Orfeas Kypris. Curriculum Vitae. Personal Statement. Experience. Academic. Miscellaneous

Transcription

1 Orfeas Kypris Curriculum Vitae Personal Statement I m a postdoctoral research associate in the Sensor Networks group at the Department of Computer Science at the University of Oxford, and my research focus is structural health monitoring using low-frequency magnetic fields. I previously obtained my Ph.D. at the Department of Electrical and Computer Engineering at Iowa State University, where I developed a method for the non-destructive evaluation of stress in ferromagnetic components using information contained in magnetic Barkhausen signals. I consider myself a detail-oriented researcher with a multidisciplinary set of skills, including mathematical modeling, design and implementation of measurement systems, as well as the design of experimental procedures required for proof of concepts Present Experience Academic Postdoctoral Research Associate, University of Oxford, U.K Graduate Research Assistant, Iowa State University, Designed and implemented software and hardware for a measurement system geared towards the non-destructive evaluation of magnetic materials Developed library of signal processing algorithms for analysis of stochastic time series Developed mathematical model of magnetic Barkhausen noise to enable spatial localization of residual stresses Prototyped and built laboratory apparatus for inducing mechanical stress Performed finite element multiphysics simulations Conducted magnetic and mechanical property measurements Published in peer-reviewed journals and presented research in international scientific conferences Attended courses on non-destructive evaluation and remote sensing Supervised undergraduate research assistant involved in the implementation of certain software aspects of the measurement system 2013 Present Graduate Teaching Assistant, Iowa State University, Served as a teaching assistant for EE491 (Senior Design Project). Guided students and provided feedback on weekly progress reports. Supervised and mentored undergraduate research assistants Supervised and mentored final year undergraduate team responsible for developing a Barkhausen measurement system Summer 2006 Miscellaneous Technical Support, MATI Art Gallery, Santorini, Cyclades, Greece. Maintained inventory management and order tracking system Maintained computer hardware Interacted with clients, both personally and via

2 Education Ph.D. candidate, Department of Electrical and Computer Engineering, Iowa State University, Thesis advisor: Prof. D.C. Jiles. Thesis title: Detection of sub-surface stresses in ferromagnetic materials using a new Barkhausen noise method M.Sc. Magnetics, Wolfson Institute for Magnetics Research, Cardiff University, U.K. Thesis advisor: Dr. Fatih Anayi. Thesis title: Design of a novel magnetic motor B.Eng. Electrical and Electronic Engineering, Cardiff University, U.K. Thesis advisor: Dr. Noureddine Harid. Thesis title: Energy scavenging from overhead power lines. Operating Systems CAD & Simulation Experimental skills Skills Daily use of Linux, Microsoft Windows and experience with Mac OS X 3D model prototyping, multiphysics finite element modelling Magnetic/mechanical property measurement, electromagnetic sensor design, measurement system design and implementation Awards and scholarships Programming/ Expertise in MATLAB, LabVIEW, scripting/ Octave, Bash, and LaTeX. Exposure to C++ and Python. markup languages Signal processing MATLAB prototyping and library development, statistical parameter estimation, time/frequency analysis, parametric/nonparametric modelling Iowa State University Research Excellence Award. Award given to graduate students for outstanding research accomplishments as documented in their theses and dissertations. Takano PhD Fellowship. Fellowship awarded to doctoral students pursuing research in the area of non-destructive evaluation. EPSRC MSc Scholarship. Scholarship awarded to students of high academic performance who are enrolled in an MSc program with a research component. Best Student Poster Presentation Award, 56th Conference on Magnetism and Magnetic Materials. (30 October - 3 November 2011, Scottsdale, Arizona, USA). Title: Stress-Depth Profiling for Non-destructive Testing using Magnetic Barkhausen Noise Signals. IEEE Magnetics Summer School Attendee. (22-27 May 2011, New Orleans, Louisiana, USA). Selected and funded to attend lectures on magnetism and its applications, given by internationally recognised experts from both academia and industry.

3 FGSA Travel Award for Excellence in Graduate Research. Selected and funded by the American Physical Society (APS) to present at the Review of Progress in Quantitative Non-Destructive Evaluation 2013, held in Baltimore, MD. IEEE Travel Grant. Selected and funded by the IEEE to present at the IEEE International Magnetics Conference 2014, held in Dresden, Germany. Refereed Journal Publications Journal Publications Kypris, O, IC Nlebedim, and DC Jiles. Mapping Stress as a Function of Depth at the Surface of Steel Structures Using a Frequency Dependent Magnetic Barkhausen Noise Technique. IEEE Transactions on Magnetics, 48(11): , Kypris, O, IC Nlebedim, and DC Jiles. A New Method for Obtaining Stress-Depth Calibration Profiles for Non-Destructive Evaluation Using a Frequency-Dependent Model of Barkhausen Emissions. IEEE Transactions on Magnetics, 49(7): , Kypris, O, IC Nlebedim, and DC Jiles. Experimental Verification of the Linear Relationship Between Stress and the Reciprocal of the Peak Barkhausen Voltage in ASTM A36 Steel. IEEE Transactions on Magnetics, 49(7): , Kypris, O, IC Nlebedim, and DC Jiles. Barkhausen spectroscopy: Non-destructive characterization of magnetic materials as a function of depth. Journal of Applied Physics, 115(17):17E305, N Prabhu Gaunkar, Kypris, O, IC Nlebedim, and DC Jiles. Optimization of sensor design for Barkhausen noise measurement using finite element analysis. Journal of Applied Physics, 115(17):17E512, Kypris, O, IC Nlebedim, and DC Jiles. A model for the Barkhausen frequency spectrum as a function of applied stress. Journal of Applied Physics, 115(8):083906, N Prabhu Gaunkar, Kypris, O, IC Nlebedim, and DC Jiles. Analysis and modelling of Barkhausen noise emissions and magnetic hysteresis in multi-phase materials (accepted for publication). IEEE Transactions on Magnetics, 50(11), Presentations Oral Presentations NP Gaunkar, Kypris, O, IC Nlebedim, and DC Jiles. Relating ferromagnetic hysteresis and Barkhausen noise for single phase and two-phase materials, presented at the IEEE International Magnetics Conference (Intermag) May, Kypris, O, IC Nlebedim, and DC Jiles. Estimation of sub-surface stresses using a new model for the Barkhausen frequency spectrum, presented at the IEEE International Magnetics Conference (Intermag) May, 2014.

4 Kypris, O, IC Nlebedim, and DC Jiles. Mapping Stress as a Function of Depth at the Surface of Steel Structures Using a Frequency Dependent Magnetic Barkhausen Noise Technique, presented at the Friday Activity at Noon undergraduate educational outreach program. 27 Sep, Kypris, O, IC Nlebedim, and DC Jiles. Calculation of a universal stress-depth calibration profile using a white noise approximation to the magnetic Barkhausen noise spectrum (invited), presented at the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) Jul, Kypris, O, IC Nlebedim, and DC Jiles. Experimental verification of the linear relationship between stress and the reciprocal of the peak Barkhausen voltage in ASTM A36 steel, presented at the 12th Joint Magnetism and Magnetic Materials (MMM) - Intermag Conference Jan, Kypris, O, IC Nlebedim, and DC Jiles. Stress - depth profiling for non-destructive evaluation using a frequency-dependent model of Barkhausen emissions, presented at the 12th Joint Magnetism and Magnetic Materials (MMM) - Intermag Conference Jan, Kypris, O, IC Nlebedim, and DC Jiles. Mapping stress as a function of depth at the surface of steel structures using a specialized magnetic Barkhausen noise technique, presented at the IEEE International Magnetics Conference (Intermag) May, Poster Presentations Kypris, O, IC Nlebedim, and DC Jiles. Computation of the modified magnetostriction coefficient b corresponding to different depth ranges in ferromagnetic specimens by using a frequency dependent model for magnetic Barkhausen emissions, presented at the American Physical Society (APS) March Meeting Mar, Kypris, O, L Mierczak, IC Nlebedim, and DC Jiles. Stress-Depth Profiling for Non-destructive Testing using Magnetic Barkhausen Noise Signals. Best Poster Presentation Award, presented at the 56th Magnetism and Magnetic Materials Conference (MMM). 30 Oct - 3 Nov Kypris, O, IC Nlebedim, and DC Jiles. Depth Profiling in Prestressed Load Bearing Components, presented at the 38th Annual Review of Progress in Quantitative Non Destructive Evaluation (QNDE) Jul Kypris, O, IC Nlebedim, and DC Jiles. Mapping stress as a function of depth at the surface of steel structures using a specialized magnetic Barkhausen noise technique, presented at the IEEE International Magnetics Conference (Intermag) May, Kypris, O, IC Nlebedim, and DC Jiles. Application of Barkhausen Effect Measurements for Evaluation of Mechanical Stress in Helicopter Main Rotor Gears, presented at the IEEE Magnetics Summer School May 2011.

5 Professional Memberships American Physical Society (APS). Institution of Electrical and Electronic Engineers (IEEE). IEEE Magnetics Society. Engineering Honor Society (HKN). Other Professional Activities Reviewer. Journal of Applied Physics, IEEE Transactions on Magnetics, Physica B: Condensed Matter, Journal of Physics D: Applied Physics, Metallurgical and Materials Transactions A Languages English German Greek Proficient Conversational Native Interests Music Capoeira Other activities Player of the classical and jazz clarinet since I received the 1st prize in classical clarinet, National Greek Competition in Fine Arts and Music, In my free time I play clarinet and saxophone as part of a jazz band, and also compose, record and produce my own music in a custom-made home studio. Co-founder and treasurer of the Iowa State Capoeira Club (ISCC). Reading (particularly general science and philosophy literature), cycling and swimming.

6 References Prof. David C. Jiles Palmer Endowed Department Chair, Anson Marston Distinguished Professor Department of Electrical and Computer Engineering Iowa State University 2215 Coover Hall Ames, IA Tel.: Prof. John P. Basart Professor Emeritus Department of Electrical and Computer Engineering 335 Durham Center Iowa State University Ames, IA Tel.: Prof. Adrian Porch Centre for High Frequency Engineering Deputy Director of School, Research & Innovation Institute Leader - Institute of Green Electronic Systems Cardiff University Room C/4.09 Newport Road Cardiff, South Glamorgan CF24 3AA United Kingdom Tel.: +44 (0) porcha@cardiff.ac.uk