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Structural Monitoring and Maintenance
  Volume 3, Number 4, December 2016 , pages 377-393

Detecting and predicting the crude oil type inside composite pipes using ECS and ANN
Wael A. Altabey

    The present work develops an expert system for detecting and predicting the crude oil types and properties at normal temperature (e=25C) by evaluating the dielectric properties of the fluid transfused inside glass fiber reinforced epoxy (GFRE) composite pipelines, by using electrical capacitance sensor (ECS) technique, then used the data measurements from ECS to predict the types of the other crude oil transfused inside the pipeline, by designing an efficient artificial neural network (ANN) architecture. The variation in the dielectric signatures are employed to design an electrical capacitance sensor (ECS) with high sensitivity to detect such problem. ECS consists of 12 electrodes mounted on the outer surface of the pipe. A finite element (FE) simulation model is developed to measure the capacitance values and node potential distribution of ECS electrodes by ANSYS and MATLAB, which are combined to simulate sensor characteristic. Radial Basis neural network (RBNN), structure is applied, trained and tested to predict the finite element (FE) results of crude oil types transfused inside (GFRE) pipe under room temperature using MATLAB neural network toolbox. The FE results are in excellent agreement with an RBNN results, thus validating the accuracy and reliability of the proposed technique.
Key Words
    Electrical capacitance sensor (ECS); Finite Element Method (FEM); crude oil type detection; GFRE composite pipe; Artificial neural network (ANN)
Wael A. Altabey: International Institute for Urban Systems Engineering, Southeast University, Nanjing (210096), China;
Department of Mechanical Engineering, Faculty of Engineering, Alexandria University, Alexandria (21544), Egypt

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