... transmission mode is used to carry out measurements and the comparison with the simulation results shows a good agreement. equivalent circuit nonlinearity piezoelectric devices SPICE modeling ultrasound Several phenomena occur throughout the propagation of an ultrasonic wave in a physical...

... for the design of efficient TAP energy harvesters and engines. 08 07 2010 18 02 2011 22 12 2011 22 12 2011 acoustic resonators acoustic waves diaphragms energy harvesting engines oscillations piezoelectric devices solar energy conversion thermoacoustics waste heat...

.... In other cases, the SSDNC is also more effective than the SSDI, although not significantly. 10 12 2009 31 08 2010 12 04 2011 12 04 2011 capacitance circuit resonance circuit switching damping inductance network analysis oscillators piezoelectric devices synchronisation...

... 8 9 10 11 . energy harvesting piezoelectric aspect ratio distributed tip mass beams (structures) cantilevers energy harvesting piezoelectric devices piezoelectricity vibrations This research was supported by the National Creative Research Initiatives Program (Korea...

... of the energy harvester as functions of incident wind speed. 17 02 2010 23 06 2010 26 01 2011 26 01 2011 aerodynamics elasticity energy harvesting piezoelectric devices vibrations Several recent studies have explored the possibility of using piezoelectric materials...

... 2011 circuit feedback circuit tuning inductors passive networks piezoelectric devices resistors vibration control vibrations The resonant shunted piezoelectric was first described as analogous to the tuned proof-mass absorber by Hagood and von Flotow ( 1 ), where the resonant...

... 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...

... harvested and the frequency interval over which significant power can be drawn from the mechanical vibrations. 11 02 2010 01 09 2010 08 12 2010 08 12 2010 electromechanical effects energy harvesting piezoelectric devices vibrations Vibration based energy harvesting...

... energy harvesting finite element analysis piezoceramics piezoelectric devices vibrations An interesting trade-off exists between the increasing military demand for size and weight reduction of unmanned air vehicles (UAVs) and the total flight duration as required by a given mission. A major...

... to the control system a higher thermal stability, very useful in aerospace applications. Finally, no external power supply has to be added to the system. 03 07 2009 17 02 2010 20 08 2010 20 08 2010 damping finite element analysis piezoelectric devices structural acoustics...

... machining piezoelectric devices surface finishing vibration control vibrations Unwanted vibration in precision manufacturing machinery is a major source of poor surface finish, increased tool wear or failure, and poor dimensional accuracy. There are several sources of vibrations in machining...

.... The model is validated through experimental testing and provides a simple yet accurate method to predict the induced damping in a smart structure. 27 05 2009 23 03 2010 15 07 2010 15 07 2010 beams (structures) damping piezoelectric devices vibration control vibrations...

... tip mass on the electrical response at higher vibration modes is discussed theoretically and demonstrated experimentally. beams (structures) cantilevers direct energy conversion piezoelectric devices piezoelectricity energy harvesting strain nodes electrode configuration 25...

... Piezoelectric Networks for Vibration Control: Comparisons and Improvement ,” Smart Mater. Struct. 0964-1726 10.1088/0964-1726/10/4/325 , 10 ( 4 ), pp. 794 – 806 . 14 09 2006 21 05 2007 blades capacitors discs (structures) engines inductors Monte Carlo methods piezoelectric...

... are subsequently used to predict dynamic response, avoid resonances, and even monitor structural change that are indicative of incipient failure 1 . vibration measurement turbines automatic testing piezoelectric devices electric sensing devices 01 Feb 2001 01 July 2001 Contributed...

... can potentially reduce structural vibration 1 2 3 4 5 6 7 8 9 10 11 12 . damping piezoceramics piezoelectric devices vibration control active noise control structural acoustics 01 January 2000 01 May 2001 Contributed by the Technical Committee on Vibration...