DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING


Applied EM Labs

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Education and Background

Funding

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Research Interests

 

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Education:

Ph.D. in Electrical Engineering, 2009, North Dakota State University, Fargo, ND.

Dissertation: "Modeling Multiple Printed Antennas Embedded in Stratified Uniaxial Anisotropic Dielectrics"

M.S. in Electrical Engineering, 2005, North Dakota State University, Fargo, ND.

Thesis: "An Integral Equation Technique for Solving Electromagnetic Problems with Electrically Small and Electrically Large Regions"

B.S. in Electrical Engineering, 2002, North Dakota State University, Fargo, ND.

Background:

Academic (funded research):

7/08-8/09 , Center for Nanoscale Science and Engineering (CNSE),  North Dakota State University, Fargo, North Dakota, Graduate Research Assistant       

Project entitled “Small Antennas Using Metamaterials”.  This research is focusing on using metamaterials to enhance the properties of antennas for wireless sensors.  Another aspect of this research is to examine the benefit of using metamaterial based transmission lines in wireless sensors and to build a knowledge base at NDSU on metamaterial properties. 

5/06-8/06, Center for Nanoscale Science and Engineering (CNSE),  North Dakota State University, Fargo, North Dakota, Graduate Research Assistant

Project entitled “High Frequency RFID Eartag” which is a sub-project of “Agrosecurity: Disease Surveillance and Public Health” funded by the U.S. Department of Agriculture.  Worked on designing printed antennas for passive UHF RFID applications for cattle tracking and disease control.  This involved designing a unique passive RFID antenna with a dielectric superstrate with a 3m read range.

10/04-5/05, Center for Nanoscale Science and Engineering (CNSE),  North Dakota State University, Fargo, North Dakota, Graduate Research Assistant 

Project entitled “RFID Sensor Backscattering: Development and Application of Analytical Tools for Determination of Backscatter Characteristics”.  Worked on developing Electric Field Integral Equations (EFIE) to evaluate complex scattering problems with both electrically large and geometrically complex electrically small regions with applications to RFID systems.

6/03-9/04, Sverdrup Technology, Eglin Air Force Base, Florida, Engineer I

Developed Numerical Electromagnetics Code (NEC) based on the Moment Method to evaluate problems with electrically large and geometrically complex electrically small regions.  This code is intended to be used to evaluate the susceptibility and radiation of complex missile systems in the air force. 

1/03-5/03, North Dakota State University, Fargo, North Dakota, Graduate Research Assistant 

This research focused on implementing microgrids, such as wind farms and fuel cells, to the existing power grid.  In particular, the system stability was studied as renewable sources of energy were added to an existing power grid.    

Academic (teaching):

8/07-present, Department of Electrical and Computer Engineering, North Dakota State University, Fargo, North Dakota, Lecturer with full classroom responsibilities

Introduction to Electrical Engineering (ECE 111) – Fall 2007
Circuit Analysis I (EE 206) – Fall 2007
Electrical Engineering I (ECE 301-circuits for non-ECE majors) – Spring 2008
Circuit Analysis I (EE 206) – Spring 2008
Applied Electromagnetics (ECE 351) – Spring 2009

1/03-12/03, Department of Mathematics, North Dakota State University, Fargo, North Dakota, Teaching Assistant

Calculus II (Math 166) – Spring 2003
Calculus III (Math 265) – Fall 2003

Industrial:

2/07-7/07, Consolidated Telephone Cooperative, Dickinson, North Dakota,  Telecommunications/Optical Engineering

Supervised the installation of ‘fiber to the home’ for broadband multi-media applicatoins.  Supervised and maintained existing wireless and fiber communications infrastructure.  Designed optical based sensor networks for industrial alarm applications. 

8/06-1/07, Hiland Partners LP, Enid, Oklahoma, Facility Engineer

Supervised the design and installation of medium voltage softstarts, variable frequency drives and substations for industrial gas processing applications.  Supervised the design and installation of wireless sensor networks for monitoring and control of industrial equipment.  The wireless networks in these designs involved a backbone network of over 50 miles and local node networks of less than a mile.  Issues involving propagation loss and electromagnetic compatibility were noticed and overcome in many aspects of this work. 

5/05-5/06, Packet Digital LLC, Fargo, North Dakota, Research Engineer 

Designed antennas and power harvesting management circuitry for passive and semi-passive RFID systems.  Assisted in the communication architecture for wireless sensor systems.  Design experience in FPGA and ASIC development with both VHDL and Verilog for power management applications.      

5/03-8/03, Phoenix International, A John Deere Company, Fargo, North Dakota, Production Engineering Intern

Assisted in production line management for a line of products utilizing flexible circuitry attached to a rigid surface.  Performed failure analysis, documentation, and implemented solutions directly into the production line.  Failure was usually due to electromagnetic compatibility, manufacturing or production issues. 

1/01-6/01, 5/02-8/02, Rockwell Collins, Cedar Rapids, Iowa , Cooperative Education            

Signal integrity analysis using Hyperlynx software, thermal analysis interpretation, and card design for flight safety guidelines.  Documented the process of building and testing the Production Test Station.  Product support for test verification included radiated susceptibility, radiated emissions, and testing for conducted susceptibility and conducted emissions in the electromagnetic lab.  Product Environmental testing included humidity, vibration, temperature tests, as well as failure analysis and documentation from all testing results.

Honors

Graduate Research Award for 2008-2009 in the College of Engineering and Architecture at North Dakota State University. 

Best Student Paper Finalist at the 2008 International Symposium on Antennas and Propagation, San Diego, CA, July 2008.  The top 15 out of 176 student papers were chosen as finalists.

Selected as “Graduate Teacher of the Year” for 2007-2008 in the College of Engineering and Architecture at North Dakota State University.