... 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...

... substrate coated with a thin layer of piezoceramic material and fixed with a tip mass tuned to resonant at the dominant frequency of the ambient vibration. The fundamental natural frequency of a beam increases as its length decreases, so that at the MEMS scale the resonance condition occurs orders...

...Y. Aoki; P. Gardonio; M. Gavagni; C. Galassi; S. J. Elliott This paper presents a parametric study on the stability and control performance of proportional velocity feedback control with square piezoceramic patch actuators of various widths and thicknesses, used to suppress the vibration of a thin...

...Onur Bilgen; Alper Erturk; Daniel J. Inman A type of piezoceramic composite actuator known as Macro-Fiber Composite (MFC) is used commonly for actuation in smart-material structures. In this paper, a linear distributed parameter electromechanical model is proposed to predict the structural response...

...A. Erturk; D. J. Inman Cantilevered beams with piezoceramic layers have been frequently used as piezoelectric vibration energy harvesters in the past five years. The literature includes several single degree-of-freedom models, a few approximate distributed parameter models and even some incorrect...

...Marcus Neubauer; Robert Oleskiewicz Due to increased interest in comfort features, considerable effort is spent by brake manufacturers in order to suppress brake squeal. This process can be shortened by eliminating the remaining squealing with shunted piezoceramics that are embedded into the brake...

... in the measurement upon various levels of damage. Testing was performed with both solid piezoceramic transducers and macrofiber composite piezoelectric devices of different sizes bonded to aluminum and fiber reinforced composite structures. The results indicate that characteristics of the structure, not the sensor...

... conventional monolithic piezoceramic wafer transducers are mechanical flexibility, curved surface conformability, power efficiency, their ability to excite focused GW fields, and their unidirectional sensing capability as a GW sensor. In this paper, models are developed to describe excitation of GW fields...

... by electrical boundary conditions ( 7 ). This is contrary to many other electro-mechanically coupled materials such a piezoceramics. Because of this low coupling the mechanical stiffness is only a function of transducer geometry, mass, and elastic modulus. The dielectric permittivity is the capacitance...

... design process is twofold: design of the attitude controller using VSOFC theory acting on the hub and design of an independent flexible vibration controller acting on the flexible part using piezoceramics as sensors and actuators to actively suppress certain flexible modes. The attitude controller, using...

... nonlinear electrostatic response, and a novel eight-node coupled nonlinear plate finite element forms the basis of numerical analyses. The natural frequencies in a beam with a piezoceramic actuator and sensor subject to in-plane mechanical loading, high enough to induce buckling and postbuckling are also...

... . Manuscript received May 2002; Revised March 2003. Associate Editor: M. I. Friswell. 01 May 2002 01 March 2003 30 07 2004 laser velocimetry structural acoustics piezoceramics piezoelectric actuators piezoelectric transducers In summary, the review of the technical...

...Gregg D. Larson; Kenneth A. Cunefare Significant interest has been generated by the possibilities of active vibration control through the implementation of state switching, with a specific implementation embodied through piezoceramic shunting. A state-switched absorber (SSA) is a vibration absorber...

...Lawrence R. Corr; William W. Clark In this paper, a novel semi-active energy rate multi-modal vibration control technique is developed for a piezoceramic actuator coupled to a switching resistor/inductor shunt. The technique works by briefly connecting a resistor/inductor shunt to a piezoceramic...

..., the application of smart damping materials, specifically piezoceramics with electrical shunts, in reducing the vibrations of a test plate is discussed. It is shown that the smart damping materials are able to effectively reduce the vibration peaks at multiple frequencies, with minimal amount of added weight...

... for the element; F u is the external mechanical excitation vector; F ϕ is the electric charge vector; and F θ is the heat excitation vector. Equations ( 13 ) and ( 14 ) must be used for all elements, while Eqs. ( 11 ) and ( 12 ) are used only for the piezoceramic elements...