科氏质量流量计数字驱动方法研究与实现  

Study and Implementation of Digital Drive Method for Coriolis Mass Flow Meter

作　　者：侯其立[1] 徐科军[1,2] 方敏[1] 熊文军[1] 刘翠[1] 

机构地区：[1]合肥工业大学电气与自动化工程学院,安徽合肥230009 [2]工业自动化安徽省工程技术研究中心,安徽合肥230009

出　　处：《计量学报》2013年第6期554-560,共7页Acta Metrologica Sinica

摘　　要：基于DDS和MDAC，研究科氏质量流量计数字驱动方法中的频率、相位、幅值跟踪。采用TMS320F28335芯片，研制科氏质量流量变送器，实现驱动方法。配以CMF025型号传感器进行了气一液两相流实验，实验结果表明，研制的变送器在两相流下能够维持流量管的振动并完成流量测量。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.

关 键 词：计量学 科氏质量流量计 数字驱动 两相流 TMS320F28335 

分 类 号：TB937[一般工业技术—计量学]