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An Autoregressive model (AR model) based on Empirical Mode Decomposition (EMD) was applied to identifying gas-liquid two-phase flow regime. At first, the dynamic differential pressure signals coming from Venturi tube were processed by normalization, EMD and denoise. Afterwards, the Intrinsic Mode Functions (IMF) contained flow regime information were selected to establish AR models. Through models...
To achieve intelligent control algorithm in Foundation Fieldbus process control system, a method which combines LabVIEW and MATLAB to design a real time intelligent control system is presented in this paper. The intelligent control algorithm programmed in MATLAB can be stimulated by LabVIEW SIT, the communication between LabVIEW and fieldbus instruments can be established by OPC Sever, the human machine...
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