...Wenguo Zhu; Marco Morandini In this paper, the nonlinear modeling of beam energy harvester embedded with piezoelectric transducers is presented. Starting from a multibody dynamics perspective, a fully coupled electromechanical nonlinear beam model was derived and a geometrically exact finite volume...

...Eshagh Farzaneh Joubaneh; Oumar Rafiou Barry Electromagnetic resonant shunt tuned mass damper-inerter (ERS-TMDI) has recently been developed for dual-functional vibration suppression and energy harvesting. However, energy harvesting and vibration mitigation are conflicting objectives, thus...

... magnifier discrete spring stiffness is k f = 2 . 5   kPa . Figure 13 shows the electric power FRF of the piezoelectric energy harvester for different resistive loads when p d = 1   Pa . From Fig. 12 , it is found that the optimal resistances for excitations...

..., 2013. Assoc. Editor: Brian P. Mann. 21 01 2013 17 10 2013 The fundamental limits of cantilevered piezoelectric energy harvesters have not been well established. As with any other power generation technology, it is critical to establish the limits of power output and efficiency...

... = amplitude of relative displacement of seismic mass at natural frequency ω n = natural angular frequency References [1] Khaligh , A. , Peng , Z. , and Cong , Z. , 2010 , “ Kinetic Energy Harvesting Using Piezoelectric and Electromagnetic Technologies—State...

... EMF + R q · = 0 and Eq. (1) will become (4) f EMF = k f i = - k f k v R ( x · 1 - x · s ) which means that the energy harvesting will also result in ideal viscous damping with a coefficient as (5...

... 1 and 2 list the main geometrical and physical parameters of the piezoelectric elements considered in this study. Table 1 Main parameters of the numerical energy harvesters (duToit [ 10 ]; Daqaq et al. [ 12 ]) Property m (kg) t p  = l p (m) A (m 2 ) ζ l...

... of useful electric energy harvested and enhances the efficiency as well. The second observation is that the performance of both the TAP and the DMTAP is sensitive to value of the impedance Z L of the electric load. Generally speaking, the values of the normalized electric output and efficiency...

...A. Aladwani; M. Arafa; O. Aldraihem; A. Baz Conventional energy harvester typically consists of a cantilevered composite piezoelectric beam which has a proof mass at its free end while its fixed end is mounted on a vibrating base structure. The resulting relative motion between the proof mass...

... such as bridges and buildings. 04 10 2010 09 05 2011 24 05 2011 28 12 2011 28 12 2011 aeroacoustics aerodynamics beams (structures) dynamic response energy harvesting piezoelectricity structural acoustics vibrations wind power wireless sensor networks Galloping...

...O. Aldraihem; A. Baz The onset of self-excited oscillations is developed theoretically for a traveling wave thermo-acoustic-piezoelectric (TAP) energy harvester. The harvester is intended for converting thermal energy, such as solar or waste heat energy, directly into electrical energy without...

...Jae Eun Kim; Yoon Young Kim Various mathematical beam models have been proposed for the efficient analysis of a piezoelectric energy harvester (PEH) and carrying out parameter study but there appears no beam model suitable for a PEH of a moderate width-to-length aspect ratio with a distributed tip...

...Matthew Bryant; Ephrahim Garcia This paper proposes a novel piezoelectric energy harvesting device driven by aeroelastic flutter vibrations of a simple pin connected flap and beam. The system is subject to a modal convergence flutter response above a critical wind speed and then oscillates...

...P. Bonello; S. Rafique The modeling and analysis of base-excited piezoelectric energy harvesting beams have attracted many researchers with the aim of predicting the electrical output for a given base motion input. Despite this, it is only recently that an accurate model based on the analytical...

...Ravindra Masana; Mohammed F. Daqaq To maximize the electromechanical transduction of vibratory energy harvesters, the resonance frequency of the harvesting device is usually tuned to the excitation frequency. To achieve this goal, some concepts call for utilizing an axial static preload to soften...

... energy recoverable from the dynamic response of the harvester. The analytical derivation of the controller is done generally and is shown to simplify to easily computable closed-form solutions in a number of simple cases. Analytical and simulation results are related to an experimental energy harvesting...

... bender can generate power of about 18.2 μ W into a 100 k Ω resistive load at the resonant frequency. 14 01 2010 17 08 2010 17 12 2010 17 12 2010 cantilevers electrodes energy harvesting micromechanical devices piezoelectric devices A great deal of research works...

...D. Dane Quinn; Angela L. Triplett; Alexander F. Vakakis; Lawrence A. Bergman Energy harvesting devices designed with intentional nonlinearities offer the possibility of increased performance under broadband excitations and realistic environmental conditions. This work considers an energy harvesting...

...F. Khameneifar; M. Moallem; S. Arzanpour This paper presents modeling and analysis of a piezoelectric mounted rotary flexible beam that can be used as an energy scavenger for rotary motion applications. The energy harvester system consists of a piezoelectric bimorph cantilever beam with a tip mass...

... to its primary function of bearing aerodynamic loads, the wing/spar structure of an UAV or a MAV with embedded piezoceramics can provide an extra electrical energy source based on the concept of vibration energy harvesting to power small and wireless electronic components. Aeroelastic vibrations...