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| Study and Implementation of Digital Drive Method for Coriolis Mass Flow Meter |
| HOU Qi-li1,XU Ke-jun1,2,FANG Min1,XIONG Wen-jun1,LIU Cui1 |
1.School of Electrical and Automation Engineering, Hefei University of Technology, Hefei, Anhui 230009, China;
2.Engineering Technology Research Center of Industrial Automation, Hefei, Anhui 230009, China |
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Abstract The digital driving method which consists of frequency, phase and amplitude tracking based on DDS and MDAC is studied. A digital Coriolis mass flow transmitter is developed with TMS320F28335 chip. The driving technology is realized in real time. The gas-liquid two-phase flow-rate experiments are performed through connecting the transmitter with a CMF025 type Coriolis mass flow sensor. The results show that the transmitter can maintain the vibration of the flow tube and realize the flow measurement in two-phase condition.
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2013, Vol. 34 
