Traveling waves have shown the potential to transport material and are thus investigated as a propulsion mechanism. Through the use of piezoelectric actuators (PZTs), traveling waves were produced in beams with both free-free and fixed-free boundary conditions. It is shown that traveling waves can be generated by exciting two PZTs at a common frequency with a phase difference between the PZT signals. Experimentation showed the signal that creates the best traveling wave occurs at a driving frequency halfway between adjacent bending resonance frequencies and a phase difference of 90° between both PZTs signals. This has produced traveling waves in fixed-free beams and free-free beams in both air and water as well as for an underwater vehicle. These traveling waves generated useful propulsion in both the fixed-free and free-free beams.
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ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 8–10, 2014
Newport, Rhode Island, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4615-5
PROCEEDINGS PAPER
Vehicle Propulsion by Solid State Motion
Kevin Lefeave
,
Kevin Lefeave
Virginia Tech, Blacksburg, VA
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Charles Haltom
,
Charles Haltom
Virginia Tech, Blacksburg, VA
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Adam Underwood
,
Adam Underwood
Virginia Tech, Blacksburg, VA
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V. V. N. Sriram Malladi
,
V. V. N. Sriram Malladi
Virginia Tech, Blacksburg, VA
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Bryan S. Joyce
,
Bryan S. Joyce
Virginia Tech, Blacksburg, VA
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Pablo A. Tarazaga
Pablo A. Tarazaga
Virginia Tech, Blacksburg, VA
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Lucas Jones
Virginia Tech, Blacksburg, VA
Josh Spahnie
Virginia Tech, Blacksburg, VA
Kevin Lefeave
Virginia Tech, Blacksburg, VA
Charles Haltom
Virginia Tech, Blacksburg, VA
Adam Underwood
Virginia Tech, Blacksburg, VA
Jacob Aber
Virginia Tech, Blacksburg, VA
V. V. N. Sriram Malladi
Virginia Tech, Blacksburg, VA
Bryan S. Joyce
Virginia Tech, Blacksburg, VA
Pablo A. Tarazaga
Virginia Tech, Blacksburg, VA
Paper No:
SMASIS2014-7516, V002T04A007; 7 pages
Published Online:
December 8, 2014
Citation
Jones, L, Spahnie, J, Lefeave, K, Haltom, C, Underwood, A, Aber, J, Malladi, VVNS, Joyce, BS, & Tarazaga, PA. "Vehicle Propulsion by Solid State Motion." Proceedings of the ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting. Newport, Rhode Island, USA. September 8–10, 2014. V002T04A007. ASME. https://doi.org/10.1115/SMASIS2014-7516
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