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Keywords: piezoelectric actuators
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Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021007.
Published Online: January 18, 2012
... of a lightweight absorbent material of high porosity. Moreover, they are active, so piezoelectric actuators in the form of thin patches are fixed to their faceplates. Therefore, the passive absorbent properties of porous core, effective at high and medium frequencies, can be combined with the active vibroacoustic...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. April 2012, 134(2): 024503.
Published Online: January 18, 2012
.... actuators photovoltaic effects piezoelectric actuators piezoelectric materials shells (structures) vibration control 25 08 2010 12 07 2011 18 01 2012 18 01 2012 Table 2 Material properties of PLZT Variable Value Notes E s 2.43 × 10 5 V/m Saturated...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021002.
Published Online: January 13, 2012
...T. M. Seigler; A. H. Ghasemi The problem considered is that of solving for the control input that generates partly specified motion of a deformable structure with distributed piezoelectric actuation. The motion constraint, called the program constraint, is specified as a desired relation...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2011, 133(5): 051009.
Published Online: September 20, 2011
... actuators. 18 06 2010 01 02 2011 31 08 2011 20 09 2011 acoustic field acoustic noise acoustic waves aeroacoustics aerospace components aircraft boundary-elements methods noise abatement piezoelectric actuators propellers Interior cabin noise is a challenging...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2010, 132(6): 061007.
Published Online: October 8, 2010
... that the control performance is significantly improved by increasing the width and reducing the thickness of the square actuator. 24 03 2009 15 01 2010 08 10 2010 08 10 2010 frequency response open loop systems piezoceramics piezoelectric actuators proportional control vibration...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2010, 132(5): 051005.
Published Online: August 19, 2010
... 19 08 2010 beams (structures) cantilevers composite materials intelligent materials piezoceramics piezoelectric actuators structural acoustics vibrations piezocomposite actuators unimorph clamped-free actuation model MFC The past few decades have seen the development...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2009, 131(1): 011001.
Published Online: December 29, 2008
.... In the proposed method, an array of one or more precharged capacitors is employed to provide a selection of various voltages, which may be selected to approximate a desired control signal defined by an LQR multimodal vibration controller. The capacitors can apply a control voltage to the piezoelectric actuators...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2008, 130(6): 061003.
Published Online: October 14, 2008
... microscopy. Along this line, this paper undertakes the problem of coupled flexural-torsional nonlinear vibrations of a piezoelectrically actuated microcantilever beam as a typical configuration utilized in these applications. The actuation and sensing are both facilitated through bonding a piezoelectric...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2007, 129(5): 631–640.
Published Online: September 19, 2006
.... Furthermore, the importance of including local mass and stiffness effects is demonstrated. 08 06 2006 19 09 2006 damping finite element analysis mirrors piezoelectric actuators vibrations Membrane mirrors are thin, flexible, and lightweight optical surfaces used as satellite...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2006, 128(4): 469–476.
Published Online: January 24, 2006
... with an experimental example to demonstrate the feasibility of the proposed procedure. Seeley , C. E. , and Chattopadhyay , A. , 1998 , “ Experimental Investigation of Composite Beams With Piezoelectric Actuation and Debonding ,” Smart Mater. Struct. 0964-1726 , 7 , pp. 502 – 511 . Wang...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. April 2006, 128(2): 256–260.
Published Online: November 3, 2005
... controllability observability optimisation piezoelectric actuators sensors flexible linkage mechanism vibration control sensor actuator placement optimization In the design of actively controlled flexible mechanism systems, the placement of the actuators and sensors is a very important issue...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. February 2006, 128(1): 41–49.
Published Online: March 16, 2005
...Dimitris Varelis; Dimitris A. Saravanos A coupled theoretical and computational framework is presented for analyzing the small amplitude-free vibrational response of composite laminated plates with piezoelectric actuators and sensors, subject to nonlinear effects due to large rotations and initial...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2005, 127(5): 475–482.
Published Online: December 6, 2004
...Eric M. Mockensturm; Raghavan Balaji One-way clutches and clutch bearings are being used in a wide variety of dynamic systems. Motivated by their recent use as ratchets in piezoelectric actuators and decoupling devices in serpentine belt drives, a method of analysis of systems containing one-way...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. July 2004, 126(3): 430–437.
Published Online: July 30, 2004
...; 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 Composite materials offer enormous potential and benefits to the aerospace...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. July 2004, 126(3): 370–379.
Published Online: July 30, 2004
... . Manuscript received March 2003; Revised December 2003. Associate Editor: J. A. Main. 01 March 2003 01 December 2003 30 07 2004 structural acoustics vibrations vibration control composite materials piezoelectric actuators feedback damping electrorheology Vibrations...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2004, 126(2): 284–297.
Published Online: May 4, 2004
... resulting from various meridional and circumferential actions of actuator patches at various shell locations are evaluated. The distributed control forces and moments induced by the piezoelectric actuator with a transversely applied control signal ϕ a (i.e., ϕ a ≡ ϕ 3...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2004, 126(2): 260–271.
Published Online: May 4, 2004
... and unmodeled dynamics. piezoelectric actuators beams (structures) flexible structures vibrations piezoelectric transducers Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received September 2002; Revised...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. January 2004, 126(1): 37–46.
Published Online: February 26, 2004
...James D. Ervin, Graduate Student; Diann E. Brei, Assistant Professor, Assoc. Mem. ASME A new family of piezoelectric actuators, called Recurves, exhibits high work per volume and have the extra benefit of performance and packaging tailorability. The focus of this paper is the dynamic performance...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. July 2003, 125(3): 328–334.
Published Online: June 18, 2003
... direction. The active journal gas bearings used are of the tilting-pad type with one traditional passive pad and two active pads with embedded piezoelectric actuators. Feedback control systems are constructed with gap sensors for measuring the vibration of the rotor, embedded piezoelectric actuators...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2003, 125(2): 214–222.
Published Online: April 1, 2003
... damping piezoceramics piezoelectric actuators Tuned piezoceramic resonant shunts have been adding damping to lightweight flexible structures for over two decades 1 2 3 . Recently, researchers have been investigating the use of piezoceramic switching shunts to add damping to structures...