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  5. ABOUT USING THE SYSTEM OF PLL IN VORTEX FLOWMETER

ABOUT USING THE SYSTEM OF PLL IN VORTEX FLOWMETER

G.V. Geyko, S.I. Chervonnyi
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The new algorithm of self-tuning of frequency is offered for clarification of testimonies of vortex flowmeter. It is shown that for treatment of signals an algorithm, based on application of the system of FAPCH, can be utillized in vortex flowmeter, which will allow to be delivered from such lacks of the system of FAPCH, as a mode of watching of multiple frequency or not included in the mode of watching in general. It is proved that it is possible also to consider the presence of vibrations the lack of the ФАПЧ-системы in default of vibrations on an entrance, that will demand the additional devices of disconnecting of stream of impulses at disappearance of gas stream (disappearance of whirlwinds).
Keywords: self-tuning of frequency, microcontroller, expected value