Open Daily: 10am - 10pm | Alley door pickup 10am - 7pm 3038 Hennepin Ave Minneapolis, MN
612-822-4611

  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Electrical Capacitance Tomography for Conductive Materials

Electrical Capacitance Tomography for Conductive Materials

Deabes, Wael
Abdelrahman, Mohamed

Paperback

Physics

ISBN10: 3639358848
ISBN13: 9783639358841
Publisher: Vdm Verlag
Published: May 26 2011
Pages: 212
Weight: 0.70
Height: 0.48 Width: 6.00 Depth: 9.00
Language: English
Lost Foam Casting is a simple and reliable casting process for producing tiny and complex metal components. The real time monitoring of the metal characteristics while replacing the foam pattern is important to minimize the related defects. Electrical Capacitance Tomography is developed to obtain images describing the profile of grounded metal inside the foam pattern. A new capacitance measuring circuit has been designed and analyzed for measuring the mutual capacitance between electrodes. Theoretical analysis has been given to illustrate the behavior of the measuring stage, taking into account the non-ideal characteristic of the current feedback amplifierer. Fuzzy inference systems have been used as a nonlinear inverse solver. It has been applied to either speed up the traditional iteration image reconstruction techniques or as a stand alone direct nonlinear solution for the inverse problem. A fuzzy mathematical model providing the relationship between pixels in images and the ECT sensor measurements has been designed.

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