Results 181 to 190 of about 1,517 (234)

Broadband acousto-optic modulators on Silicon Nitride. [PDF]

Nat Commun
Kenning SE, Chang TH, Attanasio AG, Jin W, Feshali A, Tian Y, Paniccia M, Bhave SA.   +7 more
europepmc   +1 more source

Cross-scale high-bandwidth atomic force microscopy with a stick-slip nanopositioner. [PDF]

Nat Commun
Wang X, Yu Q, Meng Y, Wang J, Huang H, Zhu L.   +5 more
europepmc   +1 more source

A bioinspired multimotion modality underwater microrobot. [PDF]

Sci Adv
Liu T, Liu Y, Zeng R, Gan B, Zhang M, Li H, Qu S, Zhou H.   +7 more
europepmc   +1 more source

Modeling and Design of a Soft Capacitive Slip Sensor with Fluid Dielectric Interlayer. [PDF]

Micromachines (Basel)
Landi E, Lisini Baldi T, Pallaoro M, Micheletti F, Carli F, Fort A.   +5 more
europepmc   +1 more source

System Integration Design of High-Performance Piezo-Actuated Fast-Steering Mirror for Laser Beam Steering System. [PDF]

Sensors (Basel)
Kim JG.
europepmc   +1 more source

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A charge controller for linear operation of a piezoelectric stack actuator

IEEE Transactions on Control Systems Technology, 2005
This paper examines the position control problem of piezoelectric stack actuators and presents a method for overcoming the hysteresis nonlinearity between the applied voltage and the actuator displacement. An inverting charge control circuit is implemented to linearize the stack actuator movement by taking advantage of the linear relationship between ...
King A. Yi, Robert J. Veillette
exaly   +2 more sources

Advanced piezoelectric–ferroelectric stack actuator

Sensors and Actuators A: Physical, 2009
Abstract A conceptual design and an operational algorithm for an advanced piezoelectric–ferroelectric stack actuator are developed. The actuator takes advantage of the large strains due to the domain-switching phenomenon and utilizes the nonlinear range of response of the ferroelectric material.
Oded Rabinovitch
exaly   +2 more sources

Multilayer piezoelectric stack actuator characterization

SPIE Proceedings, 2008
Future NASA missions are increasingly seeking to use actuators for precision positioning to accuracies of the order of fractions of a nanometer. For this purpose, multilayer piezoelectric stacks are being considered as actuators for driving these precision mechanisms.
Stewart Sherrit, Christopher M. Jones, Jack B. Aldrich, Chad Blodget, Xioaqi Bao, Mircea Badescu, Yoseph Bar-Cohen   +6 more
openaire   +2 more sources

High Performance ‘‘V-stack’’ Piezoelectric Actuator

Journal of Intelligent Material Systems and Structures, 2004
A comparative analysis of the state-of-the-art actuators is conducted. A new piezoelectric actuator design is presented. It is compact, simple, sturdy, and leverages stroke geometrically with minimum force penalties. The ‘‘V-stack Piezoelectric Actuator’’ consists of a base, a lever, two piezoelectric stacks, and a pretensioning element.
Daniel G Cole, Robert L Clark
exaly   +2 more sources

Piezomechanics characteristics study of piezoelectric stack actuator

Materials Research Innovations, 2014
This paper presents the design, implementation and experiments of piezoelectric stack actuator under simulating operating conditions. The piezomechanical characteristics are investigated including hysteresis of displacement, creep, stiffness and force generated.
K. Zheng, X. H. Dong, X. Tian
exaly   +2 more sources