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Relevant bibliographies by topics / Electro-mechanical Coupling / Dissertations / Theses

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Dissertations / Theses on the topic 'Electro-mechanical Coupling'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Xue, Linfeng. "Theoretical Characterization of Internal Resonance in Micro-Electro-Mechanical Systems (MEMS)." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1593296130150349.

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2

Kitzler, Tobias [Verfasser], and Jörg [Akademischer Betreuer] Weißmüller. "The electro-chemo-mechanical coupling in lithium alloy electrodes / Tobias Kitzler ; Betreuer: Jörg Weißmüller." Hamburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2017. http://d-nb.info/113070453X/34.

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3

Oates, William Sumner. "Fracture of Ferroelectric Materials." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4769.

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Ferroelectric materials continue to find increasing use in actuator, sensor and transducer design. Questions regarding lifetime and reliability remain a concern due to the inherent low fracture toughness and complex material behavior. The poling procedure required for use in actuator and sensing devices introduces anisotropy in elastic and dielectric coefficients as well as piezoelectric coupling between the mechanical and electrical fields. This introduces complex fracture behavior which necessitates advanced analytical techniques and fracture characterization. In this dissertation, fract

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4

Vallicotti, Daniel [Verfasser], and Marc-André [Akademischer Betreuer] Keip. "Magneto-electro-mechanical coupling phenomena across multiple length scales : variational framework and stability analysis / Daniel Vallicotti ; Betreuer: Marc-André Keip." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2019. http://d-nb.info/1189662361/34.

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5

Ganser, Markus [Verfasser], and M. [Akademischer Betreuer] Kamlah. "On the Electro-Chemo-Mechanical Coupling in Solid State Batteries and its Impact on Morphological Interface Stability / Markus Ganser ; Betreuer: M. Kamlah." Karlsruhe : KIT Scientific Publishing, 2021. http://d-nb.info/1228537348/34.

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6

Barakati, Amir. "Dynamic interactions of electromagnetic and mechanical fields in electrically conductive anisotropic composites." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/3562.

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Recent advances in manufacturing of multifunctional materials have provided opportunities to develop structures that possess superior mechanical properties with other concurrent capabilities such as sensing, self-healing, electromagnetic and heat functionality. The idea is to fabricate components that can integrate multiple capabilities in order to develop lighter and more efficient structures. In this regard, due to their combined structural and electrical functionalities, electrically conductive carbon fiber reinforced polymer (CFRP) matrix composites have been used in a wide variety of appl

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7

Lowe, Robert Lindsey. "Finite-Deformation Modeling of Elastodynamics and Smart Materials with Nonlinear Electro-Magneto-Elastic Coupling." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1433276487.

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8

Larson, John P. "Design of a Magnetostrictive-Hydraulic Actuator Considering Nonlinear System Dynamics and Fluid-Structure Coupling." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1402566309.

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9

Harden, John E. "Electro-Mechanical Couplings in Liquid Crystals." Kent State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=kent1239305653.

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10

Chee, Clinton Yat Kuan. "STATIC SHAPE CONTROL OF LAMINATED COMPOSITE PLATE SMART STRUCTURE USING PIEZOELECTRIC ACTUATORS ©." Thesis, The University of Sydney, 2000. http://hdl.handle.net/2123/709.

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The application of static shape control was investigated in this thesis particularly for a composite plate configuration using piezoelectric actuators. A new electro-mechanically coupled mathematical model was developed for the analysis and is based on a third order displacement field coupled with a layerwise electric potential concept. This formulation, TODL, is then implemented into a finite element program. The mathematical model represents an improvement over existing formulations used to model intelligent structures using piezoelectric materials as actuators and sensors. The reason is TOD

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11

Hoang, Minh Tuan. "Modélisation et simulation multi échelle des effets de taille et des couplages électromécaniques dans les nanostructures." Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1074/document.

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Les nanostructures, et en particulier les nanofils semi-conducteurs, ont suscité ces dernières années un très grand intérêt pour de nombreuses applications comme les systèmes de récupération d'énergie ou les capteurs de très haute précision. Dans de telles structures des expérimentations et des calculs théoriques ab-initio ont mis en évidence des effets de taille, pouvant modifier significativement les propriétés électromécaniques pour des diamètres de fils en dessous de 10 nm. L'objectif de ce travail de thèse est de proposer des modélisations multi échelle des nanostructures électromécanique

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12

Chee, Clinton Yat Kuan. "STATIC SHAPE CONTROL OF LAMINATED COMPOSITE PLATE SMART STRUCTURE USING PIEZOELECTRIC ACTUATORS �." University of Sydney. Aeronautical Engineering, 2000. http://hdl.handle.net/2123/709.

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The application of static shape control was investigated in this thesis particularly for a composite plate configuration using piezoelectric actuators. A new electro-mechanically coupled mathematical model was developed for the analysis and is based on a third order displacement field coupled with a layerwise electric potential concept. This formulation, TODL, is then implemented into a finite element program. The mathematical model represents an improvement over existing formulations used to model intelligent structures using piezoelectric materials as actuators and sensors. The reason is TOD

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13

Ganesan, Lakshmi Meena. "Coupling of the electrical, mechanical and optical response in polymer/liquid-crystal composites." Phd thesis, Universität Potsdam, 2010. http://opus.kobv.de/ubp/volltexte/2010/4157/.

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Micrometer-sized liquid-crystal (LC) droplets embedded in a polymer matrix may enable optical switching in the composite film through the alignment of the LC director along an external electric field. When a ferroelectric material is used as host polymer, the electric field generated by the piezoelectric effect can orient the director of the LC under an applied mechanical stress, making these materials interesting candidates for piezo-optical devices. In this work, polymer-dispersed liquid crystals (PDLCs) are prepared from poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) and a nemati

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14

Wongtimnoi, Komkrisd. "Polyuréthanes électrostrictifs et nanocomposites : caractérisation et analyse des mécanismes de couplages électromécaniques." Phd thesis, INSA de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00708574.

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Depuis quelques années on s'intéresse aux actionneurs base polymères, souvent appelés polymères électroactifs électroniques (EAPS) pour intégrer dans des microsystèmes électromécaniques (MEMS). Trois mécanismes sont à l'origine du couplage électromécanique : (i) la piézoélectricité qui apparait dans certaines phases cristallines, (ii) la force "de Maxwell" lorsqu'un champ électrique aux bornes du condensateur constitué d'un polymère souples placé entre deux électrodes, et (iii) l'électrostriction, phénomène intrinsèque aux matériaux polaires, mal connu. Les deux derniers se traduisent par une

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15

Wu, I.-Jung, and 吳宜融. "Development of Active Electro-Mechanical Coupling Technique." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/60171764353552871734.

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碩士<br>華梵大學<br>機電工程學系<br>102<br>A new electro-mechanical theorem for alternating the behaviors of a mechanical system is proposed. Two voice-coil motors (VCM), one is the sensor and the other is the actuator, are mounted on a beam structure. An electrical circuit connected between the two VCMs is used to alternate stiffness and mass of the beam structure, respectively. Two kinds of circuit, the differentiator and the integrator, are individually studied. Experimental results show that the system fundamental frequency can be increased from 152 Hz to 210 Hz as increasing the gain of the integrato

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16

Li, Li-Ming, and 黎立民. "Development of Fabrication Process Simulator and Electro-Mechanical coupling Solver for MEMS CAD." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/d9z2h2.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>90<br>Computer aided design (CAD) is a key issue in development for all engineering products. In MEMS, it is important to reduce the lead-time and to accelerate the product development by CAD.As a result, the development of MEMS CAD has significant contributions to the MEMS industry. However, the current commercialized MEMS CAD are extremely expansive and the most of their analysis modules can be actually replaced by other cheaper or free FEM or BEM utilities. In spite of accuracy ,their 3-D approach represents a higher computational cost and a less flexible in in

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17

Chuan-Yun, Chang, and 張傳昀. "Application of the Electro-Mechanical Coupling Approach on Designing the Natural Frequencies of Beams." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/15762548359982470658.

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18

Saleh, Mohamed A. "Electro-Mechanical Coupling of Indium Tin Oxide Coated Polyethylene Terephthalate ITO/PET for Flexible Solar Cells." Thesis, 2013. http://hdl.handle.net/10754/292305.

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Indium tin oxide (ITO) is the most widely used transparent electrode in flexible solar cells because of its high transparency and conductivity. But still, cracking of ITO on PET substrates due to tensile loading is not fully understood and it affects the functionality of the solar cell tremendously as ITO loses its conductivity. Here, we investigate the cracking evolution in ITO/PET exposed to two categories of tests. Monotonous tensile testing is done in order to trace the crack propagation in ITO coating as well as determining a loading range to focus on during our study. Five cycles test is

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19

Zhanshayeva, Lyazzat. "Towards macroscopic modeling of electro-thermo-mechanical couplings in PEDOT/PSS: Modeling of moisture absorption kinetics." Thesis, 2018. http://hdl.handle.net/10754/628057.

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Organic conducting polymer, poly(3,4-ethylene dioxythiophene)-poly(styrene sulfonate) (PEDOT:PSS), is widely recognized for its electro-actuation mechanism and is used in flexible electronics. Its high potential as actuator is based on a strong coupling between chemical, mechanical and electrical properties which directly depends on external stimuli. There is no model today to describe the interplay between moisture absorption, mechanical expansion and electrical stimulus. Elucidating the role of each component in the effective actuation properties is needed to further optimize and tailor suc

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