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Keywords: piezoelectric
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Proceedings Papers

Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A008, September 14–15, 2021
Paper No: SMASIS2021-68286
...Abstract Abstract In this paper, we design and experimentally validate an auxetic nonlinear piezoelectric energy harvester. This harvester combines a clamp-clamp beam and auxetic structures, which can improve the efficiency and bandwidth of the energy harvesting based on a pure mechanical...
Proceedings Papers

Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A005, September 14–15, 2021
Paper No: SMASIS2021-67928
...Abstract Abstract The piezoelectric vibration energy harvester can collect energy from the ambient vibration. The vibrations from the environment are usually random and also from various directions. The current energy harvester cannot efficiently collect the energy from vibration and also...
Proceedings Papers

Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T05A014, September 14–15, 2021
Paper No: SMASIS2021-68211
..., that exhibits robust vibration control capabilities and requires minimal structural interference. The SATMD consists of a piezoelectric device, connected to an external Resistive-Inductive electrical circuit, and a small auxiliary mass. Simulations and testing of this damper have shown high sensitivity of its...
Proceedings Papers

Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A007, September 14–15, 2021
Paper No: SMASIS2021-68209
...Abstract Abstract Piezoelectric energy harvesting from vibrating structures under nonlinear oscillations has been proved quite promising, with a large amount of scientific works focusing on the maximum energy harvested. However, the detailed dynamic response of an electromechanical coupled...
Proceedings Papers

Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A006, September 15, 2020
Paper No: SMASIS2020-2292
... in a piezoelectric metamaterial by the reconfiguration of lattice symmetries and connection of negative capacitance circuitry. In addition, the capability to modify the interface mode localization is analyzed. The plane wave expansion method is utilized to define a working frequency region for protected topological...
Proceedings Papers

Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T07A006, September 15, 2020
Paper No: SMASIS2020-2446
... is composed of a low-cost piezoelectric cantilever and a pair of magnets, is used to induce a plucking excitation and power generation under a transient and one-way movement. An energy management circuit, which is composed of a self-powered synchronized switch harvesting on inductor (SP-SSHI) interface...
Proceedings Papers

Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A010, September 9–11, 2019
Paper No: SMASIS2019-5627
... in composite material is discussed and the simulations results coming from finite element analyses in frequency and time domains are presented. de-icing composite piezoelectric leading edge impedance actuator ULTRASONIC DE-ICING SYSTEM FOR LEADING EDGE IN COMPOSITE MATERIAL Leandro Maio1...
Proceedings Papers

Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T05A003, September 9–11, 2019
Paper No: SMASIS2019-5556
... excitation voltage has proven not to increase the sensitivity level of the EMI method. Higher voltages do improve the precision of the measurement by increasing the signal to noise ratio. structural health monitoring electromechanical impedance piezoelectric high frequency EVALUATION OF SHM...
Proceedings Papers

Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A004, September 16–18, 2013
Paper No: SMASIS2013-3063
... decreases in the size, mass, and power consumption of modern microelectronics. Despite these performance increases, for extended deployments these systems need to generate power in-situ. In this work, we explore a device that was recently deployed to test the concept of vibrational piezoelectric energy...
Proceedings Papers

Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 723-729, September 19–21, 2012
Paper No: SMASIS2012-8023
... step toward developing a more robust and versatile approach to Acousto-Ultrasonic SHM. SHM Piezoelectric Optical Fibre Fibre Bragg Gratings Acousto-Ultrasonics Lamb waves OPTICAL FIBRE SENSING OF HIGH ORDER LAMB WAVES FOR STRUCTURAL HEALTH MONITORING Cedric Rosalie , Patrick Norman, Joel...
Proceedings Papers

Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 731-737, September 19–21, 2012
Paper No: SMASIS2012-8024
... in a piezoelectric sensor. This approach may be combined with the well-documented capability of piezoelectric material to measure dynamic-strain, and may hence allow piezoelectric transducers to be used as low-power, single-solution strain sensors. DSTO has experimentally confirmed that the electrical impedance...
Proceedings Papers

Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 819-828, September 19–21, 2012
Paper No: SMASIS2012-8071
... Vibrational energy harvesting has been the subject of significant recent research, and has even begun commercial deployment. Despite the research community’s understanding of the fundamental mechanics of piezoelectric systems under base excitation, proper design methods and guidelines...
Proceedings Papers

Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 189-198, September 18–21, 2011
Paper No: SMASIS2011-5030
... are common in the environment due to inherent nonlinearities in the dynamics of the excitation source. Normally, two separate energy harvesters are needed to extract the energy at each frequency; however, this paper discusses a single cantilevered piezoelectric vibratory energy harvester (VEH) that exploits...
Proceedings Papers

Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 675-684, September 18–21, 2011
Paper No: SMASIS2011-5217
... elastomers liquid crystal elastomers piezoelectric shape memory alloy PVDF thermoelectrics ER/MR fluids database material selection tool Visual Basic 1 Copyright © 2011 by ASME ADVANCED DEVELOPMENT OF A SMART MATERIAL DESIGN, MODELING, AND SELECTION TOOL Jung-Kyu Park Department of Mechanical...
Proceedings Papers

Proc. ASME. SMASIS2009, Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures, 443-450, September 21–23, 2009
Paper No: SMASIS2009-1479
... focuses on harvesting wind energy that is being transferred to a galloping beam. The beam has a rigid tip body with a D shaped cross section. Piezoelectric sheets are bonded on the top and bottom surface of beam. During galloping, vibrational motion is input to the system due to aerodynamic forces...