|
Valeriy V. Kortiashvili
|
Electronic and mechanical measuring systems |
Chelyabinsk, Russian Federation sales@emis-kip.ru |
|
Evgeniy V. Kostarev
|
Electronic and mechanical measuring systems |
Chelyabinsk, Russian Federation |
|
Evgeniy I. Krahmalev
|
South Ural State University |
Chelyabinsk, Russian Federation |
The article describes the basic principles for determining the flow of modern software and hardware flow measurement. A structure, the method of processing the digitized signal from the primary sensor on the example of avortex flowmeter. The main advantages which can be obtained through digital processing, mathematical algorithms shown to significantly improve the qualitative characteristics of the flowmeter.
Materials and methods
A signal processing method using direct and inverse Fourier transform.
Results
The advantages of flow meters with digital signal processing are: a) Ability to filter by various kinds of interference; b) Ability to view the spectrum as input data for processing, and not only theresult; c) The possibility of diagnosing abnormal conditions of the instrument, such as cavitation and parasitic eddy formation; d) Monitoring the position of the signal on the frequency scale to determine the yield of the metrological range; e) Devices with digital electronics allows remote diagnosis of the measurement process in operation without stopping the flow.
