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  1. Application of Electrical Impedance Tomography for Imaging in Bio-Medical and Materials Technology Progress Report

  2. I. DETAILS OF PROJECT • Project Number :01-02-03-SF0024 • B) Project Title :Application of Electrical Impedance Tomography for imaging in bio- medical and materials technology • C) Project Leader :Farrukh Nagi • D) Period of Performance :18 months • E) Date of Commencement :December 2006 • F) Date of Completion :May 2008

  3. II. Description Electrical Impedance Tomography (EIT) is a non-invasive imaging technique that has applications in the crack detection , medical field [1] and industrial processes. For instance,EIT has been used to image lung functions. Additionally, EIT has been used to determine pulp consistency, which can be integrated into a process control loop in the paper manufacturing process. EIT is based on the principal that different materials have different electrical properties. EIT imaging exploits these properties (i.e. impedance) to produce a cross sectional image in a non-invasive manner.

  4. III. Gantt Chart

  5. Contd ……Gantt Chart

  6. IV. Project activities From Date To Date • Purchasing Activity 01/12/2006 01/09/2007 • Electrical Impedance Tomography - updates 01/01/2007 01/05/2008 • Design Criteria and equipment selection 01/01/2007 01/06/2007 • Computer modeling and development of Inverse • Boundary value problem01/04/2007 01/12/20 • Development of Target equipment 01/06/2007 01/05/2008 • Application program interface 01/06/2007 01/05/2008 • Testing, experimentation, performance measure 01/07/2007 01/05/2008 • Integration of Hardware 01/08/2007 01/11/2007 • Computer interfacing 01/09/2007 01/12/2007

  7. V. Key Milestones • Milestones Date • Mathematical implementation of inverse boundary • value problem 01/01/2008 • Hardware and software interface 01/06/2007 • Interface with Target 01/12/2007 • Image re-construction 01/04/2008 • Project Completion 01/05/2008

  8. VI. Expenditures • Total amount approved: RM 139,000 • Total amount spent: RM 53, 800 • Balance RM 85,200 • Development of electrode tank + accessories and Purchase order approved for DAQ • Purchase orders photo copies are available

  9. VII. Work Completed • Inverse boundary value problem -computer program • Computer simulation and verification of the software • Electrode tank is manufactured

  10. Inverse Algorithm Problem Solving with FEM

  11. EIT -Simulation in Matlab

  12. EIT -Electrode Tank for Experiment Electrodes for connection with Hardware

  13. Multi-Channel Matrix Data Acquisition System Awaited....

  14. VIII. Problem Faced in Procurement of Data Acquisition Equipment : ~RM 44, 000 • Funds were not sufficient to make the purchase in May 2007 • Written letter to MOSTI, June 2007, for early release of funds for the purchase • Dec. 2007, No reply............ • Funds were made available by RMC-UNITEN from other resources • Jan 2008, restart the purchasing activity as the quotation expired and re-process the procurement formalities. • April 2008 – Agent of the Equipment ‘National Instrument’ is in receipt of supplying the equipment now

  15. IX. Request for Extension In Project Duration • Request for one year extension • Sufficient budget • Extension is requested to complete the Imaging • process from the purposely build electrode tank

  16. THANK YOU