University of Connecticut University of UC Title Fallback Connecticut

Robert X. Gao

CaoRobertXRobert X. Gao
Pratt and Whitney Chair Professor

Department of Mechanical Engineering
191 Auditorium Road, Unit 3139
Storrs, CT 06269-3139
Phone: (860) 486-7110


  • Ph.D., Technical University of Berlin, Germany, 1991


Research Focus

  • Sensing
  • Mechatronics
  • Biomechanics


Current Publications

D. John, S. Liu, J. Sasaki, C. Howe, J. Staudenmayer, R. Gao and P. Freedson, “Calibrating an Indigenous Multi-Sensor Physical Activity Measurement System,” Physiological Measurement, vol. 32, pp. 1473-1489, 2011.

R. Gao, S. Sah, and N. Mahayotsanun, “On-Line Measurement of Contact Pressure Distribution at Tool-Workpiece Interfaces in Manufacturing Operations,” CIRP Annals – Manufacturing Technology, Vol. 59, pp. 399-402, August, 2010.

R. Yan and R. Gao, “Harmonic Wavelet Filtering for Enhanced Machine Defect Identification,” Journal of Sound and Vibration, Vol. 329, No. 15, pp. 3203-3217, July, 2010.

A. Ganguli, R. Gao, K. Liang, J. Jundt, and A. Ordonez, “Experimental Investigation of Efficient Ultrasonic Focusing in Attenuative Solids,” IEEE Transactions on Instrumentation and Measurement, Vol. 59, No. 9, pp. 2261-2271, September,  2010.

J. Zhang, R. Yan, R. Gao, and Z. Feng, “Performance Enhancement of Ensemble Empirical Mode Decomposition,” Mechanical Systems and Signal Processing, Vol. 24, pp. 2104-2123, September, 2010.

R. Yan and R. Gao, “Multi-Scale Enveloping Spectrogram for Vibration Analysis in Bearing Defect Diagnosis,” Tribology International, Vol. 42, No. 2, pp. 293-302, 2009.

S. Johnston, D. Kazmer, and R. Gao, “On-Line Simulation-Based Process Control for Injection Molding,” Polymer Engineering and Science, Vol. 49, pp. 2482-2491, December, 2009.

N. Mahayotsanun, S. Sah, J. Cao, M. Peshkin, R. Gao, and C.T. Wang, “Tooling-Integrated Sensing Systems for Stamping Process Monitoring,” International Journal of Machine Tools and Manufacture, Vol. 49, No. 7-8, pp. 634-644, 2009.

R. Yan and R. Gao, “Base Wavelet Selection for Bearing Vibration Signal Analysis,” International Journal of Wavelets, Multi-resolution, and Information Processing, Vol. 7, No. 4, pp. 411-426, July, 2009. [Link]

S. Sah and R. Gao, “Process Monitoring in Stamping Operations Through Tooling Integrated Sensing,” Journal of Manufacturing Systems, Vol. 27, No. 3, pp. 123-129, 2008.