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Nizar Lajnef, Ph.D.
Assistant Professor
Civil and Environmental Engineering
3568 Engineering Building
East Lansing, MI 48824
Phone: (517) 353-8883
Fax: (517) 432-1827
E-Mail: lajnefni@egr.msu.edu
Courses Taught:
- Introduction to Structural Analysis and Design (CE305)
Recent Research:
- Design and implementation of a smart continuous-monitoring
system for asphalt and concrete pavement structures.
- Design and implementation of a sub-microwatt self-powered
fatigue sensor
Interests:
Dr. Lajnef's interests are in the area of sensors design
for civil infrastructure and biomechanical systems, sensors
networks design and implementation, nano-watt and self-powered
sensors, and smart materials/composites/alloys and systems.
Education:
Michigan State University: Ph.D., Civil Engineering
Awards and Honors:
- Nothstine Fellowship - Spring 2007
- Outstanding Ph.D. student award - 2007
Patents:
- S. Chakrabartty, N. Lajnef, N. Elvin, A. Elvin, A.
Gore, "Self-powered sensor", U.S. Provisional
Patent No.: 60/840.056, Filed August 24, 2006.
- S. Chakrabartty, N. Lajnef, N. Elvin, "Calibration
algorithm for piezo-powered floating-gate injectors",
Filed November, 2007 - Pending.
Selected Publications:
- N. Lajnef, S. Chakrabartty and N. Elvin (2007), "A
Piezo-powered Floating-gate Sensor Array for Long-term
Fatigue Monitoring in Biomechanical Implants" , IEEE
Transactions on Biomedical Circuits and Systems, (in
press).
- S. Chakrabartty, N. Lajnef, NG. Elvin, A. Elvin (2008)
Towards Self-Powered Sensors and Circuits for Biomechanical
Implants, VLSI Circuits for Biomedical Applications;
Ed: Krzysztof I. Artech House, Boston, pp75-109 - Book
Chapter.
- N. Elvin, N. Lajnef, A. Elvin (2006), "Feasibility
of Structural Monitoring With Vibration Powered Sensors",
Smart Mater. Struct., 15, p 977-986.
- N. Lajnef, S. Chakrabartty and N. Elvin, "Calibration
and Characterization of Self-powered Floating-gate Sensor
Arrays for Long-term Fatigue Monitoring", IEEE
Symposium on Circuits and Systems (ISCAS), Seattle
WA, May 2008.
- N. Lajnef, N. Elvin and A. Elvin, "Piezoelectric
energy harvesting in a high vibration civil structure",
13th International Symposium on Applied Electromagnetics
and Mechanics (ISEM), East Lansing MI, September 2007.
- N. Lajnef, S. Chakrabartty, N. Elvin and A. Elvin, "
Piezo-Powered Floating Gate Injector for Self-Powered
Fatigue Monitoring in Biomechanical Implants", IEEE
Symposium on Circuits and Systems (ISCAS'2007), New
Orleans 2007.
- N. Elvin, N. Lajnef, S. Chakrabartty and A. Elvin, "A
sub-microwatt self-powered fatigue sensor", 14th
International Symposium on: Smart Structures and Materials
& Nondestructive Evaluation and Health Monitoring,
San Diego, March 2007.
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