Results 41 to 50 of about 1,517 (234)
An Umbrella-Shaped Linear Piezoelectric Actuator Based on Stick-Slip Motion Principle
IEEE Access, 2019 Piezoelectric actuators are widely utilized in many research and industrial fields, since they could achieve high positioning accuracy based on inverse piezoelectric effect.
Jiafeng Yao +6 more
doaj +1 more source
A Miniaturized Piezo Stack Impact Actuation Mechanism for Out-of-Plane Freely Moveable Masses
Micromachines, 2023 We present the prototype and analytical model of a miniaturized impact actuation mechanism, providing a fast out-of-plane displacement to accelerate objects against gravity, allowing for freely moving objects and hence for large displacements without the
Matthias C. Wapler +3 more
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A Novel Hybrid Actuator Driven Magnetically in the Bi-Cell PEM Fuel Cell Stack
Metals, 2017 This study develops an air breathing pump driven by a piezoelectric actuator for a proton exchange membrane fuel cell (PEMFC) stack. Permanent magnets are combined with a piezoelectric actuator to drive three air breathing pumps using magnetic force ...
Hsiaokang Ma, Yuanlung Hsu, Poching Hsu
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A computationally efficient model to capture the inertia of the piezoelectric stack in impact drive mechanism in the case of the in-pipe inspection application [PDF]
Mechanical Sciences, 2016 This paper presents a new model for the piezoelectric actuator (PA) in the context of in the impact drive mechanism (IDM) for the in-pipe inspection application.
J. Li +4 more
doaj +1 more source
State estimation of non-linear piezoelectric stack actuator, hysteresis model
, 2006 The state estimation of a non-linear model of a piezoelectric stack actuator showing hysteresis is proposed. Model uncertainties related to hysteresis effect in piezoelectric stack actuators, most prominently in higher frequency zone; can make the closed-
Jayesh L. Minase +5 more
core +1 more source
Advanced Materials, EarlyView.This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau +9 more
wiley +1 more source
Study on the Mechanical Characteristics of Multilayer Piezoelectric Stack Actuator
, 2011 This paper presents results on mechanical behavior of multilayer piezoelectric stack actuators for use in active member under combined electro-mechanical Loadings.
Yi Yong Yang, Kai Zheng
core +1 more source
Bond Graph Modeling and Simulation of Hybrid Piezo-Flexural-Hydraulic Actuator
Engineering ProceedingsIn this study, a hybrid piezo-flexural-hydraulic actuator is modeled and simulated using bond graph methodology. The hybrid actuator comprises piezoelectric stack actuator, mechanical flexural amplifier, and hydraulic piston actuator.
Rudraksha Kelkar +3 more
doaj +1 more source
A Novel Piezoelectric Ceramic Actuator with Scissoring Composite Vibration for Medical Applications
Applied Sciences, 2019 This paper presents a novel scissoring composite actuator which can successfully degenerate longitudinal vibration into scissoring vibration at actuator tips for potential medical applications.
Jingjing Yang, Qiang Zhang, Taojin Xu
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Advanced Materials, EarlyView.We report a multifunctional tapered optical fiber integrating a conformal micro‐resistance temperature detector (µRTD) for local, real‐time thermometry during optical stimulation. The platform combines light‐delivery and temperature sensing within a minimally invasive footprint, enabling detection of sub‐degree cortical heating under representative ...
Antonio Balena +6 more
wiley +1 more source