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Current Projects:
1) Self-sensing concrete pavement that can
monitor structure health and detect traffic flow
(PI, funded by NSF,
FHWA of USDOT)
Carbon nanotubes enhanced pavement is investigated for the detection of
stress and traffic flow based on its piezoresitive property.
This work has been reported by:
American
Society for Engineering Education (ASEE), PRISM magazine, Jan 2010,
page 35, “Clever Concrete”,
Popular
Science, Feb 2010 issue, page 38, listed as one of 25 new technologies for
future infrastructures
www.Nanowerk.com, Oct.9, 2009, “Traffic
monitoring with a self-sensing concrete nanotechnology road surface,” http://www.nanowerk.com/spotlight/spotid=13009.php
www.nanotechweb.org, Nov 12, 2009, “Smart
concrete detects traffic flow,” http://nanotechweb.org/cws/article/tech/40909
 
2) Real-time non-intrusive driver sleepiness
detection sensors
Sensors are embedded into steering wheel for ECG measurement, an adaptive
controller is developed to cancel noise.
This work has won:
Top
3 winners in North American region, The 3rd
Collegiate Student Safety Technology Design Competition, 2009 (with
students Shan Hu and Ryan Bowlds)
Best
student paper finalist, IEEE 31st Annual International
Conference of the Engineering in Medicine and Biology Society (IEEE
EMBC'09),
S.
Hu, R. Bowlds, Y. Gu, and X. Yu, “Pulse Wave Sensor for
Non-Intrusive Driver’s Drowsiness Detection”
3)
Active noise cancellation systems for medical instruments
(PI,
currently being Funded by NIH, collaborate with Dr. Sen M. Kuo at Northern Illinois
University)
4) Carbon nanotube based devices
Carbon
nanotube matrix for stem cells differentiation (collaborate with Dr. Jon
Holy at UMN Duluth Medical School and Dr. Ed Perkins at Mercer University
School of Medicine, GA)
Carbon
nanotube based transparent thin film acoustic sensors and actuators
Past Projects:
1. Ph.D. Thesis (University of Minnesota - Twin Cities,
June 2006)
Active sound transmission control through windows using carbon nanotube
based transparent thin film actuators
Advisors: Prof.
Rajesh Rajamani and Prof. Kim A. Stelson
 
 Transparent thin film speaker SEM picture of the CNT thin film
Experimental result of noise control
2. Adaptive feedforward vibration control for hard disk drivers
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