Publications & Presentations

SELECTED PROFESSIONAL, REFEREED PUBLICATIONS

1. Timothy D. Usher, Kenneth R. Ulibarri, Jr., and Gilberto S. Camargo, "Piezoelectric Microfiber Composite Actuators for Inflatable Wings." Submitted
2. Tim Usher and Alec Sim, "Nonlinear Dynamics of piezoelectric high displacement actuators in cantilever mode." Journal of Applied Physics, 98, September 2005.
3. Tim Usher, Alec Sim, Gevale Ashford, Adalia Cabanyog, Ken Ulibarri, Jr., Gilbert Camargo, Eris Naco, "Modeling and applications of new piezoelectric actuator technologies", SPIE, Smart Structures and Materials, 5383, pp31-38, March 2004.4. J. A. Palmer, B. Dessent, J. F. Mulling, T. Usher, E. Grant, J. W. Eischen, A. I. Kingon, P. D. Franzon "The Design and Characterization of a Novel Piezoelectric Transducer-Based Linear Motor", IEEE/ASME Transactions on Mechatronics, 9, 392-398, June 2004.
4. Tim Usher, Alic Sim, Gevale Ashford, Adalia Cabanyog, Ken Ulibarri Jr., Gilbert Camargo, Eris Naco, "Modeling and applications of new piezoelectric actuator technologies", Proceedings of the SPIE, Smart Structures and Materials, Vol. 5383, pp. 31-38, 2004.
5. T. D. Usher and Paul Dixon ""Physics goes practical"" American Journal of Physics, 70, January 2002.
6. James Mulling, Tim Usher, Brian Dessent, Jeremy Palmer, David Rooker, Paul Franzon, Eddie Grant, Angus Kingon "Load Characterization of High Displacement Piezoelectric Actuators with Various End Conditions" Sensors and Actuators A, 94, 2001.
7. T. D. Usher "Suppression of switchable polarization in KDP by ionizing radiation" Physical Review B, 58, August 1998.
8. T. D. Usher "Effects of x-ray irradiation upon switching in potassium dihydrogen phosphate" Ferroelectrics Letters 18 (7), Aug. 1994.
9. Deborah Schurr, T. D. Usher "High School Classroom Demonstration of Hysteresis Using Ferroelectric Materials." Physics Teacher September 1994.
10. T. D. Usher and Grant A. McAuley "High-voltage MOSFET bipolar square-wave generator" Review of Scientific Instruments, 64 (7), 1993.
11. T.D. Usher "Preliminary report on the effects of x-ray irradiation on switching in KH2PO4"; Proceedings of the 4th International Symposium on Integrated Ferroelectrics, 1992.
12. T. D. Usher, C.P. Poole, Jr. and H.A. Farach "Ferroelectric Polarization Reversal in Potassium Dideuterium Phosphate as Monitored by Switching Current" Ferroelectrics, Vol. 120, pp 201-209. 1991.
13. T. D. Usher, C.P. Poole, Jr. and H.A. Farach "Ferroelectric Polarization Reversal in Potassium Dihydrogen Phosphate as monitored by Switching Current" Ferroelectrics, Vol. 110, pp 67-75. 1990.