then, its controllability and its observability are analyzed. The approach of the infinite-time linear quadratic problem is...
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