PLL CONTROL OF THE CORIOLIS METER RESONANCE FREQUENCY
J. Kutin, I. Bajsic
Abstract:
The Coriolis meter is used for direct measurements of fluid density and mass flowrate. Its regular operation is conditional on the vibration of its measuring tube at the resonance frequency. The accuracy and quickness of the resonance control have an impact on static and dynamic meter characteristics. In the paper, results of using a phase-locked loop (PLL) control system are presented. The measurements were performed on a straight-tube meter with an electromagnetic exciter and piezoelectric accelerometers.
Keywords:
Coriolis flowmeter, tube resonance frequency, phase-locked loop
Download:
IMEKO-WC-2000-TC9-P243.pdf
DOI:
-
Event details
Event name:
XVI IMEKO World Congress
Title:

Measurement - Supports Science - Improves Technology - Protects Environment ... and Provides Employment - Now and in the Future

Place:
Vienna, AUSTRIA
Time:
25 September 2000 - 28 September 2000
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