Wang Huiying

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A new method, to realize bidirectional drive and control to a micro in-pipe robot based on dynamic friction characteristics of its elastic legs and drive characteristics of giant magnetostriction actuator through magnetic field outside pipe, is put forward, in which its positive direction drive is carried out by utilizing the multiple frequency phenomenon(More)
In data stream mining, sliding window can record the latest and most useful patterns, but the best size can not be accurately determined. To aim at data with the characteristics of data flow in some simulation systems, this paper proposes a method for mining the closed frequent patterns in the mixed window of data stream. The pattern of data stream could be(More)
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