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Keywords: piezoelectricity
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Proceedings Papers

Proc. ASME. IMECE2023, Volume 1: Acoustics, Vibration, and Phononics, V001T01A022, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112726
... Abstract This paper proposes a novel family of intelligent piezoelectric composite structures for the purpose of establishing structural self-awareness via integrating the function of load bearing with the capability of transmitting and receiving high frequency mechanical waves. To develop...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 5: Dynamics, Vibration, and Control, V005T07A090, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94594
... Abstract Piezoelectric vibration isolation and energy harvesting applications has been studied extensively. Nonlinear approaches may provide better performance over a broader frequency range. Nonlinearity can be introduced in the mechanical domain or electrical domain actively or passively...
Proceedings Papers

Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 953-961, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-63509
..., the role of the roll cover becomes very important. Because the cover material is visco-elastic, the delayed recovery response of the polymer during each roll revolution starts to initialize self-excited vibrations. This contact vibration is known as barring. A piezoelectric actuator is an excellent device...
Proceedings Papers

Proc. ASME. IMECE2009, Volume 6: Emerging Technologies: Alternative Energy Systems; Energy Systems: Analysis, Thermodynamics and Sustainability, 57-65, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12876
... square of the peak power output as the cutoff for frequency bandwidth. Since the technique is semi-active, energy is only consumed to tune the resonance frequency and is not required to remain at that specific frequency. The device consists of a piezoelectric cantilever beam array which is displaced...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 6: Energy Systems: Analysis, Thermodynamics and Sustainability, 387-395, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41985
.... Further, the device can be tuned to higher and lower frequency with respect to the untuned resonance frequency by using attractive and repulsive magnetic forces, respectively. As a proof-of-concept, a piezoelectric cantilever-based energy harvesting device with a natural frequency of 26 Hz was fabricated...